diff options
| -rw-r--r-- | xmalloc.c | 9 |
1 files changed, 8 insertions, 1 deletions
@@ -15,7 +15,7 @@ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * - * $OpenBSD: xmalloc.c,v 1.9 2012/11/09 03:52:02 okan Exp $ + * $OpenBSD: xmalloc.c,v 1.10 2012/11/16 14:15:48 okan Exp $ */ #include <sys/param.h> @@ -23,6 +23,7 @@ #include <err.h> #include <errno.h> +#include <stdint.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -35,6 +36,8 @@ xmalloc(size_t siz) { void *p; + if (siz == 0) + errx(1, "xmalloc: zero size"); if ((p = malloc(siz)) == NULL) err(1, "malloc"); @@ -46,6 +49,10 @@ xcalloc(size_t no, size_t siz) { void *p; + if (siz == 0 || no == 0) + errx(1, "xcalloc: zero size"); + if (SIZE_MAX / no < siz) + errx(1, "xcalloc: no * siz > SIZE_MAX"); if ((p = calloc(no, siz)) == NULL) err(1, "calloc"); |