mirror of
https://github.com/MidnightCommander/mc
synced 2024-12-23 12:56:51 +03:00
256 lines
7.3 KiB
C
256 lines
7.3 KiB
C
/* Configure module for the Midnight Commander
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Copyright (C) 1994, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
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2007, 2009 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program 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, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <config.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h> /* extern int errno */
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#include "src/global.h"
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#include "../../lib/vfs/mc-vfs/vfs.h" /* mc_stat */
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#include "src/util.h"
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#include "mcconfig.h"
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/*** global variables **************************************************/
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mc_config_t *mc_main_config;
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mc_config_t *mc_panels_config;
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/*** file scope macro definitions **************************************/
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/*** file scope type declarations **************************************/
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/*** file scope variables **********************************************/
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/*** file scope functions **********************************************/
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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static gboolean
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mc_config_new_or_override_file (mc_config_t * mc_config, const gchar * ini_path,
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GError **error)
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{
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gchar *data, *written_data;
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gsize len, total_written;
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gboolean ret;
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int fd;
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ssize_t cur_written;
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data = g_key_file_to_data (mc_config->handle, &len, NULL);
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if (!exist_file (ini_path)) {
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ret = g_file_set_contents (ini_path, data, len, error);
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g_free (data);
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return ret;
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}
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mc_util_make_backup_if_possible (ini_path, "~");
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fd = mc_open (ini_path, O_WRONLY | O_TRUNC | O_SYNC, 0);
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if (fd == -1) {
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g_propagate_error (error, g_error_new (mc_main_error_quark() ,0, "%s", unix_error_string (errno)));
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return FALSE;
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}
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for (written_data = data, total_written = len;
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(cur_written = mc_write (fd, (const void *) written_data, total_written)) > 0;
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written_data += cur_written, total_written -= cur_written);
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mc_close (fd);
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g_free (data);
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if (cur_written == -1) {
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mc_util_restore_from_backup_if_possible (ini_path, "~");
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g_propagate_error (error, g_error_new (mc_main_error_quark() ,0, "%s", unix_error_string (errno)));
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return FALSE;
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}
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mc_util_unlink_backup_if_possible (ini_path, "~");
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return TRUE;
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}
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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/*** public functions **************************************************/
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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mc_config_t *
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mc_config_init (const gchar * ini_path)
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{
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mc_config_t *mc_config;
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struct stat st;
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mc_config = g_try_malloc0 (sizeof (mc_config_t));
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if (mc_config == NULL)
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return NULL;
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mc_config->handle = g_key_file_new ();
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if (mc_config->handle == NULL) {
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g_free (mc_config);
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return NULL;
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}
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if (!ini_path || !exist_file (ini_path)) {
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return mc_config;
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}
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if (!mc_stat (ini_path, &st) && st.st_size) {
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/* file present and not empty */
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g_key_file_load_from_file (mc_config->handle, ini_path, G_KEY_FILE_KEEP_COMMENTS, NULL);
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}
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mc_config->ini_path = g_strdup (ini_path);
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return mc_config;
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}
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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void
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mc_config_deinit (mc_config_t * mc_config)
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{
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if (!mc_config)
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return;
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g_free (mc_config->ini_path);
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g_key_file_free (mc_config->handle);
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g_free (mc_config);
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}
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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gboolean
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mc_config_has_param (mc_config_t * mc_config, const char *group, const gchar * param)
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{
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if (!mc_config || !group || !param)
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return FALSE;
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return g_key_file_has_key (mc_config->handle, group, param, NULL);
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}
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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gboolean
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mc_config_has_group (mc_config_t * mc_config, const char *group)
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{
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if (!mc_config || !group)
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return FALSE;
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return g_key_file_has_group (mc_config->handle, group);
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}
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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gboolean
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mc_config_del_param (mc_config_t * mc_config, const char *group, const gchar * param)
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{
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if (!mc_config || !group || !param)
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return FALSE;
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#if GLIB_CHECK_VERSION (2, 15, 0)
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return g_key_file_remove_key (mc_config->handle, group, param, NULL);
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#else
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g_key_file_remove_key (mc_config->handle, group, param, NULL);
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return TRUE;
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#endif
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}
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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gboolean
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mc_config_del_group (mc_config_t * mc_config, const char *group)
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{
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if (!mc_config || !group)
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return FALSE;
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#if GLIB_CHECK_VERSION (2, 15, 0)
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return g_key_file_remove_group (mc_config->handle, group, NULL);
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#else
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g_key_file_remove_group (mc_config->handle, group, NULL);
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return TRUE;
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#endif
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}
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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gboolean
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mc_config_read_file (mc_config_t * mc_config, const gchar * ini_path)
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{
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mc_config_t *tmp_config;
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gchar **groups, **curr_grp;
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gchar **keys, **curr_key;
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gchar *value;
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if (mc_config == NULL) {
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return FALSE;
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}
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tmp_config = mc_config_init (ini_path);
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if (tmp_config == NULL)
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return FALSE;
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groups = mc_config_get_groups (tmp_config, NULL);
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if (groups == NULL)
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return FALSE;
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for (curr_grp = groups; *curr_grp != NULL; curr_grp++) {
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keys = mc_config_get_keys (tmp_config, *curr_grp, NULL);
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for (curr_key = keys; *curr_key != NULL; curr_key++) {
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value = g_key_file_get_value (tmp_config->handle, *curr_grp, *curr_key, NULL);
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if (value == NULL)
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continue;
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g_key_file_set_value (mc_config->handle, *curr_grp, *curr_key, value);
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g_free (value);
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}
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g_strfreev (keys);
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}
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g_strfreev (groups);
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mc_config_deinit (tmp_config);
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return TRUE;
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}
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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gboolean
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mc_config_save_file (mc_config_t * mc_config, GError **error)
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{
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if (mc_config == NULL || mc_config->ini_path == NULL) {
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return FALSE;
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}
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return mc_config_new_or_override_file (mc_config, mc_config->ini_path, error);
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}
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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gboolean
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mc_config_save_to_file (mc_config_t * mc_config, const gchar * ini_path, GError **error)
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{
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if (mc_config == NULL) {
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return FALSE;
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}
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return mc_config_new_or_override_file (mc_config, ini_path, error);
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}
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/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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