src/args.c

src/args.c
Manual pages: mc • mcdiff • mcedit • mcview
/* */
This source file includes following definitions.
mc_args_clean_temp_help_strings
mc_args_add_usage_info
mc_args_add_extended_info_to_help
mc_args__convert_help_to_syscharset
parse_mc_e_argument
parse_mc_v_argument
parse_mcedit_arguments
mc_setup_run_mode
mc_args_parse
mc_args_show_info
mc_setup_by_args
   1 /*
   2    Handle command line arguments.
   3 
   4    Copyright (C) 2009-2025
   5    Free Software Foundation, Inc.
   6 
   7    Written by:
   8    Slava Zanko <slavazanko@gmail.com>, 2009.
   9    Andrew Borodin <aborodin@vmail.ru>, 2011, 2012.
  10 
  11    This file is part of the Midnight Commander.
  12 
  13    The Midnight Commander is free software: you can redistribute it
  14    and/or modify it under the terms of the GNU General Public License as
  15    published by the Free Software Foundation, either version 3 of the License,
  16    or (at your option) any later version.
  17 
  18    The Midnight Commander is distributed in the hope that it will be useful,
  19    but WITHOUT ANY WARRANTY; without even the implied warranty of
  20    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21    GNU General Public License for more details.
  22 
  23    You should have received a copy of the GNU General Public License
  24    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  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/strutil.h"
  34 #include "lib/vfs/vfs.h"
  35 #include "lib/util.h"  // x_basename()
  36 
  37 #include "src/textconf.h"
  38 
  39 #ifdef USE_INTERNAL_EDIT
  40 #include "editor/edit.h"  // edit_arg_t
  41 #endif
  42 
  43 #include "src/args.h"
  44 
  45 /*** external variables **************************************************************************/
  46 
  47 /*** global variables ****************************************************************************/
  48 
  49 /* If true, assume we are running on an xterm terminal */
  50 gboolean mc_args__force_xterm = FALSE;
  51 
  52 gboolean mc_args__nomouse = FALSE;
  53 
  54 /* Force colors, only used by Slang */
  55 gboolean mc_args__force_colors = FALSE;
  56 
  57 /* Don't load keymap from file and use default one */
  58 gboolean mc_args__nokeymap = FALSE;
  59 
  60 char *mc_args__last_wd_file = NULL;
  61 
  62 /* when enabled NETCODE, use following file as logfile */
  63 char *mc_args__netfs_logfile = NULL;
  64 
  65 /* keymap file */
  66 char *mc_args__keymap_file = NULL;
  67 
  68 void *mc_run_param0 = NULL;
  69 char *mc_run_param1 = NULL;
  70 
  71 /*** file scope macro definitions ****************************************************************/
  72 
  73 /*** file scope type declarations ****************************************************************/
  74 
  75 /*** forward declarations (file scope functions) *************************************************/
  76 
  77 static gboolean parse_mc_e_argument (const gchar *option_name, const gchar *value, gpointer data,
  78                                      GError **mcerror);
  79 static gboolean parse_mc_v_argument (const gchar *option_name, const gchar *value, gpointer data,
  80                                      GError **mcerror);
  81 
  82 /*** file scope variables ************************************************************************/
  83 
  84 /* If true, show version info and exit */
  85 static gboolean mc_args__show_version = FALSE;
  86 
  87 static GOptionContext *context;
  88 
  89 #ifdef ENABLE_SUBSHELL
  90 static gboolean mc_args__nouse_subshell = FALSE;
  91 #endif
  92 static gboolean mc_args__show_datadirs = FALSE;
  93 static gboolean mc_args__show_datadirs_extended = FALSE;
  94 #ifdef ENABLE_CONFIGURE_ARGS
  95 static gboolean mc_args__show_configure_opts = FALSE;
  96 #endif
  97 
  98 static GOptionGroup *main_group;
  99 
 100 static const GOptionEntry argument_main_table[] = {
 101     // generic options
 102     {
 103         "version",
