Support XDG_CONFIG_HOME

1 files changed, 16 insertions, 6 deletions

diff --git a/src/config.c b/src/config.c
index e4151eb..083150e 100644
--- a/src/config.c
+++ b/src/config.c
@@ -41,14 +41,24 @@ static int ftag_config_load_file(const char *config_file)
 	return 1;
 }
 
-void ftag_config_init(const char *config_file)
+void ftag_config_init(const char *opt_config_file)
 {
+	const char *env_xdg_config_home = getenv("XDG_CONFIG_HOME");
 	const char *env_home = getenv("HOME");
-	char default_config_file[512];
+	char config_file[512];
 
-	/* TODO: prioritize XDG_CONFIG_HOME */
-	strbuild(default_config_file,
-		 "%s/.config/ftag/ftag.conf", env_home);
+	if (opt_config_file) {
+		strbuild(config_file, "%s", opt_config_file);
+	}
+	else if (env_xdg_config_home) {
+		strbuild(config_file,
+			 "%s/.config/ftag/ftag.conf", env_xdg_config_home);
+	}
+	else {
+		assert(env_home);
+		strbuild(config_file,
+			 "%s/.config/ftag/ftag.conf", env_home);
+	}
 
 	/* Keys */
 	ftag_config_keys[FC_DATABASE_PATH] = "database_path";
@@ -71,7 +81,7 @@ void ftag_config_init(const char *config_file)
 	if (config_loaded)
 		return;
 
-	ftag_config_load_file(default_config_file);
+	ftag_config_load_file(config_file);
 }
 
 const char *ftag_config_get(enum ftag_config_e key)