lib-storage: Added assert against empty UIDL in mailbox_save_set_pop3_uidl().

diff --git a/src/lib-storage/mail-storage.c b/src/lib-storage/mail-storage.c
index 77c3a40e4dbf95c5948cd7488883a7f80b125a30..eb24af804e961f365f5db094ff4d5d0d164ff7a3 100644 (file)
--- a/src/lib-storage/mail-storage.c
+++ b/src/lib-storage/mail-storage.c
@@ -1318,6 +1318,8 @@ void mailbox_save_set_guid(struct mail_save_context *ctx, const char *guid)
 
 void mailbox_save_set_pop3_uidl(struct mail_save_context *ctx, const char *uidl)
 {
+       i_assert(*uidl != '\0');
+
        i_free(ctx->pop3_uidl);
        ctx->pop3_uidl = i_strdup(uidl);
 }