+2008-03-20 Kai Tietz <kai.tietz@onevision.com>
+
+ * c-format.c (replace_format_name_to_system_name): New.
+ (cmp_attribs): New.
+ (convert_format_name_to_system_name): New.
+ (decode_format_attr): Add use of convert_format_name_to_system_name.
+ (format_types_orig): Add gnu_ prefix to names.
+ (check_format_info_main): Special treating of \0 escaped names for
+ supporting multi-character format specifiers as I32, I64.
+ (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
+ (gnu_target_overrides_format_attributes): New.
+ * c-format.h: Add structure target_ovr_attr to hold
+ system specific formatter names.
+ * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
+ msformat-c.o file to c_target_objs and cxx_target_objs.
+ * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
+ (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
+ (TARGET_N_FORMAT_TYPES): New.
+ * config/i386/msformat-c.c: New.
+ * config/i386/t-cygming: Add build rule for msformat-c.o.
+ * doc/extend.texi: Add new format names gnu_* and ms_* and
+ further details.
+ * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
+
2008-03-20 Ira Rosen <irar@il.ibm.com>
* doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
gcc_diag_format_type, gcc_tdiag_format_type,
gcc_cdiag_format_type,
gcc_cxxdiag_format_type, gcc_gfc_format_type,
- scanf_format_type, strftime_format_type,
- strfmon_format_type, format_type_error = -1};
+ format_type_error = -1};
typedef struct function_format_info
{
int flags, bool *no_add_attrs);
static bool get_constant (tree expr, unsigned HOST_WIDE_INT *value,
int validated_p);
-
+static const char *convert_format_name_to_system_name (const char *attr_name);
+static bool cmp_attribs (const char *tattr_name, const char *attr_name);
/* Handle a "format_arg" attribute; arguments as in
struct attribute_spec.handler. */
{
const char *p = IDENTIFIER_POINTER (format_type_id);
+ p = convert_format_name_to_system_name (p);
+
info->format_type = decode_format_type (p);
if (info->format_type == format_type_error)
/* This must be in the same order as enum format_type. */
static const format_kind_info format_types_orig[] =
{
- { "printf", printf_length_specs, print_char_table, " +#0-'I", NULL,
+ { "gnu_printf", printf_length_specs, print_char_table, " +#0-'I", NULL,
printf_flag_specs, printf_flag_pairs,
FMT_FLAG_ARG_CONVERT|FMT_FLAG_DOLLAR_MULTIPLE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_EMPTY_PREC_OK,
'w', 0, 'p', 0, 'L', 0,
0, 0, 0, 0, 0, 0,
NULL, NULL
},
- { "scanf", scanf_length_specs, scan_char_table, "*'I", NULL,
+ { "gnu_scanf", scanf_length_specs, scan_char_table, "*'I", NULL,
scanf_flag_specs, scanf_flag_pairs,
FMT_FLAG_ARG_CONVERT|FMT_FLAG_SCANF_A_KLUDGE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_ZERO_WIDTH_BAD|FMT_FLAG_DOLLAR_GAP_POINTER_OK,
'w', 0, 0, '*', 'L', 'm',
NULL, NULL
},
- { "strftime", NULL, time_char_table, "_-0^#", "EO",
+ { "gnu_strftime", NULL, time_char_table, "_-0^#", "EO",
strftime_flag_specs, strftime_flag_pairs,
FMT_FLAG_FANCY_PERCENT_OK, 'w', 0, 0, 0, 0, 0,
NULL, NULL
},
- { "strfmon", strfmon_length_specs, monetary_char_table, "=^+(!-", NULL,
+ { "gnu_strfmon", strfmon_length_specs, monetary_char_table, "=^+(!-", NULL,
strfmon_flag_specs, strfmon_flag_pairs,
FMT_FLAG_ARG_CONVERT, 'w', '#', 'p', 0, 'L', 0,
NULL, NULL
{
int i;
int slen;
+
+ s = convert_format_name_to_system_name (s);
slen = strlen (s);
for (i = 0; i < n_format_types; i++)
{
if (fli)
{
while (fli->name != 0 && fli->name[0] != *format_chars)
- fli++;
+ {
+ if (fli->name[0] == '\0')
+ {
+ int si = strlen (fli->name + 1) + 1;
+ int i = 1;
+ while (fli->name[i] != 0 && fli->name[i] == format_chars [i - 1])
+ ++i;
+ if (si == i)
+ {
+ if (si > 2)
+ format_chars += si - 2;
+ break;
+ }
+ }
+ fli++;
+ }
if (fli->name != 0)
{
format_chars++;
extern const format_kind_info TARGET_FORMAT_TYPES[];
#endif
+#ifdef TARGET_OVERRIDES_FORMAT_ATTRIBUTES
+extern const target_ovr_attr TARGET_OVERRIDES_FORMAT_ATTRIBUTES[];
+#endif
+
+/* Attributes such as "printf" are equivalent to those such as
+ "gnu_printf" unless this is overridden by a target. */
+static const target_ovr_attr gnu_target_overrides_format_attributes[] =
+{
+ { "gnu_printf", "printf" },
+ { "gnu_scanf", "scanf" },
+ { "gnu_strftime", "strftime" },
+ { "gnu_strfmon", "strfmon" },
+ { NULL, NULL }
+};
+
+/* Translate to unified attribute name. This is used in decode_format_type and
+ decode_format_attr. In attr_name the user specified argument is passed. It
+ returns the unified format name from TARGET_OVERRIDES_FORMAT_ATTRIBUTES
+ or the attr_name passed to this function, if there is no matching entry. */
+static const char *
+convert_format_name_to_system_name (const char *attr_name)
+{
+ int i;
+
+ if (attr_name == NULL || *attr_name == 0
+ || strncmp (attr_name, "gcc_", 4) == 0)
+ return attr_name;
+
+#ifdef TARGET_OVERRIDES_FORMAT_ATTRIBUTES
+ /* Check if format attribute is overridden by target. */
+ if (TARGET_OVERRIDES_FORMAT_ATTRIBUTES != NULL
+ && TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT > 0)
+ {
+ for (i = 0; i < TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT; ++i)
+ {
+ if (cmp_attribs (TARGET_OVERRIDES_FORMAT_ATTRIBUTES[i].named_attr_src,
+ attr_name))
+ return attr_name;
+ if (cmp_attribs (TARGET_OVERRIDES_FORMAT_ATTRIBUTES[i].named_attr_dst,
+ attr_name))
+ return TARGET_OVERRIDES_FORMAT_ATTRIBUTES[i].named_attr_src;
+ }
+ }
+#endif
+ /* Otherwise default to gnu format. */
+ for (i = 0;
+ gnu_target_overrides_format_attributes[i].named_attr_src != NULL;
+ ++i)
+ {
+ if (cmp_attribs (gnu_target_overrides_format_attributes[i].named_attr_src,
+ attr_name))
+ return attr_name;
+ if (cmp_attribs (gnu_target_overrides_format_attributes[i].named_attr_dst,
+ attr_name))
+ return gnu_target_overrides_format_attributes[i].named_attr_src;
+ }
+
+ return attr_name;
+}
+
+/* Return true if TATTR_NAME and ATTR_NAME are the same format attribute,
+ counting "name" and "__name__" as the same, false otherwise. */
+static bool
+cmp_attribs (const char *tattr_name, const char *attr_name)
+{
+ int alen = strlen (attr_name);
+ int slen = (tattr_name ? strlen (tattr_name) : 0);
+ if (alen > 4 && attr_name[0] == '_' && attr_name[1] == '_'
+ && attr_name[alen - 1] == '_' && attr_name[alen - 2] == '_')
+ {
+ attr_name += 2;
+ alen -= 4;
+ }
+ if (alen != slen || strncmp (tattr_name, attr_name, alen) != 0)
+ return false;
+ return true;
+}
+
/* Handle a "format" attribute; arguments as in
struct attribute_spec.handler. */
tree
}
}
- if (info.format_type == strftime_format_type && info.first_arg_num != 0)
+ /* Check if this is a strftime variant. Just for this variant
+ FMT_FLAG_ARG_CONVERT is not set. */
+ if ((format_types[info.format_type].flags & (int) FMT_FLAG_ARG_CONVERT) == 0
+ && info.first_arg_num != 0)
{
error ("strftime formats cannot format arguments");
*no_add_attrs = true;
of whether length modifiers can occur (length_char_specs). */
};
-
/* Structure describing a length modifier supported in format checking, and
possibly a doubled version such as "hh". */
typedef struct
{
- /* Name of the single-character length modifier. */
+ /* Name of the single-character length modifier. If prefixed by
+ a zero character, it describes a multi character length
+ modifier, like I64, I32, etc. */
const char *name;
/* Index into a format_char_info.types array. */
enum format_lengths index;
#define T_D128 &dfloat128_type_node
#define TEX_D128 { STD_EXT, "_Decimal128", T_D128 }
+/* Structure describing how format attributes such as "printf" are
+ interpreted as "gnu_printf" or "ms_printf" on a particular system.
+ TARGET_OVERRIDES_FORMAT_ATTRIBUTES is used to specify target-specific
+ defaults. */
+typedef struct
+{
+ /* The name of the to be copied format attribute. */
+ const char *named_attr_src;
+ /* The name of the to be overridden format attribute. */
+ const char *named_attr_dst;
+} target_ovr_attr;
+
#endif /* GCC_C_FORMAT_H */
target_gtfiles="\$(srcdir)/config/i386/winnt.c"
extra_options="${extra_options} i386/cygming.opt"
extra_objs="winnt.o winnt-stubs.o"
- c_target_objs=cygwin2.o
- cxx_target_objs="cygwin2.o winnt-cxx.o"
+ c_target_objs="cygwin2.o msformat-c.o"
+ cxx_target_objs="cygwin2.o winnt-cxx.o msformat-c.o"
extra_gcc_objs=cygwin1.o
if test x$enable_threads = xyes; then
thread_file='posix'
target_gtfiles="\$(srcdir)/config/i386/winnt.c"
extra_options="${extra_options} i386/cygming.opt"
extra_objs="winnt.o winnt-stubs.o"
- cxx_target_objs=winnt-cxx.o
+ c_target_objs="msformat-c.o"
+ cxx_target_objs="winnt-cxx.o msformat-c.o"
default_use_cxa_atexit=yes
case ${enable_threads} in
"" | yes | win32)
to register C++ static destructors. */
#define TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT hook_bool_void_true
+/* Contains a pointer to type target_ovr_attr defining the target specific
+ overrides of format attributes. See c-format.h for structure
+ definition. */
+#undef TARGET_OVERRIDES_FORMAT_ATTRIBUTES
+#define TARGET_OVERRIDES_FORMAT_ATTRIBUTES mingw_format_attribute_overrides
+
+/* Specify the count of elements in TARGET_OVERRIDES_ATTRIBUTE. */
+#undef TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT
+#define TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT 3
+
+/* MS specific format attributes for ms_printf, ms_scanf, ms_strftime. */
+#undef TARGET_FORMAT_TYPES
+#define TARGET_FORMAT_TYPES mingw_format_attributes
+
+#undef TARGET_N_FORMAT_TYPES
+#define TARGET_N_FORMAT_TYPES 3
+
/* JCR_SECTION works on mingw32. */
#undef TARGET_USE_JCR_SECTION
#define TARGET_USE_JCR_SECTION 1
--- /dev/null
+/* Check calls to formatted I/O functions (-Wformat).
+ Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+ 2001, 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "tree.h"
+#include "flags.h"
+#include "c-common.h"
+#include "toplev.h"
+#include "intl.h"
+#include "diagnostic.h"
+#include "langhooks.h"
+#include "c-format.h"
+#include "alloc-pool.h"
+
+/* Mingw specific format attributes ms_printf, ms_scanf, and ms_strftime. */
+
+static const format_length_info ms_printf_length_specs[] =
+{
+ { "h", FMT_LEN_h, STD_C89, NULL, 0, 0 },
+ { "l", FMT_LEN_l, STD_C89, NULL, 0, 0 },
+ { "\0I32", FMT_LEN_l, STD_EXT, NULL, 0, 0 },
+ { "\0I64", FMT_LEN_ll, STD_EXT, NULL, 0, 0 },
+ { "I", FMT_LEN_L, STD_EXT, NULL, 0, 0 },
+ { NULL, 0, 0, NULL, 0, 0 }
+};
+
+static const format_flag_spec ms_printf_flag_specs[] =
+{
+ { ' ', 0, 0, N_("' ' flag"), N_("the ' ' printf flag"), STD_C89 },
+ { '+', 0, 0, N_("'+' flag"), N_("the '+' printf flag"), STD_C89 },
+ { '#', 0, 0, N_("'#' flag"), N_("the '#' printf flag"), STD_C89 },
+ { '0', 0, 0, N_("'0' flag"), N_("the '0' printf flag"), STD_C89 },
+ { '-', 0, 0, N_("'-' flag"), N_("the '-' printf flag"), STD_C89 },
+ { '\'', 0, 0, N_("''' flag"), N_("the ''' printf flag"), STD_EXT },
+ { 'w', 0, 0, N_("field width"), N_("field width in printf format"), STD_C89 },
+ { 'p', 0, 0, N_("precision"), N_("precision in printf format"), STD_C89 },
+ { 'L', 0, 0, N_("length modifier"), N_("length modifier in printf format"), STD_C89 },
+ { 0, 0, 0, NULL, NULL, 0 }
+};
+
+static const format_flag_pair ms_printf_flag_pairs[] =
+{
+ { ' ', '+', 1, 0 },
+ { '0', '-', 1, 0 }, { '0', 'p', 1, 'i' },
+ { 0, 0, 0, 0 }
+};
+
+static const format_flag_spec ms_scanf_flag_specs[] =
+{
+ { '*', 0, 0, N_("assignment suppression"), N_("the assignment suppression scanf feature"), STD_C89 },
+ { 'a', 0, 0, N_("'a' flag"), N_("the 'a' scanf flag"), STD_EXT },
+ { 'w', 0, 0, N_("field width"), N_("field width in scanf format"), STD_C89 },
+ { 'L', 0, 0, N_("length modifier"), N_("length modifier in scanf format"), STD_C89 },
+ { '\'', 0, 0, N_("''' flag"), N_("the ''' scanf flag"), STD_EXT },
+ { 0, 0, 0, NULL, NULL, 0 }
+};
+
+static const format_flag_pair ms_scanf_flag_pairs[] =
+{
+ { '*', 'L', 0, 0 },
+ { 0, 0, 0, 0 }
+};
+
+static const format_flag_spec ms_strftime_flag_specs[] =
+{
+ { '#', 0, 0, N_("'#' flag"), N_("the '#' strftime flag"), STD_EXT },
+ { 0, 0, 0, NULL, NULL, 0 }
+};
+
+static const format_flag_pair ms_strftime_flag_pairs[] =
+{
+ { 0, 0, 0, 0 }
+};
+
+static const format_char_info ms_print_char_table[] =
+{
+ /* C89 conversion specifiers. */
+ { "di", 0, STD_C89, { T89_I, BADLEN, T89_S, T89_L, T9L_LL, T99_SST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp0 +'", "i", NULL },
+ { "oxX", 0, STD_C89, { T89_UI, BADLEN, T89_US, T89_UL, T9L_ULL, T99_ST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp0#", "i", NULL },
+ { "u", 0, STD_C89, { T89_UI, BADLEN, T89_US, T89_UL, T9L_ULL, T99_ST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp0'", "i", NULL },
+ { "fgG", 0, STD_C89, { T89_D, BADLEN, BADLEN, T99_D, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp0 +#'", "", NULL },
+ { "eE", 0, STD_C89, { T89_D, BADLEN, BADLEN, T99_D, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp0 +#", "", NULL },
+ { "c", 0, STD_C89, { T89_I, BADLEN, T89_S, T94_WI, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-w", "", NULL },
+ { "s", 1, STD_C89, { T89_C, BADLEN, T89_S, T94_W, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp", "cR", NULL },
+ { "p", 1, STD_C89, { T89_V, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-w", "c", NULL },
+ { "n", 1, STD_C89, { T89_I, BADLEN, T89_S, T89_L, T9L_LL, BADLEN, BADLEN, BADLEN, T99_IM, BADLEN, BADLEN, BADLEN }, "", "W", NULL },
+ /* X/Open conversion specifiers. */
+ { "C", 0, STD_EXT, { TEX_WI, BADLEN, T89_S, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-w", "", NULL },
+ { "S", 1, STD_EXT, { TEX_W, BADLEN, T89_S, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp", "R", NULL },
+ { NULL, 0, 0, NOLENGTHS, NULL, NULL, NULL }
+};
+
+static const format_char_info ms_scan_char_table[] =
+{
+ /* C89 conversion specifiers. */
+ { "di", 1, STD_C89, { T89_I, BADLEN, T89_S, T89_L, T9L_LL, T99_SST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w'", "W", NULL },
+ { "u", 1, STD_C89, { T89_UI, BADLEN, T89_US, T89_UL, T9L_ULL, T99_ST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w'", "W", NULL },
+ { "oxX", 1, STD_C89, { T89_UI, BADLEN, T89_US, T89_UL, T9L_ULL, T99_ST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w", "W", NULL },
+ { "efgEG", 1, STD_C89, { T89_F, BADLEN, BADLEN, T89_D, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w'", "W", NULL },
+ { "c", 1, STD_C89, { T89_C, BADLEN, T89_S, T94_W, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w", "cW", NULL },
+ { "s", 1, STD_C89, { T89_C, BADLEN, T89_S, T94_W, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*aw", "cW", NULL },
+ { "[", 1, STD_C89, { T89_C, BADLEN, BADLEN, T94_W, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*aw", "cW[", NULL },
+ { "p", 2, STD_C89, { T89_V, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w", "W", NULL },
+ { "n", 1, STD_C89, { T89_I, BADLEN, T89_S, T89_L, T9L_LL, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "", "W", NULL },
+ /* X/Open conversion specifiers. */
+ { "C", 1, STD_EXT, { TEX_W, BADLEN, T89_S, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w", "W", NULL },
+ { "S", 1, STD_EXT, { TEX_W, BADLEN, T89_S, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*aw", "W", NULL },
+ { NULL, 0, 0, NOLENGTHS, NULL, NULL, NULL }
+};
+
+static const format_char_info ms_time_char_table[] =
+{
+ /* C89 conversion specifiers. */
+ { "ABZab", 0, STD_C89, NOLENGTHS, "#", "", NULL },
+ { "cx", 0, STD_C89, NOLENGTHS, "#", "3", NULL },
+ { "HIMSUWdmw", 0, STD_C89, NOLENGTHS, "#", "", NULL },
+ { "j", 0, STD_C89, NOLENGTHS, "#", "", NULL },
+ { "p", 0, STD_C89, NOLENGTHS, "#", "", NULL },
+ { "X", 0, STD_C89, NOLENGTHS, "#", "", NULL },
+ { "y", 0, STD_C89, NOLENGTHS, "#", "4", NULL },
+ { "Y", 0, STD_C89, NOLENGTHS, "#", "", NULL },
+ { "%", 0, STD_C89, NOLENGTHS, "", "", NULL },
+ /* C99 conversion specifiers. */
+ { "z", 0, STD_C99, NOLENGTHS, "#", "", NULL },
+ { NULL, 0, 0, NOLENGTHS, NULL, NULL, NULL }
+};
+
+const format_kind_info mingw_format_attributes[3] =
+{
+ { "ms_printf", ms_printf_length_specs, ms_print_char_table, " +#0-'", NULL,
+ ms_printf_flag_specs, ms_printf_flag_pairs,
+ FMT_FLAG_ARG_CONVERT|FMT_FLAG_DOLLAR_MULTIPLE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_EMPTY_PREC_OK,
+ 'w', 0, 'p', 0, 'L', 0,
+ &integer_type_node, &integer_type_node
+ },
+ { "ms_scanf", ms_printf_length_specs, ms_scan_char_table, "*'", NULL,
+ ms_scanf_flag_specs, ms_scanf_flag_pairs,
+ FMT_FLAG_ARG_CONVERT|FMT_FLAG_SCANF_A_KLUDGE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_ZERO_WIDTH_BAD|FMT_FLAG_DOLLAR_GAP_POINTER_OK,
+ 'w', 0, 0, '*', 'L', 0,
+ NULL, NULL
+ },
+ { "ms_strftime", NULL, ms_time_char_table, "", "#",
+ ms_strftime_flag_specs, ms_strftime_flag_pairs,
+ FMT_FLAG_FANCY_PERCENT_OK, 0, 0, 0, 0, 0, 0,
+ NULL, NULL
+ }
+};
+
+/* Default overrides for printf, scanf and strftime. */
+const target_ovr_attr mingw_format_attribute_overrides[4] =
+{
+ { "ms_printf", "printf" },
+ { "ms_scanf", "scanf" },
+ { "ms_strftime", "strftime" }
+};
$(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
$(srcdir)/config/i386/winnt-stubs.c
+msformat-c.o: $(srcdir)/config/i386/msformat-c.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
+ $(TM_H) $(RTL_H) $(REGS_H) hard-reg-set.h output.h $(TREE_H) flags.h \
+ $(TM_P_H) toplev.h $(HASHTAB_H) $(GGC_H)
+ $(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
+ $(srcdir)/config/i386/msformat-c.c
+
STMP_FIXINC=stmp-fixinc
@code{my_format}.
