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Diffstat (limited to 'src/config.c')
| -rw-r--r-- | src/config.c | 1172 |
1 files changed, 0 insertions, 1172 deletions
diff --git a/src/config.c b/src/config.c deleted file mode 100644 index 29c5a53..0000000 --- a/src/config.c +++ /dev/null @@ -1,1172 +0,0 @@ -/*- - * redshift-ng - Automatically adjust display colour temperature according the Sun - * - * Copyright (c) 2009-2018 Jon Lund Steffensen <jonlst@gmail.com> - * Copyright (c) 2014-2016, 2025 Mattias Andrée <m@maandree.se> - * - * redshift-ng 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 3 of the License, or - * (at your option) any later version. - * - * redshift-ng 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 redshift-ng. If not, see <http://www.gnu.org/licenses/>. - */ -#include "common.h" - - -/** - * Output usage synopsis, without exiting - * - * @param f Output sink - */ -static void -usage_no_exit(FILE *f) -{ - fprintf(f, _("Usage: %s %s\n"), argv0, - _("[-b brightness] [-c config-file] [-D | +D] [-E | +E | -e elevations] " - "[-g gamma] [-H hook-file] [-l latitude:longitude | -l provider[:options]] " - "[-m method[:options]] [-P | +P] [-r | +r] [-dv] " - "[-O temperature | -o | -p | -t temperature | -x] | -h | -V")); -} - - -/** - * Output usage synopsis and exit - */ -static void -usage(void) -{ - usage_no_exit(stderr); - exit(1); -} - - -struct colour_setting day_settings; -struct colour_setting night_settings; -union scheme scheme = {.type = SOLAR_SCHEME}; -enum program_mode mode = PROGRAM_MODE_CONTINUAL; -int preserve_gamma; -int use_fade; -int verbose = 0; -char *hook_file; - - -/** - * Print general help text - */ -static void -print_help(void) -{ - usage_no_exit(stdout); - printf("\n"); - - printf(_("Automatically adjust display colour temperature according the Sun\n")); - printf("\n"); - - printf(_(" -b day:night Select whitepoint brightness (Default: 1:1)\n")); - printf(_(" -c file Load settings from specified configuration file\n")); - printf(_(" -D Start in enabled state (Default)\n")); - printf(_(" +D Start in disabled state\n")); - printf(_(" -d Keep the process alive and remove the colour effects when killed\n")); - printf(_(" -E Use wall-clock based schedule\n")); - printf(_(" +E Use solar elevation based schedule\n")); - printf(_(" -e day:night Select solar elevation thresholds for day and night (Default: %g:%g)\n"), - DEFAULT_HIGH_ELEVATION, DEFAULT_LOW_ELEVATION); - printf(_(" -g day:night Additional gamma correction (Default: 1:1:1:1:1:1)\n")); - printf(_(" -H hook-file Select hook file or directrory\n")); - printf(_(" -h Display this help message\n")); - printf(_(" -l lat:lon Specific geographical location\n")); - printf(_(" -l provider[:options] Select location provider to get geographical location\n")); - printf(_(" (Use `-l list' to list available providers)\n")); - printf(_(" -m method[:options] Select adjustment method for applying colour settings\n")); - printf(_(" (Use `-m list' to list adjustment methods)\n")); - printf(_(" -O day:night Select colour temperature and apply once\n")); - printf(_(" -o Apply colour settings once, then exit\n")); - printf(_(" -P Remove preexisting colour adjustments\n")); - printf(_(" +P Preserve preexisting colour adjustments (Default)\n")); - printf(_(" -p Print parameters and exit\n")); - printf(_(" -r Disable fading between colour adjustments\n")); - printf(_(" +r Enable fading between colour adjustments (Default)\n")); - printf(_(" -t day:night Select colour temperature and apply continually (Default: %lu:%lu\n"), - DEFAULT_DAY_TEMPERATURE, DEFAULT_NIGHT_TEMPERATURE); - printf(_(" -V Show program implementation and version\n")); - printf(_(" -v Enable verbose output\n")); - printf(_(" -x Remove adjustments from screen\n")); - - printf("\n"); - printf(_("This is a breif summary, see `%s' for more information.\n"), "man redshift"); - printf("\n"); - printf(_("The neutral temperature is %luK. Using this value will not change the color\n" - "temperature of the display. Setting the color temperature to a value higher\n" - "than this results in more blue light, and setting a lower value will result in\n" - "more red light.