--- /dev/null
+/*
+ * save-config.c -- functions to save a Browser Switchboard configuration
+ *
+ * Copyright (C) 2009-2010 Steven Luo
+ * Derived from a Python implementation by Jason Simpson and Steven Luo
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+ * USA.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include "configfile.h"
+#include "config.h"
+
+/* Save the settings in the provided swb_config struct to the config file
+ Returns true on success, false otherwise */
+int swb_config_save(struct swb_config *cfg) {
+ FILE *fp = NULL, *tmpfp = NULL;
+ char *homedir, *tempfile, *newfile;
+ size_t len;
+ int retval = 1;
+ struct swb_config_line line;
+ unsigned int oldcfg_seen = 0;
+
+ /* If CONFIGFILE_DIR doesn't exist already, try to create it */
+ if (!(homedir = getenv("HOME")))
+ homedir = DEFAULT_HOMEDIR;
+ len = strlen(homedir) + strlen(CONFIGFILE_DIR) + 1;
+ if (!(newfile = calloc(len, sizeof(char))))
+ return 0;
+ snprintf(newfile, len, "%s%s", homedir, CONFIGFILE_DIR);
+ if (access(newfile, F_OK) == -1 && errno == ENOENT) {
+ mkdir(newfile, 0750);
+ }
+ free(newfile);
+
+ /* Put together the path to the new config file and the tempfile */
+ len = strlen(homedir) + strlen(CONFIGFILE_LOC) + 1;
+ if (!(newfile = calloc(len, sizeof(char))))
+ return 0;
+ /* 4 = strlen(".tmp") */
+ if (!(tempfile = calloc(len+4, sizeof(char)))) {
+ free(newfile);
+ return 0;
+ }
+ snprintf(newfile, len, "%s%s", homedir, CONFIGFILE_LOC);
+ snprintf(tempfile, len+4, "%s%s", newfile, ".tmp");
+
+ /* Open the temporary file for writing */
+ if (!(tmpfp = fopen(tempfile, "w"))) {
+ retval = 0;
+ goto out;
+ }
+
+ /* Open the old config file, if it exists */
+ if ((fp = open_config_file()) && parse_config_file_begin()) {
+ /* Copy the old config file over to the new one line by line,
+ replacing old config values with new ones
+ TODO: should we handle errors differently than EOF? */
+ while (!parse_config_file_line(fp, &line)) {
+ if (line.parsed) {
+ /* Is a config line, print the new value here */
+ if (!strcmp(line.key, "continuous_mode")) {
+ if (!(oldcfg_seen &
+ SWB_CONFIG_CONTINUOUS_MODE_SET)) {
+ fprintf(tmpfp, "%s = %d\n",
+ line.key,
+ cfg->continuous_mode);
+ oldcfg_seen |=
+ SWB_CONFIG_CONTINUOUS_MODE_SET;
+ }
+ } else if (!strcmp(line.key,
+ "default_browser")) {
+ if (!(oldcfg_seen &
+ SWB_CONFIG_DEFAULT_BROWSER_SET)) {
+ fprintf(tmpfp, "%s = \"%s\"\n",
+ line.key,
+ cfg->default_browser);
+ oldcfg_seen |=
+ SWB_CONFIG_DEFAULT_BROWSER_SET;
+ }
+ } else if (!strcmp(line.key,
+ "other_browser_cmd")) {
+ if (!(oldcfg_seen &
+ SWB_CONFIG_OTHER_BROWSER_CMD_SET)) {
+ fprintf(tmpfp, "%s = \"%s\"\n",
+ line.key,
+ cfg->other_browser_cmd);
+ oldcfg_seen |=
+ SWB_CONFIG_OTHER_BROWSER_CMD_SET;
+ }
+ } else if (!strcmp(line.key,
+ "logging")) {
+ if (!(oldcfg_seen &
+ SWB_CONFIG_LOGGING_SET)) {
+ fprintf(tmpfp, "%s = \"%s\"\n",
+ line.key,
+ cfg->logging);
+ oldcfg_seen |=
+ SWB_CONFIG_LOGGING_SET;
+ }
+ }
+ } else {
+ /* Just copy the old line over */
+ fprintf(tmpfp, "%s\n", line.key);
+ }
+ free(line.key);
+ free(line.value);
+ }
+ parse_config_file_end();
+ }
+
+ /* If we haven't written them yet, write out any new config values */
+ if (!(oldcfg_seen & SWB_CONFIG_CONTINUOUS_MODE_SET) &&
+ (cfg->flags & SWB_CONFIG_CONTINUOUS_MODE_SET))
+ fprintf(tmpfp, "%s = %d\n",
+ "continuous_mode", cfg->continuous_mode);
+ if (!(oldcfg_seen & SWB_CONFIG_DEFAULT_BROWSER_SET) &&
+ (cfg->flags & SWB_CONFIG_DEFAULT_BROWSER_SET))
+ fprintf(tmpfp, "%s = \"%s\"\n",
+ "default_browser", cfg->default_browser);
+ if (!(oldcfg_seen & SWB_CONFIG_OTHER_BROWSER_CMD_SET) &&
+ (cfg->flags & SWB_CONFIG_OTHER_BROWSER_CMD_SET))
+ fprintf(tmpfp, "%s = \"%s\"\n",
+ "other_browser_cmd", cfg->other_browser_cmd);
+ if (!(oldcfg_seen & SWB_CONFIG_LOGGING_SET) &&
+ (cfg->flags & SWB_CONFIG_LOGGING_SET))
+ fprintf(tmpfp, "%s = \"%s\"\n",
+ "logging", cfg->logging);
+
+ /* Replace the old config file with the new one */
+ fclose(tmpfp);
+ tmpfp = NULL;
+ rename(tempfile, newfile);
+
+out:
+ free(newfile);
+ free(tempfile);
+ if (tmpfp)
+ fclose(tmpfp);
+ if (fp)
+ fclose(fp);
+ return retval;
+}
projects / browser-switch / blobdiff