on failure set hex_encode output to NULL

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@24121 ec53bebd-3082-4978-b11e-865c3cabbd6b
2008-12-11 05:03:17 +00:00
parent 91f2ef3f76
commit c9122e8b28
1 changed files with 3 additions and 1 deletions
--- a/lib/roken/hex.c
+++ b/lib/roken/hex.c
@@ -64,8 +64,10 @@ hex_encode(const void *data, size_t size, char **str)
 	return -1;

    p = malloc(size * 2 + 1);
-    if (p == NULL)
+    if (p == NULL) {
+        *str = NULL;
 	return -1;
+    }

    for (i = 0; i < size; i++) {
 	p[i * 2] = hexchar[(*q >> 4) & 0xf];