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add a vasprintf replacement. Bug #839

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@2030 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Jeremy McNamara
2004-01-14 06:35:01 +00:00
parent b3ab1cbe73
commit cf41cc2ec2
2 changed files with 26 additions and 0 deletions
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20
astmm.c
View File

@@ -32,6 +32,7 @@
#define FUNC_REALLOC 3
#define FUNC_STRDUP 4
#define FUNC_STRNDUP 5
#define FUNC_VASPRINTF 6
/* Undefine all our macros */
#undef malloc
@@ -40,6 +41,7 @@
#undef strdup
#undef strndup
#undef free
#undef vasprintf
static FILE *mmlog;
@@ -217,6 +219,24 @@ char *__ast_strndup(const char *s, size_t n, const char *file, int lineno, const
return ptr;
}
int __ast_vasprintf(char **strp, const char *fmt, va_list ap, const char *file, int lineno, const char *func)
{
int n, size = strlen(fmt) + 1;
if ((*strp = __ast_alloc_region(size, FUNC_VASPRINTF, file, lineno, func)) == NULL)
return -1;
for (;;) {
n = vsnprintf(*strp, size, fmt, ap);
if (n > -1 && n < size)
return n;
if (n > -1) /* glibc 2.1 */
size = n+1;
else /* glibc 2.0 */
size *= 2;
if ((*strp = __ast_realloc(*strp, size, file, lineno, func)) == NULL)
return -1;
}
}
static int handle_show_memory(int fd, int argc, char *argv[])
{
char *fn = NULL;

6
include/asterisk/astmm.h
View File

@@ -21,6 +21,7 @@
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
/* Undefine any macros */
#undef malloc
@@ -28,6 +29,7 @@
#undef realloc
#undef strdup
#undef strndup
#undef vasprintf
void *__ast_calloc(size_t nmemb, size_t size, const char *file, int lineno, const char *func);
void *__ast_malloc(size_t size, const char *file, int lineno, const char *func);
@@ -35,6 +37,7 @@ void __ast_free(void *ptr, const char *file, int lineno, const char *func);
void *__ast_realloc(void *ptr, size_t size, const char *file, int lineno, const char *func);
char *__ast_strdup(const char *s, const char *file, int lineno, const char *func);
char *__ast_strndup(const char *s, size_t n, const char *file, int lineno, const char *func);
int __ast_vasprintf(char **strp, const char *format, va_list ap, const char *file, int lineno, const char *func);
void __ast_mm_init(void);
@@ -58,6 +61,9 @@ void __ast_mm_init(void);
#define strndup(a,b) \
__ast_strndup(a,b,__FILE__, __LINE__, __PRETTY_FUNCTION__)
#define vasprintf(a,b,c) \
__ast_vasprintf(a,b,c,__FILE__, __LINE__, __PRETTY_FUNCTION__)
#else
#error "NEVER INCLUDE astmm.h DIRECTLY!!"
#endif