src/conf.c

   1 /* ncmpc (Ncurses MPD Client)
   2  * (c) 2004-2017 The Music Player Daemon Project
   3  * Project homepage: http://musicpd.org
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19
  20 #include "conf.h"
  21 #include "config.h"
  22 #include "defaults.h"
  23 #include "i18n.h"
  24 #include "command.h"
  25 #include "colors.h"
  26 #include "screen_list.h"
  27 #include "options.h"
  28
  29 #include <assert.h>
  30 #include <ctype.h>
  31 #include <stdio.h>
  32 #include <errno.h>
  33 #include <stdlib.h>
  34 #include <string.h>
  35 #include <glib.h>
  36 #include <glib/gstdio.h>
  37
  38 #define MAX_LINE_LENGTH 1024
  39 #define COMMENT_TOKEN '#'
  40
  41 /* configuration field names */
  42 #define CONF_ENABLE_COLORS "enable-colors"
  43 #define CONF_SCROLL_OFFSET "scroll-offset"
  44 #define CONF_AUTO_CENTER "auto-center"
  45 #define CONF_WIDE_CURSOR "wide-cursor"
  46 #define CONF_KEY_DEFINITION "key"
  47 #define CONF_COLOR "color"
  48 #define CONF_COLOR_DEFINITION "colordef"
  49 #define CONF_LIST_FORMAT "list-format"
  50 #define CONF_SEARCH_FORMAT "search-format"
  51 #define CONF_STATUS_FORMAT "status-format"
  52 #define CONF_XTERM_TITLE_FORMAT "xterm-title-format"
  53 #define CONF_LIST_WRAP "wrap-around"
  54 #define CONF_FIND_WRAP "find-wrap"
  55 #define CONF_FIND_SHOW_LAST "find-show-last"
  56 #define CONF_AUDIBLE_BELL "audible-bell"
  57 #define CONF_VISIBLE_BELL "visible-bell"
  58 #define CONF_BELL_ON_WRAP "bell-on-wrap"
  59 #define CONF_STATUS_MESSAGE_TIME "status-message-time"
  60 #define CONF_XTERM_TITLE "set-xterm-title"
  61 #define CONF_ENABLE_MOUSE "enable-mouse"
  62 #define CONF_CROSSFADE_TIME "crossfade-time"
  63 #define CONF_SEARCH_MODE "search-mode"
  64 #define CONF_HIDE_CURSOR "hide-cursor"
  65 #define CONF_SEEK_TIME "seek-time"
  66 #define CONF_SCREEN_LIST "screen-list"
  67 #define CONF_TIMEDISPLAY_TYPE "timedisplay-type"
  68 #define CONF_HOST "host"
  69 #define CONF_PORT "port"
  70 #define CONF_PASSWORD "password"
  71 #define CONF_TIMEOUT "timeout"
  72 #define CONF_LYRICS_TIMEOUT "lyrics-timeout"
  73 #define CONF_SCROLL "scroll"
  74 #define CONF_SCROLL_SEP "scroll-sep"
  75 #define CONF_VISIBLE_BITRATE "visible-bitrate"
  76 #define CONF_HARDWARE_CURSOR "hardware-cursor"
  77 #define CONF_WELCOME_SCREEN_LIST "welcome-screen-list"
  78 #define CONF_DISPLAY_TIME "display-time"
  79 #define CONF_JUMP_PREFIX_ONLY "jump-prefix-only"
  80 #define CONF_LYRICS_AUTOSAVE "lyrics-autosave"
  81 #define CONF_LYRICS_SHOW_PLUGIN "lyrics-show-plugin"
  82 #define CONF_TEXT_EDITOR "text-editor"
  83 #define CONF_TEXT_EDITOR_ASK "text-editor-ask"
  84 #define CONF_CHAT_PREFIX "chat-prefix"
  85 #define CONF_SECOND_COLUMN "second-column"
  86
  87 gcc_const
  88 static bool
  89 is_space_not_null(char ch)
  90 {
  91         unsigned char uch = (unsigned char)ch;
  92         return uch <= 0x20 && uch > 0;
  93 }
  94
  95 /**
  96  * Returns the first non-space character (or a pointer to the null
  97  * terminator).  Similar to g_strchug(), but just moves the pointer
  98  * forward without modifying the string contents.
