/pidgin/main: c1a41f0d1916: log reader: fix a possible NULL-dere...

[Tomasz Wasilczyk]

Changeset: c1a41f0d191688f39608cd85db3a5025db8f8e2c
Author:	 Tomasz Wasilczyk <twasilczyk at pidgin.im>
Date:	 2014-05-07 11:55 +0200
Branch:	 default
URL: https://hg.pidgin.im/pidgin/main/rev/c1a41f0d1916

Description:

log reader: fix a possible NULL-dereference. This plugin is really buggy

diffstat:

 libpurple/plugins/log_reader.c |  4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diffs (14 lines):

diff --git a/libpurple/plugins/log_reader.c b/libpurple/plugins/log_reader.c
--- a/libpurple/plugins/log_reader.c
+++ b/libpurple/plugins/log_reader.c
@@ -1838,7 +1838,9 @@ static GList *qip_logger_list(PurpleLogT
 					c++;
 
 				/* Find the last '(' character. */
-				if ((tmp = strchr(c, '\n')) != NULL) {
+				if (!c) {
+					/* do nothing */
+				} else if ((tmp = strchr(c, '\n')) != NULL) {
 					while (*tmp && *tmp != '(') --tmp;
 					c = tmp;
 				} else {