src/args.c

   1 /*
   2    Handle command line arguments.
   3
   4    Copyright (C) 2009 The Free Software Foundation, Inc.
   5
   6    Written by:
   7    Slava Zanko <slavazanko@gmail.com>, 2009.
   8
   9    This file is part of the Midnight Commander.
  10
  11    The Midnight Commander is free software; you can redistribute it
  12    and/or modify it under the terms of the GNU General Public License as
  13    published by the Free Software Foundation; either version 2 of the
  14    License, or (at your option) any later version.
  15
  16    The Midnight Commander is distributed in the hope that it will be
  17    useful, but WITHOUT ANY WARRANTY; without even the implied warranty
  18    of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19    General Public License for more details.
  20
  21    You should have received a copy of the GNU General Public License
  22    along with this program; if not, write to the Free Software
  23    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  24    MA 02110-1301, USA.
  25  */
  26
  27 #include <config.h>
  28 #include <stdlib.h>
  29 #include <stdio.h>
  30
  31 #include "lib/global.h"
  32 #include "lib/tty/tty.h"
  33 #include "lib/tty/color.h"      /* command_line_colors */
  34 #include "lib/tty/mouse.h"
  35 #include "lib/strutil.h"
  36 #include "lib/vfs/mc-vfs/vfs.h"
  37 #ifdef ENABLE_VFS_SMB
  38 #include "lib/vfs/mc-vfs/smbfs.h"       /* smbfs_set_debugf()  */
  39 #endif
  40 #include "lib/util.h"           /* x_basename() */
  41
  42 #include "src/main.h"
  43 #include "src/textconf.h"
  44 #include "src/subshell.h"       /* use_subshell */
  45
  46 #include "src/args.h"
  47
  48 /*** external variables **************************************************************************/
  49
  50 /*** global variables ****************************************************************************/
  51
  52 /* If true, show version info and exit */
  53 gboolean mc_args__show_version = FALSE;
  54
  55 /* If true, assume we are running on an xterm terminal */
  56 gboolean mc_args__force_xterm = FALSE;
  57
  58 gboolean mc_args__nomouse = FALSE;
  59
  60 /* For slow terminals */
  61 gboolean mc_args__slow_terminal = FALSE;
  62
  63 /* If true use +, -, | for line drawing */
  64 gboolean mc_args__ugly_line_drawing = FALSE;
  65
  66 /* Set to force black and white display at program startup */
  67 gboolean mc_args__disable_colors = FALSE;
  68
  69 /* Force colors, only used by Slang */
  70 gboolean mc_args__force_colors = FALSE;
  71
  72 /* Line to start the editor on */
  73 int mc_args__edit_start_line = 0;
  74
  75 /* Show in specified skin */
  76 char *mc_args__skin = NULL;
  77
  78 char *mc_args__last_wd_file = NULL;
  79
  80 /* when enabled NETCODE, use folowing file as logfile */
  81 char *mc_args__netfs_logfile = NULL;
  82
  83 /* keymap file */
  84 char *mc_args__keymap_file = NULL;
  85
  86 /* Debug level */
  87 int mc_args__debug_level = 0;
  88
  89 /*** file scope macro definitions ****************************************************************/
  90
  91 /*** file scope type declarations ****************************************************************/
  92
  93 /*** file scope variables ************************************************************************/
  94
  95 /* forward declarations */
  96 static gboolean parse_mc_e_argument (const gchar * option_name, const gchar * value,
  97                                      gpointer data, GError ** error);
  98 static gboolean parse_mc_v_argument (const gchar * option_name, const gchar * value,
  99                                      gpointer data, GError ** error);
 100
 101 static GOptionContext *context;
 102
 103 static gboolean mc_args__nouse_subshell = FALSE;
 104 static gboolean mc_args__show_datadirs = FALSE;
 105
 106 static GOptionGroup *main_group;
 107
 108 static const GOptionEntry argument_main_table[] = {
 109     /* *INDENT-OFF* */
 110     /* generic options */
 111     {
 112      "version", 'V', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_NONE,
 113      &mc_args__show_version,
 114      N_("Displays the current version"),
 115      NULL
 116     },
