mirror of https://github.com/MidnightCommander/mc
314 lines
9.4 KiB
C
314 lines
9.4 KiB
C
/*
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paths to configuration files
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Copyright (C) 2010-2024
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Free Software Foundation, Inc.
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Written by:
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Slava Zanko <slavazanko@gmail.com>, 2010.
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This file is part of the Midnight Commander.
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The Midnight Commander is free software: you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of the License,
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or (at your option) any later version.
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The Midnight Commander is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "lib/global.h"
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#include "lib/fileloc.h"
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#include "lib/vfs/vfs.h"
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#include "lib/util.h" /* unix_error_string() */
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#include "lib/mcconfig.h"
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/*** global variables ****************************************************************************/
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/*** file scope macro definitions ****************************************************************/
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/*** file scope type declarations ****************************************************************/
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/*** forward declarations (file scope functions) *************************************************/
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/*** file scope variables ************************************************************************/
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static gboolean xdg_vars_initialized = FALSE;
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static char *mc_config_str = NULL;
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static char *mc_cache_str = NULL;
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static char *mc_data_str = NULL;
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static gboolean config_dir_present = FALSE;
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static const struct
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{
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char **basedir;
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const char *filename;
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} mc_config_files_reference[] = {
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/* *INDENT-OFF* */
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/* config */
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{ &mc_config_str, MC_CONFIG_FILE },
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{ &mc_config_str, MC_FHL_INI_FILE },
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{ &mc_config_str, MC_HOTLIST_FILE },
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{ &mc_config_str, GLOBAL_KEYMAP_FILE },
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{ &mc_config_str, MC_USERMENU_FILE },
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{ &mc_config_str, EDIT_HOME_MENU },
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{ &mc_config_str, MC_PANELS_FILE },
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/* User should move this file with applying some changes in file */
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{ &mc_config_str, MC_EXT_FILE },
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{ &mc_config_str, MC_EXT_OLD_FILE },
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/* data */
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{ &mc_data_str, MC_SKINS_DIR },
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{ &mc_data_str, VFS_SHELL_PREFIX },
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{ &mc_data_str, MC_ASHRC_FILE },
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{ &mc_data_str, MC_BASHRC_FILE },
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{ &mc_data_str, MC_INPUTRC_FILE },
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{ &mc_data_str, MC_ZSHRC_FILE },
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{ &mc_data_str, MC_EXTFS_DIR },
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{ &mc_data_str, MC_HISTORY_FILE },
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{ &mc_data_str, MC_FILEPOS_FILE },
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{ &mc_data_str, EDIT_SYNTAX_FILE },
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{ &mc_data_str, EDIT_HOME_CLIP_FILE },
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{ &mc_data_str, MC_MACRO_FILE },
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/* cache */
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{ &mc_cache_str, "mc.log" },
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{ &mc_cache_str, MC_TREESTORE_FILE },
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{ &mc_cache_str, EDIT_HOME_TEMP_FILE },
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{ &mc_cache_str, EDIT_HOME_BLOCK_FILE },
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{ NULL, NULL }
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/* *INDENT-ON* */
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};
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/* --------------------------------------------------------------------------------------------- */
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/*** file scope functions *********************************************************************** */
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/* --------------------------------------------------------------------------------------------- */
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static void
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mc_config_mkdir (const char *directory_name, GError **mcerror)
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{
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mc_return_if_error (mcerror);
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if ((!g_file_test (directory_name, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) &&
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(g_mkdir_with_parents (directory_name, 0700) != 0))
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mc_propagate_error (mcerror, 0, _("Cannot create %s directory"), directory_name);
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}
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/* --------------------------------------------------------------------------------------------- */
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static char *
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mc_config_init_one_config_path (const char *path_base, const char *subdir, GError **mcerror)
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{
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char *full_path;
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mc_return_val_if_error (mcerror, FALSE);
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full_path = g_build_filename (path_base, subdir, (char *) NULL);
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if (g_file_test (full_path, G_FILE_TEST_EXISTS))
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{
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if (g_file_test (full_path, G_FILE_TEST_IS_DIR))
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config_dir_present = TRUE;
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else
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{
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fprintf (stderr, "%s %s\n", _("FATAL: not a directory:"), full_path);
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exit (EXIT_FAILURE);
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}
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}
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mc_config_mkdir (full_path, mcerror);
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if (mcerror != NULL && *mcerror != NULL)
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MC_PTR_FREE (full_path);
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return full_path;
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}
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/* --------------------------------------------------------------------------------------------- */
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/*** public functions ****************************************************************************/
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/* --------------------------------------------------------------------------------------------- */
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void
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mc_config_init_config_paths (GError **mcerror)
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{
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const char *profile_root;
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char *dir;
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mc_return_if_error (mcerror);
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if (xdg_vars_initialized)
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return;
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profile_root = mc_get_profile_root ();
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if (strcmp (profile_root, mc_config_get_home_dir ()) != 0)
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{
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/*
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* The user overrode the default profile root.
