From: Timo Sirainen <tss@iki.fi>
Date: Sun, 9 May 2004 23:20:04 +0000 (+0300)
Subject: don't crash when requesting messages from empty mailbox
X-Git-Tag: 1.1.alpha1~4121
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=62950eeff28f00989a17b20eeade3af7e200c6bc;p=thirdparty%2Fdovecot%2Fcore.git

don't crash when requesting messages from empty mailbox

--HG--
branch : HEAD
---

diff --git a/src/lib-index/mail-index-view.c b/src/lib-index/mail-index-view.c
index 6884855db9..4142392754 100644
--- a/src/lib-index/mail-index-view.c
+++ b/src/lib-index/mail-index-view.c
@@ -209,8 +209,7 @@ static uint32_t mail_index_bsearch_uid(struct mail_index_view *view,
 
 	rec = view->map->records;
 
-	idx = 0;
-	left_idx = *left_idx_p;
+	idx = left_idx = *left_idx_p;
 	right_idx = view->map->records_count;
 
 	while (left_idx < right_idx) {
@@ -224,6 +223,11 @@ static uint32_t mail_index_bsearch_uid(struct mail_index_view *view,
 			break;
 	}
 
+	if (idx == view->map->records_count) {
+		/* no messages available */
+		return 0;
+	}
+
         *left_idx_p = left_idx;
 	if (rec[idx].uid != uid) {
 		if (nearest_side > 0) {
diff --git a/src/lib-storage/index/index-search.c b/src/lib-storage/index/index-search.c
index 9c6af48632..3535e95d3c 100644
--- a/src/lib-storage/index/index-search.c
+++ b/src/lib-storage/index/index-search.c
@@ -691,6 +691,12 @@ static int search_get_seqset(struct index_search_context *ctx,
 		return -1;
 	}
 
+	if (hdr->messages_count == 0) {
+		ctx->seq1 = 1;
+		ctx->seq2 = 0;
+		return 0;
+	}
+
 	if (search_parse_msgset_args(ctx->ibox, hdr, args,
 				     &ctx->seq1, &ctx->seq2) < 0)
 		return -1;