The parameter @var{archetype} determines how the format string is
-interpreted, and should be @code{printf}, @code{scanf}, @code{strftime}
-or @code{strfmon}. (You can also use @code{__printf__},
-@code{__scanf__}, @code{__strftime__} or @code{__strfmon__}.) The
-parameter @var{string-index} specifies which argument is the format
-string argument (starting from 1), while @var{first-to-check} is the
-number of the first argument to check against the format string. For
-functions where the arguments are not available to be checked (such as
+interpreted, and should be @code{printf}, @code{scanf}, @code{strftime},
+@code{gnu_printf}, @code{gnu_scanf}, @code{gnu_strftime} or
+@code{strfmon}. (You can also use @code{__printf__},
+@code{__scanf__}, @code{__strftime__} or @code{__strfmon__}.) On
+MinGW targets, @code{ms_printf}, @code{ms_scanf}, and
+@code{ms_strftime} are also present.
+@var{archtype} values such as @code{printf} refer to the formats accepted
+by the system's C run-time library, while @code{gnu_} values always refer
+to the formats accepted by the GNU C Library. On Microsoft Windows
+targets, @code{ms_} values refer to the formats accepted by the
+@file{msvcrt.dll} library.
+The parameter @var{string-index}
+specifies which argument is the format string argument (starting
+from 1), while @var{first-to-check} is the number of the first
+argument to check against the format string. For functions
+where the arguments are not available to be checked (such as
@code{vprintf}), specify the third parameter as zero. In this case the
compiler only checks the format string for consistency. For
@code{strftime} formats, the third parameter is required to be zero.
@code{TARGET_FORMAT_TYPES}.
@end defmac
+@defmac TARGET_OVERRIDES_FORMAT_ATTRIBUTES
+If defined, this macro is the name of a global variable containing
+target-specific format overrides for the @option{-Wformat} option. The
+default is to have no target-specific format overrides. If defined,
+@code{TARGET_FORMAT_TYPES} must be defined, too.
+@end defmac
+
+@defmac TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT
+If defined, this macro specifies the number of entries in
+@code{TARGET_OVERRIDES_FORMAT_ATTRIBUTES}.
+@end defmac
+
@deftypefn {Target Hook} bool TARGET_RELAXED_ORDERING
If set to @code{true}, means that the target's memory model does not
guarantee that loads which do not depend on one another will access
+2008-03-20 Kai Tietz <kai.tietz@onevision.com>
+
+ * gcc.dg/format/ms_array-1.c: New.
+ * gcc.dg/format/ms_c90-scanf-3.c: New.
+ * gcc.dg/format/ms_c99-strftime-1.c: New.
+ * gcc.dg/format/ms_no-y2k-1.c: New.
+ * gcc.dg/format/ms_attr-1.c: New.
+ * gcc.dg/format/ms_c90-scanf-4.c: New.
+ * gcc.dg/format/ms_c99-strftime-2.c: New.
+ * gcc.dg/format/ms_nonlit-1.c: New.
+ * gcc.dg/format/ms_c90-scanf-5.c: New.
+ * gcc.dg/format/ms_cast-1.c: New.
+ * gcc.dg/format/ms_nonlit-2.c: New.
+ * gcc.dg/format/ms_attr-2.c: New.
+ * gcc.dg/format/ms_c90-strftime-1.c: New.
+ * gcc.dg/format/ms_miss-1.c: New.
+ * gcc.dg/format/ms_nonlit-3.c: New.
+ * gcc.dg/format/ms_attr-3.c: New.
+ * gcc.dg/format/ms_c90-strftime-2.c: New.
+ * gcc.dg/format/ms_miss-2.c: New.
+ * gcc.dg/format/ms_nul-1.c: New.
+ * gcc.dg/format/ms_attr-4.c: New.
+ * gcc.dg/format/ms_c94-printf-1.c: New.
+ * gcc.dg/format/ms_miss-3.c: New.
+ * gcc.dg/format/ms_nul-2.c: New.
+ * gcc.dg/format/ms_attr-7.c: New.
+ * gcc.dg/format/ms_c94-scanf-1.c: New.
+ * gcc.dg/format/ms_miss-4.c: New.
+ * gcc.dg/format/ms_null-1.c: New.
+ * gcc.dg/format/ms_bitfld-1.c: New.
+ * gcc.dg/format/ms_c99-printf-1.c: New.
+ * gcc.dg/format/ms_miss-5.c: New.
+ * gcc.dg/format/ms_plus-1.c: New.
+ * gcc.dg/format/ms_branch-1.c: New.
+ * gcc.dg/format/ms_c99-printf-2.c: New.
+ * gcc.dg/format/ms_miss-6.c: New.
+ * gcc.dg/format/ms_sec-1.c: New.
+ * gcc.dg/format/ms_c90-printf-1.c: New.
+ * gcc.dg/format/ms_c99-printf-3.c: New.
+ * gcc.dg/format/ms_multattr-1.c: New.
+ * gcc.dg/format/ms_unnamed-1.c: New.
+ * gcc.dg/format/ms_c90-printf-2.c: New.
+ * gcc.dg/format/ms_c99-scanf-1.c: New.
+ * gcc.dg/format/ms_multattr-2.c: New.
+ * gcc.dg/format/ms_va-1.c: New.
+ * gcc.dg/format/ms_c90-printf-3.c: New.
+ * gcc.dg/format/ms_c99-scanf-2.c: New.
+ * gcc.dg/format/ms_multattr-3.c: New.
+ * gcc.dg/format/ms_c90-scanf-1.c: New.
+ * gcc.dg/format/ms_c99-scanf-3.c: New.
+ * gcc.dg/format/ms_no-exargs-1.c: New.
+ * gcc.dg/format/ms_zero-length-1.c: New.
+ * gcc.dg/format/ms_c90-scanf-2.c: New.
+ * gcc.dg/format/ms_c99-scanf-4.c: New.
+ * gcc.dg/format/ms_no-exargs-2.c: New.
+ * gcc.dg/format/null-1.c: Add gnu style usage for mingw.
+ * gcc.dg/format/miss-1.c: Likewise.
+ * gcc.dg/format/miss-3.c: Likewise.
+ * gcc.dg/format/multattr-2.c: Likewise.
+ * gcc.dg/format/miss-5.c: Likewise.
+ * gcc.dg/format/attr-2.c: Likewise.
+ * gcc.dg/format/attr-4.c: Likewise.
+ * gcc.dg/format/c90-scanf-4.c: Likewise.
+ * gcc.dg/format/c99-printf-3.c: Likewise.
+ * gcc.dg/format/multattr-1.c: Likewise.
+ * gcc.dg/format/miss-4.c: Likewise.
+ * gcc.dg/format/miss-6.c: Likewise.
+ * gcc.dg/format/c90-printf-3.c: Likewise.
+ * gcc.dg/format/attr-1.c: Likewise.
+ * gcc.dg/format/attr-3.c: Likewise.
+ * gcc.dg/format/attr-7.c: Likewise.
+ * gcc.dg/format/format.h: Treat mingw and gnu style.
+ * gcc.dg/format/sys_format.c: New.
+
2008-03-19 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/35627
/* { dg-do compile } */
/* { dg-options "-std=gnu99 -Wformat" } */
+#define DONT_GNU_PROTOTYPE
#include "format.h"
-extern void foo0 (const char *) __attribute__((__format__(__strftime__, 1, 0)));
-extern void foo1 (const char *, ...) __attribute__((__format__(__strftime__, 1, 2))); /* { dg-error "cannot format" "strftime first_arg_num != 0" } */
+extern void foo0 (const char *) __attribute__((__format__(gnu_attr___strftime__, 1, 0)));
+extern void foo1 (const char *, ...) __attribute__((__format__(gnu_attr___strftime__, 1, 2))); /* { dg-error "cannot format" "strftime first_arg_num != 0" } */
/* { dg-do compile } */
/* { dg-options "-std=gnu99 -Wformat" } */
+#define DONT_GNU_PROTOTYPE
#include "format.h"
-extern void tformatprintf (const char *, ...) __attribute__((format(printf, 1, 2)));
-extern void tformat__printf__ (const char *, ...) __attribute__((format(__printf__, 1, 2)));
-extern void tformatscanf (const char *, ...) __attribute__((format(scanf, 1, 2)));
-extern void tformat__scanf__ (const char *, ...) __attribute__((format(__scanf__, 1, 2)));
-extern void tformatstrftime (const char *) __attribute__((format(strftime, 1, 0)));
-extern void tformat__strftime__ (const char *) __attribute__((format(__strftime__, 1, 0)));
+extern void tformatprintf (const char *, ...) __attribute__((format(gnu_attr_printf, 1, 2)));
+extern void tformat__printf__ (const char *, ...) __attribute__((format(gnu_attr___printf__, 1, 2)));
+extern void tformatscanf (const char *, ...) __attribute__((format(gnu_attr_scanf, 1, 2)));
+extern void tformat__scanf__ (const char *, ...) __attribute__((format(gnu_attr___scanf__, 1, 2)));
+extern void tformatstrftime (const char *) __attribute__((format(gnu_attr_strftime, 1, 0)));
+extern void tformat__strftime__ (const char *) __attribute__((format(gnu_attr___strftime__, 1, 0)));
extern void tformatstrfmon (const char *, ...) __attribute__((format(strfmon, 1, 2)));
extern void tformat__strfmon__ (const char *, ...) __attribute__((format(__strfmon__, 1, 2)));
-extern void t__format__printf (const char *, ...) __attribute__((__format__(printf, 1, 2)));
-extern void t__format____printf__ (const char *, ...) __attribute__((__format__(__printf__, 1, 2)));
-extern void t__format__scanf (const char *, ...) __attribute__((__format__(scanf, 1, 2)));
-extern void t__format____scanf__ (const char *, ...) __attribute__((__format__(__scanf__, 1, 2)));
-extern void t__format__strftime (const char *) __attribute__((__format__(strftime, 1, 0)));
-extern void t__format____strftime__ (const char *) __attribute__((__format__(__strftime__, 1, 0)));
+extern void t__format__printf (const char *, ...) __attribute__((__format__(gnu_attr_printf, 1, 2)));
+extern void t__format____printf__ (const char *, ...) __attribute__((__format__(gnu_attr___printf__, 1, 2)));
+extern void t__format__scanf (const char *, ...) __attribute__((__format__(gnu_attr_scanf, 1, 2)));
+extern void t__format____scanf__ (const char *, ...) __attribute__((__format__(gnu_attr___scanf__, 1, 2)));
+extern void t__format__strftime (const char *) __attribute__((__format__(gnu_attr_strftime, 1, 0)));
+extern void t__format____strftime__ (const char *) __attribute__((__format__(gnu_attr___strftime__, 1, 0)));
extern void t__format__strfmon (const char *, ...) __attribute__((__format__(strfmon, 1, 2)));
extern void t__format____strfmon__ (const char *, ...) __attribute__((__format__(__strfmon__, 1, 2)));
/* { dg-do compile } */
/* { dg-options "-std=gnu99 -Wformat" } */
+#define DONT_GNU_PROTOTYPE
#include "format.h"
/* Proper uses of the attributes. */
-extern void fa0 (const char *, ...) __attribute__((format(printf, 1, 2)));
-extern void fa1 (char *, ...) __attribute__((format(printf, 1, 2)));
+extern void fa0 (const char *, ...) __attribute__((format(gnu_attr_printf, 1, 2)));
+extern void fa1 (char *, ...) __attribute__((format(gnu_attr_printf, 1, 2)));
extern char *fa2 (const char *) __attribute__((format_arg(1)));
extern char *fa3 (char *) __attribute__((format_arg(1)));
/* Uses with too few or too many arguments. */
extern void fb0 (const char *, ...) __attribute__((format)); /* { dg-error "wrong number of arguments" "bad format" } */
extern void fb1 (const char *, ...) __attribute__((format())); /* { dg-error "wrong number of arguments" "bad format" } */
-extern void fb2 (const char *, ...) __attribute__((format(printf))); /* { dg-error "wrong number of arguments" "bad format" } */
-extern void fb3 (const char *, ...) __attribute__((format(printf, 1))); /* { dg-error "wrong number of arguments" "bad format" } */
-extern void fb4 (const char *, ...) __attribute__((format(printf, 1, 2, 3))); /* { dg-error "wrong number of arguments" "bad format" } */
+extern void fb2 (const char *, ...) __attribute__((format(gnu_attr_printf))); /* { dg-error "wrong number of arguments" "bad format" } */
+extern void fb3 (const char *, ...) __attribute__((format(gnu_attr_printf, 1))); /* { dg-error "wrong number of arguments" "bad format" } */
+extern void fb4 (const char *, ...) __attribute__((format(gnu_attr_printf, 1, 2, 3))); /* { dg-error "wrong number of arguments" "bad format" } */
extern void fc1 (const char *) __attribute__((format_arg)); /* { dg-error "wrong number of arguments" "bad format_arg" } */
extern void fc2 (const char *) __attribute__((format_arg())); /* { dg-error "wrong number of arguments" "bad format_arg" } */
/* These attributes presently only apply to declarations, not to types.
Eventually, they should be usable with declarators for function types
anywhere, but still not with structure/union/enum types. */
-struct s0 { int i; } __attribute__((format(printf, 1, 2))); /* { dg-error "does not apply|only applies" "format on struct" } */
-union u0 { int i; } __attribute__((format(printf, 1, 2))); /* { dg-error "does not apply|only applies" "format on union" } */
-enum e0 { E0V0 } __attribute__((format(printf, 1, 2))); /* { dg-error "does not apply|only applies" "format on enum" } */
+struct s0 { int i; } __attribute__((format(gnu_attr_printf, 1, 2))); /* { dg-error "does not apply|only applies" "format on struct" } */
+union u0 { int i; } __attribute__((format(gnu_attr_printf, 1, 2))); /* { dg-error "does not apply|only applies" "format on union" } */
+enum e0 { E0V0 } __attribute__((format(gnu_attr_printf, 1, 2))); /* { dg-error "does not apply|only applies" "format on enum" } */
struct s1 { int i; } __attribute__((format_arg(1))); /* { dg-error "does not apply|only applies" "format_arg on struct" } */
union u1 { int i; } __attribute__((format_arg(1))); /* { dg-error "does not apply|only applies" "format_arg on union" } */
extern void fe1 (const char *, ...) __attribute__((format(nosuch, 1, 2))); /* { dg-warning "format function type" "unknown format" } */
/* Both the numbers must be integer constant expressions. */
-extern void ff0 (const char *, ...) __attribute__((format(printf, 3-2, (long long)(10/5))));
+extern void ff0 (const char *, ...) __attribute__((format(gnu_attr_printf, 3-2, (long long)(10/5))));
int foo;
-extern void ff1 (const char *, ...) __attribute__((format(printf, foo, 10/5))); /* { dg-error "invalid operand" "bad number" } */
-extern void ff2 (const char *, ...) __attribute__((format(printf, 3-2, foo))); /* { dg-error "invalid operand" "bad number" } */
+extern void ff1 (const char *, ...) __attribute__((format(gnu_attr_printf, foo, 10/5))); /* { dg-error "invalid operand" "bad number" } */
+extern void ff2 (const char *, ...) __attribute__((format(gnu_attr_printf, 3-2, foo))); /* { dg-error "invalid operand" "bad number" } */
extern char *ff3 (const char *) __attribute__((format_arg(3-2)));
extern char *ff4 (const char *) __attribute__((format_arg(foo))); /* { dg-error "invalid operand" "bad format_arg number" } */
/* The format string argument must precede the arguments to be formatted.
