/* Function declarations for libiberty.
- Copyright 2001 Free Software Foundation, Inc.
+ Copyright 2001, 2002 Free Software Foundation, Inc.
Note - certain prototypes declared in this header file are for
functions whoes implementation copyright does not belong to the
declaration without arguments. If it is 0, we checked and failed
to find the declaration so provide a fully prototyped one. If it
is 1, we found it so don't provide any declaration at all. */
-#if defined (__GNU_LIBRARY__ ) || defined (__linux__) || defined (__FreeBSD__) || defined (__OpenBSD__) || defined (__CYGWIN__) || defined (__CYGWIN32__) || (defined (HAVE_DECL_BASENAME) && !HAVE_DECL_BASENAME)
+#if !HAVE_DECL_BASENAME
+#if defined (__GNU_LIBRARY__ ) || defined (__linux__) || defined (__FreeBSD__) || defined (__OpenBSD__) || defined(__NetBSD__) || defined (__CYGWIN__) || defined (__CYGWIN32__) || defined (__MINGW32__) || defined (HAVE_DECL_BASENAME)
extern char *basename PARAMS ((const char *));
#else
-# if !defined (HAVE_DECL_BASENAME)
extern char *basename ();
-# endif
+#endif
#endif
/* A well-defined basename () that is always compiled in. */
extern const char *lbasename PARAMS ((const char *));
+/* A well-defined realpath () that is always compiled in. */
+
+extern char *lrealpath PARAMS ((const char *));
+
/* Concatenate an arbitrary number of strings. You must pass NULL as
the last argument of this function, to terminate the list of
strings. Allocates memory using xmalloc. */
-extern char *concat PARAMS ((const char *, ...)) ATTRIBUTE_MALLOC;
+extern char *concat PARAMS ((const char *, ...)) ATTRIBUTE_MALLOC ATTRIBUTE_SENTINEL;
/* Concatenate an arbitrary number of strings. You must pass NULL as
the last argument of this function, to terminate the list of
pointer to be freed after the new string is created, similar to the
way xrealloc works. */
-extern char *reconcat PARAMS ((char *, const char *, ...)) ATTRIBUTE_MALLOC;
+extern char *reconcat PARAMS ((char *, const char *, ...)) ATTRIBUTE_MALLOC ATTRIBUTE_SENTINEL;
/* Determine the length of concatenating an arbitrary number of
strings. You must pass NULL as the last argument of this function,
to terminate the list of strings. */
-extern unsigned long concat_length PARAMS ((const char *, ...));
+extern unsigned long concat_length PARAMS ((const char *, ...)) ATTRIBUTE_SENTINEL;
/* Concatenate an arbitrary number of strings into a SUPPLIED area of
memory. You must pass NULL as the last argument of this function,
to terminate the list of strings. The supplied memory is assumed
to be large enough. */
-extern char *concat_copy PARAMS ((char *, const char *, ...));
+extern char *concat_copy PARAMS ((char *, const char *, ...)) ATTRIBUTE_SENTINEL;
/* Concatenate an arbitrary number of strings into a GLOBAL area of
memory. You must pass NULL as the last argument of this function,
to terminate the list of strings. The supplied memory is assumed
to be large enough. */
-extern char *concat_copy2 PARAMS ((const char *, ...));
+extern char *concat_copy2 PARAMS ((const char *, ...)) ATTRIBUTE_SENTINEL;
/* This is the global area used by concat_copy2. */
extern long get_run_time PARAMS ((void));
+/* Generate a relocated path to some installation directory. Allocates
+ return value using malloc. */
+
+extern char *make_relative_prefix PARAMS ((const char *, const char *,
+ const char *));
+
/* Choose a temporary directory to use for scratch files. */
extern char *choose_temp_base PARAMS ((void)) ATTRIBUTE_MALLOC;