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*
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* In this case we can't use GLib's g_get_user_{config,cache,data}_dir()
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* as these functions use the user's home dir as the root.
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*/
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dir = g_build_filename (profile_root, ".config", (char *) NULL);
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mc_config_str = mc_config_init_one_config_path (dir, MC_USERCONF_DIR, mcerror);
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g_free (dir);
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dir = g_build_filename (profile_root, ".cache", (char *) NULL);
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mc_cache_str = mc_config_init_one_config_path (dir, MC_USERCONF_DIR, mcerror);
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g_free (dir);
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dir = g_build_filename (profile_root, ".local", "share", (char *) NULL);
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mc_data_str = mc_config_init_one_config_path (dir, MC_USERCONF_DIR, mcerror);
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g_free (dir);
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}
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else
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{
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mc_config_str =
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mc_config_init_one_config_path (g_get_user_config_dir (), MC_USERCONF_DIR, mcerror);
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mc_cache_str =
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mc_config_init_one_config_path (g_get_user_cache_dir (), MC_USERCONF_DIR, mcerror);
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mc_data_str =
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mc_config_init_one_config_path (g_get_user_data_dir (), MC_USERCONF_DIR, mcerror);
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}
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xdg_vars_initialized = TRUE;
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}
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/* --------------------------------------------------------------------------------------------- */
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void
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mc_config_deinit_config_paths (void)
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{
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if (!xdg_vars_initialized)
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return;
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g_free (mc_config_str);
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g_free (mc_cache_str);
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g_free (mc_data_str);
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g_free (mc_global.share_data_dir);
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g_free (mc_global.sysconfig_dir);
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xdg_vars_initialized = FALSE;
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}
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/* --------------------------------------------------------------------------------------------- */
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const char *
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mc_config_get_data_path (void)
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{
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if (!xdg_vars_initialized)
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mc_config_init_config_paths (NULL);
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return (const char *) mc_data_str;
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}
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/* --------------------------------------------------------------------------------------------- */
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const char *
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mc_config_get_cache_path (void)
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{
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if (!xdg_vars_initialized)
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mc_config_init_config_paths (NULL);
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return (const char *) mc_cache_str;
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}
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/* --------------------------------------------------------------------------------------------- */
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const char *
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mc_config_get_home_dir (void)
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{
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static const char *homedir = NULL;
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if (homedir == NULL)
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{
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/* Prior to GLib 2.36, g_get_home_dir() ignores $HOME, which is why
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* we read it ourselves. As that function's documentation explains,
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* using $HOME is good for compatibility with other programs and
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* for running from test frameworks. */
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homedir = g_getenv ("HOME");
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if (homedir == NULL || *homedir == '\0')
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homedir = g_get_home_dir ();
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}
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return homedir;
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}
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/* --------------------------------------------------------------------------------------------- */
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const char *
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mc_config_get_path (void)
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{
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if (!xdg_vars_initialized)
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mc_config_init_config_paths (NULL);
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return (const char *) mc_config_str;
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}
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/* --------------------------------------------------------------------------------------------- */
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/**
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* Get full path to config file by short name.
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*
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* @param config_name short name
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* @return full path to config file
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*/
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char *
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mc_config_get_full_path (const char *config_name)
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{
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size_t rule_index;
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if (config_name == NULL)
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return NULL;
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if (!xdg_vars_initialized)
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mc_config_init_config_paths (NULL);
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for (rule_index = 0; mc_config_files_reference[rule_index].filename != NULL; rule_index++)
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if (strcmp (config_name, mc_config_files_reference[rule_index].filename) == 0)
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return g_build_filename (*mc_config_files_reference[rule_index].basedir,
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mc_config_files_reference[rule_index].filename, (char *) NULL);
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return NULL;
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}
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/* --------------------------------------------------------------------------------------------- */
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/**
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* Get full path to config file by short name.
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*
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* @param config_name short name
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* @return object with full path to config file
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*/
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vfs_path_t *
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mc_config_get_full_vpath (const char *config_name)
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{
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vfs_path_t *ret_vpath;
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char *str_path;
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str_path = mc_config_get_full_path (config_name);
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ret_vpath = vfs_path_from_str (str_path);
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g_free (str_path);
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return ret_vpath;
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}
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/* --------------------------------------------------------------------------------------------- */
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