diff options
Diffstat (limited to 'malloc')
| -rw-r--r-- | malloc/mcheck.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/malloc/mcheck.c b/malloc/mcheck.c index 524acc755c..28210068ff 100644 --- a/malloc/mcheck.c +++ b/malloc/mcheck.c @@ -24,9 +24,25 @@ # include <mcheck.h> # include <stdint.h> # include <stdio.h> +# include <stdlib.h> # include <libintl.h> #endif +#ifdef _LIBC +extern __typeof (malloc) __libc_malloc; +extern __typeof (free) __libc_free; +extern __typeof (realloc) __libc_realloc; +libc_hidden_proto (__libc_malloc) +libc_hidden_proto (__libc_realloc) +libc_hidden_proto (__libc_free) +libc_hidden_proto (__libc_memalign) +#else +# define __libc_malloc(sz) malloc (sz) +# define __libc_free(ptr) free (ptr) +# define __libc_realloc(ptr, sz) realloc (ptr, sz) +# define __libc_memalign(al, sz) memalign (al, sz) +#endif + /* Old hook values. */ static void (*old_free_hook) (__ptr_t ptr, __const __ptr_t); static __ptr_t (*old_malloc_hook) (__malloc_size_t size, const __ptr_t); @@ -197,7 +213,7 @@ freehook (__ptr_t ptr, const __ptr_t caller) if (old_free_hook != NULL) (*old_free_hook) (ptr, caller); else - free (ptr); + __libc_free (ptr); __free_hook = freehook; } @@ -214,7 +230,7 @@ mallochook (__malloc_size_t size, const __ptr_t caller) hdr = (struct hdr *) (*old_malloc_hook) (sizeof (struct hdr) + size + 1, caller); else - hdr = (struct hdr *) malloc (sizeof (struct hdr) + size + 1); + hdr = (struct hdr *) __libc_malloc (sizeof (struct hdr) + size + 1); __malloc_hook = mallochook; if (hdr == NULL) return NULL; @@ -245,7 +261,7 @@ memalignhook (__malloc_size_t alignment, __malloc_size_t size, if (old_memalign_hook != NULL) block = (*old_memalign_hook) (alignment, slop + size + 1, caller); else - block = memalign (alignment, slop + size + 1); + block = __libc_memalign (alignment, slop + size + 1); __memalign_hook = memalignhook; if (block == NULL) return NULL; @@ -300,8 +316,8 @@ reallochook (__ptr_t ptr, __malloc_size_t size, const __ptr_t caller) sizeof (struct hdr) + size + 1, caller); else - hdr = (struct hdr *) realloc ((__ptr_t) hdr, - sizeof (struct hdr) + size + 1); + hdr = (struct hdr *) __libc_realloc ((__ptr_t) hdr, + sizeof (struct hdr) + size + 1); __free_hook = freehook; __malloc_hook = mallochook; __memalign_hook = memalignhook; @@ -361,8 +377,8 @@ mcheck (func) if (__malloc_initialized <= 0 && !mcheck_used) { /* We call malloc() once here to ensure it is initialized. */ - void *p = malloc (0); - free (p); + void *p = __libc_malloc (0); + __libc_free (p); old_free_hook = __free_hook; __free_hook = freehook; |