initial commit; mostly documented.

1 files changed, 16 insertions, 0 deletions

diff --git a/calloc.c b/calloc.c
new file mode 100644
index 0000000..d16da19
--- /dev/null
+++ b/calloc.c
@@ -0,0 +1,16 @@
+#include "malloc.h"
+#include <string.h>
+#include <errno.h>
+
+void*
+__calloc_impl(heap_cache_t *cache, size_t nmemb, size_t w)
+{
+    w = REALW(w);
+    void *ptr = __malloc_impl(cache, w * nmemb);
+    if(ptr == NULL) return NULL;
+    if(errno != 0) return (void*)-1;
+
+    /* Zero newly allocated memory as per spec.*/
+    memset(ptr, 0, w * nmemb);
+    return ptr;
+}