  99  */
 100 gcc_pure
 101 static char *
 102 skip_spaces(char *p)
 103 {
 104         while (is_space_not_null(*p))
 105                 ++p;
 106         return p;
 107 }
 108
 109 static bool
 110 str2bool(char *str)
 111 {
 112         return strcasecmp(str, "yes") == 0 || strcasecmp(str, "true") == 0 ||
 113                 strcasecmp(str, "on") == 0 || strcasecmp(str, "1") == 0;
 114 }
 115
 116 static void
 117 print_error(const char *msg, const char *input)
 118 {
 119         fprintf(stderr, "%s: %s ('%s')\n",
 120                 /* To translators: prefix for error messages */
 121                 _("Error"), msg, input);
 122 }
 123
 124 gcc_const
 125 static bool
 126 is_word_char(char ch)
 127 {
 128         return g_ascii_isalnum(ch) || ch == '-' || ch == '_';
 129 }
 130
 131 static char *
 132 after_unquoted_word(char *p)
 133 {
 134         if (!is_word_char(*p)) {
 135                 print_error(_("Word expected"), p);
 136                 return NULL;
 137         }
 138
 139         ++p;
 140
 141         while (is_word_char(*p))
 142                 ++p;
 143
 144         return p;
 145 }
 146
 147 static int
 148 parse_key_value(char *str, char **end)
 149 {
 150         if (*str == '\'') {
 151                 if (str[1] == '\'' || str[2] != '\'') {
 152                         print_error(_("Malformed hotkey definition"), str);
 153                         return -1;
 154                 }
 155
 156                 *end = str + 3;
 157                 return str[1];
 158         } else {
 159                 long value = strtol(str, end, 0);
 160                 if (*end == str) {
 161                         print_error(_("Malformed hotkey definition"), str);
 162                         return -1;
 163                 }
 164
 165                 return (int)value;
 166         }
 167 }
 168
 169 static bool
 170 parse_key_definition(char *str)
 171 {
 172         /* get the command name */
 173         const size_t len = strlen(str);
 174         size_t i = 0;
 175         int j = 0;
 176         char buf[MAX_LINE_LENGTH];
 177         memset(buf, 0, MAX_LINE_LENGTH);
 178         while (i < len && str[i] != '=' && !g_ascii_isspace(str[i]))
 179                 buf[j++] = str[i++];
 180
 181         command_t cmd = get_key_command_from_name(buf);
 182         if(cmd == CMD_NONE) {
 183                 /* the hotkey configuration contains an unknown
 184                    command */
 185                 print_error(_("Unknown command"), buf);
 186                 return false;
 187         }
 188
 189         /* skip whitespace */
 190         while (i < len && (str[i] == '=' || g_ascii_isspace(str[i])))
 191                 i++;
 192
 193         /* get the value part */
 194         memset(buf, 0, MAX_LINE_LENGTH);
 195         g_strlcpy(buf, str+i, MAX_LINE_LENGTH);
 196         if (*buf == 0) {
 197                 /* the hotkey configuration line is incomplete */
 198                 print_error(_("Incomplete hotkey configuration"), str);
 199                 return false;
 200         }
 201
 202         /* parse key values */
 203         i = 0;
 204         int key = 0;
 205         char *p = buf;
 206
 207         int keys[MAX_COMMAND_KEYS];
 208         memset(keys, 0, sizeof(int)*MAX_COMMAND_KEYS);
 209         while (i < MAX_COMMAND_KEYS && *p != 0 &&
 210                (key = parse_key_value(p, &p)) >= 0) {
 211                 keys[i++] = key;
 212                 while (*p==',' || *p==' ' || *p=='\t')
 213                         p++;
 214         }
 215
 216         if (key < 0)
 217                 return false;
 218
 219         return assign_keys(cmd, keys);
 220 }
 221
 222 static bool
 223 parse_timedisplay_type(const char *str)
 224 {
 225         if (strcmp(str, "elapsed") == 0)
 226                 return false;
 227         else if (strcmp(str, "remaining") == 0)
 228                 return true;
 229         else {
