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authorIan Lance Taylor <ian@airs.com>2000-02-22 16:18:13 +0000
committerIan Lance Taylor <ian@airs.com>2000-02-22 16:18:13 +0000
commitcc89ffe60ba6d7f80278431ac8da8385d34c3af7 (patch)
tree8ac5ad59f2c0a9b5dccf45dba87e14c320b67061 /include/libiberty.h
parente2eaf477991014a67bc122c3225f6a3fe6d1a8e6 (diff)
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import libiberty from egcs
Diffstat (limited to 'include/libiberty.h')
-rw-r--r--include/libiberty.h55
1 files changed, 38 insertions, 17 deletions
diff --git a/include/libiberty.h b/include/libiberty.h
index cf31366..9a536a4 100644
--- a/include/libiberty.h
+++ b/include/libiberty.h
@@ -19,7 +19,7 @@ extern "C" {
/* Build an argument vector from a string. Allocates memory using
malloc. Use freeargv to free the vector. */
-extern char **buildargv PARAMS ((char *));
+extern char **buildargv PARAMS ((char *)) ATTRIBUTE_MALLOC;
/* Free a vector returned by buildargv. */
@@ -28,7 +28,7 @@ extern void freeargv PARAMS ((char **));
/* Duplicate an argument vector. Allocates memory using malloc. Use
freeargv to free the vector. */
-extern char **dupargv PARAMS ((char **));
+extern char **dupargv PARAMS ((char **)) ATTRIBUTE_MALLOC;
/* Return the last component of a path name. Note that we can't use a
@@ -36,7 +36,7 @@ extern char **dupargv PARAMS ((char **));
across different systems, sometimes as "char *" and sometimes as
"const char *" */
-#if defined (__GNU_LIBRARY__ ) || defined (__linux__) || defined (__FreeBSD__) || defined (__CYGWIN__) || defined (__CYGWIN32__)
+#if defined (__GNU_LIBRARY__ ) || defined (__linux__) || defined (__FreeBSD__) || defined (__OpenBSD__) || defined (__CYGWIN__) || defined (__CYGWIN32__)
extern char *basename PARAMS ((const char *));
#else
extern char *basename ();
@@ -45,19 +45,28 @@ extern char *basename ();
/* Concatenate an arbitrary number of strings, up to (char *) NULL.
Allocates memory using xmalloc. */
-extern char *concat PARAMS ((const char *, ...));
+extern char *concat PARAMS ((const char *, ...)) ATTRIBUTE_MALLOC;
/* Check whether two file descriptors refer to the same file. */
extern int fdmatch PARAMS ((int fd1, int fd2));
+/* Get the working directory. The result is cached, so don't call
+ chdir() between calls to getpwd(). */
+
+extern char * getpwd PARAMS ((void));
+
/* Get the amount of time the process has run, in microseconds. */
extern long get_run_time PARAMS ((void));
/* Choose a temporary directory to use for scratch files. */
-extern char *choose_temp_base PARAMS ((void));
+extern char *choose_temp_base PARAMS ((void)) ATTRIBUTE_MALLOC;
+
+/* Return a temporary file name or NULL if unable to create one. */
+
+extern char *make_temp_file PARAMS ((const char *)) ATTRIBUTE_MALLOC;
/* Allocate memory filled with spaces. Allocates using malloc. */
@@ -108,11 +117,7 @@ extern int xatexit PARAMS ((void (*fn) (void)));
/* Exit, calling all the functions registered with xatexit. */
-#ifndef __GNUC__
-extern void xexit PARAMS ((int status));
-#else
-void xexit PARAMS ((int status)) __attribute__ ((noreturn));
-#endif
+extern void xexit PARAMS ((int status)) ATTRIBUTE_NORETURN;
/* Set the program name used by xmalloc. */
@@ -125,24 +130,29 @@ extern void xmalloc_set_program_name PARAMS ((const char *));
#ifdef ANSI_PROTOTYPES
/* Get a definition for size_t. */
#include <stddef.h>
+/* Get a definition for va_list. */
+#include <stdarg.h>
#endif
-extern PTR xmalloc PARAMS ((size_t));
-
-/* Reallocate memory without fail. This works like xmalloc.
+extern PTR xmalloc PARAMS ((size_t)) ATTRIBUTE_MALLOC;
- FIXME: We do not declare the parameter types for the same reason as
- xmalloc. */
+/* Reallocate memory without fail. This works like xmalloc. Note,
+ realloc type functions are not suitable for attribute malloc since
+ they may return the same address across multiple calls. */
extern PTR xrealloc PARAMS ((PTR, size_t));
/* Allocate memory without fail and set it to zero. This works like
xmalloc. */
-extern PTR xcalloc PARAMS ((size_t, size_t));
+extern PTR xcalloc PARAMS ((size_t, size_t)) ATTRIBUTE_MALLOC;
/* Copy a string into a memory buffer without fail. */
-extern char *xstrdup PARAMS ((const char *));
+extern char *xstrdup PARAMS ((const char *)) ATTRIBUTE_MALLOC;
+
+/* Copy an existing memory buffer to a new memory buffer without fail. */
+
+extern PTR xmemdup PARAMS ((const PTR, size_t, size_t)) ATTRIBUTE_MALLOC;
/* hex character manipulation routines */
@@ -172,6 +182,17 @@ extern int pexecute PARAMS ((const char *, char * const *, const char *,
extern int pwait PARAMS ((int, int *, int));
+/* 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;
+
+/* 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);
+
#ifdef __cplusplus
}
#endif