 117
 118     /* options for wrappers */
 119     {
 120      "datadir", 'f', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_NONE,
 121      &mc_args__show_datadirs,
 122      N_("Print data directory"),
 123      NULL
 124     },
 125
 126     {
 127      "printwd", 'P', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_STRING,
 128      &mc_args__last_wd_file,
 129      N_("Print last working directory to specified file"),
 130      "<file>"
 131     },
 132
 133 #ifdef HAVE_SUBSHELL_SUPPORT
 134     {
 135      "subshell", 'U', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_NONE,
 136      &use_subshell,
 137      N_("Enables subshell support (default)"),
 138      NULL
 139     },
 140
 141     {
 142      "nosubshell", 'u', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_NONE,
 143      &mc_args__nouse_subshell,
 144      N_("Disables subshell support"),
 145      NULL
 146     },
 147 #endif
 148
 149     /* debug options */
 150 #ifdef ENABLE_VFS_FTP
 151     {
 152      "ftplog", 'l', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_STRING,
 153      &mc_args__netfs_logfile,
 154      N_("Log ftp dialog to specified file"),
 155      "<file>"
 156     },
 157 #endif /* ENABLE_VFS_FTP */
 158 #ifdef ENABLE_VFS_SMB
 159     {
 160      "debuglevel", 'D', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_INT,
 161      &mc_args__debug_level,
 162      N_("Set debug level"),
 163      "<integer>"
 164     },
 165 #endif /* ENABLE_VFS_SMB */
 166
 167     /* single file operations */
 168     {
 169      "view", 'v', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_CALLBACK,
 170      parse_mc_v_argument,
 171      N_("Launches the file viewer on a file"),
 172      "<file>"
 173     },
 174
 175     {
 176      "edit", 'e', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_CALLBACK,
 177      parse_mc_e_argument,
 178      N_("Edits one file"),
 179      "<file>"},
 180
 181     {
 182      NULL, '\0', 0, 0, NULL, NULL, NULL /* Complete struct initialization */
 183     }
 184     /* *INDENT-ON* */
 185 };
 186
 187 GOptionGroup *terminal_group;
 188 #define ARGS_TERM_OPTIONS 0
 189 static const GOptionEntry argument_terminal_table[] = {
 190     /* *INDENT-OFF* */
 191     /* terminal options */
 192     {
 193      "xterm", 'x', ARGS_TERM_OPTIONS, G_OPTION_ARG_NONE,
 194      &mc_args__force_xterm,
 195      N_("Forces xterm features"),
 196      NULL
 197     },
 198
 199     {
 200      "oldmouse", 'g', ARGS_TERM_OPTIONS, G_OPTION_ARG_NONE,
 201      &old_mouse,
 202      N_("Tries to use an old highlight mouse tracking"),
 203      NULL
 204     },
 205
 206     {
 207      "nomouse", 'd', ARGS_TERM_OPTIONS, G_OPTION_ARG_NONE,
 208      &mc_args__nomouse,
 209      N_("Disable mouse support in text version"),
 210      NULL
 211     },
 212
 213 #ifdef HAVE_SLANG
 214     {
 215      "termcap", 't', ARGS_TERM_OPTIONS, G_OPTION_ARG_NONE,
 216      &SLtt_Try_Termcap,
 217      N_("Tries to use termcap instead of terminfo"),
 218      NULL
 219     },
 220 #endif
 221
 222     {
 223      "slow", 's', ARGS_TERM_OPTIONS, G_OPTION_ARG_NONE,
 224      &mc_args__slow_terminal,
 225      N_("To run on slow terminals"),
 226      NULL
 227     },
 228
 229     {
 230      "stickchars", 'a', ARGS_TERM_OPTIONS, G_OPTION_ARG_NONE,
 231      &mc_args__ugly_line_drawing,
 232      N_("Use stickchars to draw"),
 233      NULL
 234     },
 235
 236     {
 237      "resetsoft", 'k', ARGS_TERM_OPTIONS, G_OPTION_ARG_NONE,
 238      &reset_hp_softkeys,
 239      N_("Resets soft keys on HP terminals"),
 240      NULL
 241     },
 242
 243     {
 244      "keymap", 'K', ARGS_TERM_OPTIONS, G_OPTION_ARG_STRING,
 245      &mc_args__keymap_file,
 246      N_("Load definitions of key bindings from specified file"),
 247      "<file>"
 248     },
 249
 250     {
 251      NULL, '\0', 0, 0, NULL, NULL, NULL /* Complete struct initialization */
 252     }
 253     /* *INDENT-ON* */
 254 };
 255
 256 #undef ARGS_TERM_OPTIONS
 257
 258 GOptionGroup *color_group;
 259 #define ARGS_COLOR_OPTIONS 0
 260 // #define ARGS_COLOR_OPTIONS G_OPTION_FLAG_IN_MAIN
 261 static const GOptionEntry argument_color_table[] = {