\n"), NEUTRAL_TEMPERATURE); - printf("\n"); -} - - -/** - * Parse a boolean string - * - * @param s The string to parse - * @param key The name of the configuration assigned the value `s` - * @return 1 if `s` represents true, 0 if `s` represents false - */ -GCC_ONLY(__attribute__((__pure__))) -static int -get_boolean(const char *s, const char *key) -{ - int ret; - if (s[0] == '0' || s[0] == '1') { - ret = s[0] - '0'; - if (s[1]) - goto bad; - } else { - bad: - eprintf(_("Value of configuration `%s' must be either `1' or `0'."), key); - } - return ret; -} - - -/** - * atof(3)-like wrapper for strtod(3) that checks that the string is valid - * - * @param s The string to parse - * @param key The name of the configuration assigned the value `s` - * @return The encoded value - */ -static double -checked_atof(const char *s, const char *key) -{ - double ret; - errno = 0; - ret = strtod(s, (void *)&s); - if (errno || *s) - eprintf(_("Value of configuration `%s' is not a value decimal value."), key); - return ret; -} - - -/** - * Split a list of values, and remove leading and trailing whitespace - * from each value - * - * @param s The string to split; will be modified - * @param count The number of despired strings - * @param strs Output array for the strings; each element will - * be set to `NULL` or `s` with an offset - * @param delim The character `s` shall be split by, cannot be - * a whitespace character - * @return 1 if `s` is valid, 0 otherwise - * - * If `count` is 1, - * the value most be specified, - * if `count` is 2, - * at least one of values must be specified - * if `count` is 3, - * all values most be specified, otherwise `s` must only contain - * on value, and no colon, which will be used from each output value, or - * if `count` is 6, - * `s` must be on one of the formats: - * `a`: - * the specified value is used for each output value, - * `a:b`: - * the three lower output values will be set to `a`, which may be empty/`NULL`, and - * the three upper output values will be set to `b`, which may be empty/`NULL`; - * at least `a` or `b` must be non-empty, - * `a:b:c`: - * each value most be specified, `s` will be interpreted as `a:b:c:a:b:c`, - * `:a:b:c`: - * each value most be specified, the lower three values be set to `NULL`, - * and `a`, `b`, `c` will be used fo the upper three values, - * `a:b:c:`: - * each value most be specified, the upper three values be set to `NULL`, - * and `a`, `b`, `c` will be used fo the lower three values, or - * `a:b:c:d:e:f`: - * each value most be specified; - * where ':' represents `delim` - * - * Summarily said, `s` may contain a scalar value or a 3-tuple, and it may - * also contain a value or one value for daytime and one value or nighttime. - * If configured to use 3-tuple but scalar is provided, the provided value is - * used for each of the 3 requested values. If configured to use daytime and - * nighttime, but only one is specified it is used for both, but if `s` - * starts with `delim`, daytime is skipped but if `s` ends with `delim`, - * nighttime, is skipped; but both cannot be skipped. - */ -static int -get_strings(char *s, int count, char *strs[], char delim) -{ - int i = 0, n; - - /* Split by colon and left-trim */ - for (i = 0; i < count;) { - strs[i++] = s = ltrim(s); - s = strchr(s, delim); - if (!s) - break; - *s++ = '\0'; - } - n = i; - - /* Confirm no excess strings */ - if (s && *ltrim(s)) - return 0; - - /* Right-trim and replace empty strings with NULL */ - for (i = 0; i < n; i++) - if (!*rtrim(strs[i], NULL)) - strs[i] = NULL; - - /* Validate NULLs */ - switch (n) { - case 1: - /* must be specified */ - if (!strs[0]) - return 0; - break; - case 2: - /* at least one most be specified */ - if (!strs[0] && !strs[1]) - return 0; - break; - case 3: - /* each most be specified */ - if (!strs[0] || !strs[1] || !strs[2]) - return 0; - break; - case 4: - /* exactly either the first or the last shall be NULL */ - if (!strs[0] == !strs[3] || !strs[1] || !strs[2]) - return 0; - break; - case 6: - /* each most be specified */ - if (!strs[0] || !strs[1] || !strs[2] || !strs[3] || !strs[4] || !strs[5]) - return 0; - break; - default: - /* n==5 is always invalid */ - return 0; - } - - /* Duplicate to fill `strs` */ - switch (count) { - case 2: - if (n == 1) - strs[1] = strs[0]; - break; - case 3: - if (n == 1) - strs[2] = strs[1] = strs[0]; - else if (n == 2) - return 0; - break; - case 6: - if (n == 1) { - strs[5] = strs[4] = strs[3] = strs[2] = strs[1] = strs[0]; - } else if (n == 2) { - strs[5] = strs[4] = strs[3] = strs[1]; - strs[2] = strs[1] = strs[0]; - } else if (n == 3) { - strs[5] = strs[2]; - strs[4] = strs[1]; - strs[3] = strs[0]; - } else if (n == 4 && !strs[0]) { - strs[5] = strs[3]; - strs[4] = strs[2]; - strs[3] = strs[1]; - strs[2] = NULL; - strs[1] = NULL; - } else if (n == 4) { - strs[5] = NULL; - strs[4] = NULL; - } - break; - default: - break; - } - - return 1; -} - - -/** - * Parse and set temperature settings - * - * @param str The temperature specification to parse - * @param day The currently specified temperature for daytime, - * will be updated; `NULL` if it shall not be set - * @param night The currently specified temperature for nighttime, - * will be updated; `NULL` if it shall not be set - * @param key The configuration file setting being parsed, - * `NULL` if parsing the command line - */ -static void -set_temperature(char *str, struct setting_lu *day, struct setting_lu *night, const char *key) -{ - struct setting_lu *settings[] = {day, night}; - enum setting_source source = key ? SETTING_CONFIGFILE : SETTING_CMDLINE; - char *strs[2], *end; - size_t i, j; - - if (!get_strings(str, !!day + !!night, strs, ':')) { - invalid: - weprintf(_("Malformed temperature argument.")); - eprintf(_("Try `-h' for more information.")); - } - - errno = 0; - for (i = 0, j = 0; i < ELEMSOF(settings); j += settings[i++] ? 