This includes if no parameter types are specified (which is not valid ISO
C for variadic functions). */
-extern void fg0 () __attribute__((format(printf, 1, 2)));
-extern void fg1 () __attribute__((format(printf, 1, 0)));
-extern void fg2 () __attribute__((format(printf, 1, 1))); /* { dg-error "follows" "bad number order" } */
-extern void fg3 () __attribute__((format(printf, 2, 1))); /* { dg-error "follows" "bad number order" } */
+extern void fg0 () __attribute__((format(gnu_attr_printf, 1, 2)));
+extern void fg1 () __attribute__((format(gnu_attr_printf, 1, 0)));
+extern void fg2 () __attribute__((format(gnu_attr_printf, 1, 1))); /* { dg-error "follows" "bad number order" } */
+extern void fg3 () __attribute__((format(gnu_attr_printf, 2, 1))); /* { dg-error "follows" "bad number order" } */
/* The format string argument must be a string type, and the arguments to
be formatted must be the "...". */
-extern void fh0 (int, ...) __attribute__((format(printf, 1, 2))); /* { dg-error "not a string" "format int string" } */
-extern void fh1 (signed char *, ...) __attribute__((format(printf, 1, 2))); /* { dg-error "not a string" "signed char string" } */
-extern void fh2 (unsigned char *, ...) __attribute__((format(printf, 1, 2))); /* { dg-error "not a string" "unsigned char string" } */
-extern void fh3 (const char *, ...) __attribute__((format(printf, 1, 3))); /* { dg-error "is not" "not ..." } */
-extern void fh4 (const char *, int, ...) __attribute__((format(printf, 1, 2))); /* { dg-error "is not" "not ..." } */
+extern void fh0 (int, ...) __attribute__((format(gnu_attr_printf, 1, 2))); /* { dg-error "not a string" "format int string" } */
+extern void fh1 (signed char *, ...) __attribute__((format(gnu_attr_printf, 1, 2))); /* { dg-error "not a string" "signed char string" } */
+extern void fh2 (unsigned char *, ...) __attribute__((format(gnu_attr_printf, 1, 2))); /* { dg-error "not a string" "unsigned char string" } */
+extern void fh3 (const char *, ...) __attribute__((format(gnu_attr_printf, 1, 3))); /* { dg-error "is not" "not ..." } */
+extern void fh4 (const char *, int, ...) __attribute__((format(gnu_attr_printf, 1, 2))); /* { dg-error "is not" "not ..." } */
/* format_arg formats must take and return a string. */
extern char *fi0 (int) __attribute__((format_arg(1))); /* { dg-error "not a string" "format_arg int string" } */
/* { dg-do compile } */
/* { dg-options "-std=gnu99 -Wformat" } */
+#define DONT_GNU_PROTOTYPE
#include "format.h"
-extern __attribute__((format(printf, 1, 2))) void tformatprintf0 (const char *, ...);
-extern void __attribute__((format(printf, 1, 2))) tformatprintf1 (const char *, ...);
-extern void foo (void), __attribute__((format(printf, 1, 2))) tformatprintf2 (const char *, ...);
-extern __attribute__((noreturn)) void bar (void), __attribute__((format(printf, 1, 2))) tformatprintf3 (const char *, ...);
+extern __attribute__((format(gnu_attr_printf, 1, 2))) void tformatprintf0 (const char *, ...);
+extern void __attribute__((format(gnu_attr_printf, 1, 2))) tformatprintf1 (const char *, ...);
+extern void foo (void), __attribute__((format(gnu_attr_printf, 1, 2))) tformatprintf2 (const char *, ...);
+extern __attribute__((noreturn)) void bar (void), __attribute__((format(gnu_attr_printf, 1, 2))) tformatprintf3 (const char *, ...);
void
baz (int i, int *ip, double d)
/* { dg-do compile } */
/* { dg-options "-std=gnu99 -Wformat" } */
+#define DONT_GNU_PROTOTYPE
#include "format.h"
-__attribute__((format(printf, 1, 2))) void (*tformatprintf0) (const char *, ...);
-void (*tformatprintf1) (const char *, ...) __attribute__((format(printf, 1, 2)));
-void (__attribute__((format(printf, 1, 2))) *tformatprintf2) (const char *, ...);
-void (__attribute__((format(printf, 1, 2))) ****tformatprintf3) (const char *, ...);
+__attribute__((format(gnu_attr_printf, 1, 2))) void (*tformatprintf0) (const char *, ...);
+void (*tformatprintf1) (const char *, ...) __attribute__((format(gnu_attr_printf, 1, 2)));
+void (__attribute__((format(gnu_attr_printf, 1, 2))) *tformatprintf2) (const char *, ...);
+void (__attribute__((format(gnu_attr_printf, 1, 2))) ****tformatprintf3) (const char *, ...);
char * (__attribute__((format_arg(1))) *tformat_arg) (const char *);
do not.
*/
/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
-/* { dg-do compile } */
+/* { dg-do compile { target { ! *-*-mingw* } } } */
/* { dg-options "-std=iso9899:1990 -pedantic -Wformat" } */
#include "format.h"
do not.
*/
/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
-/* { dg-do compile } */
+/* { dg-do compile { target { ! *-*-mingw* } } } */
/* { dg-options "-std=iso9899:1990 -pedantic -Wformat" } */
#include "format.h"
attributes in strict C99 mode, but the gettext functions do not.
*/
/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
-/* { dg-do compile } */
+/* { dg-do compile { target { ! *-*-mingw* } } } */
/* { dg-options "-std=iso9899:1999 -pedantic -Wformat" } */
#include "format.h"
/* Format checking tests: common header. */
/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* DONT_GNU_PROTOTYPE */
+#if defined (_WIN32) && !defined (__CYGWIN__)
+#if !defined (USE_SYSTEM_FORMATS)
+#define gnu_attr_printf gnu_printf
+#define gnu_attr___printf__ __gnu_printf__
+#define gnu_attr_scanf gnu_scanf
+#define gnu_attr___scanf__ __gnu_scanf__
+#define gnu_attr_strftime gnu_strftime
+#define gnu_attr___strftime__ __gnu_strftime__
+#endif
+#endif
+
+#ifndef gnu_attr_printf
+#define gnu_attr_printf printf
+#define gnu_attr___printf__ __printf__
+#define gnu_attr_scanf scanf
+#define gnu_attr___scanf__ __scanf__
+#define gnu_attr_strftime strftime
+#define gnu_attr___strftime__ __strftime__
+#endif
+
+#if !defined (USE_SYSTEM_FORMATS)
+#define USE_PRINTF(FMTPOS, WILDARG) __attribute__((format(gnu_printf, FMTPOS, WILDARG))) __attribute__((nonnull (FMTPOS)))
+#define USE_SCANF(FMTPOS, WILDARG) __attribute__((format(gnu_scanf, FMTPOS, WILDARG))) __attribute__((nonnull (FMTPOS)))
+#define USE_STRFTIME(FMTPOS) __attribute__((__format__(gnu_strftime, FMTPOS, 0))) __attribute__((nonnull (FMTPOS)))
+#else
+#define USE_PRINTF(FMTPOS, WILDARG)
+#define USE_SCANF(FMTPOS, WILDARG)
+#define USE_STRFTIME(FMTPOS)
+#endif
+
#include <stdarg.h>
#include <stddef.h>
typedef __WINT_TYPE__ wint_t;
#endif
+#ifdef _WIN64
+/* Kludges to get types corresponding to size_t and ptrdiff_t. */
+#define unsigned signed
+typedef signed int signed_size_t __attribute__ ((mode (DI)));
+/* We also use this type to approximate ssize_t. */
+typedef signed int ssize_t __attribute__ ((mode (DI)));
+#undef unsigned
+#define signed /* Type might or might not have explicit 'signed'. */
+typedef unsigned int unsigned_ptrdiff_t __attribute__ ((mode (DI)));
+#undef signed
+
+__extension__ typedef int llong __attribute__ ((mode (DI)));
+__extension__ typedef unsigned int ullong __attribute__ ((mode (DI)));
+#else
/* Kludges to get types corresponding to size_t and ptrdiff_t. */
#define unsigned signed
typedef __SIZE_TYPE__ signed_size_t;
__extension__ typedef long long int llong;
__extension__ typedef unsigned long long int ullong;
+#endif
/* %q formats want a "quad"; GCC considers this to be a long long. */
typedef llong quad_t;
const struct tm *restrict);
extern ssize_t strfmon (char *restrict, size_t, const char *restrict, ...);
+
+/* Mingw specific part. */
+#if !defined (USE_SYSTEM_FORMATS) && defined(_WIN32) && !defined(DONT_GNU_PROTOTYPE)
+
+extern USE_PRINTF(2,3) int fprintf_gnu (FILE *restrict, const char *restrict, ...);
+#undef fprintf
+#define fprintf fprintf_gnu
+
+extern USE_PRINTF(1,2) int printf_gnu (const char *restrict, ...);
+#undef printf
+#define printf printf_gnu
+
+extern USE_PRINTF(2,3) int fprintf_unlocked_gnu (FILE *restrict, const char *restrict, ...);
+#undef fprintf_unlocked
+#define fprintf_unlocked fprintf_unlocked_gnu
+
+extern USE_PRINTF(1,2)int printf_unlocked_gnu (const char *restrict, ...);
+#undef printf_unlocked
+#define printf_unlocked printf_unlocked_gnu
+
+extern USE_PRINTF(2,3) int sprintf_gnu (char *restrict, const char *restrict, ...);
+#undef sprintf
+#define sprintf sprintf_gnu
+
+extern USE_PRINTF(2,0) int vfprintf_gnu (FILE *restrict, const char *restrict, va_list);
+#undef vsprintf
+#define vsprintf vsprintf_gnu
+
+extern USE_PRINTF(1,0) int vprintf_gnu (const char *restrict, va_list);
+#undef vprintf
+#define vprintf vprintf_gnu
+
+extern USE_PRINTF(2,0) int vsprintf_gnu (char *restrict, const char *restrict, va_list);
+#undef vsprintf
+#define vsprintf vsprintf_gnu
+
+extern USE_PRINTF(3,4) int snprintf_gnu (char *restrict, size_t, const char *restrict, ...);
+#undef snprintf
+#define snprintf snprintf_gnu
+
+extern USE_PRINTF(3,0) int vsnprintf_gnu (char *restrict, size_t, const char *restrict, va_list);
+#undef vsnprintf
+#define vsnprintf vsnprintf_gnu
+
+extern USE_SCANF(2,3) int fscanf_gnu (FILE *restrict, const char *restrict, ...);
+#undef fscanf
+#define fscanf fscanf_gnu
+
+extern USE_SCANF(1,2) int scanf_gnu (const char *restrict, ...);
+#undef scanf
+#define scanf scanf_gnu
+
+extern USE_SCANF(2,3) int sscanf_gnu (const char *restrict, const char *restrict, ...);
+#undef sscanf
+#define sscanf sscanf_gnu
+
+extern USE_SCANF(2,0) int vfscanf_gnu (FILE *restrict, const char *restrict, va_list);
+#undef vfscanf
+#define vfscanf vfscanf_gnu
+
+extern USE_SCANF(1,0) int vscanf_gnu (const char *restrict, va_list);
+#undef vscanf
+#define vscanf vscanf_gnu
+
+extern USE_SCANF(2,0) int vsscanf_gnu (const char *restrict, const char *restrict, va_list);
+#undef vsscanf
+#define vsscanf vsscanf_gnu
+
+extern USE_STRFTIME(3) size_t strftime_gnu (char *restrict, size_t, const char *restrict,
+ const struct tm *restrict);
+#undef strftime
+#define strftime strftime_gnu
+
+#endif
va_end (ap);
}
-__attribute__((__format__(__printf__, 1, 2))) void
+__attribute__((__format__(gnu_attr___printf__, 1, 2))) void
foo2 (const char *fmt, ...)
{
va_list ap;
/* { dg-do compile } */
/* { dg-options "-std=gnu99 -Wmissing-format-attribute" } */
+#define DONT_GNU_PROTOTYPE
#include "format.h"
typedef void (*noattr_t) (const char *, ...);
-typedef noattr_t __attribute__ ((__format__(__printf__, 1, 2))) attr_t;
+typedef noattr_t __attribute__ ((__format__(gnu_attr___printf__, 1, 2))) attr_t;
typedef void (*vnoattr_t) (const char *, va_list);
-typedef vnoattr_t __attribute__ ((__format__(__printf__, 1, 0))) vattr_t;
+typedef vnoattr_t __attribute__ ((__format__(gnu_attr___printf__, 1, 0))) vattr_t;
void
foo1 (noattr_t na, attr_t a, vnoattr_t vna, vattr_t va)
noattr_t na2 = a; /* { dg-warning "candidate" "initialization warning" } */
attr_t a1 = na;
attr_t a2 = a;
-
+
vnoattr_t vna1 = vna;
vnoattr_t vna2 = va; /* { dg-warning "candidate" "initialization warning" } */
vattr_t va1 = vna;
/* { dg-do compile } */
/* { dg-options "-std=gnu99 -Wmissing-format-attribute" } */
+#define DONT_GNU_PROTOTYPE
#include "format.h"
typedef void (*noattr_t) (const char *, ...);
-typedef noattr_t __attribute__ ((__format__(__printf__, 1, 2))) attr_t;
+typedef noattr_t __attribute__ ((__format__(gnu_attr___printf__, 1, 2))) attr_t;
typedef void (*vnoattr_t) (const char *, va_list);
-typedef vnoattr_t __attribute__ ((__format__(__printf__, 1, 0))) vattr_t;
+typedef vnoattr_t __attribute__ ((__format__(gnu_attr___printf__, 1, 0))) vattr_t;
void
foo1 (noattr_t na, attr_t a, vnoattr_t vna, vattr_t va)
{
noattr_t na1, na2;
attr_t a1, a2;
-
+
vnoattr_t vna1, vna2;
vattr_t va1, va2;
na2 = a; /* { dg-warning "candidate" "assignment warning" } */
a1 = na;
a2 = a;
-
+
vna1 = vna;
vna2 = va; /* { dg-warning "candidate" "assignment warning" } */
va1 = vna;
/* { dg-do compile } */
/* { dg-options "-std=gnu99 -Wmissing-format-attribute" } */
+#define DONT_GNU_PROTOTYPE
#include "format.h"
typedef void (*noattr_t) (const char *, ...);
-typedef noattr_t __attribute__ ((__format__(__printf__, 1, 2))) attr_t;
+typedef noattr_t __attribute__ ((__format__(gnu_attr___printf__, 1, 2))) attr_t;
typedef void (*vnoattr_t) (const char *, va_list);
-typedef vnoattr_t __attribute__ ((__format__(__printf__, 1, 0))) vattr_t;
+typedef vnoattr_t __attribute__ ((__format__(gnu_attr___printf__, 1, 0))) vattr_t;
noattr_t
foo1 (noattr_t na, attr_t a, int i)
/* { dg-do compile } */
/* { dg-options "-std=gnu99 -Wmissing-format-attribute" } */
+#define DONT_GNU_PROTOTYPE
#include "format.h"
typedef void (*noattr_t) (const char *, ...);
-typedef noattr_t __attribute__ ((__format__(__printf__, 1, 2))) attr_t;
+typedef noattr_t __attribute__ ((__format__(gnu_attr___printf__, 1, 2))) attr_t;
typedef void (*vnoattr_t) (const char *, va_list);
-typedef vnoattr_t __attribute__ ((__format__(__printf__, 1, 0))) vattr_t;
+typedef vnoattr_t __attribute__ ((__format__(gnu_attr___printf__, 1, 0))) vattr_t;
extern void foo1 (noattr_t);
extern void foo2 (attr_t);
foo1 (a); /* { dg-warning "candidate" "parameter passing warning" } */
foo2 (na);
foo2 (a);
-
+
foo3 (vna);
foo3 (va); /* { dg-warning "candidate" "parameter passing warning" } */
foo4 (vna);
--- /dev/null
+/* Test for format checking of constant arrays. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wformat=2" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+const char a1[] = "foo";
+const char a2[] = "foo%d";
+const char b1[3] = "foo";
+const char b2[1] = "1";
+static const char c1[] = "foo";
+static const char c2[] = "foo%d";
+char d[] = "foo";
+volatile const char e[] = "foo";
+
+void
+foo (int i, long l)
+{
+ const char p1[] = "bar";
+ const char p2[] = "bar%d";
+ static const char q1[] = "bar";
+ static const char q2[] = "bar%d";
+ printf (a1);
+ printf (a2, i);
+ printf (a2, l); /* { dg-warning "format" "wrong type with array" } */
+ printf (b1); /* { dg-warning "unterminated" "unterminated array" } */
+ printf (b2); /* { dg-warning "unterminated" "unterminated array" } */
+ printf (c1);
+ printf (c2, i);
+ printf (c2, l); /* { dg-warning "format" "wrong type with array" } */
+ printf (p1);
+ printf (p2, i);
+ printf (p2, l); /* { dg-warning "format" "wrong type with array" } */
+ printf (q1);
+ printf (q2, i);
+ printf (q2, l); /* { dg-warning "format" "wrong type with array" } */
+ /* Volatile or non-constant arrays must not be checked. */
+ printf (d); /* { dg-warning "not a string literal" "non-const" } */
+ printf ((const char *)e); /* { dg-warning "not a string literal" "volatile" } */
+}
--- /dev/null
+/* Test for strftime format attributes: can't have first_arg_num != 0. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wformat" } */
+
+#define DONT_GNU_PROTOTYPE
+#include "format.h"
+
+extern void foo0 (const char *) __attribute__((__format__(__ms_strftime__, 1, 0)));
+extern void foo1 (const char *, ...) __attribute__((__format__(__ms_strftime__, 1, 2))); /* { dg-error "cannot format" "strftime first_arg_num != 0" } */
--- /dev/null
+/* Test for format attributes: test use of __attribute__. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wformat" } */
+
+#define DONT_GNU_PROTOTYPE
+#include "format.h"
+
+extern void tformatprintf (const char *, ...) __attribute__((format(ms_printf, 1, 2)));
+extern void tformat__printf__ (const char *, ...) __attribute__((format(__ms_printf__, 1, 2)));
+extern void tformatscanf (const char *, ...) __attribute__((format(ms_scanf, 1, 2)));
+extern void tformat__scanf__ (const char *, ...) __attribute__((format(__ms_scanf__, 1, 2)));
+extern void tformatstrftime (const char *) __attribute__((format(ms_strftime, 1, 0)));
+extern void tformat__strftime__ (const char *) __attribute__((format(__ms_strftime__, 1, 0)));
+extern void tformatstrfmon (const char *, ...) __attribute__((format(strfmon, 1, 2)));
+extern void tformat__strfmon__ (const char *, ...) __attribute__((format(__strfmon__, 1, 2)));
