From bc07938965efeb07b0446f893eb8d825f90b5379 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Love=20H=C3=B6rnquist=20=C3=85strand?= <lha@kth.se>
Date: Mon, 8 Jun 2009 21:57:56 +0000
Subject: [PATCH] (emem_trunc): if offset is NULL, free all memory

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@25281 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 lib/krb5/store_emem.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/krb5/store_emem.c b/lib/krb5/store_emem.c
index 4be89b656..acf984280 100644
--- a/lib/krb5/store_emem.c
+++ b/lib/krb5/store_emem.c
@@ -110,7 +110,12 @@ emem_trunc(krb5_storage *sp, off_t offset)
      * If offset is larget then current size, or current size is
      * shrunk more then half of the current size, adjust buffer.
      */
-    if (offset > s->size || (s->size / 2) > offset) {
+    if (offset == 0) {
+	free(s->base);
+	s->size = 0;
+	s->base = NULL;
+	s->ptr = NULL;
+    } else if (offset > s->size || (s->size / 2) > offset) {
 	void *base;
 	size_t off;
 	off = s->ptr - s->base;
-- 
2.11.4.GIT