From f8d8acd93c74a346ef335154b15b50c016667b23 Mon Sep 17 00:00:00 2001
From: shdown <shdownnine@gmail.com>
Date: Thu, 20 Aug 2015 22:55:23 +0300
Subject: [PATCH] i3-msg: strdup getenv() result before freeing

Fixes #1852.
---
 i3-msg/main.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/i3-msg/main.c b/i3-msg/main.c
index 354e8af9..238fe152 100644
--- a/i3-msg/main.c
+++ b/i3-msg/main.c
@@ -119,7 +119,11 @@ static yajl_callbacks reply_callbacks = {
 };
 
 int main(int argc, char *argv[]) {
-    socket_path = getenv("I3SOCK");
+    char *env_socket_path = getenv("I3SOCK");
+    if (env_socket_path)
+        socket_path = sstrdup(env_socket_path);
+    else
+        socket_path = NULL;
     int o, option_index = 0;
     uint32_t message_type = I3_IPC_MESSAGE_TYPE_COMMAND;
     char *payload = NULL;