 230                 /* translators: ncmpc supports displaying the
 231                    "elapsed" or "remaining" time of a song being
 232                    played; in this case, the configuration file
 233                    contained an invalid setting */
 234                 print_error(_("Bad time display type"), str);
 235                 return false;
 236         }
 237 }
 238
 239 #ifdef ENABLE_COLORS
 240 static char *
 241 separate_value(char *p)
 242 {
 243         char *value = strchr(p, '=');
 244         if (value == NULL) {
 245                 /* an equals sign '=' was expected while parsing a
 246                    configuration file line */
 247                 fprintf(stderr, "%s\n", _("Missing '='"));
 248                 return NULL;
 249         }
 250
 251         *value++ = 0;
 252
 253         g_strchomp(p);
 254         return skip_spaces(value);
 255 }
 256
 257 static bool
 258 parse_color(char *str)
 259 {
 260         char *value = separate_value(str);
 261         if (value == NULL)
 262                 return false;
 263
 264         return colors_assign(str, value);
 265 }
 266
 267 /**
 268  * Returns the first non-whitespace character after the next comma
 269  * character, or the end of the string.  This is used to parse comma
 270  * separated values.
 271  */
 272 static char *
 273 after_comma(char *p)
 274 {
 275         char *comma = strchr(p, ',');
 276
 277         if (comma != NULL) {
 278                 *comma++ = 0;
 279                 comma = skip_spaces(comma);
 280         } else
 281                 comma = p + strlen(p);
 282
 283         g_strchomp(p);
 284         return comma;
 285 }
 286
 287 static bool
 288 parse_color_definition(char *str)
 289 {
 290         char *value = separate_value(str);
 291         if (value == NULL)
 292                 return false;
 293
 294         /* get the command name */
 295         short color = colors_str2color(str);
 296         if (color < 0) {
 297                 char buf[MAX_LINE_LENGTH];
 298                 print_error(_("Bad color name"), buf);
 299                 return false;
 300         }
 301
 302         /* parse r,g,b values */
 303
 304         short rgb[3];
 305         for (unsigned i = 0; i < 3; ++i) {
 306                 char *next = after_comma(value), *endptr;
 307                 if (*value == 0) {
 308                         print_error(_("Incomplete color definition"), str);
 309                         return false;
 310                 }
 311
 312                 rgb[i] = strtol(value, &endptr, 0);
 313                 if (endptr == value || *endptr != 0) {
 314                         print_error(_("Invalid number"), value);
 315                         return false;
 316                 }
 317
 318                 value = next;
 319         }
 320
 321         if (*value != 0) {
 322                 print_error(_("Malformed color definition"), str);
 323                 return false;
 324         }
 325
 326         return colors_define(str, rgb[0], rgb[1], rgb[2]);
 327 }
 328 #endif
 329
 330 static char *
 331 get_format(char *str)
 332 {
 333         gsize len = strlen(str);
 334
 335         if (str && str[0]=='\"' && str[len-1] == '\"') {
 336                 str[len - 1] = '\0';
 337                 str++;
 338         }
 339
 340         return g_strdup(str);
 341 }
 342
 343 static char **
 344 check_screen_list(char *value)
 345 {
 346         char **tmp = g_strsplit_set(value, " \t,", 100);
 347         char **screen = NULL;
 348         int i = 0, j = 0;
 349
 350         while( tmp && tmp[i] ) {
 351                 char *name = g_ascii_strdown(tmp[i], -1);
 352                 if (*name != '\0') {
 353                         if (screen_lookup_name(name) == NULL) {
 354                                 /* an unknown screen name was specified in the
 355                                    configuration file */