 262     /* *INDENT-OFF* */
 263     /* color options */
 264     {
 265      "nocolor", 'b', ARGS_COLOR_OPTIONS, G_OPTION_ARG_NONE,
 266      &mc_args__disable_colors,
 267      N_("Requests to run in black and white"),
 268      NULL
 269     },
 270
 271     {
 272      "color", 'c', ARGS_COLOR_OPTIONS, G_OPTION_ARG_NONE,
 273      &mc_args__force_colors,
 274      N_("Request to run in color mode"),
 275      NULL
 276     },
 277
 278     {
 279      "colors", 'C', ARGS_COLOR_OPTIONS, G_OPTION_ARG_STRING,
 280      &command_line_colors,
 281      N_("Specifies a color configuration"),
 282      "<string>"
 283     },
 284
 285     {
 286      "skin", 'S', ARGS_COLOR_OPTIONS, G_OPTION_ARG_STRING,
 287      &mc_args__skin,
 288      N_("Show mc with specified skin"),
 289      "<string>"
 290     },
 291
 292     {
 293      NULL, '\0', 0, 0, NULL, NULL, NULL /* Complete struct initialization */
 294     }
 295     /* *INDENT-ON* */
 296 };
 297
 298 #undef ARGS_COLOR_OPTIONS
 299
 300 static gchar *mc_args__loc__colors_string = NULL;
 301 static gchar *mc_args__loc__footer_string = NULL;
 302 static gchar *mc_args__loc__header_string = NULL;
 303 static gchar *mc_args__loc__usage_string = NULL;
 304
 305 /*** file scope functions ************************************************************************/
 306
 307 /* --------------------------------------------------------------------------------------------- */
 308 static void
 309 mc_args_clean_temp_help_strings (void)
 310 {
 311     g_free (mc_args__loc__colors_string);
 312     mc_args__loc__colors_string = NULL;
 313
 314     g_free (mc_args__loc__footer_string);
 315     mc_args__loc__footer_string = NULL;
 316
 317     g_free (mc_args__loc__header_string);
 318     mc_args__loc__header_string = NULL;
 319
 320     g_free (mc_args__loc__usage_string);
 321     mc_args__loc__usage_string = NULL;
 322 }
 323
 324 /* --------------------------------------------------------------------------------------------- */
 325
 326 static GOptionGroup *
 327 mc_args_new_color_group (void)
 328 {
 329     /* FIXME: to preserve translations, lines should be split. */
 330     mc_args__loc__colors_string = g_strdup_printf ("%s\n%s",
 331                                                    /* TRANSLATORS: don't translate keywords */
 332                                                    _("--colors KEYWORD={FORE},{BACK}\n\n"
 333                                                      "{FORE} and {BACK} can be omitted, and the default will be used\n"
 334                                                      "\n Keywords:\n"
 335                                                      "   Global:       errors, disabled, reverse, gauge, header\n"
 336                                                      "                 input, inputmark, inputunchanged, commandlinemark\n"
 337                                                      "                 bbarhotkey, bbarbutton, statusbar\n"
 338                                                      "   File display: normal, selected, marked, markselect\n"
 339                                                      "   Dialog boxes: dnormal, dfocus, dhotnormal, dhotfocus, errdhotnormal,\n"
 340                                                      "                 errdhotfocus\n"
 341                                                      "   Menus:        menunormal, menuhot, menusel, menuhotsel, menuinactive\n"
 342                                                      "   Popup menus:  pmenunormal, pmenusel, pmenutitle\n"
 343                                                      "   Editor:       editnormal, editbold, editmarked, editwhitespace,\n"
 344                                                      "                 editlinestate\n"
 345                                                      "   Viewer:       viewbold, viewunderline, viewselected\n"
 346                                                      "   Help:         helpnormal, helpitalic, helpbold, helplink, helpslink\n"),
 347                                                    /* TRANSLATORS: don't translate color names */
 348                                                    _("Colors:\n"