 104         'V',
 105         G_OPTION_FLAG_IN_MAIN,
 106         G_OPTION_ARG_NONE,
 107         &mc_args__show_version,
 108         N_ ("Displays the current version"),
 109         NULL,
 110     },
 111 
 112     // options for wrappers
 113     {
 114         "datadir",
 115         'f',
 116         G_OPTION_FLAG_IN_MAIN,
 117         G_OPTION_ARG_NONE,
 118         &mc_args__show_datadirs,
 119         N_ ("Print data directory"),
 120         NULL,
 121     },
 122 
 123     // show extended information about used data directories
 124     {
 125         "datadir-info",
 126         'F',
 127         G_OPTION_FLAG_IN_MAIN,
 128         G_OPTION_ARG_NONE,
 129         &mc_args__show_datadirs_extended,
 130         N_ ("Print extended info about used data directories"),
 131         NULL,
 132     },
 133 
 134 #ifdef ENABLE_CONFIGURE_ARGS
 135     // show configure options
 136     {
 137         "configure-options",
 138         '\0',
 139         G_OPTION_FLAG_IN_MAIN,
 140         G_OPTION_ARG_NONE,
 141         &mc_args__show_configure_opts,
 142         N_ ("Print configure options"),
 143         NULL,
 144     },
 145 #endif
 146 
 147     {
 148         "printwd",
 149         'P',
 150         G_OPTION_FLAG_IN_MAIN,
 151         G_OPTION_ARG_STRING,
 152         &mc_args__last_wd_file,
 153         N_ ("Print last working directory to specified file"),
 154         N_ ("<file>"),
 155     },
 156 
 157 #ifdef ENABLE_SUBSHELL
 158     {
 159         "subshell",
 160         'U',
 161         G_OPTION_FLAG_IN_MAIN,
 162         G_OPTION_ARG_NONE,
 163         &mc_global.tty.use_subshell,
 164         N_ ("Enables subshell support (default)"),
 165         NULL,
 166     },
 167 
 168     {
 169         "nosubshell",
 170         'u',
 171         G_OPTION_FLAG_IN_MAIN,
 172         G_OPTION_ARG_NONE,
 173         &mc_args__nouse_subshell,
 174         N_ ("Disables subshell support"),
 175         NULL,
 176     },
 177 #endif
 178 
 179 // debug options
 180 #ifdef ENABLE_VFS_FTP
 181     {
 182         "ftplog",
 183         'l',
 184         G_OPTION_FLAG_IN_MAIN,
 185         G_OPTION_ARG_STRING,
 186         &mc_args__netfs_logfile,
 187         N_ ("Log ftp dialog to specified file"),
 188         N_ ("<file>"),
 189     },
 190 #endif
 191 
 192     {
 193         // handle arguments manually
 194         "view",
 195         'v',
 196         G_OPTION_FLAG_IN_MAIN | G_OPTION_FLAG_NO_ARG,
 197         G_OPTION_ARG_CALLBACK,
 198         (gpointer) parse_mc_v_argument,
 199         N_ ("Launches the file viewer on a file"),
 200         N_ ("<file>"),
 201     },
 202 
 203     {
 204         // handle arguments manually
 205         "edit",
 206         'e',
 207         G_OPTION_FLAG_IN_MAIN | G_OPTION_FLAG_NO_ARG,
 208         G_OPTION_ARG_CALLBACK,
 209         (gpointer) parse_mc_e_argument,
 210         N_ ("Edit files"),
 211         N_ ("<file> ..."),
 212     },
 213 
 214     G_OPTION_ENTRY_NULL,
 215 };
 216 
 217 static GOptionGroup *terminal_group;
 218 #define ARGS_TERM_OPTIONS 0
 219 static const GOptionEntry argument_terminal_table[] = {
 220     // terminal options
 221     {
 222         "xterm",
 223         'x',
 224         ARGS_TERM_OPTIONS,
 225         G_OPTION_ARG_NONE,
 226         &mc_args__force_xterm,
 227         N_ ("Forces xterm features"),
 228         NULL,
 229     },
 230 
 231     {
 232         "no-x11",
 233         'X',
 234         ARGS_TERM_OPTIONS,
 235         G_OPTION_ARG_NONE,
 236         &mc_global.tty.disable_x11,
 237         N_ ("Disable X11 support"),
 238         NULL,
 239     },
 240 
 241     {
 242         "oldmouse",
 243         'g',
 244         ARGS_TERM_OPTIONS,
 245         G_OPTION_ARG_NONE,
 246         &mc_global.tty.old_mouse,
 247         N_ ("Tries to use an old highlight mouse tracking"),
 248         NULL,
 249     },
 250 
 251     {
 252         "nomouse",
 253         'd',
 254         ARGS_TERM_OPTIONS,
 255         G_OPTION_ARG_NONE,