 356                                 print_error(_("Unknown screen name"), name);
 357                                 free(name);
 358                         } else {
 359                                 screen = g_realloc(screen, (j+2)*sizeof(char *));
 360                                 screen[j++] = name;
 361                                 screen[j] = NULL;
 362                         }
 363                 }
 364                 i++;
 365         }
 366         g_strfreev(tmp);
 367         if( screen == NULL )
 368                 return g_strsplit_set(DEFAULT_SCREEN_LIST, " ", 0);
 369
 370         return screen;
 371 }
 372
 373 static int
 374 get_search_mode(char *value)
 375 {
 376         char * test;
 377         const int mode = strtol(value, &test, 10);
 378         if (*test == '\0')
 379         {
 380                 if (0 <= mode && mode <= 4)
 381                         return mode;
 382                 else
 383                 {
 384                         print_error(_("Invalid search mode"),value);
 385                         return 0;
 386                 }
 387         }
 388         else
 389         {
 390                 for (int i = 0; value[i] != '\0'; i++)
 391                         value[i] = tolower(value[i]);
 392
 393                 // TODO: modify screen_search so that its own list of modes can be used
 394                 // for comparison instead of specifying them here
 395                 if (strcmp(value, "title") == 0)
 396                         return 0;
 397                 else if (strcmp(value, "artist") == 0)
 398                         return 1;
 399                 else if (strcmp(value, "album") == 0)
 400                         return 2;
 401                 else if (strcmp(value, "filename") == 0)
 402                         return 3;
 403                 else if (strcmp(value, "artist+album") == 0)
 404                         return 4;
 405                 else
 406                 {
 407                         print_error(_("Unknown search mode"),value);
 408                         return 0;
 409                 }
 410         }
 411 }
 412
 413 static bool
 414 parse_line(char *line)
 415 {
 416         /* get the name part */
 417         char *const name = line;
 418         char *const name_end = after_unquoted_word(line);
 419         if (name_end == NULL)
 420                 return false;
 421
 422         line = skip_spaces(name_end);
 423         if (*line == '=') {
 424                 ++line;
 425                 line = skip_spaces(line);
 426         } else if (line == name_end) {
 427                 print_error(_("Missing '='"), name_end);
 428                 return false;
 429         }
 430
 431         *name_end = 0;
 432
 433         /* get the value part */
 434         char *const value = line;
 435
 436         /* key definition */
 437         if (!strcasecmp(CONF_KEY_DEFINITION, name))
 438                 parse_key_definition(value);
 439         /* enable colors */
 440         else if(!strcasecmp(CONF_ENABLE_COLORS, name))
 441 #ifdef ENABLE_COLORS
 442                 options.enable_colors = str2bool(value);
 443 #else
 444         {}
 445 #endif
 446         else if (!strcasecmp(CONF_SCROLL_OFFSET, name))
 447                 options.scroll_offset = atoi(value);
 448         /* auto center */
 449         else if (!strcasecmp(CONF_AUTO_CENTER, name))
 450                 options.auto_center = str2bool(value);
 451         /* color assignment */
 452         else if (!strcasecmp(CONF_COLOR, name))
 453 #ifdef ENABLE_COLORS
 454                 parse_color(value);
 455 #else
 456         {}
 457 #endif
 458         /* wide cursor */
 459         else if (!strcasecmp(CONF_WIDE_CURSOR, name))
 460                 options.wide_cursor = str2bool(value);
 461         else if (strcasecmp(name, CONF_HARDWARE_CURSOR) == 0)
 462                 options.hardware_cursor = str2bool(value);