1 : 0) { - if (!settings[i] || !strs[j] || settings[i]->source > source) - continue; - if (settings[i]->source & SETTING_CONFIGFILE) { - if (i == 0) - weprintf(_("Daytime temperature specified multiple times in configuration file.")); - else - weprintf(_("Night temperature specified multiple times in configuration file.")); - } - settings[i]->source |= source; - settings[i]->value = strtoul(strs[j], &end, 10); - if (errno || end[*end == 'K']) - goto invalid; - if (!WITHIN(MIN_TEMPERATURE, settings[i]->value, MAX_TEMPERATURE)) - eprintf(_("Temperature must be between %luK and %luK."), MIN_TEMPERATURE, MAX_TEMPERATURE); - } -} - - -/** - * Parse and set whitepoint brightness settings - * - * @param str The brightness specification to parse - * @param day The currently specified brightness for daytime, - * will be updated; `NULL` if it shall not be set - * @param night The currently specified brightness for nighttime, - * will be updated; `NULL` if it shall not be set - * @param key The configuration file setting being parsed, - * `NULL` if parsing the command line - */ -static void -set_brightness(char *str, struct setting_f *day, struct setting_f *night, const char *key) -{ - struct setting_f *settings[] = {day, night}; - enum setting_source source = key ? SETTING_CONFIGFILE : SETTING_CMDLINE; - char *strs[2], *end; - size_t i, j; - - if (!get_strings(str, !!day + !!night, strs, ':')) { - invalid: - weprintf(_("Malformed brightness argument.")); - eprintf(_("Try `-h' for more information.")); - } - - errno = 0; - for (i = 0, j = 0; i < ELEMSOF(settings); j += settings[i++] ? 1 : 0) { - if (!settings[i] || !strs[j] || settings[i]->source > source) - continue; - if (settings[i]->source & SETTING_CONFIGFILE) { - if (i == 0) - weprintf(_("Daytime brightness specified multiple times in configuration file.")); - else - weprintf(_("Night brightness specified multiple times in configuration file.")); - } - settings[i]->source |= source; - settings[i]->value = strtod(strs[j], &end); - if (errno || *end) - goto invalid; - if (!WITHIN(MIN_BRIGHTNESS, settings[i]->value, MAX_BRIGHTNESS)) - eprintf(_("Brightness values must be between %.1f and %.1f."), MIN_BRIGHTNESS, MAX_BRIGHTNESS); - } -} - - -/** - * Parse and set gamma settings - * - * @param str The gamma specification to parse - * @param day The currently specified gamma for daytime, - * will be updated; `NULL` if it shall not be set - * @param night The currently specified gamma for nighttime, - * will be updated; `NULL` if it shall not be set - * @param key The configuration file setting being parsed, - * `NULL` if parsing the command line - */ -static void -set_gamma(char *str, struct setting_f3 *day, struct setting_f3 *night, const char *key) -{ - struct setting_f3 *settings[] = {day, night}; - enum setting_source source = key ? SETTING_CONFIGFILE : SETTING_CMDLINE; - char *strs[6], *end; - size_t i, j, k; - - if (!get_strings(str, 3 * (!!day + !!night), strs, ':')) { - invalid: - weprintf(_("Malformed gamma argument.")); - eprintf(_("Try `-h' for more information.")); - } - - errno = 0; - for (i = 0, j = 0; i < ELEMSOF(settings); j += settings[i++] ? 3 : 0) { - if (!settings[i] || !strs[j] || settings[i]->source > source) - continue; - if (settings[i]->source & SETTING_CONFIGFILE) { - if (i == 0) - weprintf(_("Daytime gamma specified multiple times in configuration file.")); - else - weprintf(_("Night gamma specified multiple times in configuration file.")); - } - settings[i]->source |= source; - for (k = 0; k < 3; k++) { - settings[i]->value[k] = strtod(strs[j + k], &end); - if (errno || *end) - goto invalid; - if (!WITHIN(MIN_GAMMA, settings[i]->value[k], MAX_GAMMA)) - eprintf(_("Gamma values must be between %.1f and %.1f."), MIN_GAMMA, MAX_GAMMA); - } - } -} - - -/** - * Parse and set solar elevation settings - * - * The fucntion assumes that the setting source is the command line - * - * @param str The gamma specification to parse - * @param day The currently specified lowest solar elevation for - * daytime, will be updated; `NULL` if it shall not be set - * @param night The currently specified highest solar elevation for - * nighttime, will be updated; `NULL` if it shall not be set - */ -static void -set_elevations(char *str, struct setting_f *day, struct setting_f *night) -{ - struct setting_f *settings[] = {day, night}; - const enum setting_source source = SETTING_CMDLINE; - char *strs[2], *end; - size_t i, j; - - if (!get_strings(str, !!day + !!night, strs, ':')) { - invalid: - weprintf(_("Malformed solar elevation argument.")); - eprintf(_("Try `-h' for more information.")); - } - - errno = 0; - for (i = 0, j = 0; i < ELEMSOF(settings); j += settings[i++] ? 