para_malloc(), para_realloc(): Check for zero size allocations.

diff --git a/para.h b/para.h
index 7b0ca09c6c0b5f84c7ddab93eb92912e83245a44..a4753d4b5f5afa4eedc9a982f15f33c2f175626d 100644 (file)
--- a/para.h
+++ b/para.h
@@ -24,6 +24,7 @@
 #include <sys/socket.h>
 #include <sys/un.h> /* needed by create_pf_socket */
 #include <string.h>
+#include <assert.h>
 #include "gcc-compat.h"
 
 /** used in various contexts */

diff --git a/string.c b/string.c
index 598a12f510ecef9cefe13811a848d89cfb90d9a8..8b9f1633d95be658c7a6ecc40f291a0e033943bd 100644 (file)
--- a/string.c
+++ b/string.c
@@ -36,6 +36,7 @@ __must_check __malloc void *para_realloc(void *p, size_t size)
         * No need to check for NULL pointers: If p is NULL, the  call
         * to realloc is equivalent to malloc(size)
         */
+       assert(size);
        if (!(p = realloc(p, size))) {
                PARA_EMERG_LOG("realloc failed (size = %zu), aborting\n",
                        size);
@@ -58,6 +59,7 @@ __must_check __malloc void *para_realloc(void *p, size_t size)
  */
 __must_check __malloc void *para_malloc(size_t size)
 {
+       assert(size);
        void *p = malloc(size);
 
        if (!p) {