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gri3-wm
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Obey the XDG Base Directory Specification for config file paths 

This means you can now put your i3 config into
$XDG_CONFIG_HOME/i3/config, which probably is ~/.config/i3/config
if not set otherwise.
This commit is contained in:
Michael Stapelberg 2010-01-03 16:58:41 +01:00
parent ba2dd3a3eb
commit 7c130fb540
1 changed files with 70 additions and 13 deletions
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83
src/config.c
View File

@ -15,8 +15,10 @@
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <stdlib.h>
#include <glob.h>
#include <unistd.h>
/* We need Xlib for XStringToKeysym */
#include <X11/Xlib.h>
@ -47,6 +49,15 @@ static char *glob_path(const char *path) {
return result;
}
/*
* Checks if the given path exists by calling stat().
*
*/
static bool path_exists(const char *path) {
struct stat buf;
return (stat(path, &buf) == 0);
}
/**
* Ungrabs all keys, to be called before re-grabbing the keys because of a
* mapping_notify event or a configuration file reload
@ -148,6 +159,61 @@ void switch_mode(xcb_connection_t *conn, const char *new_mode) {
ELOG("ERROR: Mode not found\n");
}
/*
* Get the path of the first configuration file found. Checks the XDG folders
* first ($XDG_CONFIG_HOME, $XDG_CONFIG_DIRS), then the traditional paths.
*
*/
static char *get_config_path() {
/* 1: check for $XDG_CONFIG_HOME/i3/config */
char *xdg_config_home, *xdg_config_dirs, *config_path;
if ((xdg_config_home = getenv("XDG_CONFIG_HOME")) == NULL)
xdg_config_home = "~/.config";
xdg_config_home = glob_path(xdg_config_home);
if (asprintf(&config_path, "%s/i3/config", xdg_config_home) == -1)
die("asprintf() failed");
free(xdg_config_home);
if (path_exists(config_path))
return config_path;
free(config_path);
/* 2: check for $XDG_CONFIG_DIRS/i3/config */
if ((xdg_config_dirs = getenv("XDG_CONFIG_DIRS")) == NULL)
xdg_config_dirs = "/etc/xdg";
char *buf = strdup(xdg_config_dirs);
char *tok = strtok(buf, ":");
while (tok != NULL) {
tok = glob_path(tok);
if (asprintf(&config_path, "%s/i3/config", tok) == -1)
die("asprintf() failed");
free(tok);
if (path_exists(config_path)) {
free(buf);
return config_path;
}
free(config_path);
tok = strtok(NULL, ":");
}
free(buf);
/* 3: check traditional paths */
config_path = glob_path("~/.i3/config");
if (path_exists(config_path))
return config_path;
config_path = strdup("/etc/i3/config");
if (!path_exists(config_path))
die("Neither $XDG_CONFIG_HOME/i3/config, nor "
"$XDG_CONFIG_DIRS/i3/config, nor ~/.i3/config nor "
"/etc/i3/config exist.");
return config_path;
}
/*
* Finds the configuration file to use (either the one specified by
* override_configpath), the user’s one or the system default) and calls
@ -160,19 +226,10 @@ static void parse_configuration(const char *override_configpath) {
return;
}
FILE *handle;
char *globbed = glob_path("~/.i3/config");
if ((handle = fopen(globbed, "r")) == NULL) {
if ((handle = fopen("/etc/i3/config", "r")) == NULL)
die("Neither \"%s\" nor /etc/i3/config could be opened\n", globbed);
parse_file("/etc/i3/config");
fclose(handle);
return;
}
parse_file(globbed);
fclose(handle);
char *path = get_config_path();
DLOG("Parsing configfile %s\n", path);
parse_file(path);
free(path);
}
/*