X-Git-Url: http://git.claws-mail.org/?p=claws.git;a=blobdiff_plain;f=src%2Fmsgcache.c;h=0a3c956744012449ee52cea557fe5c33029c61db;hp=f3ac8788501c4ebb607d4652a55d166ff183417c;hb=b0a0f2a281e4a86924158062878a4afbbac6eed6;hpb=7fdd3b1f3219fa8bf8769716526d9a4f860589e4;ds=sidebyside

diff --git a/src/msgcache.c b/src/msgcache.c
index f3ac87885..0a3c95674 100644
--- a/src/msgcache.c
+++ b/src/msgcache.c
@@ -305,10 +305,10 @@ static gint msgcache_read_cache_data_str(FILE *fp, gchar **str)
 {
 	gchar buf[BUFFSIZE];
 	gint ret = 0;
-	gint32 len;
+	guint32 len;
 
 	if (fread(&len, sizeof(len), 1, fp) == 1) {
-		if (len < 0)
+		if (len > G_MAXINT)
 			ret = -1;
 		else {
 			gchar *tmp = NULL;