1 : 0) { - if (!settings[i] || !strs[j] || settings[i]->source > source) - continue; - settings[i]->source |= source; - settings[i]->value = strtod(strs[j], &end); - if (errno || *end) - goto invalid; - } -} - - -/** - * Parse a time string on either of the formats "HH:MM" and "HH:MM:SS" - * - * Times up to, but excluding, 48:00 are supported. - * - * Leap seconds are not supported - * - * @param str String to parse - * @return The represented time, -1 if malformed - */ -static time_t -parse_time(char *str) -{ - time_t ret; - unsigned long int v; - - errno = 0; - - if (!isdigit(*str)) - return -1; - v = strtoul(str, &str, 10); - if (errno || *str++ != ':' || v >= 48UL) - return -1; - ret = (time_t)(v * 60UL * 60UL); - - if (!isdigit(*str)) - return -1; - v = strtoul(str, &str, 10); - if (errno || v >= 60UL) - return -1; - ret += (time_t)(v * 60UL); - - if (*str) { - if (*str++ != ':') - return -1; - if (!isdigit(*str)) - return -1; - v = strtoul(str, &str, 10); - if (errno || *str || v >= 60UL) - return -1; - ret += (time_t)v; - } - - return ret; -} - - -/** - * Parse and set a transition time setting - * - * @param str The transition time to parse - * @param start The currently specified transition start, will be updated - * @param end The currently specified transition end, will be updated - * @param key The configuration file setting being parsed, - * `NULL` if parsing the command line - * @return Normally 1, 0 if `str` is malformeda - */ -static int -set_transition_time(char *str, struct setting_time *start, struct setting_time *end, const char *key) -{ - struct setting_time *settings[] = {start, end}; - enum setting_source source = key ? SETTING_CONFIGFILE : SETTING_CMDLINE; - char *strs[ELEMSOF(settings)]; - int i; - - if (!get_strings(str, ELEMSOF(strs), strs, '-')) - return 0; - - for (i = 0; i < (int)ELEMSOF(settings); i++) { - if (!strs[i] || settings[i]->source > source) - continue; - if (settings[i]->source & SETTING_CONFIGFILE) { - if (i == 0) - weprintf(_("Start value for `%s' specified multiple times in configuration file."), key); - else - weprintf(_("End value for `%s' specified multiple times in configuration file."), key); - } - settings[i]->source |= source; - settings[i]->value = parse_time(strs[i]); - if (settings[i]->value < 0) - return 0; - } - - return 1; -} - - -/** - * Print list of available adjustment methods, - * and some helpful information - */ -static void -print_method_list(void) -{ - size_t i; - printf(_("Available adjustment methods:\n")); - for (i = 0; gamma_methods[i]; i++) - if (gamma_methods[i]->is_available()) - printf(" %s\n", gamma_methods[i]->name); - - printf("\n"); - printf(_("Specify colon-separated options with `-m METHOD:OPTIONS'.\n")); - /* TRANSLATORS: `help' must not be translated. */ - printf(_("Try `-m METHOD:help' for help.\n")); -} - - -/** - * Print list of available location providers, - * and some helpful information - */ -static void -print_provider_list(void) -{ - size_t i; - printf(_("Available location providers:\n")); - for (i = 0; location_providers[i]; i++) - printf(" %s\n", location_providers[i]->name); - - printf("\n"); - printf(_("Specify colon-separated options with `-l PROVIDER:OPTIONS'.\n")); - /* TRANSLATORS: `help' must not be translated. */ - printf(_("Try `-l PROVIDER:help' for help.\n")); -} - - -/** - * Get adjustment method by name - * - * @param name The name of the adjustment method to return - * @return The adjustment method - */ -GCC_ONLY(__attribute__((__pure__, __returns_nonnull__))) -static const struct gamma_method * -find_gamma_method(const char *name) -{ - size_t i; - for (i = 0; gamma_methods[i]; i++) - if (!strcasecmp(name, gamma_methods[i]->name)) - return gamma_methods[i]; - /* TRANSLATORS: This refers to the method used to adjust colours e.g. VidMode */ - eprintf(_("Unknown adjustment method `%s'."), name); -} - - -/** - * Get location provider by name - * - * @param name The name of the location provider to return - * @return The location provider - */ -GCC_ONLY(__attribute__((__pure__, __returns_nonnull__))) -static const struct location_provider * -find_location_provider(const char *name) -{ - size_t i; - for (i = 0; location_providers[i]; i++) - if (!strcasecmp(name, location_providers[i]->name)) - return location_providers[i]; - eprintf(_("Unknown location provider `%s'."), name); -} - - -/** - * Load default settings - * - * @param settings Output parameter for the settings - */ -static void -load_defaults(struct settings *settings) -{ - memset(settings, 0, sizeof(*settings)); /* set each `.source` to `SETTING_DEFAULT` and booleans to 0 */ - - settings->config_file = NULL; - settings->scheme_type = UNSPECIFIED_SCHEME; - - settings->day.temperature.value = DEFAULT_DAY_TEMPERATURE; - settings->day.brightness.value = DEFAULT_DAY_BRIGHTNESS; - settings->day.gamma.value[0] = DEFAULT_DAY_GAMMA; - settings->day.gamma.value[1] = DEFAULT_DAY_GAMMA; - settings->day.gamma.value[2] = DEFAULT_DAY_GAMMA; - - settings->night.temperature.value = DEFAULT_NIGHT_TEMPERATURE; - settings->night.brightness.value = DEFAULT_NIGHT_BRIGHTNESS; - settings->night.gamma.value[0] = DEFAULT_NIGHT_GAMMA; - settings->night.gamma.value[1] = DEFAULT_NIGHT_GAMMA; - settings->night.gamma.value[2] = DEFAULT_NIGHT_GAMMA; - - settings->hook_file.value = NULL; - settings->preserve_gamma.value = 1; - settings->use_fade.value = 1; - - settings->elevation_high.value = DEFAULT_HIGH_ELEVATION; - settings->elevation_low.value = DEFAULT_LOW_ELEVATION; - - settings->method = NULL; - settings->method_args = NULL; - - settings->provider = NULL; - settings->provider_args = NULL; -} - - -/** - * Load settings from the command line - * - * @param settings The currently loaded settings, will be updated - * @param argc Number of command line arguments - * @param argv `NULL` terminated list of command line arguments, - * including argument zero - */ -static void -load_from_cmdline(struct settings *settings, int argc, char *argv[]) -{ - const char *provider_name; - char *s, *end, *value; - - ARGBEGIN { - case 'b': - set_brightness(ARG(), &settings->day.brightness, &settings->night.brightness, NULL); - break; - - case 'c': - settings->config_file = ARG(); - break; - - case 'D': - settings->disabled.source |= SETTING_CMDLINE; - settings->disabled.value = 0; - break; - - case 'd': - settings->until_death = 1; - break; - - case 'E': - settings->scheme_type = CLOCK_SCHEME; - break; - - case 'e': - set_elevations(ARG(), &settings->elevation_high, &settings->elevation_low); - settings->scheme_type = SOLAR_SCHEME; - break; - - case 'g': - set_gamma(ARG(), &settings->day.gamma, &settings->night.gamma, NULL); - break; - - case 'H': - settings->hook_file.source |= SETTING_CMDLINE; - free(settings->hook_file.value); - settings->hook_file.value = ARG(); - break; - - case 'h': - print_help(); - exit(0); - - case 'l': - value = ARG(); - - /* Print list of providers if argument is `list' */ - if (!strcasecmp(value, "list")) { - print_provider_list(); - exit(0); - } - - provider_name = NULL; - - /* Don't save the result of strtof(); we simply want - to know if value can be parsed as a float. */ - errno = 0; - strtof(value, &end); - if (!errno && *end == ':') { - /* Use instead as arguments to `manual'. */ - provider_name = "manual"; - settings->provider_args = value; - } else { - /* Split off provider arguments. */ - s = strchr(value, ':'); - if (s) { - *s++ = '\0'; - settings->provider_args = s; - } - - provider_name = value; - } - - /* Lookup provider from name. */ - settings->provider = find_location_provider(provider_name); - - /* Print provider help if arg is `help'. */ - if (settings->provider_args && !strcasecmp(settings->provider_args, "help")) { - settings->provider->print_help(); - exit(0); - } - break; - - case 'm': - value = ARG(); - - /* Print list of methods if argument is `list' */ - if (!strcasecmp(value, "list")) { - print_method_list(); - exit(0); - } - - /* Split off method arguments. */ - s = strchr(value, ':'); - if (s) { - *s++ = '\0'; - settings->method_args = s; - } - - /* Find adjustment method by name. */ - settings->method = find_gamma_method(value); - - /* Print method help if arg is `help'. */ - if (settings->method_args && !strcasecmp(settings->method_args, "help")) { - settings->method->print_help(); - exit(0); - } - break; - - case 'O': - mode = PROGRAM_MODE_ONE_SHOT; - set_temperature(ARG(), &settings->day.temperature, &settings->night.temperature, NULL); - break; - - case 'o': - mode = PROGRAM_MODE_ONE_SHOT; - break; - - case 'P': - settings->preserve_gamma.source |= SETTING_CMDLINE; - settings->preserve_gamma.value = 0; - break; - - case 'p': - mode = PROGRAM_MODE_PRINT; - break; - - case 'r': - settings->use_fade.source |= SETTING_CMDLINE; - settings->use_fade.value = 0; - break; - - case 't': - set_temperature(ARG(), &settings->day.temperature, &settings->night.temperature, NULL); - break; - - case 'V': - printf("%s\n", VERSION_STRING); - exit(0); - - case 'v': - verbose = 1; - break; - - case 'x': - mode = PROGRAM_MODE_RESET; - break; - - default: - usage(); - - } ARGALT('+') { - case 'D': - settings->disabled.source |= SETTING_CMDLINE; - settings->disabled.value = 1; - break; - - case 'E': - settings->scheme_type = SOLAR_SCHEME; - break; - - case 'P': - settings->preserve_gamma.source |= SETTING_CMDLINE; - settings->preserve_gamma.value = 1; - break; - - case 'r': - settings->use_fade.source |= SETTING_CMDLINE; - settings->use_fade.value = 1; - break; - - default: - usage(); - } ARGEND; - - if (argc) - usage(); -} - - -/** - * Load an setting, form the "redshift" section, from the configuration file - * - * @param settings The currently loaded settings, will be updated - * @param key The name of the configuration - * @param value The value of the configuration - */ -static void -load_from_config_ini(struct settings *settings, const char *key, char *value) -{ - if (!strcasecmp(key, "temp") || !strcasecmp(key, "temperature")) { - set_temperature(value, &settings->day.temperature, &settings->night.temperature, key); - } else if (!strcasecmp(key, "temp-day") || !strcasecmp(key, "temperature-day")) { - set_temperature(value, &settings->day.temperature, NULL, key); - } else if (!strcasecmp(key, "temp-night") || !strcasecmp(key, "temperature-night")) { - set_temperature(value, NULL, &settings->night.temperature, key); - - } else if (!strcasecmp(key, "brightness")) { - set_brightness(value, &settings->day.brightness, &settings->night.brightness, key); - } else if (!strcasecmp(key, "brightness-day")) { - set_brightness(value, &settings->day.brightness, NULL, key); - } else if (!strcasecmp(key, "brightness-night")) { - set_brightness(value, NULL, &settings->night.brightness, key); - - } else if (!strcasecmp(key, "gamma")) { - set_gamma(value, &settings->day.gamma, &settings->night.gamma, key); - } else if (!strcasecmp(key, "gamma-day")) { - set_gamma(value, &settings->day.gamma, NULL, key); - } else if (!strcasecmp(key, "gamma-night")) { - set_gamma(value, NULL, &settings->night.gamma, key); - - } else if (!strcasecmp(key, "transition")) { - weprintf(_("`transition' is deprecated and has been replaced with `fade'.")); - goto set_use_fade; - } else if (!strcasecmp(key, "fade")) { - set_use_fade: - if (settings->use_fade.source & SETTING_CONFIGFILE) - weprintf(_("`fade' setting specified multiple times in configuration file.")); - settings->use_fade.source |= SETTING_CONFIGFILE; - if (settings->use_fade.source <= SETTING_CONFIGFILE) - settings->use_fade.value = get_boolean(value, key); - - } else if (!strcasecmp(key, "hook")) { - if (settings->hook_file.source & SETTING_CONFIGFILE) - weprintf(_("`hook' setting specified multiple times in configuration file.")); - settings->hook_file.source |= SETTING_CONFIGFILE; - if (settings->hook_file.source <= SETTING_CONFIGFILE) { - free(settings->hook_file.value); - settings->hook_file.value = estrdup(value); - } - - } else if (!strcasecmp(key, "preserve-gamma")) { - if (settings->preserve_gamma.source & SETTING_CONFIGFILE) - weprintf(_("`preserve-gamma' setting specified multiple times in configuration file.")); - settings->preserve_gamma.source |= SETTING_CONFIGFILE; - if (settings->preserve_gamma.source <= SETTING_CONFIGFILE) - settings->preserve_gamma.value = get_boolean(value, key); - - } else if (!strcasecmp(key, "start-disabled")) { - if (settings->disabled.source & SETTING_CONFIGFILE) - weprintf(_("`start-disabled' setting specified multiple times in configuration file.")); - settings->disabled.source |= SETTING_CONFIGFILE; - if (settings->disabled.source <= SETTING_CONFIGFILE) - settings->disabled.value = get_boolean(value, key); - - } else if (!strcasecmp(key, "elevation-high")) { - if (settings->elevation_high.source & SETTING_CONFIGFILE) - weprintf(_("`elevation-high' setting specified multiple times in configuration file.")); - settings->elevation_high.source |= SETTING_CONFIGFILE; - if (settings->elevation_high.source <= SETTING_CONFIGFILE) - settings->elevation_high.value = checked_atof(value, key); - - } else if (!strcasecmp(key, "elevation-low")) { - if (settings->elevation_low.source & SETTING_CONFIGFILE) - weprintf(_("`elevation-low' setting specified multiple times in configuration file.")); - settings->elevation_low.source |= SETTING_CONFIGFILE; - if (settings->elevation_low.source <= SETTING_CONFIGFILE) - settings->elevation_low.value = checked_atof(value, key); - - } else if (!strcasecmp(key, "dawn-time")) { - if (!set_transition_time(value, &settings->dawn_start, &settings->dawn_end, key)) - eprintf(_("Malformed dawn-time setting `%s'."), value); - - } else if (!strcasecmp(key, "dusk-time")) { - if (!set_transition_time(value, &settings->dusk_start, &settings->dusk_end, key)) - eprintf(_("Malformed dusk-time setting `%s'."), value); - - } else if (!strcasecmp(key, "adjustment-method")) { - if (!settings->method) - settings->method = find_gamma_method(value); - - } else if (!strcasecmp(key, "location-provider")) { - if (!settings->provider) - settings->provider = find_location_provider(value); - - } else { - weprintf(_("Unknown configuration setting `%s'."), key); - } -} - - -void -load_settings(struct settings *settings, int argc, char *argv[]) -{ - struct config_ini_section *section; - struct config_ini_setting *setting; - const struct time_period *first, *current; - const char *conf_path, *p; - char *conf_pathbuf, *s; - int i, j, n; - time_t duration; - size_t len; - - /* Clear unused bit so they do not interfere with comparsion */ - memset(&day_settings, 0, sizeof(day_settings)); - memset(&night_settings, 0, sizeof(night_settings)); - - /* Load settings; some validation takes place */ - load_defaults(settings); - load_from_cmdline(settings, argc, argv); - conf_path = config_ini_init(&settings->config, settings->config_file, &conf_pathbuf); - if ((section = config_ini_get_section(&settings->config, "redshift"))) - for (setting = section->settings; setting; setting = setting->next) - load_from_config_ini(settings, setting->name, setting->value); - - /* Further validate settings and select scheme */ - n = !!settings->dawn_start.source + !!settings->dawn_end.source; - n += !!settings->dusk_start.source + !!settings->dusk_end.source; - if (settings->scheme_type == SOLAR_SCHEME) { - n = 0; - } else if (settings->scheme_type == CLOCK_SCHEME) { - if (!n) - eprintf(_("`-E' option used with a time-configuration configured.")); - } - if (n) { - scheme.type = CLOCK_SCHEME; - if (n != 4) - eprintf(_("Partial time-configuration not supported!")); - - if (settings->dawn_start.value >= ONE_DAY || settings->dusk_start.value >= ONE_DAY || - labs((long)settings->dawn_end.value - (long)settings->dawn_start.value) > (long)ONE_DAY || - labs((long)settings->dusk_end.value - (long)settings->dusk_start.value) > (long)ONE_DAY) - goto invalid_twilight; - - /* TODO deal with edge-case where one of the twilights last 24 hour */ - settings->dawn_end.value %= ONE_DAY; - settings->dusk_end.value %= ONE_DAY; - if (settings->dawn_start.value <= settings->dawn_end.value) { - if (BETWEEN(settings->dawn_start.value, settings->dusk_start.value, settings->dawn_end.value) || - BETWEEN(settings->dawn_start.value, settings->dusk_end.value, settings->dawn_end.value)) - goto invalid_twilight; - } else { - if (!WITHIN(settings->dawn_end.value, settings->dusk_start.value, settings->dawn_start.value) || - !WITHIN(settings->dawn_end.value, settings->dusk_end.value, settings->dawn_start.value)) - goto invalid_twilight; - } - } - if (settings->elevation_high.value < settings->elevation_low.value) - eprintf(_("High transition elevation cannot be lower than the low transition elevation.")); - - /* If resetting effects, use neutral colour settings (static scheme) and do not preserve gamma */ - if (mode == PROGRAM_MODE_RESET) { - scheme.type = STATIC_SCHEME; - settings->preserve_gamma.value = 0; - day_settings = COLOUR_SETTING_NEUTRAL; - night_settings = COLOUR_SETTING_NEUTRAL; - goto settings_published; - } - - /* Make hook file absolute if set from config file (relative to config file) */ - if (settings->hook_file.source == SETTING_CONFIGFILE && conf_path) { -#ifdef WINDOWS - /* Regular absolute path */ - if (isalpha(settings->hook_file.value[0]) && settings->hook_file.value[1] == ':') - goto absolute_hook_path; - /* Absolute extended path or network path (relative extended paths do not exist) */ - if (settings->hook_file.value[0] == '\\' && settings->hook_file.value[1] == '\\') - goto absolute_hook_path; - /* Path relative to root */ - if (settings->hook_file.value[0] == '\\' || settings->hook_file.value[0] == '/') { - /* This is safe as we know that `conf_path` is a valid path */ - if (isalpha(conf_path[0]) && conf_path[1] == ':') { - p = &conf_path[3]; - goto base_found; - } else if (conf_path[0] == '\\' && conf_path[1] == '\\') { - p = &conf_path[2]; - while (*p == '\\') - p++; - while (*p != '/' && *p != '\\') - p++; - goto base_found; - } - } -#else - if (settings->hook_file.value[0] == '/') - goto absolute_hook_path; -#endif - p = strrchr(conf_path, '/'); - p = p ? &p[1] : conf_path; -#ifdef WINDOWS - if (strrchr(p, '\\')) - p = &strrchr(p, '\\')[1]; - base_found: -#endif - len = (size_t)(p - conf_path); - s = emalloc(len + strlen(settings->hook_file.value) + 1U); - memcpy(s, conf_path, len); - stpcpy(&s[len], settings->hook_file.value); - free(settings->hook_file.value); - settings->hook_file.value = s; -#ifdef WINDOWS - /* Used extended path is too long */ - if (settings->hook_file.value[0] != '\\' && (len = strlen(settings->hook_file.value)) >= 260) { - /* We have already made sure the path is absolute, so \ prefix is always extended or network path */ - settings->hook_file.value = erealloc(settings->hook_file.value, len + sizeof("\\\\?