XDG_CONFIG_HOME support

1 files changed, 41 insertions, 1 deletions

diff --git a/src/confparser.c b/src/confparser.c
index 019cf14..046bee7 100644
--- a/src/confparser.c
+++ b/src/confparser.c
@@ -14,7 +14,7 @@
 
 ERRLOG(configfile);
 
-const char * const CONFIG_NAME = "/ckrc";
+static const char * const CONFIG_NAME = "/ckrc";
 
 void initialize_conf(Conf *c) {
 #define X(var, str, name)                       \
@@ -53,6 +53,46 @@ void make_config_name(char * ret, const char *confPath) {
   strcpy(ret, tmp);
 }
 
+int find_config(UserOpt *opt) {
+  /* If env CK_CONFIG is set */
+  char *config_home = getenv("CK_CONFIG");
+  if (config_home) {
+    if (util_is_dir(config_home)) {
+      opt->confDir = strdup(config_home);
+      LOG("Using $CK_CONFIG: %s", config_home);
+      return 0;
+    }
+  }
+  LOG("$CK_CONFIG not avaliable.")
+
+  /* If XDG_CONFIG_HOME exists*/
+  config_home = getenv("XDG_CONFIG_HOME");
+  if (config_home) {
+    if (util_is_dir(config_home)) {
+      char defaultConf[STR_S] = "ck";
+      opt->confDir = malloc(strlen(config_home) + 1 /* '/' */ + strlen(defaultConf) + 1);
+      str_join_dirname_with_basename(opt->confDir, config_home, defaultConf);
+      LOG("Using $XDG_CONFIG_HOME: %s", config_home);
+      return 0;
+    }
+  }
+  LOG("$XDG_CONFIG_HOME not avaliable.")
+
+  /* fallback to HOME/.ck */
+  config_home = getenv("HOME");
+  if (config_home) {
+    if (util_is_dir(config_home)) {
+      char defaultConf[STR_S] = ".ck";
+      opt->confDir = malloc(strlen(config_home) + 1 /* '/' */ + strlen(defaultConf) + 1);
+      str_join_dirname_with_basename(opt->confDir, config_home, defaultConf);
+      LOG("Using $HOME: %s", config_home);
+      return 0;
+    }
+  }
+  LOG("$XDG_CONFIG_HOME not avaliable.");
+  return -1;
+}
+
 int config_file_parse(Conf *conf, UserOpt *opt) {
   LOG("Using '%s' for ck configuration directory", opt->confDir);
   FILE *confPtr;