on failure set hex_encode output to NULL

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@24122 ec53bebd-3082-4978-b11e-865c3cabbd6b
2008-12-11 05:03:27 +00:00
parent c9122e8b28
commit cc0575ed41
1 changed files with 3 additions and 1 deletions
--- a/lib/roken/hex.c
+++ b/lib/roken/hex.c
@@ -60,8 +60,10 @@ hex_encode(const void *data, size_t size, char **str)
    char *p;

    /* check for overflow */
-    if (size * 2 < size)
+    if (size * 2 < size) {
+        *str = NULL;
 	return -1;
+    }

    p = malloc(size * 2 + 1);
    if (p == NULL) {