/* 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
/* Build an argument vector from a string. Allocates memory using
malloc. Use freeargv to free the vector. */
-extern char **buildargv PARAMS ((char *)) ATTRIBUTE_MALLOC;
+extern char **buildargv PARAMS ((const char *)) ATTRIBUTE_MALLOC;
/* Free a vector returned by buildargv. */
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 *));
-/* Concatenate an arbitrary number of strings, up to (char *) NULL.
- Allocates memory using xmalloc. */
+/* 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
+ strings. Allocates memory using xmalloc. The first argument is
+ not one of the strings to be concatenated, but if not NULL is a
+ 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 ATTRIBUTE_SENTINEL;
/* Determine the length of concatenating an arbitrary number of
- strings, up to (char *) NULL. */
+ 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, up to (char *) NULL. The supplied memory is assumed to be
- large enough. */
+ 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, up to (char *) NULL. The supplied memory is assumed to be
- large enough. */
+ 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 char *libiberty_concat_ptr;
-/* Concatenate an arbitrary number of strings, up to (char *) NULL.
- Allocates memory using alloca. Arguments are evaluated twice!. */
+/* 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 alloca. The arguments are
+ evaluated twice! */
#define ACONCAT(ACONCAT_PARAMS) \
(libiberty_concat_ptr = alloca (concat_length ACONCAT_PARAMS + 1), \
concat_copy2 ACONCAT_PARAMS)
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 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