\\")); - memmove(&settings->hook_file.value[4], &settings->hook_file.value, len + 1U); - settings->hook_file.value[0] = '\\'; - settings->hook_file.value[1] = '\\'; - settings->hook_file.value[2] = '?'; - settings->hook_file.value[3] = '\\'; - } -#endif - } - free(conf_pathbuf); -absolute_hook_path: - - /* Publish loaded settings */ - if (mode == PROGRAM_MODE_ONE_SHOT && settings->until_death) - mode = PROGRAM_MODE_UNTIL_DEATH; - hook_file = settings->hook_file.value, settings->hook_file.value = NULL; - preserve_gamma = settings->preserve_gamma.value; - use_fade = settings->use_fade.value; - disable ^= settings->disabled.value; - day_settings.temperature = settings->day.temperature.value; - day_settings.brightness = settings->day.brightness.value; - day_settings.gamma[0] = settings->day.gamma.value[0]; - day_settings.gamma[1] = settings->day.gamma.value[1]; - day_settings.gamma[2] = settings->day.gamma.value[2]; - night_settings.temperature = settings->night.temperature.value; - night_settings.brightness = settings->night.brightness.value; - night_settings.gamma[0] = settings->night.gamma.value[0]; - night_settings.gamma[1] = settings->night.gamma.value[1]; - night_settings.gamma[2] = settings->night.gamma.value[2]; - if (!memcmp(&day_settings, &night_settings, sizeof(day_settings))) { - /* If the effects are the same throughout the day, do not use a transition scheme */ - scheme.type = STATIC_SCHEME; - } else if (scheme.type == SOLAR_SCHEME) { - scheme.elevation.high = settings->elevation_high.value; - scheme.elevation.low = settings->elevation_low.value; - scheme.elevation.range = scheme.elevation.high - scheme.elevation.low; - } else if (scheme.type == CLOCK_SCHEME) { - scheme.time.periods = &scheme.time.periods_array[0]; - scheme.time.periods_array[0].start = settings->dawn_start.value; - scheme.time.periods_array[0].day_level = 0.0; - scheme.time.periods_array[1].start = settings->dawn_end.value; - scheme.time.periods_array[1].day_level = 1.0; - scheme.time.periods_array[2].start = settings->dusk_start.value; - scheme.time.periods_array[2].day_level = 1.0; - scheme.time.periods_array[3].start = settings->dusk_end.value; - scheme.time.periods_array[3].day_level = 0.0; - for (i = 0; i < 4; i++) { - j = (i + 1) % 4; - scheme.time.periods_array[i].next = &scheme.time.periods_array[j]; - duration = scheme.time.periods_array[j].start - scheme.time.periods_array[i].start; - if (duration < 0) - duration += ONE_DAY; - scheme.time.periods_array[i].diff_over_duration = scheme.time.periods_array[j].day_level; - scheme.time.periods_array[i].diff_over_duration -= scheme.time.periods_array[i].day_level; - scheme.time.periods_array[i].diff_over_duration /= duration ? (double)duration : 1.0; - } - } -settings_published: - - /* Output settings */ - if (verbose) { - if (scheme.type == SOLAR_SCHEME) { - /* TRANSLATORS: Append degree symbols if possible. */ - printf(_("Solar elevations: day above %.1f, night below %.1f\n"), - scheme.elevation.high, scheme.elevation.low); - } else if (scheme.type == CLOCK_SCHEME) { - printf(_("Schedule:\n")); - current = first = scheme.time.periods; - do { - printf(_(" %.2f%% day at %02u:%02u:%02u\n"), - current->day_level * 100, (unsigned)(current->start / 60 / 60 % 24), - (unsigned)(current->start / 60 % 60), (unsigned)(current->start % 60)); - } while ((current = current->next) != first); - printf(_("(End of schedule)\n")); - } - printf(_("Temperatures: %luK at day, %luK at night\n"), - day_settings.temperature, night_settings.temperature); - printf(_("Brightness: %.2f:%.2f\n"), settings->day.brightness.value, settings->night.brightness.value); - /* TRANSLATORS: The string in parenthesis is either Daytime or Night (translated). */ - printf(_("Gamma (%s): %.3f, %.3f, %.3f\n"), _("Daytime"), - day_settings.gamma[0], day_settings.gamma[1], day_settings.gamma[2]); - printf(_("Gamma (%s): %.3f, %.3f, %.3f\n"), _("Night"), - night_settings.gamma[0], night_settings.gamma[1], night_settings.gamma[2]); - } - - return; - -invalid_twilight: - eprintf(_("Invalid dawn/dusk time configuration!")); -} |