From: Todd C. Miller <Todd.Miller@courtesan.com>
Date: Wed, 12 Mar 2003 21:23:40 +0000 (+0000)
Subject: Error out on malloc(0); suggested by theo
X-Git-Tag: SUDO_1_6_7~74
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=8e041c3f35d9cabca3a6959f9547c2a8cdba5e85;p=sudo

Error out on malloc(0); suggested by theo
---

diff --git a/alloc.c b/alloc.c
index 32d613654..e2f50ff08 100644
--- a/alloc.c
+++ b/alloc.c
@@ -74,6 +74,11 @@ emalloc(size)
 {
     VOID *ptr;
 
+    if (size == 0) {
+	(void) fprintf(stderr, "%s: internal error, tried to malloc(0)\n",
+	    Argv[0]);
+	exit(1);
+    }
     if ((ptr = (VOID *) malloc(size)) == NULL) {
 	(void) fprintf(stderr, "%s: cannot allocate memory!\n", Argv[0]);
 	exit(1);
@@ -92,6 +97,11 @@ erealloc(ptr, size)
     size_t size;
 {
 
+    if (size == 0) {
+	(void) fprintf(stderr, "%s: internal error, tried to realloc(0)\n",
+	    Argv[0]);
+	exit(1);
+    }
     ptr = ptr ? (VOID *) realloc(ptr, size) : (VOID *) malloc(size);
     if (ptr == NULL) {
 	(void) fprintf(stderr, "%s: cannot allocate memory!\n", Argv[0]);