 463         /* welcome screen list */
 464         else if (!strcasecmp(CONF_WELCOME_SCREEN_LIST, name))
 465                 options.welcome_screen_list = str2bool(value);
 466         /* visible bitrate */
 467         else if (!strcasecmp(CONF_VISIBLE_BITRATE, name))
 468                 options.visible_bitrate = str2bool(value);
 469         /* timer display type */
 470         else if (!strcasecmp(CONF_TIMEDISPLAY_TYPE, name))
 471                 options.display_remaining_time = parse_timedisplay_type(value);
 472                 /* color definition */
 473         else if (!strcasecmp(CONF_COLOR_DEFINITION, name))
 474 #ifdef ENABLE_COLORS
 475                 parse_color_definition(value);
 476 #else
 477         {}
 478 #endif
 479         /* list format string */
 480         else if (!strcasecmp(CONF_LIST_FORMAT, name)) {
 481                 g_free(options.list_format);
 482                 options.list_format = get_format(value);
 483                 /* search format string */
 484         } else if (!strcasecmp(CONF_SEARCH_FORMAT, name)) {
 485                 g_free(options.search_format);
 486                 options.search_format = get_format(value);
 487                 /* status format string */
 488         } else if (!strcasecmp(CONF_STATUS_FORMAT, name)) {
 489                 g_free(options.status_format);
 490                 options.status_format = get_format(value);
 491                 /* xterm title format string */
 492         } else if (!strcasecmp(CONF_XTERM_TITLE_FORMAT, name)) {
 493                 g_free(options.xterm_title_format);
 494                 options.xterm_title_format = get_format(value);
 495         } else if (!strcasecmp(CONF_LIST_WRAP, name))
 496                 options.list_wrap = str2bool(value);
 497         else if (!strcasecmp(CONF_FIND_WRAP, name))
 498                 options.find_wrap = str2bool(value);
 499         else if (!strcasecmp(CONF_FIND_SHOW_LAST,name))
 500                 options.find_show_last_pattern = str2bool(value);
 501         else if (!strcasecmp(CONF_AUDIBLE_BELL, name))
 502                 options.audible_bell = str2bool(value);
 503         else if (!strcasecmp(CONF_VISIBLE_BELL, name))
 504                 options.visible_bell = str2bool(value);
 505         else if (!strcasecmp(CONF_BELL_ON_WRAP, name))
 506                 options.bell_on_wrap = str2bool(value);
 507         else if (!strcasecmp(CONF_STATUS_MESSAGE_TIME, name))
 508                 options.status_message_time = atoi(value);
 509         else if (!strcasecmp(CONF_XTERM_TITLE, name))
 510                 options.enable_xterm_title = str2bool(value);
 511         else if (!strcasecmp(CONF_ENABLE_MOUSE, name))
 512 #ifdef HAVE_GETMOUSE
 513                 options.enable_mouse = str2bool(value);
 514 #else
 515         {}
 516 #endif
 517         else if (!strcasecmp(CONF_CROSSFADE_TIME, name))
 518                 options.crossfade_time = atoi(value);
 519         else if (!strcasecmp(CONF_SEARCH_MODE, name))
 520                 options.search_mode = get_search_mode(value);
 521         else if (!strcasecmp(CONF_HIDE_CURSOR, name))
 522                 options.hide_cursor = atoi(value);
 523         else if (!strcasecmp(CONF_SEEK_TIME, name))
 524                 options.seek_time = atoi(value);
 525         else if (!strcasecmp(CONF_SCREEN_LIST, name)) {
 526                 g_strfreev(options.screen_list);
 527                 options.screen_list = check_screen_list(value);
 528         } else if (!strcasecmp(CONF_HOST, name))
 529                 options.host = get_format(value);
 530         else if (!strcasecmp(CONF_PORT, name))
 531                 options.port = atoi(get_format(value));
 532         else if (!strcasecmp(CONF_PASSWORD, name))
 533                 options.password = get_format(value);
 534         else if (!strcasecmp(CONF_TIMEOUT, name))
 535                 options.timeout_ms = atoi(get_format(value))
