musl - musl - an implementation of the standard library for Linux-based systems

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musl - an implementation of the standard library for Linux-based systems
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path: root/src/malloc/calloc.c
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-rw-r--r--src/malloc/calloc.c 15
1 files changed, 3 insertions, 12 deletions
diff --git a/src/malloc/calloc.c b/src/malloc/calloc.c
index c3dfb473..436c0b03 100644
--- a/src/malloc/calloc.c
+++ b/src/malloc/calloc.c
@@ -1,22 +1,13 @@
#include <stdlib.h>
#include <errno.h>
+void *__malloc0(size_t);
+
void *calloc(size_t m, size_t n)
{
- void *p;
- size_t *z;
if (n && m > (size_t)-1/n) {
errno = ENOMEM;
return 0;
}
- n *= m;
- p = malloc(n);
- if (!p) return 0;
- /* Only do this for non-mmapped chunks */
- if (((size_t *)p)[-1] & 7) {
- /* Only write words that are not already zero */
- m = (n + sizeof *z - 1)/sizeof *z;
- for (z=p; m; m--, z++) if (*z) *z=0;
- }
- return p;
+ return __malloc0(n * m);
}
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