dovecot-1.0: Don't crash with empty messagesets.

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-1.0/rev/f85adea35b74
changeset: 5419:f85adea35b74
user:      Timo Sirainen <tss at iki.fi>
date:      Mon Sep 24 11:15:48 2007 +0300
description:
Don't crash with empty messagesets.

diffstat:

1 file changed, 3 insertions(+)
src/lib-storage/index/index-search.c |    3 +++

diffs (13 lines):

diff -r 678626efb942 -r f85adea35b74 src/lib-storage/index/index-search.c
--- a/src/lib-storage/index/index-search.c	Sun Sep 23 14:26:58 2007 +0300
+++ b/src/lib-storage/index/index-search.c	Mon Sep 24 11:15:48 2007 +0300
@@ -582,6 +582,9 @@ static int search_msgset_fix_limits(stru
 				    const struct mail_index_header *hdr,
 				    struct mail_search_seqset *set, bool not)
 {
+	if (set == NULL)
+		return FALSE;
+
 	for (; set != NULL; set = set->next) {
 		if (set->seq1 > hdr->messages_count) {
 			if (set->seq1 != (uint32_t)-1 &&