From 10e717fc7dcb43e75c845e8fd15c266bbaf35425 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nils=20O=2E=20Sel=C3=A5sdal?= <noselasd@fiane.dyndns.org>
Date: Fri, 31 May 2013 03:49:54 +0200
Subject: [PATCH] Preserve errno if opening log file fails

---
 src/logging.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/logging.c b/src/logging.c
index d6de280..3970b56 100644
--- a/src/logging.c
+++ b/src/logging.c
@@ -192,9 +192,11 @@ struct uc_log_destination *uc_log_new_file(const char *filename, int log_level,
 
     f = fopen(filename, "a"); 
     if (f == NULL) {
+       int saved_errno = errno; 
        free(dest->module_settings);
        free(name);
        free(dest);
+       errno = saved_errno;
        return NULL;
     }