 349                                                     "   black, gray, red, brightred, green, brightgreen, brown,\n"
 350                                                     "   yellow, blue, brightblue, magenta, brightmagenta, cyan,\n"
 351                                                     "   brightcyan, lightgray and white\n\n"));
 352
 353     return g_option_group_new ("color", mc_args__loc__colors_string,
 354                                _("Color options"), NULL, NULL);
 355
 356 }
 357
 358 /* --------------------------------------------------------------------------------------------- */
 359
 360 static gchar *
 361 mc_args_add_usage_info (void)
 362 {
 363     mc_args__loc__usage_string = g_strdup_printf ("[%s] %s\n %s - %s\n",
 364                                                   _("+number"),
 365                                                   _("[this_dir] [other_panel_dir]"),
 366                                                   _("+number"),
 367                                                   _
 368                                                   ("Set initial line number for the internal editor"));
 369     return mc_args__loc__usage_string;
 370 }
 371
 372 /* --------------------------------------------------------------------------------------------- */
 373
 374 static void
 375 mc_args_add_extended_info_to_help (void)
 376 {
 377     mc_args__loc__footer_string = g_strdup_printf ("%s",
 378                                                    _
 379                                                    ("\n"
 380                                                     "Please send any bug reports (including the output of `mc -V')\n"
 381                                                     "as tickets at www.midnight-commander.org\n"));
 382     mc_args__loc__header_string = g_strdup_printf (_("GNU Midnight Commander %s\n"), VERSION);
 383
 384 #if GLIB_CHECK_VERSION(2,12,0)
 385     g_option_context_set_description (context, mc_args__loc__footer_string);
 386     g_option_context_set_summary (context, mc_args__loc__header_string);
 387 #endif
 388 }
 389
 390 /* --------------------------------------------------------------------------------------------- */
 391
 392 static void
 393 mc_setup_by_args (int argc, char *argv[])
 394 {
 395     const char *base;
 396     char *tmp;
 397
 398 #ifdef ENABLE_VFS_SMB
 399     if (mc_args__debug_level != 0)
 400         smbfs_set_debug (mc_args__debug_level);
 401 #endif /* ENABLE_VFS_SMB */
 402
 403     if (mc_args__netfs_logfile != NULL)
 404     {
 405 #ifdef ENABLE_VFS_FTP
 406         mc_setctl ("/#ftp:", VFS_SETCTL_LOGFILE, (void *) mc_args__netfs_logfile);
 407 #endif /* ENABLE_VFS_FTP */
 408 #ifdef ENABLE_VFS_SMB
 409         mc_setctl ("/#smb:", VFS_SETCTL_LOGFILE, (void *) mc_args__netfs_logfile);
 410 #endif /* ENABLE_VFS_SMB */
 411     }
 412
 413     base = x_basename (argv[0]);
 414     tmp = (argc > 0) ? argv[1] : NULL;
 415
 416     if (strncmp (base, "mce", 3) == 0 || strcmp (base, "vi") == 0)
 417     {
 418         /* mce* or vi is link to mc */
 419
 420         mc_run_param0 = g_strdup ("");
 421         if (tmp != NULL)
 422         {
 423             /*
 424              * Check for filename:lineno, followed by an optional colon.
 425              * This format is used by many programs (especially compilers)
 426              * in error messages and warnings. It is supported so that
 427              * users can quickly copy and paste file locations.
 428              */
 429             char *end, *p;
 430
 431             end = tmp + strlen (tmp);
 432             p = end;
 433
 434             if (p > tmp && p[-1] == ':')
 435                 p--;
 436             while (p > tmp && g_ascii_isdigit ((gchar) p[-1]))
 437                 p--;
 438             if (tmp < p && p < end && p[-1] == ':')
 439             {
 440                 char *fname;
 441                 struct stat st;
 442
 443                 fname = g_strndup (tmp, p - 1 - tmp);
 444                 /*
 445                  * Check that the file before the colon actually exists.
 446                  * If it doesn't exist, revert to the old behavior.