+extern void t__format__printf (const char *, ...) __attribute__((__format__(ms_printf, 1, 2)));
+extern void t__format____printf__ (const char *, ...) __attribute__((__format__(__ms_printf__, 1, 2)));
+extern void t__format__scanf (const char *, ...) __attribute__((__format__(ms_scanf, 1, 2)));
+extern void t__format____scanf__ (const char *, ...) __attribute__((__format__(__ms_scanf__, 1, 2)));
+extern void t__format__strftime (const char *) __attribute__((__format__(ms_strftime, 1, 0)));
+extern void t__format____strftime__ (const char *) __attribute__((__format__(__ms_strftime__, 1, 0)));
+extern void t__format__strfmon (const char *, ...) __attribute__((__format__(strfmon, 1, 2)));
+extern void t__format____strfmon__ (const char *, ...) __attribute__((__format__(__strfmon__, 1, 2)));
+
+extern char *tformat_arg (const char *) __attribute__((format_arg(1)));
+extern char *t__format_arg__ (const char *) __attribute__((__format_arg__(1)));
+
+void
+foo (int i, int *ip, double d)
+{
+ tformatprintf ("%d", i);
+ tformatprintf ("%"); /* { dg-warning "format" "attribute format printf" } */
+ tformat__printf__ ("%d", i);
+ tformat__printf__ ("%"); /* { dg-warning "format" "attribute format __printf__" } */
+ tformatscanf ("%d", ip);
+ tformatscanf ("%"); /* { dg-warning "format" "attribute format scanf" } */
+ tformat__scanf__ ("%d", ip);
+ tformat__scanf__ ("%"); /* { dg-warning "format" "attribute format __scanf__" } */
+ tformatstrftime ("%a");
+ tformatstrftime ("%"); /* { dg-warning "format" "attribute format strftime" } */
+ tformat__strftime__ ("%a");
+ tformat__strftime__ ("%"); /* { dg-warning "format" "attribute format __strftime__" } */
+ tformatstrfmon ("%n", d);
+ tformatstrfmon ("%"); /* { dg-warning "format" "attribute format strfmon" } */
+ tformat__strfmon__ ("%n", d);
+ tformat__strfmon__ ("%"); /* { dg-warning "format" "attribute format __strfmon__" } */
+ t__format__printf ("%d", i);
+ t__format__printf ("%"); /* { dg-warning "format" "attribute __format__ printf" } */
+ t__format____printf__ ("%d", i);
+ t__format____printf__ ("%"); /* { dg-warning "format" "attribute __format__ __printf__" } */
+ t__format__scanf ("%d", ip);
+ t__format__scanf ("%"); /* { dg-warning "format" "attribute __format__ scanf" } */
+ t__format____scanf__ ("%d", ip);
+ t__format____scanf__ ("%"); /* { dg-warning "format" "attribute __format__ __scanf__" } */
+ t__format__strftime ("%a");
+ t__format__strftime ("%"); /* { dg-warning "format" "attribute __format__ strftime" } */
+ t__format____strftime__ ("%a");
+ t__format____strftime__ ("%"); /* { dg-warning "format" "attribute __format__ __strftime__" } */
+ t__format__strfmon ("%n", d);
+ t__format__strfmon ("%"); /* { dg-warning "format" "attribute __format__ strfmon" } */
+ t__format____strfmon__ ("%n", d);
+ t__format____strfmon__ ("%"); /* { dg-warning "format" "attribute __format__ __strfmon__" } */
+ tformatprintf (tformat_arg ("%d"), i);
+ tformatprintf (tformat_arg ("%")); /* { dg-warning "format" "attribute format_arg" } */
+ tformatprintf (t__format_arg__ ("%d"), i);
+ tformatprintf (t__format_arg__ ("%")); /* { dg-warning "format" "attribute __format_arg__" } */
+}
--- /dev/null
+/* Test for format attributes: test bad uses of __attribute__. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+/* Proper uses of the attributes. */
+extern void fa0 (const char *, ...) __attribute__((format(ms_printf, 1, 2)));
+extern void fa1 (char *, ...) __attribute__((format(ms_printf, 1, 2)));
+extern char *fa2 (const char *) __attribute__((format_arg(1)));
+extern char *fa3 (char *) __attribute__((format_arg(1)));
+
+/* Uses with too few or too many arguments. */
+extern void fb0 (const char *, ...) __attribute__((format)); /* { dg-error "wrong number of arguments" "bad format" } */
+extern void fb1 (const char *, ...) __attribute__((format())); /* { dg-error "wrong number of arguments" "bad format" } */
+extern void fb2 (const char *, ...) __attribute__((format(ms_printf))); /* { dg-error "wrong number of arguments" "bad format" } */
+extern void fb3 (const char *, ...) __attribute__((format(ms_printf, 1))); /* { dg-error "wrong number of arguments" "bad format" } */
+extern void fb4 (const char *, ...) __attribute__((format(ms_printf, 1, 2, 3))); /* { dg-error "wrong number of arguments" "bad format" } */
+
+extern void fc1 (const char *) __attribute__((format_arg)); /* { dg-error "wrong number of arguments" "bad format_arg" } */
+extern void fc2 (const char *) __attribute__((format_arg())); /* { dg-error "wrong number of arguments" "bad format_arg" } */
+extern void fc3 (const char *) __attribute__((format_arg(1, 2))); /* { dg-error "wrong number of arguments" "bad format_arg" } */
+
+/* These attributes presently only apply to declarations, not to types.
+ Eventually, they should be usable with declarators for function types
+ anywhere, but still not with structure/union/enum types. */
+struct s0 { int i; } __attribute__((format(ms_printf, 1, 2))); /* { dg-error "does not apply|only applies" "format on struct" } */
+union u0 { int i; } __attribute__((format(ms_printf, 1, 2))); /* { dg-error "does not apply|only applies" "format on union" } */
+enum e0 { E0V0 } __attribute__((format(ms_printf, 1, 2))); /* { dg-error "does not apply|only applies" "format on enum" } */
+
+struct s1 { int i; } __attribute__((format_arg(1))); /* { dg-error "does not apply|only applies" "format_arg on struct" } */
+union u1 { int i; } __attribute__((format_arg(1))); /* { dg-error "does not apply|only applies" "format_arg on union" } */
+enum e1 { E1V0 } __attribute__((format_arg(1))); /* { dg-error "does not apply|only applies" "format_arg on enum" } */
+
+/* The format type must be an identifier, one of those recognized. */
+extern void fe0 (const char *, ...) __attribute__((format(12345, 1, 2))); /* { dg-error "format specifier" "non-id format" } */
+extern void fe1 (const char *, ...) __attribute__((format(nosuch, 1, 2))); /* { dg-warning "format function type" "unknown format" } */
+
+/* Both the numbers must be integer constant expressions. */
+extern void ff0 (const char *, ...) __attribute__((format(ms_printf, 3-2, (long long)(10/5))));
+int foo;
+extern void ff1 (const char *, ...) __attribute__((format(ms_printf, foo, 10/5))); /* { dg-error "invalid operand" "bad number" } */
+extern void ff2 (const char *, ...) __attribute__((format(ms_printf, 3-2, foo))); /* { dg-error "invalid operand" "bad number" } */
+extern char *ff3 (const char *) __attribute__((format_arg(3-2)));
+extern char *ff4 (const char *) __attribute__((format_arg(foo))); /* { dg-error "invalid operand" "bad format_arg number" } */
+
+/* The format string argument must precede the arguments to be formatted.
+ This includes if no parameter types are specified (which is not valid ISO
+ C for variadic functions). */
+extern void fg0 () __attribute__((format(ms_printf, 1, 2)));
+extern void fg1 () __attribute__((format(ms_printf, 1, 0)));
+extern void fg2 () __attribute__((format(ms_printf, 1, 1))); /* { dg-error "follows" "bad number order" } */
+extern void fg3 () __attribute__((format(ms_printf, 2, 1))); /* { dg-error "follows" "bad number order" } */
+
+/* The format string argument must be a string type, and the arguments to
+ be formatted must be the "...". */
+extern void fh0 (int, ...) __attribute__((format(ms_printf, 1, 2))); /* { dg-error "not a string" "format int string" } */
+extern void fh1 (signed char *, ...) __attribute__((format(ms_printf, 1, 2))); /* { dg-error "not a string" "signed char string" } */
+extern void fh2 (unsigned char *, ...) __attribute__((format(ms_printf, 1, 2))); /* { dg-error "not a string" "unsigned char string" } */
+extern void fh3 (const char *, ...) __attribute__((format(ms_printf, 1, 3))); /* { dg-error "is not" "not ..." } */
+extern void fh4 (const char *, int, ...) __attribute__((format(ms_printf, 1, 2))); /* { dg-error "is not" "not ..." } */
+
+/* format_arg formats must take and return a string. */
+extern char *fi0 (int) __attribute__((format_arg(1))); /* { dg-error "not a string" "format_arg int string" } */
+extern char *fi1 (signed char *) __attribute__((format_arg(1))); /* { dg-error "not a string" "format_arg signed char string" } */
+extern char *fi2 (unsigned char *) __attribute__((format_arg(1))); /* { dg-error "not a string" "format_arg unsigned char string" } */
+extern int fi3 (const char *) __attribute__((format_arg(1))); /* { dg-error "not return string" "format_arg ret int string" } */
+extern signed char *fi4 (const char *) __attribute__((format_arg(1))); /* { dg-error "not return string" "format_arg ret signed char string" } */
+extern unsigned char *fi5 (const char *) __attribute__((format_arg(1))); /* { dg-error "not return string" "format_arg ret unsigned char string" } */
--- /dev/null
+/* Test for format attributes: test use of __attribute__
+ in prefix attributes. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+extern __attribute__((format(ms_printf, 1, 2))) void tformatprintf0 (const char *, ...);
+extern void __attribute__((format(ms_printf, 1, 2))) tformatprintf1 (const char *, ...);
+extern void foo (void), __attribute__((format(ms_printf, 1, 2))) tformatprintf2 (const char *, ...);
+extern __attribute__((noreturn)) void bar (void), __attribute__((format(ms_printf, 1, 2))) tformatprintf3 (const char *, ...);
+
+void
+baz (int i, int *ip, double d)
+{
+ tformatprintf0 ("%d", i);
+ tformatprintf0 ("%"); /* { dg-warning "format" "attribute format printf case 0" } */
+ tformatprintf1 ("%d", i);
+ tformatprintf1 ("%"); /* { dg-warning "format" "attribute format printf case 1" } */
+ tformatprintf2 ("%d", i);
+ tformatprintf2 ("%"); /* { dg-warning "format" "attribute format printf case 2" } */
+ tformatprintf3 ("%d", i);
+ tformatprintf3 ("%"); /* { dg-warning "format" "attribute format printf case 3" } */
+}
--- /dev/null
+/* Test for format attributes: test applying them to types. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wformat" } */
+
+#define DONT_GNU_PROTOTYPE
+#include "format.h"
+
+__attribute__((format(ms_printf, 1, 2))) void (*tformatprintf0) (const char *, ...);
+void (*tformatprintf1) (const char *, ...) __attribute__((format(ms_printf, 1, 2)));
+void (__attribute__((format(ms_printf, 1, 2))) *tformatprintf2) (const char *, ...);
+void (__attribute__((format(ms_printf, 1, 2))) ****tformatprintf3) (const char *, ...);
+
+char * (__attribute__((format_arg(1))) *tformat_arg) (const char *);
+
+void
+baz (int i)
+{
+ (*tformatprintf0) ("%d", i);
+ (*tformatprintf0) ((*tformat_arg) ("%d"), i);
+ (*tformatprintf0) ("%"); /* { dg-warning "format" "prefix" } */
+ (*tformatprintf0) ((*tformat_arg) ("%")); /* { dg-warning "format" "prefix" } */
+ (*tformatprintf1) ("%d", i);
+ (*tformatprintf1) ((*tformat_arg) ("%d"), i);
+ (*tformatprintf1) ("%"); /* { dg-warning "format" "postfix" } */
+ (*tformatprintf1) ((*tformat_arg) ("%")); /* { dg-warning "format" "postfix" } */
+ (*tformatprintf2) ("%d", i);
+ (*tformatprintf2) ((*tformat_arg) ("%d"), i);
+ (*tformatprintf2) ("%"); /* { dg-warning "format" "nested" } */
+ (*tformatprintf2) ((*tformat_arg) ("%")); /* { dg-warning "format" "nested" } */
+ (****tformatprintf3) ("%d", i);
+ (****tformatprintf3) ((*tformat_arg) ("%d"), i);
+ (****tformatprintf3) ("%"); /* { dg-warning "format" "nested 2" } */
+ (****tformatprintf3) ((*tformat_arg) ("%")); /* { dg-warning "format" "nested 2" } */
+}
--- /dev/null
+/* Test for printf formats and bit-fields: bug 22421. */
+/* Origin: Joseph Myers <joseph@codesourcery.com> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wformat" } */
+/* { dg-require-effective-target int32plus } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+struct s {
+ unsigned int u1 : 1;
+ signed int s1 : 1;
+ unsigned int u15 : 15;
+ signed int s15 : 15;
+ unsigned int u16 : 16;
+ signed int s16 : 16;
+ unsigned long u31 : 31;
+ signed long s31 : 31;
+ unsigned long u32 : 32;
+ signed long s32 : 32;
+ unsigned long long u48 : 48;
+} x;
+
+void
+foo (void)
+{
+ printf ("%d%u", x.u1, x.u1);
+ printf ("%d%u", x.s1, x.s1);
+ printf ("%d%u", x.u15, x.u15);
+ printf ("%d%u", x.s15, x.s15);
+ printf ("%d%u", x.u16, x.u16);
+ printf ("%d%u", x.s16, x.s16);
+#if __INT_MAX__ > 32767
+ /* If integers are 16 bits, there doesn't seem to be a way of
+ printing these without getting an error. */
+ printf ("%d%u", x.u31, x.u31);
+ printf ("%d%u", x.s31, x.s31);
+#endif
+#if __LONG_MAX__ > 2147483647 && __INT_MAX__ >= 2147483647
+ /* If long is wider than 32 bits, the 32-bit bit-fields are int or
+ unsigned int or promote to those types. Otherwise, long is 32
+ bits and the bit-fields are of type plain long or unsigned
+ long. */
+ printf ("%d%u", x.u32, x.u32);
+ printf ("%d%u", x.s32, x.s32);
+#else
+ printf ("%ld%lu", x.u32, x.u32);
+ printf ("%ld%lu", x.s32, x.s32);
+#endif
+ printf ("%I64u", x.u48); /* { dg-warning "has type '.*unsigned int:48'" } */
+ printf ("%I64u", (unsigned long long)x.u48);
+}
--- /dev/null
+/* Test for format checking of conditional expressions. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (long l, int nfoo)
+{
+ printf ((nfoo > 1) ? "%d foos" : "%d foo", nfoo);
+ printf ((l > 1) ? "%d foos" : "%d foo", l); /* { dg-warning "int" "wrong type in conditional expr" } */
+ printf ((l > 1) ? "%ld foos" : "%d foo", l); /* { dg-warning "int" "wrong type in conditional expr" } */
+ printf ((l > 1) ? "%d foos" : "%ld foo", l); /* { dg-warning "int" "wrong type in conditional expr" } */
+ /* Should allow one case to have extra arguments. */
+ printf ((nfoo > 1) ? "%d foos" : "1 foo", nfoo);
+ printf ((nfoo > 1) ? "many foos" : "1 foo", nfoo); /* { dg-warning "too many" "too many args in all branches" } */
+ printf ((nfoo > 1) ? "%d foos" : "", nfoo);
+ printf ((nfoo > 1) ? "%d foos" : ((nfoo > 0) ? "1 foo" : "no foos"), nfoo);
+ printf ((nfoo > 1) ? "%d foos" : ((nfoo > 0) ? "%d foo" : "%d foos"), nfoo);
+ printf ((nfoo > 1) ? "%d foos" : ((nfoo > 0) ? "%d foo" : "%ld foos"), nfoo); /* { dg-warning "long int" "wrong type" } */
+ printf ((nfoo > 1) ? "%ld foos" : ((nfoo > 0) ? "%d foo" : "%d foos"), nfoo); /* { dg-warning "long int" "wrong type" } */
+ printf ((nfoo > 1) ? "%d foos" : ((nfoo > 0) ? "%ld foo" : "%d foos"), nfoo); /* { dg-warning "long int" "wrong type" } */
+ /* Extra arguments to NULL should be complained about. */
+ printf (NULL, "foo"); /* { dg-warning "too many" "NULL extra args" } */
+ /* { dg-warning "null" "null format arg" { target *-*-* } 26 } */
+}
--- /dev/null
+/* Test for printf formats. Formats using C90 features, including cases
+ where C90 specifies some aspect of the format to be ignored or where
+ the behavior is undefined.
+*/
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1990 -pedantic -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (int i, int i1, int i2, unsigned int u, double d, char *s, void *p,
+ int *n, short int *hn, long int l, unsigned long int ul,
+ long int *ln, long double ld, wint_t lc, wchar_t *ls, llong ll,
+ ullong ull, unsigned int *un, const int *cn, signed char *ss,
+ unsigned char *us, const signed char *css, unsigned int u1,
+ unsigned int u2)
+{
+ /* See ISO/IEC 9899:1990 (E) subclause 7.9.6.1 (pages 131-134). */
+ /* Basic sanity checks for the different components of a format. */
+ printf ("%d\n", i);
+ printf ("%+d\n", i);
+ printf ("%3d\n", i);
+ printf ("%-3d\n", i);
+ printf ("%*d\n", i1, i);
+ printf ("%d %lu\n", i, ul);
+ /* Bogus use of width. */
+ printf ("%5n\n", n); /* { dg-warning "width" "width with %n" } */
+ /* Valid and invalid %% constructions. Some of the warning messages
+ are non-optimal, but they do detect the errorneous nature of the
+ format string.