extern PTR xmemdup PARAMS ((const PTR, size_t, size_t)) ATTRIBUTE_MALLOC;
+/* Physical memory routines. Return values are in BYTES. */
+extern double physmem_total PARAMS ((void));
+extern double physmem_available PARAMS ((void));
+
+
+/* These macros provide a K&R/C89/C++-friendly way of allocating structures
+ with nice encapsulation. The XDELETE*() macros are technically
+ superfluous, but provided here for symmetry. Using them consistently
+ makes it easier to update client code to use different allocators such
+ as new/delete and new[]/delete[]. */
+
+/* Scalar allocators. */
+
+#define XNEW(T) ((T *) xmalloc (sizeof (T)))
+#define XCNEW(T) ((T *) xcalloc (1, sizeof (T)))
+#define XDELETE(P) free ((void*) (P))
+
+/* Array allocators. */
+
+#define XNEWVEC(T, N) ((T *) xmalloc (sizeof (T) * (N)))
+#define XCNEWVEC(T, N) ((T *) xcalloc ((N), sizeof (T)))
+#define XRESIZEVEC(T, P, N) ((T *) xrealloc ((void *) (P), sizeof (T) * (N)))
+#define XDELETEVEC(P) free ((void*) (P))
+
+/* Allocators for variable-sized structures and raw buffers. */
+
+#define XNEWVAR(T, S) ((T *) xmalloc ((S)))
+#define XCNEWVAR(T, S) ((T *) xcalloc (1, (S)))
+#define XRESIZEVAR(T, P, S) ((T *) xrealloc ((P), (S)))
+
+/* Type-safe obstack allocator. */
+
+#define XOBNEW(O, T) ((T *) obstack_alloc ((O), sizeof (T)))
+
+
/* hex character manipulation routines */
#define _hex_array_size 256
#define _hex_bad 99
-extern const char _hex_value[_hex_array_size];
+extern const unsigned char _hex_value[_hex_array_size];
+extern void hex_init PARAMS ((void));
#define hex_p(c) (hex_value (c) != _hex_bad)
/* If you change this, note well: Some code relies on side effects in
the argument being performed exactly once. */
-#define hex_value(c) (_hex_value[(unsigned char) (c)])
+#define hex_value(c) ((unsigned int) _hex_value[(unsigned char) (c)])
/* Definitions used by the pexecute routine. */
extern int pwait PARAMS ((int, int *, int));
+#if !HAVE_DECL_ASPRINTF
/* Like sprintf but provides a pointer to malloc'd storage, which must
be freed by the caller. */
extern int asprintf PARAMS ((char **, const char *, ...)) ATTRIBUTE_PRINTF_2;
+#endif
+#if !HAVE_DECL_VASPRINTF
/* Like vsprintf but provides a pointer to malloc'd storage, which
must be freed by the caller. */
extern int vasprintf PARAMS ((char **, const char *, va_list))
ATTRIBUTE_PRINTF(2,0);
+#endif
#define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0]))
USE_C_ALLOCA yourself. The canonical autoconf macro C_ALLOCA is
also set/unset as it is often used to indicate whether code needs
to call alloca(0). */
-extern PTR C_alloca PARAMS((size_t));
+extern PTR C_alloca PARAMS ((size_t)) ATTRIBUTE_MALLOC;
#undef alloca
#if GCC_VERSION >= 2000 && !defined USE_C_ALLOCA
# define alloca(x) __builtin_alloca(x)
# define ASTRDUP(X) \
(__extension__ ({ const char *const libiberty_optr = (X); \
const unsigned long libiberty_len = strlen (libiberty_optr) + 1; \
- char *const libiberty_nptr = alloca (libiberty_len); \
+ char *const libiberty_nptr = (char *const) alloca (libiberty_len); \
(char *) memcpy (libiberty_nptr, libiberty_optr, libiberty_len); }))
#else
# define alloca(x) C_alloca(x)
# define ASTRDUP(X) \
(libiberty_optr = (X), \
libiberty_len = strlen (libiberty_optr) + 1, \
- libiberty_nptr = alloca (libiberty_len), \
+ libiberty_nptr = (char *) alloca (libiberty_len), \
(char *) memcpy (libiberty_nptr, libiberty_optr, libiberty_len))
#endif
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