 447                  */
 448                 if (mc_stat (tmp, &st) == -1 && mc_stat (fname, &st) != -1)
 449                 {
 450                     mc_run_param0 = fname;
 451                     mc_args__edit_start_line = atoi (p);
 452                 }
 453                 else
 454                 {
 455                     g_free (fname);
 456                     goto try_plus_filename;
 457                 }
 458             }
 459             else
 460             {
 461               try_plus_filename:
 462                 if (*tmp == '+' && g_ascii_isdigit ((gchar) tmp[1]))
 463                 {
 464                     int start_line;
 465
 466                     start_line = atoi (tmp);
 467
 468                     /*
 469                      * If start_line is zero, position the cursor at the
 470                      * beginning of the file as other editors (vi, nano)
 471                      */
 472                     if (start_line == 0)
 473                         start_line++;
 474
 475                     if (start_line > 0)
 476                     {
 477                         char *file;
 478
 479                         file = (argc > 1) ? argv[2] : NULL;
 480                         if (file != NULL)
 481                         {
 482                             tmp = file;
 483                             mc_args__edit_start_line = start_line;
 484                         }
 485                     }
 486                 }
 487                 mc_run_param0 = g_strdup (tmp);
 488             }
 489         }
 490         mc_run_mode = MC_RUN_EDITOR;
 491     }
 492     else if (strncmp (base, "mcv", 3) == 0 || strcmp (base, "view") == 0)
 493     {
 494         /* mcv* or view is link to mc */
 495
 496         if (tmp != NULL)
 497             mc_run_param0 = g_strdup (tmp);
 498         else
 499         {
 500             fprintf (stderr, "%s\n", _("No arguments given to the viewer."));
 501             exit (EXIT_FAILURE);
 502         }
 503         mc_run_mode = MC_RUN_VIEWER;
 504     }
 505 #ifdef USE_DIFF_VIEW
 506     else if (strncmp (base, "mcd", 3) == 0 || strcmp (base, "diff") == 0)
 507     {
 508         /* mcd* or diff is link to mc */
 509
 510         if (argc < 3)
 511         {
 512             fprintf (stderr, "%s\n", _("Two files are required to evoke the diffviewer."));
 513             exit (EXIT_FAILURE);
 514         }
 515
 516         if (tmp != NULL)
 517         {
 518             mc_run_param0 = g_strdup (tmp);
 519             tmp = (argc > 1) ? argv[2] : NULL;
 520             if (tmp != NULL)
 521                 mc_run_param1 = g_strdup (tmp);
 522             mc_run_mode = MC_RUN_DIFFVIEWER;
 523         }
 524     }
 525 #endif /* USE_DIFF_VIEW */
 526     else
 527     {
 528         /* MC is run as mc */
 529
 530         switch (mc_run_mode)
 531         {
 532         case MC_RUN_EDITOR:
 533         case MC_RUN_VIEWER:
 534             /* mc_run_param0 is set up in parse_mc_e_argument() and parse_mc_v_argument() */
 535             break;
 536
 537         case MC_RUN_DIFFVIEWER:
 538             /* not implemented yet */
 539             break;
 540
 541         case MC_RUN_FULL:
 542         default:
 543             /* sets the current dir and the other dir */
 544             if (tmp != NULL)
 545             {
 546                 mc_run_param0 = g_strdup (tmp);
 547                 tmp = (argc > 1) ? argv[2] : NULL;
 548                 if (tmp != NULL)
 549                     mc_run_param1 = g_strdup (tmp);
 550             }
 551             mc_run_mode = MC_RUN_FULL;
 552             break;
 553         }
 554     }
 555 }
 556
 557 /* --------------------------------------------------------------------------------------------- */
 558
 559 static gboolean
 560 mc_args_process (int argc, char *argv[])
 561 {
 562     if (mc_args__show_version)
 563     {
 564         show_version ();
 565         return FALSE;
 566     }
 567     if (mc_args__show_datadirs)
 568     {
 569         printf ("%s (%s)\n", mc_home, mc_home_alt);
 570         return FALSE;
 571     }
 572
 573     if (mc_args__force_colors)
 574         mc_args__disable_colors = FALSE;
 575
 576 #ifdef HAVE_SUBSHELL_SUPPORT
 577     if (mc_args__nouse_subshell)
 578         use_subshell = 0;
 579 #endif /* HAVE_SUBSHELL_SUPPORT */
 580
 581     mc_setup_by_args (argc, argv);
 582
 583     return TRUE;
 584 }
 585
 586 /* --------------------------------------------------------------------------------------------- */
 587
 588 static gchar *
 589 mc_args__convert_help_to_syscharset (const gchar * charset, const gchar * error_message,
