port gcc 4.3.x warning fixes from trunk to this branch

git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.6.0@153743 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 3 insertions, 1 deletions

diff --git a/main/logger.c b/main/logger.c
index 0a3d872ce..2001bc86b 100644
--- a/main/logger.c
+++ b/main/logger.c
@@ -527,7 +527,9 @@ static int rotate_file(const char *filename)
 		char buf[512];
 		pbx_builtin_setvar_helper(c, "filename", filename);
 		pbx_substitute_variables_helper(c, exec_after_rotate, buf, sizeof(buf));
-		system(buf);
+		if (system(buf) < 0) {
+			ast_log(LOG_WARNING, "system() failed for '%s': %s\n", buf, strerror(errno));
+		}
 		ast_channel_free(c);
 	}
 	return res;