realloc misuse

1 files changed, 10 insertions, 2 deletions

diff --git a/kerberosIV/roken/getarg.c b/kerberosIV/roken/getarg.c
index 1ca11986444..d5081e5aa0e 100644
--- a/kerberosIV/roken/getarg.c
+++ b/kerberosIV/roken/getarg.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: getarg.c,v 1.2 1998/08/12 23:39:38 art Exp $	*/
+/*	$OpenBSD: getarg.c,v 1.3 1998/08/16 20:54:49 art Exp $	*/
 /*	$KTH: getarg.c,v 1.18 1998/01/22 20:23:16 joda Exp $		*/
 /*
  * Copyright (c) 1997, 1998 Kungliga Tekniska Högskolan
@@ -322,7 +322,15 @@ arg_printusage (struct getargs *args,
 static void
 add_string(getarg_strings *s, char *value)
 {
-    s->strings = realloc(s->strings, (s->num_strings + 1) * sizeof(*s->strings));
+    char **temp;
+
+    temp = realloc(s->strings, (s->num_strings + 1) * sizeof(*s->strings));
+    if (temp == NULL){
+        free (s->strings);
+        err(1, "realloc:");
+    }
+    s->strings = temp;
+
     s->strings[s->num_strings] = value;
     s->num_strings++;
 }