+ */
+ printf ("%%");
+ printf ("%-%"); /* { dg-warning "format" "bogus %%" } */
+ printf ("%-%\n"); /* { dg-warning "format" "bogus %%" } */
+ printf ("%5%\n"); /* { dg-warning "format" "bogus %%" } */
+ printf ("%h%\n"); /* { dg-warning "format" "bogus %%" } */
+ /* Valid and invalid %h, %l, %L constructions. */
+ printf ("%hd", i);
+ printf ("%hi", i);
+ /* Strictly, these parameters should be int or unsigned int according to
+ what unsigned short promotes to. However, GCC ignores sign
+ differences in format checking here, and this is relied on to get the
+ correct checking without print_char_table needing to know whether
+ int and short are the same size.
+ */
+ printf ("%ho%hu%hx%hX", u, u, u, u);
+ printf ("%hn", hn);
+ printf ("%hf", d); /* { dg-warning "length" "bad use of %h" } */
+ printf ("%he", d); /* { dg-warning "length" "bad use of %h" } */
+ printf ("%hE", d); /* { dg-warning "length" "bad use of %h" } */
+ printf ("%hg", d); /* { dg-warning "length" "bad use of %h" } */
+ printf ("%hG", d); /* { dg-warning "length" "bad use of %h" } */
+ printf ("%hc", i);
+ printf ("%hs", hn);
+ printf ("%hp", p); /* { dg-warning "length" "bad use of %h" } */
+ printf ("%h"); /* { dg-warning "conversion lacks type" "bare %h" } */
+ printf ("%ld%li%lo%lu%lx%lX", l, l, ul, ul, ul, ul);
+ printf ("%ln", ln);
+ printf ("%lf", d); /* { dg-warning "length|C" "bad use of %l" } */
+ printf ("%le", d); /* { dg-warning "length|C" "bad use of %l" } */
+ printf ("%lE", d); /* { dg-warning "length|C" "bad use of %l" } */
+ printf ("%lg", d); /* { dg-warning "length|C" "bad use of %l" } */
+ printf ("%lG", d); /* { dg-warning "length|C" "bad use of %l" } */
+ printf ("%lp", p); /* { dg-warning "length|C" "bad use of %l" } */
+ /* These next two were added in C94, but should be objected to in C90.
+ For the first one, GCC has wanted wchar_t instead of the correct C94
+ and C99 wint_t.
+ */
+ printf ("%lc", lc); /* { dg-warning "length|C" "C90 bad use of %l" } */
+ printf ("%ls", ls); /* { dg-warning "length|C" "C90 bad use of %l" } */
+ /* Valid uses of each bare conversion. */
+ printf ("%d%i%o%u%x%X%f%e%E%g%G%c%s%p%n%%", i, i, u, u, u, u, d, d, d, d, d,
+ i, s, p, n);
+ /* Uses of the - flag (valid on all non-%, non-n conversions). */
+ printf ("%-d%-i%-o%-u%-x%-X%-f%-e%-E%-g%-G%-c%-s%-p", i, i, u, u, u, u,
+ d, d, d, d, d, i, s, p);
+ printf ("%-n", n); /* { dg-warning "flag" "bad use of %-n" } */
+ /* Uses of the + flag (valid on signed conversions only). */
+ printf ("%+d%+i%+f%+e%+E%+g%+G\n", i, i, d, d, d, d, d);
+ printf ("%+o", u); /* { dg-warning "flag" "bad use of + flag" } */
+ printf ("%+u", u); /* { dg-warning "flag" "bad use of + flag" } */
+ printf ("%+x", u); /* { dg-warning "flag" "bad use of + flag" } */
+ printf ("%+X", u); /* { dg-warning "flag" "bad use of + flag" } */
+ printf ("%+c", i); /* { dg-warning "flag" "bad use of + flag" } */
+ printf ("%+s", s); /* { dg-warning "flag" "bad use of + flag" } */
+ printf ("%+p", p); /* { dg-warning "flag" "bad use of + flag" } */
+ printf ("%+n", n); /* { dg-warning "flag" "bad use of + flag" } */
+ /* Uses of the space flag (valid on signed conversions only, and ignored
+ with +).
+ */
+ printf ("% +d", i); /* { dg-warning "use of both|ignored" "use of space and + flags" } */
+ printf ("%+ d", i); /* { dg-warning "use of both|ignored" "use of space and + flags" } */
+ printf ("% d% i% f% e% E% g% G\n", i, i, d, d, d, d, d);
+ printf ("% o", u); /* { dg-warning "flag" "bad use of space flag" } */
+ printf ("% u", u); /* { dg-warning "flag" "bad use of space flag" } */
+ printf ("% x", u); /* { dg-warning "flag" "bad use of space flag" } */
+ printf ("% X", u); /* { dg-warning "flag" "bad use of space flag" } */
+ printf ("% c", i); /* { dg-warning "flag" "bad use of space flag" } */
+ printf ("% s", s); /* { dg-warning "flag" "bad use of space flag" } */
+ printf ("% p", p); /* { dg-warning "flag" "bad use of space flag" } */
+ printf ("% n", n); /* { dg-warning "flag" "bad use of space flag" } */
+ /* Uses of the # flag. */
+ printf ("%#o%#x%#X%#e%#E%#f%#g%#G", u, u, u, d, d, d, d, d);
+ printf ("%#d", i); /* { dg-warning "flag" "bad use of # flag" } */
+ printf ("%#i", i); /* { dg-warning "flag" "bad use of # flag" } */
+ printf ("%#u", u); /* { dg-warning "flag" "bad use of # flag" } */
+ printf ("%#c", i); /* { dg-warning "flag" "bad use of # flag" } */
+ printf ("%#s", s); /* { dg-warning "flag" "bad use of # flag" } */
+ printf ("%#p", p); /* { dg-warning "flag" "bad use of # flag" } */
+ printf ("%#n", n); /* { dg-warning "flag" "bad use of # flag" } */
+ /* Uses of the 0 flag. */
+ printf ("%08d%08i%08o%08u%08x%08X%08e%08E%08f%08g%08G", i, i, u, u, u, u,
+ d, d, d, d, d);
+ printf ("%0c", i); /* { dg-warning "flag" "bad use of 0 flag" } */
+ printf ("%0s", s); /* { dg-warning "flag" "bad use of 0 flag" } */
+ printf ("%0p", p); /* { dg-warning "flag" "bad use of 0 flag" } */
+ printf ("%0n", n); /* { dg-warning "flag" "bad use of 0 flag" } */
+ /* 0 flag ignored with - flag. */
+ printf ("%-08d", i); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ printf ("%-08i", i); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ printf ("%-08o", u); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ printf ("%-08u", u); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ printf ("%-08x", u); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ printf ("%-08X", u); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ printf ("%-08e", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ printf ("%-08E", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ printf ("%-08f", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ printf ("%-08g", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ printf ("%-08G", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ /* Various tests of bad argument types. */
+ printf ("%d", l); /* { dg-warning "format" "bad argument types" } */
+ printf ("%ld", i); /* { dg-warning "format" "bad argument types" } */
+ printf ("%s", n); /* { dg-warning "format" "bad argument types" } */
+ printf ("%p", i); /* { dg-warning "format" "bad argument types" } */
+ printf ("%n", p); /* { dg-warning "format" "bad argument types" } */
+ /* With -pedantic, we want some further checks for pointer targets:
+ %p should allow only pointers to void (possibly qualified) and
+ to character types (possibly qualified), but not function pointers
+ or pointers to other types. (Whether, in fact, character types are
+ allowed here is unclear; see thread on comp.std.c, July 2000 for
+ discussion of the requirements of rules on identical representation,
+ and of the application of the as if rule with the new va_arg
+ allowances in C99 to printf.) Likewise, we should warn if
+ pointer targets differ in signedness, except in some circumstances
+ for character pointers. (In C99 we should consider warning for
+ char * or unsigned char * being passed to %hhn, even if strictly
+ legitimate by the standard.)
+ */
+ printf ("%p", foo); /* { dg-warning "format" "bad argument types" } */
+ printf ("%n", un); /* { dg-warning "format" "bad argument types" } */
+ printf ("%p", n); /* { dg-warning "format" "bad argument types" } */
+ /* Allow character pointers with %p. */
+ printf ("%p%p%p%p", s, ss, us, css);
+ /* %s allows any character type. */
+ printf ("%s%s%s%s", s, ss, us, css);
+ /* Warning for void * arguments for %s is GCC's historical behavior,
+ and seems useful to keep, even if some standard versions might be
+ read to permit it.
+ */
+ printf ("%s", p); /* { dg-warning "format" "bad argument types" } */
+ /* The historical behavior is to allow signed / unsigned types
+ interchangably as arguments. For values representable in both types,
+ such usage may be correct. For now preserve the behavior of GCC
+ in such cases.
+ */
+ printf ("%d", u);
+ /* Wrong number of arguments. */
+ printf ("%d%d", i); /* { dg-warning "arguments" "wrong number of args" } */
+ printf ("%d", i, i); /* { dg-warning "arguments" "wrong number of args" } */
+ /* Miscellaneous bogus constructions. */
+ printf (""); /* { dg-warning "zero-length" "warning for empty format" } */
+ printf ("\0"); /* { dg-warning "embedded" "warning for embedded NUL" } */
+ printf ("%d\0", i); /* { dg-warning "embedded" "warning for embedded NUL" } */
+ printf ("%d\0%d", i, i); /* { dg-warning "embedded|too many" "warning for embedded NUL" } */
+ printf (NULL); /* { dg-warning "null" "null format string warning" } */
+ printf ("%"); /* { dg-warning "trailing" "trailing % warning" } */
+ printf ("%++d", i); /* { dg-warning "repeated" "repeated flag warning" } */
+ printf ("%n", cn); /* { dg-warning "constant" "%n with const" } */
+ printf ((const char *)L"foo"); /* { dg-warning "wide" "wide string" } */
+ printf ("%n", (int *)0); /* { dg-warning "null" "%n with NULL" } */
+ printf ("%s", (char *)0); /* { dg-warning "null" "%s with NULL" } */
+}
--- /dev/null
+/* Test for printf formats. Formats using C99 features should be rejected
+ outside of C99 mode.
+*/
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1990 -pedantic -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (int i, double d, llong ll, intmax_t j, size_t z, ptrdiff_t t)
+{
+ /* Some tests already in c90-printf-1.c, e.g. %lf. */
+ /* The widths hh, ll, j, z, t are new. */
+ printf ("%hhd", i); /* { dg-warning "unknown|format" "%hh is unsupported" } */
+ printf ("%I64d", ll); /* { dg-warning "length|C" "%I64 in C90" } */
+ printf ("%jd", j); /* { dg-warning "unknown|format" "%j is unsupported" } */
+ printf ("%zu", z); /* { dg-warning "unknown|format" "%z is unsupported" } */
+ printf ("%td", t); /* { dg-warning "unknown|format" "%t is unsupported" } */
+ /* The formats F, a, A are new. */
+ printf ("%F", d); /* { dg-warning "unknown|format" "%F is unsupported" } */
+ printf ("%a", d); /* { dg-warning "unknown|format" "%a is unsupported" } */
+ printf ("%A", d); /* { dg-warning "unknown|format" "%A is unsupported" } */
+}
--- /dev/null
+/* Test for printf formats. Test that the C90 functions get their default
+ attributes in strict C90 mode, but the C99 and gettext functions
+ do not.
+*/
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1990 -pedantic -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (int i, char *s, size_t n, va_list v0, va_list v1, va_list v2, va_list v3,
+ va_list v4, va_list v5, va_list v6, va_list v7, va_list v8)
+{
+ fprintf (stdout, "%d", i);
+ fprintf (stdout, "%ld", i); /* { dg-warning "format" "fprintf" } */
+ printf ("%d", i);
+ printf ("%ld", i); /* { dg-warning "format" "printf" } */
+ /* The "unlocked" functions shouldn't warn in c90 mode. */
+ fprintf_unlocked (stdout, "%ld", i);
+ printf_unlocked ("%ld", i);
+ sprintf (s, "%d", i);
+ sprintf (s, "%ld", i); /* { dg-warning "format" "sprintf" } */
+ vfprintf (stdout, "%d", v0);
+ vfprintf (stdout, "%Y", v1); /* { dg-warning "format" "vfprintf" } */
+ vprintf ("%d", v2);
+ vprintf ("%Y", v3); /* { dg-warning "format" "vprintf" } */
+ /* The following used to give a bogus warning. */
+ vprintf ("%*.*d", v8); /* { dg-bogus "format" "vprintf" } */
+ vsprintf (s, "%d", v4);
+ vsprintf (s, "%Y", v5); /* { dg-warning "format" "Y is invalid" } */
+ snprintf (s, n, "%d", i);
+ snprintf (s, n, "%ld", i);
+ vsnprintf (s, n, "%d", v6);
+ vsnprintf (s, n, "%Y", v7);
+ printf (gettext ("%d"), i);
+ printf (gettext ("%ld"), i);
+ printf (dgettext ("", "%d"), i);
+ printf (dgettext ("", "%ld"), i);
+ printf (dcgettext ("", "%d", 0), i);
+ printf (dcgettext ("", "%ld", 0), i);
+}
--- /dev/null
+/* Test for scanf formats. Formats using C90 features, including cases
+ where C90 specifies some aspect of the format to be ignored or where
+ the behavior is undefined.
+*/
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1990 -pedantic -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (int *ip, unsigned int *uip, short int *hp, unsigned short int *uhp,
+ long int *lp, unsigned long int *ulp, float *fp, double *dp,
+ long double *ldp, char *s, signed char *ss, unsigned char *us,
+ void **pp, int *n, llong *llp, ullong *ullp, wchar_t *ls,
+ const int *cip, const int *cn, const char *cs, const void **ppc,
+ void *const *pcp, short int *hn, long int *ln, void *p, char **sp,
+ volatile void *ppv)
+{
+ /* See ISO/IEC 9899:1990 (E) subclause 7.9.6.2 (pages 134-138). */
+ /* Basic sanity checks for the different components of a format. */
+ scanf ("%d", ip);
+ scanf ("%*d");
+ scanf ("%3d", ip);
+ scanf ("%hd", hp);
+ scanf ("%3ld", lp);
+ scanf ("%*3d");
+ scanf ("%d %ld", ip, lp);
+ /* Valid and invalid %% constructions. */
+ scanf ("%%");
+ scanf ("%*%"); /* { dg-warning "format" "bogus %%" } */
+ scanf ("%*%\n"); /* { dg-warning "format" "bogus %%" } */
+ scanf ("%4%"); /* { dg-warning "format" "bogus %%" } */
+ scanf ("%4%\n"); /* { dg-warning "format" "bogus %%" } */
+ scanf ("%h%"); /* { dg-warning "format" "bogus %%" } */
+ scanf ("%h%\n"); /* { dg-warning "format" "bogus %%" } */
+ /* Valid, invalid and silly assignment-suppression constructions. */
+ scanf ("%*d%*i%*o%*u%*x%*X%*e%*E%*f%*g%*G%*s%*[abc]%*c%*p");
+ scanf ("%*2d%*8s%*3c");
+ scanf ("%*n", n); /* { dg-warning "suppress" "suppression of %n" } */
+ scanf ("%*hd"); /* { dg-warning "together" "suppression with length" } */
+ /* Valid, invalid and silly width constructions. */
+ scanf ("%2d%3i%4o%5u%6x%7X%8e%9E%10f%11g%12G%13s%14[abc]%15c%16p",
+ ip, ip, uip, uip, uip, uip, fp, fp, fp, fp, fp, s, s, s, pp);
+ scanf ("%0d", ip); /* { dg-warning "width" "warning for zero width" } */
+ scanf ("%3n", n); /* { dg-warning "width" "width with %n" } */
+ /* Valid and invalid %h, %l, %L constructions. */
+ scanf ("%hd%hi%ho%hu%hx%hX%hn", hp, hp, uhp, uhp, uhp, uhp, hn);
+ scanf ("%he", fp); /* { dg-warning "length" "bad use of %h" } */
+ scanf ("%hE", fp); /* { dg-warning "length" "bad use of %h" } */
+ scanf ("%hf", fp); /* { dg-warning "length" "bad use of %h" } */
+ scanf ("%hg", fp); /* { dg-warning "length" "bad use of %h" } */
+ scanf ("%hG", fp); /* { dg-warning "length" "bad use of %h" } */
+ scanf ("%hs", hp);
+ scanf ("%h[ac]", s); /* { dg-warning "length" "bad use of %h" } */
+ scanf ("%hc", hp);
+ scanf ("%hp", pp); /* { dg-warning "length" "bad use of %h" } */
+ scanf ("%h"); /* { dg-warning "conversion lacks type" "bare %h" } */
+ scanf ("%h."); /* { dg-warning "conversion" "bogus %h" } */
+ scanf ("%ld%li%lo%lu%lx%lX%ln", lp, lp, ulp, ulp, ulp, ulp, ln);
+ scanf ("%le%lE%lf%lg%lG", dp, dp, dp, dp, dp);
+ scanf ("%lp", pp); /* { dg-warning "length" "bad use of %l" } */
+ /* These next three formats were added in C94. */
+ scanf ("%ls", ls); /* { dg-warning "length|C" "bad use of %l" } */
+ scanf ("%l[ac]", ls); /* { dg-warning "length|C" "bad use of %l" } */
+ scanf ("%lc", ls); /* { dg-warning "length|C" "bad use of %l" } */
+ scanf ("%Ld", llp); /* { dg-warning "unknown|format" "%L is unsupported" } */
+ scanf ("%Li", llp); /* { dg-warning "unknown|format" "%L is unsupported" } */
+ scanf ("%Lo", ullp); /* { dg-warning "unknown|format" "%L is unsupported" } */
+ scanf ("%Lu", ullp); /* { dg-warning "unknown|format" "%L is unsupported" } */
+ scanf ("%Lx", ullp); /* { dg-warning "unknown|format" "%L is unsupported" } */
+ scanf ("%LX", ullp); /* { dg-warning "unknown|format" "%L is unsupported" } */
+ scanf ("%Ls", s); /* { dg-warning "unknown|format" "%L is unsupported" } */
+ scanf ("%L[ac]", s); /* { dg-warning "unknown|format" "%L is unsupported" } */
+ scanf ("%Lc", s); /* { dg-warning "unknown|format" "%L is unsupported" } */
+ scanf ("%Lp", pp); /* { dg-warning "unknown|format" "%L is unsupported" } */
+ scanf ("%Ln", n); /* { dg-warning "unknown|format" "%L is unsupported" } */
+ /* Valid uses of each bare conversion. */
+ scanf ("%d%i%o%u%x%X%e%E%f%g%G%s%[abc]%c%p%n%%", ip, ip, uip, uip, uip,
+ uip, fp, fp, fp, fp, fp, s, s, s, pp, n);
+ /* Allow other character pointers with %s, %c, %[]. */
+ scanf ("%2s%3s%4c%5c%6[abc]%7[abc]", ss, us, ss, us, ss, us);
+ /* Further tests for %[]. */
+ scanf ("%[%d]%d", s, ip);
+ scanf ("%[^%d]%d", s, ip);
+ scanf ("%[]%d]%d", s, ip);
+ scanf ("%[^]%d]%d", s, ip);
+ scanf ("%[%d]%d", s, ip);
+ scanf ("%[]abcd", s); /* { dg-warning "no closing" "incomplete scanset" } */
+ /* Various tests of bad argument types. Some of these are only pedantic
+ warnings.
