parameter for * width until after operand number has been read,
and only check for it if format parameters are available.
Fixes PR c/6547.
testsuite:
* gcc.dg/format/xopen-2.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53118
138bc75d-0d04-0410-961f-
82ee72b054a4
+2002-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-format.c (check_format_info_main): Don't check for presence of
+ parameter for * width until after operand number has been read,
+ and only check for it if format parameters are available.
+ Fixes PR c/6547.
+
2002-05-03 Jason Thorpe <thorpej@wasabisystems.com>
* config/alpha/netbsd.h (CPP_PREDEFINES): Add -D_LP64.
/* "...a field width...may be indicated by an asterisk.
In this case, an int argument supplies the field width..." */
++format_chars;
- if (params == 0)
- {
- status_warning (status, "too few arguments for format");
- return;
- }
if (has_operand_number != 0)
{
int opnum;
}
if (info->first_arg_num != 0)
{
+ if (params == 0)
+ {
+ status_warning (status, "too few arguments for format");
+ return;
+ }
cur_param = TREE_VALUE (params);
if (has_operand_number <= 0)
{
+2002-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gcc.dg/format/xopen-2.c: New test.
+
2002-05-03 Jakub Jelinek <jakub@redhat.com>
* gcc.dg/20020503-1.c: New test.
--- /dev/null
+/* Test for X/Open format extensions, as found in the
+ Single Unix Specification. Test for bug reported by
+ Pierre-Canalsat PETIT <pierrecanalsat.petit.canalsat@canal-plus.com>
+ in PR c/6547. The test for absence of a parameter for a * width was done
+ too early in the case of operand numbers and vprintf formats.
+*/
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile } */
+/* { dg-options "-std=gnu99 -Wformat" } */
+
+#include "format.h"
+
+void vbar (va_list, const char *) __attribute__((__format__(__printf__, 2, 0)));
+
+void
+foo (int i, int j, va_list va)
+{
+ printf("%2$*1$c", i, j);
+ printf("%2$*1$c %2$*1$c", i, j); /* { dg-bogus "too few" "bogus too few dollar" } */
+ vbar(va, "%*s"); /* { dg-bogus "too few" "bogus too few vprintf" } */
+}