 536                                      * 1000 /* seconds -> milliseconds */;
 537         else if (!strcasecmp(CONF_LYRICS_TIMEOUT, name))
 538 #ifdef ENABLE_LYRICS_SCREEN
 539                 options.lyrics_timeout = atoi(get_format(value));
 540 #else
 541         {}
 542 #endif
 543         else if (!strcasecmp(CONF_SCROLL, name))
 544                 options.scroll = str2bool(value);
 545         else if (!strcasecmp(CONF_SCROLL_SEP, name)) {
 546                 g_free(options.scroll_sep);
 547                 options.scroll_sep = get_format(value);
 548         } else if (!strcasecmp(CONF_DISPLAY_TIME, name))
 549                 /* obsolete, ignore */
 550                 {}
 551         else if (!strcasecmp(CONF_JUMP_PREFIX_ONLY, name))
 552 #ifdef NCMPC_MINI
 553                 {}
 554 #else
 555                 options.jump_prefix_only = str2bool(value);
 556 #endif
 557         else if (!strcasecmp(CONF_LYRICS_AUTOSAVE, name))
 558 #ifdef ENABLE_LYRICS_SCREEN
 559                 options.lyrics_autosave = str2bool(value);
 560 #else
 561         {}
 562 #endif
 563         else if (!strcasecmp(CONF_LYRICS_SHOW_PLUGIN, name))
 564 #ifdef ENABLE_LYRICS_SCREEN
 565                 options.lyrics_show_plugin = str2bool(value);
 566 #else
 567                 {}
 568 #endif
 569         else if (!strcasecmp(name, CONF_TEXT_EDITOR))
 570 #ifdef ENABLE_LYRICS_SCREEN
 571                 {
 572                         g_free(options.text_editor);
 573                         options.text_editor = get_format(value);
 574                 }
 575 #else
 576                 {}
 577 #endif
 578         else if (!strcasecmp(name, CONF_TEXT_EDITOR_ASK))
 579 #ifdef ENABLE_LYRICS_SCREEN
 580                 options.text_editor_ask = str2bool(value);
 581 #else
 582                 {}
 583 #endif
 584         else if (!strcasecmp(name, CONF_CHAT_PREFIX))
 585 #ifdef ENABLE_CHAT_SCREEN
 586                 options.chat_prefix = get_format(value);
 587 #else
 588                 {}
 589 #endif
 590         else if (!strcasecmp(CONF_SECOND_COLUMN, name))
 591 #ifdef NCMPC_MINI
 592                 {}
 593 #else
 594                 options.second_column = str2bool(value);
 595 #endif
 596         else {
 597                 print_error(_("Unknown configuration parameter"), name);
 598                 return false;
 599         }
 600
 601         return true;
 602 }
 603
 604 static int
 605 read_rc_file(char *filename)
 606 {
 607         assert(filename != NULL);
 608
 609         FILE *file = fopen(filename, "r");
 610         if (file == NULL) {
 611                 perror(filename);
 612                 return -1;
 613         }
 614
 615         char line[MAX_LINE_LENGTH];
 616         while (fgets(line, sizeof(line), file) != NULL) {
 617                 char *p = skip_spaces(line);
 618
 619                 if (*p != 0 && *p != COMMENT_TOKEN)
 620                         parse_line(g_strchomp(p));
 621         }
 622
 623         fclose(file);
 624         return 0;
 625 }
 626
 627 bool
 628 check_user_conf_dir(void)
 629 {
 630         char *directory = g_build_filename(g_get_home_dir(), "." PACKAGE, NULL);
 631
 632         if (g_file_test(directory, G_FILE_TEST_IS_DIR)) {
 633                 g_free(directory);
 634                 return true;
 635         }
 636
 637         bool success = g_mkdir(directory, 0755) == 0;
 638         g_free(directory);
 639         return success;
 640 }
 641
 642 char *
 643 build_user_conf_filename(void)
 644 {
 645 #ifdef WIN32
 646         return g_build_filename(g_get_user_config_dir(), PACKAGE, "ncmpc.conf", NULL);
 647 #else
 648         return g_build_filename(g_get_home_dir(), "." PACKAGE, "config", NULL);
 649 #endif
 650 }
 651
 652 char *
 653 build_system_conf_filename(void)
 654 {
 655 #ifdef WIN32
 656         const gchar* const *system_data_dirs;
 657         gchar *pathname = NULL;
 658