 590                                      const gchar * help_str)
 591 {
 592     GString *buffer = g_string_new ("");
 593     GIConv conv = g_iconv_open (charset, "UTF-8");
 594     gchar *full_help_str = g_strdup_printf ("%s\n\n%s\n", error_message, help_str);
 595
 596     str_convert (conv, full_help_str, buffer);
 597
 598     g_free (full_help_str);
 599     g_iconv_close (conv);
 600
 601     return g_string_free (buffer, FALSE);
 602 }
 603
 604 /* --------------------------------------------------------------------------------------------- */
 605
 606 static gboolean
 607 parse_mc_e_argument (const gchar * option_name, const gchar * value, gpointer data, GError ** error)
 608 {
 609     (void) option_name;
 610     (void) data;
 611     (void) error;
 612
 613     mc_run_mode = MC_RUN_EDITOR;
 614     mc_run_param0 = g_strdup (value);
 615
 616     return TRUE;
 617 }
 618
 619 /* --------------------------------------------------------------------------------------------- */
 620
 621 static gboolean
 622 parse_mc_v_argument (const gchar * option_name, const gchar * value, gpointer data, GError ** error)
 623 {
 624     (void) option_name;
 625     (void) data;
 626     (void) error;
 627
 628     mc_run_mode = MC_RUN_VIEWER;
 629     mc_run_param0 = g_strdup (value);
 630
 631     return TRUE;
 632 }
 633
 634 /* --------------------------------------------------------------------------------------------- */
 635
 636 /*** public functions ****************************************************************************/
 637
 638 /* --------------------------------------------------------------------------------------------- */
 639
 640 gboolean
 641 mc_args_handle (int argc, char **argv, const char *translation_domain)
 642 {
 643     GError *error = NULL;
 644     const gchar *_system_codepage = str_detect_termencoding ();
 645
 646 #ifdef ENABLE_NLS
 647     if (!str_isutf8 (_system_codepage))
 648         bind_textdomain_codeset ("mc", "UTF-8");
 649 #endif
 650
 651     context = g_option_context_new (mc_args_add_usage_info ());
 652
 653     g_option_context_set_ignore_unknown_options (context, FALSE);
 654
 655     mc_args_add_extended_info_to_help ();
 656
 657     main_group = g_option_group_new ("main", _("Main options"), _("Main options"), NULL, NULL);
 658
 659     g_option_group_add_entries (main_group, argument_main_table);
 660     g_option_context_set_main_group (context, main_group);
 661     g_option_group_set_translation_domain (main_group, translation_domain);
 662
 663     terminal_group = g_option_group_new ("terminal", _("Terminal options"),
 664                                          _("Terminal options"), NULL, NULL);
 665
 666     g_option_group_add_entries (terminal_group, argument_terminal_table);
 667     g_option_context_add_group (context, terminal_group);
 668     g_option_group_set_translation_domain (terminal_group, translation_domain);
 669
 670     color_group = mc_args_new_color_group ();
 671
 672     g_option_group_add_entries (color_group, argument_color_table);
 673     g_option_context_add_group (context, color_group);
 674     g_option_group_set_translation_domain (color_group, translation_domain);
 675
 676     if (!g_option_context_parse (context, &argc, &argv, &error))
 677     {
 678         if (error != NULL)
 679         {
 680             gchar *full_help_str;
 681             gchar *help_str;
 682
 683 #if GLIB_CHECK_VERSION(2,14,0)
 684             help_str = g_option_context_get_help (context, TRUE, NULL);
 685 #else
 686             help_str = g_strdup ("");
 687 #endif
 688             if (!str_isutf8 (_system_codepage))
 689                 full_help_str =
 690                     mc_args__convert_help_to_syscharset (_system_codepage, error->message,
 691                                                          help_str);
 692             else
 693                 full_help_str = g_strdup_printf ("%s\n\n%s\n", error->message, help_str);
 694
 695             fprintf (stderr, "%s", full_help_str);
 696
 697             g_free (help_str);
 698             g_free (full_help_str);
 699             g_error_free (error);
 700         }
 701         g_option_context_free (context);
 702         mc_args_clean_temp_help_strings ();
 703         return FALSE;
 704     }
 705
 706     g_option_context_free (context);
 707     mc_args_clean_temp_help_strings ();
 708
 709 #ifdef ENABLE_NLS
 710     if (!str_isutf8 (_system_codepage))
 711         bind_textdomain_codeset ("mc", _system_codepage);
 712 #endif
 713
 714     return mc_args_process (argc, argv);
 715 }
 716
 717 /* --------------------------------------------------------------------------------------------- */