friend list may contain invalid items, so we have to add check in friend_delete_all.

git-svn-id: http://opensvn.csie.org/pttbbs/trunk@5315 63ad8ddf-47c3-0310-b6dd-a9e9d9715204

1 files changed, 2 insertions, 0 deletions

diff --git a/pttbbs/mbbsd/friend.c b/pttbbs/mbbsd/friend.c
index 934f72db..48ebc9bd 100644
--- a/pttbbs/mbbsd/friend.c
+++ b/pttbbs/mbbsd/friend.c
@@ -343,6 +343,8 @@ friend_delete_all(const char *uident, int type)
 
     while (fgets(line, sizeof(line), fp)) {
 	sscanf(line, "%s", buf);
+        if (!is_validuserid(buf))
+            continue;
 	delete_user_friend(buf, uident, type);
     }