+ */
+ scanf ("%d", lp); /* { dg-warning "format" "bad argument types" } */
+ scanf ("%d", uip); /* { dg-warning "format" "bad argument types" } */
+ scanf ("%d", pp); /* { dg-warning "format" "bad argument types" } */
+ scanf ("%p", ppc); /* { dg-warning "format" "bad argument types" } */
+ scanf ("%p", ppv); /* { dg-warning "format" "bad argument types" } */
+ scanf ("%s", n); /* { dg-warning "format" "bad argument types" } */
+ scanf ("%s", p); /* { dg-warning "format" "bad argument types" } */
+ scanf ("%p", p); /* { dg-warning "format" "bad argument types" } */
+ scanf ("%p", sp); /* { dg-warning "format" "bad argument types" } */
+ /* Tests for writing into constant values. */
+ scanf ("%d", cip); /* { dg-warning "constant" "%d writing into const" } */
+ scanf ("%n", cn); /* { dg-warning "constant" "%n writing into const" } */
+ scanf ("%s", cs); /* { dg-warning "constant" "%s writing into const" } */
+ scanf ("%p", pcp); /* { dg-warning "constant" "%p writing into const" } */
+ /* Wrong number of arguments. */
+ scanf ("%d%d", ip); /* { dg-warning "arguments" "wrong number of args" } */
+ scanf ("%d", ip, ip); /* { dg-warning "arguments" "wrong number of args" } */
+ /* Miscellaneous bogus constructions. */
+ scanf (""); /* { dg-warning "zero-length" "warning for empty format" } */
+ scanf ("\0"); /* { dg-warning "embedded" "warning for embedded NUL" } */
+ scanf ("%d\0", ip); /* { dg-warning "embedded" "warning for embedded NUL" } */
+ scanf ("%d\0%d", ip, ip); /* { dg-warning "embedded|too many" "warning for embedded NUL" } */
+ scanf (NULL); /* { dg-warning "null" "null format string warning" } */
+ scanf ("%"); /* { dg-warning "trailing" "trailing % warning" } */
+ scanf ("%d", (int *)0); /* { dg-warning "null" "writing into NULL" } */
+}
--- /dev/null
+/* Test for scanf formats. Formats using C99 features should be rejected
+ outside of C99 mode.
+*/
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1990 -pedantic -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (signed char *hhp, float *fp, llong *llp, intmax_t *jp,
+ size_t *zp, ptrdiff_t *tp)
+{
+ /* Some tests already in c90-scanf-1.c. */
+ /* The widths hh, ll, j, z, t are new. */
+ scanf ("%hhd", hhp); /* { dg-warning "unknown|format" "%hh is unsupported" } */
+ scanf ("%I64d", llp); /* { dg-warning "length|C" "%I64 in C90" } */
+ scanf ("%jd", jp); /* { dg-warning "unknown|format" "%j is unsupported" } */
+ scanf ("%zu", zp); /* { dg-warning "unknown|format" "%z is unsupported" } */
+ scanf ("%td", tp); /* { dg-warning "unknown|format" "%t is unsupported" } */
+ /* The formats F, a, A are new. */
+ scanf ("%F", fp); /* { dg-warning "unknown|format" "%F is unsupported" } */
+ scanf ("%a", fp); /* { dg-warning "unknown|format" "%a is unsupported" } */
+ scanf ("%A", fp); /* { dg-warning "unknown|format" "%A is unsupported" } */
+}
--- /dev/null
+/* Test for scanf formats. Formats using extensions to the standard
+ should be rejected in strict pedantic mode.
+*/
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1990 -pedantic -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (char **sp, wchar_t **lsp)
+{
+ /* %a formats for allocation, only recognized in C90 mode, are a
+ GNU extension.
+ */
+ scanf ("%as", sp); /* { dg-warning "flag" "%as is unsupported" } */
+ scanf ("%aS", lsp); /* { dg-warning "format|flag" "%aS is unsupported" } */
+ scanf ("%a[bcd]", sp); /* { dg-warning "flag" "%a[] is unsupported" } */
+}
--- /dev/null
+/* Test for scanf formats. Test that the C90 functions get their default
+ attributes in strict C90 mode, but the C99 and gettext functions
+ do not.
+*/
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1990 -pedantic -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (int *ip, char *s, va_list v0, va_list v1, va_list v2, va_list v3,
+ va_list v4, va_list v5)
+{
+ fscanf (stdin, "%d", ip);
+ fscanf (stdin, "%ld", ip); /* { dg-warning "format" "fscanf" } */
+ scanf ("%d", ip);
+ scanf ("%ld", ip); /* { dg-warning "format" "scanf" } */
+ sscanf (s, "%d", ip);
+ sscanf (s, "%ld", ip); /* { dg-warning "format" "sscanf" } */
+ vfscanf (stdin, "%d", v0);
+ vscanf ("%d", v2);
+ vsscanf (s, "%d", v4);
+ scanf (gettext ("%d"), ip);
+ scanf (gettext ("%ld"), ip);
+ scanf (dgettext ("", "%d"), ip);
+ scanf (dgettext ("", "%ld"), ip);
+ scanf (dcgettext ("", "%d", 0), ip);
+ scanf (dcgettext ("", "%ld", 0), ip);
+}
--- /dev/null
+/* Test for scanf formats. Formats using extensions to the standard
+ should be rejected in strict pedantic mode.
+*/
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1990 -pedantic -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (char **sp, wchar_t **lsp)
+{
+ /* m assignment-allocation modifier, recognized in both C90
+ and C99 modes, is a POSIX and ISO/IEC WDTR 24731-2 extension. */
+ scanf ("%ms", sp); /* { dg-warning "unknown|format" "%ms is unsupported" } */
+ scanf ("%mS", lsp); /* { dg-warning "unknown|format" "%mS is unsupported" } */
+ scanf ("%mls", lsp); /* { dg-warning "unknown|format" "%mls is unsupported" } */
+ scanf ("%m[bcd]", sp); /* { dg-warning "unknown|format" "%m[] is unsupported" } */
+ scanf ("%ml[bcd]", lsp); /* { dg-warning "unknown|format" "%ml[] is unsupported" } */
+}
--- /dev/null
+/* Test for strftime formats. Formats using C90 features. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1990 -pedantic -Wformat -Wformat-y2k" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (char *s, size_t m, const struct tm *tp)
+{
+ /* See ISO/IEC 9899:1990 (E) subclause 7.12.3.5 (pages 174-175). */
+ /* Formats which are Y2K-compliant (no 2-digit years). */
+ strftime (s, m, "%a%A%b%B%d%H%I%j%m%M%p%S%U%w%W%X%Y%Z%%", tp);
+ /* Formats with 2-digit years. */
+ strftime (s, m, "%y", tp); /* { dg-warning "only last 2" "2-digit year" } */
+ /* Formats with 2-digit years in some locales. */
+ strftime (s, m, "%c", tp); /* { dg-warning "some locales" "2-digit year" } */
+ strftime (s, m, "%x", tp); /* { dg-warning "some locales" "2-digit year" } */
+}
--- /dev/null
+/* Test for strftime formats. Rejection of formats using C99 features in
+ pedantic C90 mode. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1990 -pedantic -Wformat -Wformat-y2k" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (char *s, size_t m, const struct tm *tp)
+{
+ strftime (s, m, "%C", tp); /* { dg-warning "format" "%C is unsupported" } */
+ strftime (s, m, "%D", tp); /* { dg-warning "format" "%D is unsupported" } */
+ strftime (s, m, "%e", tp); /* { dg-warning "format" "%e is unsupported" } */
+ strftime (s, m, "%F", tp); /* { dg-warning "format" "%F is unsupported" } */
+ strftime (s, m, "%g", tp); /* { dg-warning "format" "%g is unsupported" } */
+ strftime (s, m, "%G", tp); /* { dg-warning "format" "%G is unsupported" } */
+ strftime (s, m, "%h", tp); /* { dg-warning "format" "%h is unsupported" } */
+ strftime (s, m, "%n", tp); /* { dg-warning "format" "%n is unsupported" } */
+ strftime (s, m, "%r", tp); /* { dg-warning "format" "%r is unsupported" } */
+ strftime (s, m, "%R", tp); /* { dg-warning "format" "%R is unsupported" } */
+ strftime (s, m, "%t", tp); /* { dg-warning "format" "%t is unsupported" } */
+ strftime (s, m, "%T", tp); /* { dg-warning "format" "%T is unsupported" } */
+ strftime (s, m, "%u", tp); /* { dg-warning "format" "%u is unsupported" } */
+ strftime (s, m, "%V", tp); /* { dg-warning "format" "%V is unsupported" } */
+ strftime (s, m, "%z", tp); /* { dg-warning "C" "%z not in C90" } */
+}
--- /dev/null
+/* Test for printf formats. Changes in C94 to C90. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:199409 -pedantic -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (wint_t lc, wchar_t *ls)
+{
+ /* See ISO/IEC 9899:1990 (E) subclause 7.9.6.1 (pages 131-134),
+ as amended by ISO/IEC 9899:1990/Amd.1:1995 (E) (pages 4-5).
+ We do not repeat here all the C90 format checks, but just verify
+ that %ls and %lc are accepted without warning.
+ */
+ printf ("%lc", lc);
+ printf ("%ls", ls);
+}
--- /dev/null
+/* Test for scanf formats. Changes in C94 to C90. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:199409 -pedantic -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (wchar_t *ls)
+{
+ /* See ISO/IEC 9899:1990 (E) subclause 7.9.6.2 (pages 134-138),
+ as amended by ISO/IEC 9899:1990/Amd.1:1995 (E) (pages 5-6).
+ We do not repeat here all the C90 format checks, but just verify
+ that %ls, %lc, %l[] are accepted without warning.
+ */
+ scanf ("%lc%ls%l[abc]", ls, ls, ls);
+}
--- /dev/null
+/* Test for printf formats. Formats using C99 features, including cases
+ where C99 specifies some aspect of the format to be ignored or where
+ the behavior is undefined.
+*/
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1999 -pedantic -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (int i, unsigned int u, double d, char *s, void *p, int *n,
+ long double ld, wint_t lc, wchar_t *ls, long long int ll,
+ unsigned long long int ull, signed char *ss, unsigned char *us,
+ long long int *lln, intmax_t j, uintmax_t uj, intmax_t *jn,
+ size_t z, signed_size_t sz, signed_size_t *zn,
+ ptrdiff_t t, ptrdiff_t *tn)
+{
+ /* See ISO/IEC 9899:1999 (E) subclause 7.19.6.1 (pages 273-281).
+ We do not repeat here most of the checks for correct C90 formats
+ or completely broken formats.
+ */
+ /* Valid and invalid %h, %hh, %l, %j, %z, %t, %L constructions. */
+ printf ("%hf", d); /* { dg-warning "length" "bad use of %h" } */
+ printf ("%hF", d); /* { dg-warning "unknown|format" "bad use of %hF" } */
+ printf ("%he", d); /* { dg-warning "length" "bad use of %h" } */
+ printf ("%hE", d); /* { dg-warning "length" "bad use of %h" } */
+ printf ("%hg", d); /* { dg-warning "length" "bad use of %h" } */
+ printf ("%hG", d); /* { dg-warning "length" "bad use of %h" } */
+ printf ("%ha", d); /* { dg-warning "unknown|format" "bad use of %ha" } */
+ printf ("%hA", d); /* { dg-warning "unknown|format" "bad use of %hA" } */
+ printf ("%hc", i);
+ printf ("%hs", (short *)s);
+ printf ("%hp", p); /* { dg-warning "length" "bad use of %h" } */
+ printf ("%lc", lc);
+ printf ("%ls", ls);
+ printf ("%lp", p); /* { dg-warning "length|C" "bad use of %l" } */
+ /* Valid uses of each bare conversion. */
+ printf ("%d%i%o%u%x%X%f%e%E%g%G%c%s%p%n%%", i, i, u, u, u, u,
+ d, d, d, d, d, i, s, p, n);
+ /* Uses of the - flag (valid on all non-%, non-n conversions). */
+ printf ("%-d%-i%-o%-u%-x%-X%-f%-e%-E%-g%-G%-c%-s%-p", i, i,
+ u, u, u, u, d, d, d, d, d, i, s, p);
+ printf ("%-n", n); /* { dg-warning "flag" "bad use of %-n" } */
+ /* Uses of the + flag (valid on signed conversions only). */
+ printf ("%+d%+i%+f%+e%+E%+g%+G\n", i, i, d, d, d, d, d);
+ printf ("%+o", u); /* { dg-warning "flag" "bad use of + flag" } */
+ printf ("%+u", u); /* { dg-warning "flag" "bad use of + flag" } */
+ printf ("%+x", u); /* { dg-warning "flag" "bad use of + flag" } */
+ printf ("%+X", u); /* { dg-warning "flag" "bad use of + flag" } */
+ printf ("%+c", i); /* { dg-warning "flag" "bad use of + flag" } */
+ printf ("%+s", s); /* { dg-warning "flag" "bad use of + flag" } */
+ printf ("%+p", p); /* { dg-warning "flag" "bad use of + flag" } */
+ printf ("%+n", n); /* { dg-warning "flag" "bad use of + flag" } */
+ /* Uses of the space flag (valid on signed conversions only, and ignored
+ with +).
+ */
+ printf ("% +d", i); /* { dg-warning "use of both|ignored" "use of space and + flags" } */
+ printf ("%+ d", i); /* { dg-warning "use of both|ignored" "use of space and + flags" } */
+ printf ("% d% i% f% e% E% g% G\n", i, i, d, d, d, d, d);
+ printf ("% o", u); /* { dg-warning "flag" "bad use of space flag" } */
+ printf ("% u", u); /* { dg-warning "flag" "bad use of space flag" } */
+ printf ("% x", u); /* { dg-warning "flag" "bad use of space flag" } */
+ printf ("% X", u); /* { dg-warning "flag" "bad use of space flag" } */
+ printf ("% c", i); /* { dg-warning "flag" "bad use of space flag" } */
+ printf ("% s", s); /* { dg-warning "flag" "bad use of space flag" } */
+ printf ("% p", p); /* { dg-warning "flag" "bad use of space flag" } */
+ printf ("% n", n); /* { dg-warning "flag" "bad use of space flag" } */
+ /* Uses of the # flag. */
+ printf ("%#o%#x%#X%#e%#E%#f%#g%#G", u, u, u, d, d, d,
+ d, d);
+ printf ("%#d", i); /* { dg-warning "flag" "bad use of # flag" } */
+ printf ("%#i", i); /* { dg-warning "flag" "bad use of # flag" } */
+ printf ("%#u", u); /* { dg-warning "flag" "bad use of # flag" } */
+ printf ("%#c", i); /* { dg-warning "flag" "bad use of # flag" } */
+ printf ("%#s", s); /* { dg-warning "flag" "bad use of # flag" } */
+ printf ("%#p", p); /* { dg-warning "flag" "bad use of # flag" } */
+ printf ("%#n", n); /* { dg-warning "flag" "bad use of # flag" } */
+ /* Uses of the 0 flag. */
+ printf ("%08d%08i%08o%08u%08x%08X%08e%08E%08f%08g%08G", i, i,
+ u, u, u, u, d, d, d, d, d);
+ printf ("%0c", i); /* { dg-warning "flag" "bad use of 0 flag" } */
+ printf ("%0s", s); /* { dg-warning "flag" "bad use of 0 flag" } */
+ printf ("%0p", p); /* { dg-warning "flag" "bad use of 0 flag" } */
+ printf ("%0n", n); /* { dg-warning "flag" "bad use of 0 flag" } */
+ /* 0 flag ignored with - flag. */
+ printf ("%-08d", i); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ printf ("%-08i", i); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ printf ("%-08o", u); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ printf ("%-08u", u); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ printf ("%-08x", u); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ printf ("%-08X", u); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ printf ("%-08e", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ printf ("%-08E", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ printf ("%-08f", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ printf ("%-08F", d); /* { dg-warning "unknown|format" "0 flag ignored with - flag" } */
+ printf ("%-08g", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ printf ("%-08G", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
+ printf ("%-08a", d); /* { dg-warning "unknown|format" "0 flag ignored with - flag" } */
+ printf ("%-08A", d); /* { dg-warning "unknown|format" "0 flag ignored with - flag" } */
+ /* Various tests of bad argument types. Mostly covered in c90-printf-1.c;
+ here just test for pointer target sign with %hhn. (Probably allowed
+ by the standard, but a bad idea, so GCC should diagnose if what
+ is used is not signed char *.)
+ */
+ printf ("%hhn", s); /* { dg-warning "unknown|format" "%hhn is unsupported" } */
+ printf ("%hhn", us); /* { dg-warning "unknown|format" "%hhn is unsupported" } */
+}
--- /dev/null
+/* Test for printf formats. Formats using extensions to the standard
+ should be rejected in strict pedantic mode.
+*/
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1999 -pedantic -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (int i, long long ll, size_t z, wint_t lc, wchar_t *ls)
+{
+ /* The length modifiers q, Z and L as applied to integer formats are
+ extensions.
