From 2c7fbd90e9fe4e3788df70be74eaee9e03c8e130 Mon Sep 17 00:00:00 2001
From: Tom Swartz <tom@tswartz.net>
Date: Sat, 2 Feb 2019 04:15:50 -0500
Subject: [PATCH] Add XDG_CONFIG_HOME compatability  (#954)

---
 conf/rtl_433.example.conf | 2 +-
 src/compat_paths.c        | 8 ++++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/conf/rtl_433.example.conf b/conf/rtl_433.example.conf
index 86f75f3e..0ecb7eed 100644
--- a/conf/rtl_433.example.conf
+++ b/conf/rtl_433.example.conf
@@ -12,7 +12,7 @@
 #
 # If no -c option is given the first found of this list will be loaded:
 # - ./rtl_433.conf
-# - ~/.rtl_433/rtl_433.conf
+# - ~/.config/rtl_433/rtl_433.conf
 # - /usr/local/etc/rtl_433.conf
 # - /etc/rtl_433.conf
 
diff --git a/src/compat_paths.c b/src/compat_paths.c
index 3f88f093..94aa21e1 100644
--- a/src/compat_paths.c
+++ b/src/compat_paths.c
@@ -8,7 +8,7 @@
 
 #include <stdbool.h>
 #include <stddef.h>
-#include <stdio.h> 
+#include <stdio.h>
 #include <stdlib.h>
 
 #include "compat_paths.h"
@@ -17,9 +17,13 @@ char **compat_get_default_conf_paths()
 {
     static char *paths[5] = { NULL };
     static char buf[256] = "";
+    char *env_config_home = getenv("XDG_CONFIG_HOME");
     if (!paths[0]) {
         paths[0] = "rtl_433.conf";
-        snprintf(buf, sizeof(buf), "%s%s", getenv("HOME"), "/.rtl_433/rtl_433.conf");
+        if (env_config_home && *env_config_home)
+            snprintf(buf, sizeof(buf), "%s%s", env_config_home, "/rtl_433/rtl_433.conf");
+        else
+            snprintf(buf, sizeof(buf), "%s%s", getenv("HOME"), "/.config/rtl_433/rtl_433.conf");
         paths[1] = buf;
         paths[2] = "/usr/local/etc/rtl_433/rtl_433.conf";
         paths[3] = "/etc/rtl_433/rtl_433.conf";