qbit/xenocara
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add some checks

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This commit is contained in:
okan 2012-11-16 14:15:48 +00:00
parent 48634b386c
commit 50585c9a89
1 changed files with 8 additions and 1 deletions
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9
app/cwm/xmalloc.c
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@ -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");