+ */
+ printf ("%qd", ll); /* { dg-warning "unknown|format" "%q length is unsupported" } */
+ printf ("%Ld", ll); /* { dg-warning "unknown|format" "%L length is unsupported" } */
+ printf ("%Zd", z); /* { dg-warning "unknown|format" "%Z length is unsupported" } */
+ /* The conversion specifiers C and S are X/Open extensions; the
+ conversion specifier m is a GNU extension.
+ */
+ printf ("%m"); /* { dg-warning "unknown" "printf %m is unsupported" } */
+ printf ("%C", lc); /* { dg-warning "C" "printf %C" } */
+ printf ("%S", ls); /* { dg-warning "C" "printf %S" } */
+ /* The flag character ', and the use of operand number $ formats, are
+ X/Open extensions.
+ */
+ printf ("%'d", i); /* { dg-warning "C" "printf ' flag" } */
+ printf ("%1$d", i); /* { dg-warning "C" "printf $ format" } */
+ printf ("%Ix", z); /* { dg-warning "C" "printf I format" } */
+}
--- /dev/null
+/* Test for printf formats. Test that the C99 functions get their default
+ attributes in strict C99 mode, but the gettext functions do not.
+*/
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1999 -pedantic -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (int i, char *s, size_t n, va_list v0, va_list v1, va_list v2, va_list v3,
+ va_list v4, va_list v5, va_list v6, va_list v7)
+{
+ fprintf (stdout, "%d", i);
+ fprintf (stdout, "%ld", i); /* { dg-warning "format" "fprintf" } */
+ printf ("%d", i);
+ printf ("%ld", i); /* { dg-warning "format" "printf" } */
+ /* The "unlocked" functions shouldn't warn in c99 mode. */
+ fprintf_unlocked (stdout, "%ld", i);
+ printf_unlocked ("%ld", i);
+ sprintf (s, "%d", i);
+ sprintf (s, "%ld", i); /* { dg-warning "format" "sprintf" } */
+ snprintf (s, n, "%d", i);
+ snprintf (s, n, "%ld", i); /* { dg-warning "format" "snprintf" } */
+ vfprintf (stdout, "%d", v0);
+ vfprintf (stdout, "%Y", v1); /* { dg-warning "format" "vfprintf" } */
+ vprintf ("%d", v0);
+ vprintf ("%Y", v1); /* { dg-warning "format" "vprintf" } */
+ vsprintf (s, "%d", v0);
+ vsprintf (s, "%Y", v1); /* { dg-warning "format" "vsprintf" } */
+ vsnprintf (s, n, "%d", v0);
+ vsnprintf (s, n, "%Y", v1); /* { dg-warning "format" "vsnprintf" } */
+ printf (gettext ("%d"), i);
+ printf (gettext ("%ld"), (long) i);
+ printf (dgettext ("", "%d"), i);
+ printf (dgettext ("", "%ld"), (long) i);
+ printf (dcgettext ("", "%d", 0), i);
+ printf (dcgettext ("", "%ld", 0), (long) i);
+}
--- /dev/null
+/* Test for scanf formats. Formats using C99 features, including cases
+ where C99 specifies some aspect of the format to be ignored or where
+ the behavior is undefined.
+*/
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1999 -pedantic -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (int *ip, unsigned int *uip, short int *hp, unsigned short int *uhp,
+ signed char *hhp, unsigned char *uhhp, long int *lp,
+ unsigned long int *ulp, float *fp, double *dp, long double *ldp, char *s,
+ void **pp, int *n, long long *llp, unsigned long long *ullp, wchar_t *ls,
+ short int *hn, signed char *hhn, long int *ln, long long int *lln,
+ intmax_t *jp, uintmax_t *ujp, intmax_t *jn, size_t *zp,
+ signed_size_t *szp, signed_size_t *zn, ptrdiff_t *tp,
+ unsigned_ptrdiff_t *utp, ptrdiff_t *tn)
+{
+ /* See ISO/IEC 9899:1999 (E) subclause 7.19.6.2 (pages 281-288).
+ We do not repeat here most of the checks for correct C90 formats
+ or completely broken formats.
+ */
+ /* Valid, invalid and silly assignment-suppression
+ and width constructions.
+ */
+ scanf ("%*d%*i%*o%*u%*x%*X%*e%*E%*f%*g%*G%*s%*[abc]%*c%*p");
+ scanf ("%*2d%*8s%*3c");
+ scanf ("%*n", n); /* { dg-warning "suppress" "suppression of %n" } */
+ scanf ("%*hd"); /* { dg-warning "together" "suppression with length" } */
+ scanf ("%2d%3i%4o%5u%6x%7X%10e%11E%12f%14g%15G%16s%3[abc]%4c%5p",
+ ip, ip, uip, uip, uip, uip, fp, fp, fp, fp, fp,
+ s, s, s, pp);
+ scanf ("%0d", ip); /* { dg-warning "width" "warning for zero width" } */
+ scanf ("%3n", n); /* { dg-warning "width" "width with %n" } */
+ /* Valid and invalid %h, %hh, %l, %j, %z, %t, %L constructions. */
+ scanf ("%hd%hi%ho%hu%hx%hX%hn", hp, hp, uhp, uhp, uhp, uhp, hn);
+ scanf ("%he", fp); /* { dg-warning "length" "bad use of %h" } */
+ scanf ("%hE", fp); /* { dg-warning "length" "bad use of %h" } */
+ scanf ("%hf", fp); /* { dg-warning "length" "bad use of %h" } */
+ scanf ("%hg", fp); /* { dg-warning "length" "bad use of %h" } */
+ scanf ("%hG", fp); /* { dg-warning "length" "bad use of %h" } */
+ scanf ("%hs", hp);
+ scanf ("%h[ac]", s); /* { dg-warning "length" "bad use of %h" } */
+ scanf ("%hc", (short *)s);
+ scanf ("%hp", pp); /* { dg-warning "length" "bad use of %h" } */
+ scanf ("%hhd", hhp); /* { dg-warning "unknown|format" "%hh is unsupported" } */
+ scanf ("%ld%li%lo%lu%lx%lX%ln", lp, lp, ulp, ulp, ulp, ulp, ln);
+ scanf ("%le%lE%lf%lg%lG", dp, dp, dp, dp, dp);
+ scanf ("%lp", pp); /* { dg-warning "length" "bad use of %l" } */
+ scanf ("%ls", ls);
+ scanf ("%l[ac]", ls);
+ scanf ("%lc", ls);
+ scanf ("%jd", jp); /* { dg-warning "unknown|format" "%j not supported" } */
+ scanf ("%zd", zp); /* { dg-warning "unknown|format" "%z not supported" } */
+ scanf ("%td", tp); /* { dg-warning "unknown|format" "%t not supported" } */
+ scanf ("%Lf", llp); /* { dg-warning "unknown|format" "bad use of %L is not supported" } */
+ /* Valid uses of each bare conversion. */
+ scanf ("%d%i%o%u%x%X%e%E%f%g%G%s%[abc]%c%p%n%%", ip, ip, uip, uip, uip,
+ uip, fp, fp, fp, fp, fp, s, s, s, pp, n);
+}
--- /dev/null
+/* Test for scanf formats. Formats using extensions to the standard
+ should be rejected in strict pedantic mode.
+*/
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1999 -pedantic -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (int *ip, long long int *llp, wchar_t *ls)
+{
+ /* The length modifiers q and L as applied to integer formats are
+ extensions.
+ */
+ scanf ("%qd", llp); /* { dg-warning "unknown|format" "%q is unsupported" } */
+ scanf ("%Ld", llp); /* { dg-warning "unknown|format" "%L is unsupported" } */
+ /* The conversion specifiers C and S are X/Open extensions. */
+ scanf ("%C", ls); /* { dg-warning "C" "scanf %C" } */
+ scanf ("%S", ls); /* { dg-warning "C" "scanf %S" } */
+ /* The use of operand number $ formats is an X/Open extension. */
+ scanf ("%1$d", ip); /* { dg-warning "C" "scanf $ format" } */
+ /* glibc also supports flags ' and I on scanf formats as an extension. */
+ scanf ("%'d", ip); /* { dg-warning "C" "scanf ' flag" } */
+ scanf ("%Id", (ssize_t *)ip); /* { dg-warning "C" "scanf I flag" } */
+}
--- /dev/null
+/* Test for scanf formats. Test that the C99 functions get their default
+ attributes in strict C99 mode, but the gettext functions do not.
+*/
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1999 -pedantic -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (int *ip, char *s, va_list v0, va_list v1, va_list v2, va_list v3,
+ va_list v4, va_list v5)
+{
+ fscanf (stdin, "%d", ip);
+ fscanf (stdin, "%ld", ip); /* { dg-warning "format" "fscanf" } */
+ scanf ("%d", ip);
+ scanf ("%ld", ip); /* { dg-warning "format" "scanf" } */
+ sscanf (s, "%d", ip);
+ sscanf (s, "%ld", ip); /* { dg-warning "format" "sscanf" } */
+ vfscanf (stdin, "%d", v0);
+ vfscanf (stdin, "%Y", v1); /* { dg-warning "format" "vfscanf" } */
+ vscanf ("%d", v2);
+ vscanf ("%Y", v3); /* { dg-warning "format" "vscanf" } */
+ vsscanf (s, "%d", v4);
+ vsscanf (s, "%Y", v5); /* { dg-warning "format" "vsscanf" } */
+ scanf (gettext ("%d"), ip);
+ scanf (gettext ("%ld"), ip);
+ scanf (dgettext ("", "%d"), ip);
+ scanf (dgettext ("", "%ld"), ip);
+ scanf (dcgettext ("", "%d", 0), ip);
+ scanf (dcgettext ("", "%ld", 0), ip);
+}
--- /dev/null
+/* Test for scanf formats. Formats using extensions to the standard
+ should be rejected in strict pedantic mode.
+*/
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1999 -pedantic -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (char **sp, wchar_t **lsp)
+{
+ /* m assignment-allocation modifier, recognized in both C90
+ and C99 modes, is a POSIX and ISO/IEC WDTR 24731-2 extension. */
+ scanf ("%ms", sp); /* { dg-warning "unknown|format" "%ms is unsupported" } */
+ scanf ("%mS", lsp); /* { dg-warning "unknown|format" "%mS is unsupported" } */
+ scanf ("%mls", lsp); /* { dg-warning "unknown|format" "%mls is unsupported" } */
+ scanf ("%m[bcd]", sp); /* { dg-warning "unknown|format" "%m[] is unsupported" } */
+ scanf ("%ml[bcd]", lsp); /* { dg-warning "unknown|format" "%ml[] is unsupported" } */
+}
--- /dev/null
+/* Test for strftime formats. Formats using C99 features. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1999 -pedantic -Wformat -Wformat-y2k" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (char *s, size_t m, const struct tm *tp)
+{
+ /* See ISO/IEC 9899:1990 (E) subclause 7.12.3.5 (pages 174-175). */
+ /* Formats which are Y2K-compliant (no 2-digit years). */
+ strftime (s, m, "%a%A%b%B%d%H%I%j%m%M%p%S%U%w%W%X%Y%z%Z%%", tp);
+ /* Formats with 2-digit years. */
+ strftime (s, m, "%y", tp); /* { dg-warning "only last 2" "2-digit year" } */
+ /* Formats with 2-digit years in some locales. */
+ strftime (s, m, "%c", tp); /* { dg-warning "some locales" "2-digit year" } */
+ strftime (s, m, "%x", tp); /* { dg-warning "some locales" "2-digit year" } */
+}
--- /dev/null
+/* Test for strftime formats. Rejection of extensions in pedantic mode. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1999 -pedantic -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (char *s, size_t m, const struct tm *tp)
+{
+ /* %P is a lowercase version of %p. */
+ strftime (s, m, "%P", tp); /* { dg-warning "unknown" "strftime %P" } */
+ /* %k is %H but padded with a space rather than 0 if necessary. */
+ strftime (s, m, "%k", tp); /* { dg-warning "unknown" "strftime %k" } */
+ /* %l is %I but padded with a space rather than 0 if necessary. */
+ strftime (s, m, "%l", tp); /* { dg-warning "unknown" "strftime %l" } */
+ /* %s is the number of seconds since the Epoch. */
+ strftime (s, m, "%s", tp); /* { dg-warning "unknown" "strftime %s" } */
+}
--- /dev/null
+/* Test for strings cast through integer types: should not be treated
+ as format strings unless the types are of the same width as
+ pointers (intptr_t or similar). */
+/* Origin: Joseph Myers <joseph@codesourcery.com> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+f (int x)
+{
+ printf("%s", x); /* { dg-warning "format" } */
+ printf((char *)(size_t)"%s", x); /* { dg-warning "format" } */
+ printf((char *)(char)"%s", x); /* { dg-warning "cast from pointer to integer of different size" } */
+}
--- /dev/null
+/* Test for warnings for missing format attributes. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wmissing-format-attribute" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (const char *fmt, ...)
+{
+ va_list ap;
+ va_start (ap, fmt);
+ vprintf (fmt, ap); /* { dg-warning "candidate" "printf attribute warning" } */
+ va_end (ap);
+}
+
+void
+bar (const char *fmt, ...)
+{
+ va_list ap;
+ va_start (ap, fmt);
+ vscanf (fmt, ap); /* { dg-warning "candidate" "scanf attribute warning" } */
+ va_end (ap);
+}
+
+__attribute__((__format__(__ms_printf__, 1, 2))) void
+foo2 (const char *fmt, ...)
+{
+ va_list ap;
+ va_start (ap, fmt);
+ vprintf (fmt, ap);
+ va_end (ap);
+}
+
+void
+vfoo (const char *fmt, va_list arg)
+{
+ vprintf (fmt, arg); /* { dg-warning "candidate" "printf attribute warning 2" } */
+}
--- /dev/null
+/* Test for warnings for missing format attributes. Don't warn if no
+ relevant parameters for a format attribute; see c/1017. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wmissing-format-attribute" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (int i, ...)
+{
+ va_list ap;
+ va_start (ap, i);
+ vprintf ("Foo %s bar %s", ap); /* { dg-bogus "candidate" "bogus printf attribute warning" } */
+ va_end (ap);
+}
--- /dev/null
+/* Test warnings for missing format attributes on function pointers. */
+/* Origin: Kaveh Ghazi <ghazi@caip.rutgers.edu> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wmissing-format-attribute" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+typedef void (*noattr_t) (const char *, ...);
+typedef noattr_t __attribute__ ((__format__(__ms_printf__, 1, 2))) attr_t;
+
+typedef void (*vnoattr_t) (const char *, va_list);
+typedef vnoattr_t __attribute__ ((__format__(__ms_printf__, 1, 0))) vattr_t;
+
+void
+foo1 (noattr_t na, attr_t a, vnoattr_t vna, vattr_t va)
+{
+ noattr_t na1 = na;
+ noattr_t na2 = a; /* { dg-warning "candidate" "initialization warning" } */
+ attr_t a1 = na;
+ attr_t a2 = a;
+
+ vnoattr_t vna1 = vna;
+ vnoattr_t vna2 = va; /* { dg-warning "candidate" "initialization warning" } */
+ vattr_t va1 = vna;
+ vattr_t va2 = va;
+}
--- /dev/null
+/* Test warnings for missing format attributes on function pointers. */
+/* Origin: Kaveh Ghazi <ghazi@caip.rutgers.edu> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wmissing-format-attribute" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+typedef void (*noattr_t) (const char *, ...);
+typedef noattr_t __attribute__ ((__format__(__ms_printf__, 1, 2))) attr_t;
+
+typedef void (*vnoattr_t) (const char *, va_list);
+typedef vnoattr_t __attribute__ ((__format__(__ms_printf__, 1, 0))) vattr_t;
+
+void
+foo1 (noattr_t na, attr_t a, vnoattr_t vna, vattr_t va)
+{
+ noattr_t na1, na2;
+ attr_t a1, a2;
+
+ vnoattr_t vna1, vna2;
+ vattr_t va1, va2;
+
+ na1 = na;
+ na2 = a; /* { dg-warning "candidate" "assignment warning" } */
+ a1 = na;
+ a2 = a;
+
+ vna1 = vna;
+ vna2 = va; /* { dg-warning "candidate" "assignment warning" } */
+ va1 = vna;
+ va1 = va;
+}
--- /dev/null
+/* Test warnings for missing format attributes on function pointers. */
+/* Origin: Kaveh Ghazi <ghazi@caip.rutgers.edu> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wmissing-format-attribute" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+typedef void (*noattr_t) (const char *, ...);
+typedef noattr_t __attribute__ ((__format__(__ms_printf__, 1, 2))) attr_t;
+
+typedef void (*vnoattr_t) (const char *, va_list);
+typedef vnoattr_t __attribute__ ((__format__(__ms_printf__, 1, 0))) vattr_t;
+
+noattr_t
+foo1 (noattr_t na, attr_t a, int i)
+{
+ if (i)
+ return na;
+ else
+ return a; /* { dg-warning "candidate" "return type warning" } */
+}
+
+attr_t
+foo2 (noattr_t na, attr_t a, int i)
+{
+ if (i)
+ return na;
+ else
+ return a;
+}
+
+vnoattr_t
+foo3 (vnoattr_t vna, vattr_t va, int i)
+{
+ if (i)
+ return vna;
+ else
+ return va; /* { dg-warning "candidate" "return type warning" } */
+}
+
+vattr_t
+foo4 (vnoattr_t vna, vattr_t va, int i)
+{
+ if (i)
+ return vna;
+ else
+ return va;
+}
--- /dev/null
+/* Test warnings for missing format attributes on function pointers. */
+/* Origin: Kaveh Ghazi <ghazi@caip.rutgers.edu> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wmissing-format-attribute" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+typedef void (*noattr_t) (const char *, ...);
+typedef noattr_t __attribute__ ((__format__(__ms_printf__, 1, 2))) attr_t;
+
+typedef void (*vnoattr_t) (const char *, va_list);
+typedef vnoattr_t __attribute__ ((__format__(__ms_printf__, 1, 0))) vattr_t;
+
+extern void foo1 (noattr_t);
+extern void foo2 (attr_t);
+extern void foo3 (vnoattr_t);
+extern void foo4 (vattr_t);
+
+void
+foo (noattr_t na, attr_t a, vnoattr_t vna, vattr_t va)
+{
+ foo1 (na);
+ foo1 (a); /* { dg-warning "candidate" "parameter passing warning" } */
+ foo2 (na);
+ foo2 (a);
+
+ foo3 (vna);
+ foo3 (va); /* { dg-warning "candidate" "parameter passing warning" } */
+ foo4 (vna);
+ foo4 (va);
+}
--- /dev/null
+/* Test for multiple format attributes. Test for printf and scanf attributes
+ together. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+/* If we specify multiple attributes for a single function, they should
+ all apply. This should apply whether they are on the same declaration
+ or on different declarations. */
+
+extern void my_vprintf_scanf (const char *, va_list, const char *, ...)
