From: Richard Russon <rich@flatcap.org>
Date: Mon, 29 Apr 2019 13:57:29 +0000 (+0100)
Subject: libmutt: fix logging code for degenerate cases
X-Git-Tag: 2019-10-25~233^2~17
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7c4a0e2e91d7405b282ea2dbbaf1c41c5246aabd;p=neomutt

libmutt: fix logging code for degenerate cases
---

diff --git a/mutt/logging.c b/mutt/logging.c
index ef75f4ae1..a212f4638 100644
--- a/mutt/logging.c
+++ b/mutt/logging.c
@@ -147,6 +147,9 @@ int log_file_open(bool verbose)
  */
 int log_file_set_filename(const char *file, bool verbose)
 {
+  if (!file)
+    return -1;
+
   /* also handles both being NULL */
   if (mutt_str_strcmp(LogFileName, file) == 0)
     return 0;
@@ -291,6 +294,9 @@ int log_disp_file(time_t stamp, const char *file, int line,
  */
 int log_queue_add(struct LogLine *ll)
 {
+  if (!ll)
+    return -1;
+
   STAILQ_INSERT_TAIL(&LogQueue, ll, entries);
 
   if ((LogQueueMax > 0) && (LogQueueCount >= LogQueueMax))