 659         for (system_data_dirs = g_get_system_config_dirs (); *system_data_dirs != NULL; system_data_dirs++)
 660         {
 661                 pathname = g_build_filename(*system_data_dirs, PACKAGE, "ncmpc.conf", NULL);
 662                 if (g_file_test(pathname, G_FILE_TEST_EXISTS))
 663                 {
 664                         break;
 665                 }
 666                 else
 667                 {
 668                         g_free (pathname);
 669                         pathname = NULL;
 670                 }
 671         }
 672         return pathname;
 673 #else
 674         return g_build_filename(SYSCONFDIR, PACKAGE, "config", NULL);
 675 #endif
 676 }
 677
 678 char *
 679 build_user_key_binding_filename(void)
 680 {
 681 #ifdef WIN32
 682         return g_build_filename(g_get_user_config_dir(), PACKAGE, "keys.conf", NULL);
 683 #else
 684         return g_build_filename(g_get_home_dir(), "." PACKAGE, "keys", NULL);
 685 #endif
 686 }
 687
 688 static char *
 689 g_build_system_key_binding_filename(void)
 690 {
 691 #ifdef WIN32
 692         const gchar* const *system_data_dirs;
 693         gchar *pathname = NULL;
 694
 695         for (system_data_dirs = g_get_system_config_dirs (); *system_data_dirs != NULL; system_data_dirs++)
 696         {
 697                 pathname = g_build_filename(*system_data_dirs, PACKAGE, "keys.conf", NULL);
 698                 if (g_file_test(pathname, G_FILE_TEST_EXISTS))
 699                 {
 700                         break;
 701                 }
 702                 else
 703                 {
 704                         g_free (pathname);
 705                         pathname = NULL;
 706                 }
 707         }
 708         return pathname;
 709 #else
 710         return g_build_filename(SYSCONFDIR, PACKAGE, "keys", NULL);
 711 #endif
 712 }
 713
 714 static char *
 715 find_config_file(void)
 716 {
 717         /* check for command line configuration file */
 718         if (options.config_file != NULL)
 719                 return g_strdup(options.config_file);
 720
 721         /* check for user configuration ~/.ncmpc/config */
 722         char *filename = build_user_conf_filename();
 723         if (g_file_test(filename, G_FILE_TEST_IS_REGULAR))
 724                 return filename;
 725
 726         g_free(filename);
 727
 728         /* check for  global configuration SYSCONFDIR/ncmpc/config */
 729         filename = build_system_conf_filename();
 730         if (g_file_test(filename, G_FILE_TEST_IS_REGULAR))
 731                 return filename;
 732
 733         g_free(filename);
 734         return NULL;
 735 }
 736
 737 static char *
 738 find_keys_file(void)
 739 {
 740         /* check for command line key binding file */
 741         if (options.key_file != NULL)
 742                 return g_strdup(options.key_file);
 743
 744         /* check for  user key bindings ~/.ncmpc/keys */
 745         char *filename = build_user_key_binding_filename();
 746         if (g_file_test(filename, G_FILE_TEST_IS_REGULAR))
 747                 return filename;
 748
 749         g_free(filename);
 750
 751         /* check for  global key bindings SYSCONFDIR/ncmpc/keys */
 752         filename = g_build_system_key_binding_filename();
 753         if (g_file_test(filename, G_FILE_TEST_IS_REGULAR))
 754                 return filename;
 755
 756         g_free(filename);
 757         return NULL;
 758 }
 759
 760 void
 761 read_configuration(void)
 762 {
 763         /* load configuration */
 764         char *filename = find_config_file();
 765         if (filename != NULL) {
 766                 read_rc_file(filename);
 767                 g_free(filename);
 768         }
 769
 770         /* load key bindings */
 771         filename = find_keys_file();
 772         if (filename != NULL) {
 773                 read_rc_file(filename);
 774                 g_free(filename);
 775         }
 776 }