92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
/*
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* vim:ts=4:sw=4:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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* © 2009 Michael Stapelberg and contributors (see also: LICENSE)
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*
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*/
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#include "libi3.h"
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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/*
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* Checks if the given path exists by calling stat().
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*
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*/
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static bool path_exists(const char *path) {
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struct stat buf;
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return (stat(path, &buf) == 0);
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}
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/*
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* Get the path of the first configuration file found. If override_configpath
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* is specified, that path is returned and saved for further calls. Otherwise,
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* checks the home directory first, then the system directory first, always
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* taking into account the XDG Base Directory Specification ($XDG_CONFIG_HOME,
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* $XDG_CONFIG_DIRS)
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*
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*/
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char *get_config_path(const char *override_configpath, bool use_system_paths) {
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char *xdg_config_home, *xdg_config_dirs, *config_path;
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static const char *saved_configpath = NULL;
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if (override_configpath != NULL) {
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saved_configpath = override_configpath;
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return sstrdup(saved_configpath);
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}
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if (saved_configpath != NULL)
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return sstrdup(saved_configpath);
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/* 1: check the traditional path under the home directory */
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config_path = resolve_tilde("~/.i3/config");
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if (path_exists(config_path))
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return config_path;
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free(config_path);
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/* 2: check for $XDG_CONFIG_HOME/i3/config */
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if ((xdg_config_home = getenv("XDG_CONFIG_HOME")) == NULL)
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xdg_config_home = "~/.config";
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xdg_config_home = resolve_tilde(xdg_config_home);
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sasprintf(&config_path, "%s/i3/config", xdg_config_home);
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free(xdg_config_home);
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if (path_exists(config_path))
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return config_path;
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free(config_path);
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/* The below paths are considered system-level, and can be skipped if the
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* caller only wants user-level configs. */
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if (!use_system_paths)
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return NULL;
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/* 3: check the traditional path under /etc */
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config_path = SYSCONFDIR "/i3/config";
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if (path_exists(config_path))
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return sstrdup(config_path);
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/* 4: check for $XDG_CONFIG_DIRS/i3/config */
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if ((xdg_config_dirs = getenv("XDG_CONFIG_DIRS")) == NULL)
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xdg_config_dirs = "/etc/xdg";
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char *buf = sstrdup(xdg_config_dirs);
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char *tok = strtok(buf, ":");
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while (tok != NULL) {
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tok = resolve_tilde(tok);
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sasprintf(&config_path, "%s/i3/config", tok);
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free(tok);
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if (path_exists(config_path)) {
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free(buf);
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return config_path;
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}
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free(config_path);
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tok = strtok(NULL, ":");
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}
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free(buf);
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return NULL;
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}
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