check return value of getcwd()

eb5aeaf1 · antirez · 1a6281f5 · eb5aeaf1
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Showing with 5 addition and 3 deletion

src/config.c src/config.c +5 -3

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--- a/src/config.c
+++ b/src/config.c
@@ -471,10 +471,12 @@ 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)) {