check return value of getcwd()

2011-02-21 17:41:25 +01:00 · 2011-02-21 17:41:25 +01:00 · d6195c4344
commit d6195c4344
parent 8b011f5400
1 changed files with 5 additions and 3 deletions
--- a/src/config.c
+++ b/src/config.c
@ -468,10 +468,12 @@ void configGetCommand(redisClient *c) {
    if (stringmatch(pattern,"dir",0)) {
        char buf[1024];

-        buf[0] = '\0';
-        getcwd(buf,sizeof(buf));
        addReplyBulkCString(c,"dir");
-        addReplyBulkCString(c,buf);
+        if (getcwd(buf,sizeof(buf)) == NULL) {
+            buf[0] = '\0';
+        } else {
+            addReplyBulkCString(c,buf);
+        }
        matches++;
    }
    if (stringmatch(pattern,"dbfilename",0)) {