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Diffstat (limited to 'malloc/mcheck.c')
-rw-r--r--malloc/mcheck.c30
1 files changed, 23 insertions, 7 deletions
diff --git a/malloc/mcheck.c b/malloc/mcheck.c
index 02379d219d..9f88843445 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;
@@ -294,8 +310,8 @@ 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;
@@ -355,8 +371,8 @@ 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;