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-rw-r--r--contrib/binutils/include/libiberty.h84
1 files changed, 79 insertions, 5 deletions
diff --git a/contrib/binutils/include/libiberty.h b/contrib/binutils/include/libiberty.h
index d31ac77..455643d 100644
--- a/contrib/binutils/include/libiberty.h
+++ b/contrib/binutils/include/libiberty.h
@@ -51,7 +51,7 @@ extern "C" {
/* 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. */
@@ -83,13 +83,55 @@ extern char *basename ();
/* A well-defined basename () that is always compiled in. */
-extern char *lbasename PARAMS ((const char *));
+extern const char *lbasename PARAMS ((const char *));
-/* Concatenate an arbitrary number of strings, up to (char *) NULL.
- Allocates memory using xmalloc. */
+/* 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;
+/* 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;
+
+/* 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 *, ...));
+
+/* 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 *, ...));
+
+/* 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 *, ...));
+
+/* This is the global area used by concat_copy2. */
+
+extern char *libiberty_concat_ptr;
+
+/* 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)
+
/* Check whether two file descriptors refer to the same file. */
extern int fdmatch PARAMS ((int fd1, int fd2));
@@ -198,7 +240,7 @@ extern PTR xmemdup PARAMS ((const PTR, size_t, size_t)) ATTRIBUTE_MALLOC;
#define _hex_array_size 256
#define _hex_bad 99
-extern char _hex_value[_hex_array_size];
+extern const 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
@@ -235,6 +277,38 @@ extern int vasprintf PARAMS ((char **, const char *, va_list))
#define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0]))
+/* Drastically simplified alloca configurator. If we're using GCC,
+ we use __builtin_alloca; otherwise we use the C alloca. The C
+ alloca is always available. You can override GCC by defining
+ 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));
+#undef alloca
+#if GCC_VERSION >= 2000 && !defined USE_C_ALLOCA
+# define alloca(x) __builtin_alloca(x)
+# undef C_ALLOCA
+# 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 *) memcpy (libiberty_nptr, libiberty_optr, libiberty_len); }))
+#else
+# define alloca(x) C_alloca(x)
+# undef USE_C_ALLOCA
+# define USE_C_ALLOCA 1
+# undef C_ALLOCA
+# define C_ALLOCA 1
+extern const char *libiberty_optr;
+extern char *libiberty_nptr;
+extern unsigned long libiberty_len;
+# define ASTRDUP(X) \
+ (libiberty_optr = (X), \
+ libiberty_len = strlen (libiberty_optr) + 1, \
+ libiberty_nptr = alloca (libiberty_len), \
+ (char *) memcpy (libiberty_nptr, libiberty_optr, libiberty_len))
+#endif
+
#ifdef __cplusplus
}
#endif
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