+ __attribute__((__format__(__ms_printf__, 1, 0)))
+ __attribute__((__format__(__ms_scanf__, 3, 4)));
+
+extern void my_vprintf_scanf2 (const char *, va_list, const char *, ...)
+ __attribute__((__format__(__ms_scanf__, 3, 4)))
+ __attribute__((__format__(__ms_printf__, 1, 0)));
+
+extern void my_vprintf_scanf3 (const char *, va_list, const char *, ...)
+ __attribute__((__format__(__ms_printf__, 1, 0)));
+extern void my_vprintf_scanf3 (const char *, va_list, const char *, ...)
+ __attribute__((__format__(__ms_scanf__, 3, 4)));
+
+extern void my_vprintf_scanf4 (const char *, va_list, const char *, ...)
+ __attribute__((__format__(__ms_scanf__, 3, 4)));
+extern void my_vprintf_scanf4 (const char *, va_list, const char *, ...)
+ __attribute__((__format__(__ms_printf__, 1, 0)));
+
+void
+foo (va_list ap, int *ip, long *lp)
+{
+ my_vprintf_scanf ("%d", ap, "%d", ip);
+ my_vprintf_scanf ("%d", ap, "%ld", lp);
+ my_vprintf_scanf ("%", ap, "%d", ip); /* { dg-warning "format" "printf" } */
+ my_vprintf_scanf ("%d", ap, "%ld", ip); /* { dg-warning "format" "scanf" } */
+ my_vprintf_scanf2 ("%d", ap, "%d", ip);
+ my_vprintf_scanf2 ("%d", ap, "%ld", lp);
+ my_vprintf_scanf2 ("%", ap, "%d", ip); /* { dg-warning "format" "printf" } */
+ my_vprintf_scanf2 ("%d", ap, "%ld", ip); /* { dg-warning "format" "scanf" } */
+ my_vprintf_scanf3 ("%d", ap, "%d", ip);
+ my_vprintf_scanf3 ("%d", ap, "%ld", lp);
+ my_vprintf_scanf3 ("%", ap, "%d", ip); /* { dg-warning "format" "printf" } */
+ my_vprintf_scanf3 ("%d", ap, "%ld", ip); /* { dg-warning "format" "scanf" } */
+ my_vprintf_scanf4 ("%d", ap, "%d", ip);
+ my_vprintf_scanf4 ("%d", ap, "%ld", lp);
+ my_vprintf_scanf4 ("%", ap, "%d", ip); /* { dg-warning "format" "printf" } */
+ my_vprintf_scanf4 ("%d", ap, "%ld", ip); /* { dg-warning "format" "scanf" } */
+}
--- /dev/null
+/* Test for multiple format attributes. Test for printf and scanf attributes
+ together, in different places on the declarations. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+/* If we specify multiple attributes for a single function, they should
+ all apply, wherever they are placed on the declarations. */
+
+extern __attribute__((__format__(__ms_printf__, 1, 0))) void
+ my_vprintf_scanf (const char *, va_list, const char *, ...)
+ __attribute__((__format__(__ms_scanf__, 3, 4)));
+
+extern void (__attribute__((__format__(__ms_printf__, 1, 0))) my_vprintf_scanf2)
+ (const char *, va_list, const char *, ...)
+ __attribute__((__format__(__ms_scanf__, 3, 4)));
+
+extern __attribute__((__format__(__ms_scanf__, 3, 4))) void
+ (__attribute__((__format__(__ms_printf__, 1, 0))) my_vprintf_scanf3)
+ (const char *, va_list, const char *, ...);
+
+void
+foo (va_list ap, int *ip, long *lp)
+{
+ my_vprintf_scanf ("%d", ap, "%d", ip);
+ my_vprintf_scanf ("%d", ap, "%ld", lp);
+ my_vprintf_scanf ("%", ap, "%d", ip); /* { dg-warning "format" "printf" } */
+ my_vprintf_scanf ("%d", ap, "%ld", ip); /* { dg-warning "format" "scanf" } */
+ my_vprintf_scanf2 ("%d", ap, "%d", ip);
+ my_vprintf_scanf2 ("%d", ap, "%ld", lp);
+ my_vprintf_scanf2 ("%", ap, "%d", ip); /* { dg-warning "format" "printf" } */
+ my_vprintf_scanf2 ("%d", ap, "%ld", ip); /* { dg-warning "format" "scanf" } */
+ my_vprintf_scanf3 ("%d", ap, "%d", ip);
+ my_vprintf_scanf3 ("%d", ap, "%ld", lp);
+ my_vprintf_scanf3 ("%", ap, "%d", ip); /* { dg-warning "format" "printf" } */
+ my_vprintf_scanf3 ("%d", ap, "%ld", ip); /* { dg-warning "format" "scanf" } */
+}
--- /dev/null
+/* Test for multiple format_arg attributes. Test for both branches
+ getting checked. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+extern char *ngettext (const char *, const char *, unsigned long int)
+ __attribute__((__format_arg__(1))) __attribute__((__format_arg__(2)));
+
+void
+foo (long l, int nfoo)
+{
+ printf (ngettext ("%d foo", "%d foos", nfoo), nfoo);
+ printf (ngettext ("%d foo", "%d foos", l), l); /* { dg-warning "int" "wrong type in conditional expr" } */
+ printf (ngettext ("%d foo", "%ld foos", l), l); /* { dg-warning "int" "wrong type in conditional expr" } */
+ printf (ngettext ("%ld foo", "%d foos", l), l); /* { dg-warning "int" "wrong type in conditional expr" } */
+ /* Should allow one case to have extra arguments. */
+ printf (ngettext ("1 foo", "%d foos", nfoo), nfoo);
+ printf (ngettext ("1 foo", "many foos", nfoo), nfoo); /* { dg-warning "too many" "too many args in all branches" } */
+ printf (ngettext ("", "%d foos", nfoo), nfoo);
+ printf (ngettext ("1 foo", (nfoo > 0) ? "%d foos" : "no foos", nfoo), nfoo);
+ printf (ngettext ("%d foo", (nfoo > 0) ? "%d foos" : "no foos", nfoo), nfoo);
+ printf (ngettext ("%ld foo", (nfoo > 0) ? "%d foos" : "no foos", nfoo), nfoo); /* { dg-warning "long int" "wrong type" } */
+ printf (ngettext ("%d foo", (nfoo > 0) ? "%ld foos" : "no foos", nfoo), nfoo); /* { dg-warning "long int" "wrong type" } */
+ printf (ngettext ("%d foo", (nfoo > 0) ? "%d foos" : "%ld foos", nfoo), nfoo); /* { dg-warning "long int" "wrong type" } */
+}
--- /dev/null
+/* Test for warnings for extra format arguments being disabled by
+ -Wno-format-extra-args. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wformat -Wno-format-extra-args" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (int i)
+{
+ printf ("foo", i);
+ printf ("%1$d", i, i);
+}
--- /dev/null
+/* Test for warnings for extra format arguments being disabled by
+ -Wno-format-extra-args. Test which warnings still apply with $
+ operand numbers. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wformat -Wno-format-extra-args" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (int i, int *ip, va_list va)
+{
+ printf ("%3$d%1$d", i, i, i); /* { dg-warning "before used" "unused $ operand" } */
+ printf ("%2$d%1$d", i, i, i);
+ vprintf ("%3$d%1$d", va); /* { dg-warning "before used" "unused $ operand" } */
+ /* With scanf formats, gaps in the used arguments are allowed only if the
+ arguments are all pointers. In such a case, should only give the lesser
+ warning about unused arguments rather than the more serious one about
+ argument gaps. */
+ scanf ("%3$d%1$d", ip, ip, ip);
+ /* If there are non-pointer arguments unused at the end, this is also OK. */
+ scanf ("%3$d%1$d", ip, ip, ip, i);
+ scanf ("%3$d%1$d", ip, i, ip); /* { dg-warning "before used" "unused $ scanf non-pointer operand" } */
+ /* Can't check the arguments in the vscanf case, so should suppose the
+ lesser problem. */
+ vscanf ("%3$d%1$d", va);
+}
--- /dev/null
+/* Test for warnings for Y2K problems not being on by default. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (char *s, size_t m, const struct tm *tp)
+{
+ strftime (s, m, "%y%c%x", tp);
+}
--- /dev/null
+/* Test for warnings for non-string-literal formats. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wformat -Wformat-nonliteral" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (char *s, size_t i)
+{
+ printf ((const char *)i, i); /* { dg-warning "argument types" "non-literal" } */
+ printf (s, i); /* { dg-warning "argument types" "non-literal" } */
+}
--- /dev/null
+/* Test for warnings for non-string-literal formats. Test with -Wformat=2. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wformat=2" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (char *s, size_t i)
+{
+ printf ((const char *)i, i); /* { dg-warning "argument types" "non-literal" } */
+ printf (s, i); /* { dg-warning "argument types" "non-literal" } */
+}
--- /dev/null
+/* Test for warnings for non-string-literal formats. Test for strftime formats. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wformat -Wformat-nonliteral" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (char *s, size_t m, const struct tm *tp, char *fmt)
+{
+ strftime (s, m, fmt, tp); /* { dg-warning "format string" "non-literal" } */
+}
--- /dev/null
+/* Test diagnostics for suppressing contains nul
+ -Wformat. -Wformat. */
+/* Origin: Bruce Korb <bkorb@gnu.org> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-Wformat -Wno-format-contains-nul" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (void)
+{
+ static char const fmt[] = "x%s\0%s\n\0abc";
+ printf (fmt+4, fmt+8); /* { dg-bogus "embedded.*in format" "bogus embed warning" } */
+}
--- /dev/null
+/* Test diagnostics for options used on their own without
+ -Wformat. -Wformat-. */
+/* Origin: Bruce Korb <bkorb@gnu.org> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-Wformat" } */
+
+/* { dg-warning "embedded .* in format" "ignored" { target *-*-* } 0 } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+fumble (void)
+{
+ static char const fmt[] = "x%s\0%s\n\0abc";
+ printf (fmt+4, fmt+8);
+}
--- /dev/null
+/* Test for some aspects of null format string handling. */
+/* Origin: Jason Thorpe <thorpej@wasabisystems.com> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+extern void my_printf (const char *, ...) __attribute__((format(ms_printf,1,2)));
+extern const char *my_format (const char *, const char *)
+ __attribute__((format_arg(2)));
+
+void
+foo (int i1)
+{
+ /* Warning about a null format string has been decoupled from the actual
+ format check. However, we still expect to be warned about any excess
+ arguments after a null format string. */
+ my_printf (NULL);
+ my_printf (NULL, i1); /* { dg-warning "too many" "null format with arguments" } */
+
+ my_printf (my_format ("", NULL));
+ my_printf (my_format ("", NULL), i1); /* { dg-warning "too many" "null format_arg with arguments" } */
+
+ /* While my_printf allows a null argument, dgettext does not, so we expect
+ a null argument warning here. */
+ my_printf (dgettext ("", NULL)); /* { dg-warning "null" "null format with dgettext" } */
+}
--- /dev/null
+/* Test for printf formats using string literal plus constant.
+ */
+/* Origin: Jakub Jelinek <jakub@redhat.com> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1990 -pedantic -Wformat=2" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (int i)
+{
+ printf ("%%d\n" + 1, i);
+ printf (5 + "%.-*d%3d\n", i);
+ printf ("%d%d" + 2, i, i); /* { dg-warning "arguments" "wrong number of args" } */
+ printf (3 + "%d\n"); /* { dg-warning "zero-length" "zero-length string" } */
+ printf ("%d\n" + i, i); /* { dg-warning "not a string" "non-constant addend" } */
+ printf ("%d\n" + 10); /* { dg-warning "not a string" "too large addend" } */
+ printf ("%d\n" - 1, i); /* { dg-warning "not a string" "minus constant" } */
+ printf ("%d\n" + -1, i); /* { dg-warning "not a string" "negative addend" } */
+}
--- /dev/null
+/* Test for security warning when non-literal format has no arguments. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu99 -Wformat -Wformat-security" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (char *s)
+{
+ printf (s); /* { dg-warning "no format arguments" "security warning" } */
+}
--- /dev/null
+/* Test for warnings with possibly unnamed integer types. Bug 24329. */
+/* Origin: Joseph Myers <joseph@codesourcery.com> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-Wformat" } */
+/* { dg-options "-Wformat -msse" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+/* Definition of TItype follows same logic as in gcc.dg/titype-1.c,
+ but must be a #define to avoid giving the type a name. */
+#if defined(__LP64__) && !defined(__hppa__)
+#define TItype int __attribute__ ((mode (TI)))
+#else
+#define TItype long
+#endif
+
+void
+f (TItype x)
+{
+ printf("%d", x); /* { dg-warning "expects type" } */
+ printf("%d", 141592653589793238462643383279502884197169399375105820974944); /* { dg-warning "expects type" } */
+ /* { dg-warning "unsigned only|too large" "constant" { target *-*-* } 22 } */
+}
--- /dev/null
+/* Test for strange warning in format checking. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-Wformat" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (void *p)
+{
+ printf ("%d", p); /* { dg-bogus "va_list" "wrong type in format warning" } */
+ /* { dg-warning "format" "format error" { target *-*-* } 12 } */
+}
--- /dev/null
+/* Test the -Wno-format-zero-length option, which suppresses warnings
+ about zero-length formats. */
+/* Origin: Jason Thorpe <thorpej@wasabisystems.com> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1990 -pedantic -Wformat -Wno-format-zero-length" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (void)
+{
+ /* See ISO/IEC 9899:1990 (E) subclause 7.9.6.1 (pages 131-134). */
+ /* Zero-length format strings are allowed. */
+ printf ("");
+}
/* { dg-do compile } */
/* { dg-options "-std=gnu99 -Wformat" } */
+#define DONT_GNU_PROTOTYPE
#include "format.h"
/* If we specify multiple attributes for a single function, they should
or on different declarations. */
extern void my_vprintf_scanf (const char *, va_list, const char *, ...)
- __attribute__((__format__(__printf__, 1, 0)))
- __attribute__((__format__(__scanf__, 3, 4)));
+ __attribute__((__format__(gnu_attr___printf__, 1, 0)))
+ __attribute__((__format__(gnu_attr___scanf__, 3, 4)));
extern void my_vprintf_scanf2 (const char *, va_list, const char *, ...)
- __attribute__((__format__(__scanf__, 3, 4)))
- __attribute__((__format__(__printf__, 1, 0)));
+ __attribute__((__format__(gnu_attr___scanf__, 3, 4)))
+ __attribute__((__format__(gnu_attr___printf__, 1, 0)));
extern void my_vprintf_scanf3 (const char *, va_list, const char *, ...)
- __attribute__((__format__(__printf__, 1, 0)));
+ __attribute__((__format__(gnu_attr___printf__, 1, 0)));
extern void my_vprintf_scanf3 (const char *, va_list, const char *, ...)
- __attribute__((__format__(__scanf__, 3, 4)));
+ __attribute__((__format__(gnu_attr___scanf__, 3, 4)));
extern void my_vprintf_scanf4 (const char *, va_list, const char *, ...)
- __attribute__((__format__(__scanf__, 3, 4)));
+ __attribute__((__format__(gnu_attr___scanf__, 3, 4)));
extern void my_vprintf_scanf4 (const char *, va_list, const char *, ...)
- __attribute__((__format__(__printf__, 1, 0)));
+ __attribute__((__format__(gnu_attr___printf__, 1, 0)));
void
foo (va_list ap, int *ip, long *lp)
/* { dg-do compile } */
/* { dg-options "-std=gnu99 -Wformat" } */
+#define DONT_GNU_PROTOTYPE
#include "format.h"
/* If we specify multiple attributes for a single function, they should
all apply, wherever they are placed on the declarations. */
-extern __attribute__((__format__(__printf__, 1, 0))) void
+extern __attribute__((__format__(gnu_attr___printf__, 1, 0))) void
my_vprintf_scanf (const char *, va_list, const char *, ...)
- __attribute__((__format__(__scanf__, 3, 4)));
+ __attribute__((__format__(gnu_attr___scanf__, 3, 4)));
-extern void (__attribute__((__format__(__printf__, 1, 0))) my_vprintf_scanf2)
+extern void (__attribute__((__format__(gnu_attr___printf__, 1, 0))) my_vprintf_scanf2)
(const char *, va_list, const char *, ...)
- __attribute__((__format__(__scanf__, 3, 4)));
+ __attribute__((__format__(gnu_attr___scanf__, 3, 4)));
-extern __attribute__((__format__(__scanf__, 3, 4))) void
- (__attribute__((__format__(__printf__, 1, 0))) my_vprintf_scanf3)
+extern __attribute__((__format__(gnu_attr___scanf__, 3, 4))) void
+ (__attribute__((__format__(gnu_attr___printf__, 1, 0))) my_vprintf_scanf3)
(const char *, va_list, const char *, ...);
void
/* { dg-do compile } */
/* { dg-options "-std=gnu99 -Wformat" } */
+#define DONT_GNU_PROTOTYPE
#include "format.h"
-extern void my_printf (const char *, ...) __attribute__((format(printf,1,2)));
+extern void my_printf (const char *, ...) __attribute__((format(gnu_attr_printf,1,2)));
extern const char *my_format (const char *, const char *)
__attribute__((format_arg(2)));
--- /dev/null
+/* Test system default printf formatter specifiers. */
+/* Origin: Kai Tietz <KaiTietz.@onevision.com> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=gnu89" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+__attribute__((format(printf, 1, 2))) void foo (const char *, ...);
+
+void bar (long long v1, long v2, int v3)
+{
+ foo ("%I64d %I32d %ld %d\n", v1, v2, v2, v3);
+}
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