 256         &mc_args__nomouse,
 257         N_ ("Disable mouse support in text version"),
 258         NULL,
 259     },
 260 
 261 #ifdef HAVE_SLANG
 262     { "termcap", 't', ARGS_TERM_OPTIONS, G_OPTION_ARG_NONE, &SLtt_Try_Termcap,
 263       N_ ("Tries to use termcap instead of terminfo"), NULL },
 264 #endif
 265 
 266     {
 267         "slow",
 268         's',
 269         ARGS_TERM_OPTIONS,
 270         G_OPTION_ARG_NONE,
 271         &mc_global.tty.slow_terminal,
 272         N_ ("To run on slow terminals"),
 273         NULL,
 274     },
 275 
 276     {
 277         "stickchars",
 278         'a',
 279         ARGS_TERM_OPTIONS,
 280         G_OPTION_ARG_NONE,
 281         &mc_global.tty.ugly_line_drawing,
 282         N_ ("Use stickchars to draw"),
 283         NULL,
 284     },
 285 
 286     {
 287         "keymap",
 288         'K',
 289         ARGS_TERM_OPTIONS,
 290         G_OPTION_ARG_STRING,
 291         &mc_args__keymap_file,
 292         N_ ("Load definitions of key bindings from specified file"),
 293         N_ ("<file>"),
 294     },
 295 
 296     {
 297         "nokeymap",
 298         '\0',
 299         ARGS_TERM_OPTIONS,
 300         G_OPTION_ARG_NONE,
 301         &mc_args__nokeymap,
 302         N_ ("Don't load definitions of key bindings from file, use defaults"),
 303         NULL,
 304     },
 305 
 306     G_OPTION_ENTRY_NULL,
 307 };
 308 
 309 #undef ARGS_TERM_OPTIONS
 310 
 311 static GOptionGroup *color_group;
 312 #define ARGS_COLOR_OPTIONS 0
 313 /* #define ARGS_COLOR_OPTIONS G_OPTION_FLAG_IN_MAIN */
 314 static const GOptionEntry argument_color_table[] = {
 315     // color options
 316     {
 317         "nocolor",
 318         'b',
 319         ARGS_COLOR_OPTIONS,
 320         G_OPTION_ARG_NONE,
 321         &mc_global.tty.disable_colors,
 322         N_ ("Requests to run in black and white"),
 323         NULL,
 324     },
 325 
 326     {
 327         "color",
 328         'c',
 329         ARGS_COLOR_OPTIONS,
 330         G_OPTION_ARG_NONE,
 331         &mc_args__force_colors,
 332         N_ ("Request to run in color mode"),
 333         NULL,
 334     },
 335 
 336     {
 337         "skin",
 338         'S',
 339         ARGS_COLOR_OPTIONS,
 340         G_OPTION_ARG_STRING,
 341         &mc_global.tty.skin,
 342         N_ ("Show mc with specified skin"),
 343         N_ ("<string>"),
 344     },
 345 
 346     G_OPTION_ENTRY_NULL,
 347 };
 348 
 349 #undef ARGS_COLOR_OPTIONS
 350 
 351 static gchar *mc_args__loc__colors_string = NULL;
 352 static gchar *mc_args__loc__footer_string = NULL;
 353 static gchar *mc_args__loc__header_string = NULL;
 354 static gchar *mc_args__loc__usage_string = NULL;
 355 
 356 /* --------------------------------------------------------------------------------------------- */
 357 /*** file scope functions ************************************************************************/
 358 /* --------------------------------------------------------------------------------------------- */
 359 
 360 static void
 361 mc_args_clean_temp_help_strings (void)
     /*   */
 362 {
 363     MC_PTR_FREE (mc_args__loc__colors_string);
 364     MC_PTR_FREE (mc_args__loc__footer_string);
 365     MC_PTR_FREE (mc_args__loc__header_string);
 366     MC_PTR_FREE (mc_args__loc__usage_string);
 367 }
 368 
 369 /* --------------------------------------------------------------------------------------------- */
 370 
 371 static gchar *
 372 mc_args_add_usage_info (void)
     /*   */
 373 {
 374     gchar *s;
 375 
 376     switch (mc_global.mc_run_mode)
 377     {
 378 #ifdef USE_INTERNAL_EDIT
 379     case MC_RUN_EDITOR:
 380         s = g_strdup_printf ("%s\n", _ ("[+lineno] file1[:lineno] [file2[:lineno]...]"));
 381         break;
 382 #endif
 383     case MC_RUN_VIEWER:
 384         s = g_strdup_printf ("%s\n", _ ("file"));
 385         break;
 386 #ifdef USE_DIFF_VIEW
 387     case MC_RUN_DIFFVIEWER:
 388         s = g_strdup_printf ("%s\n", _ ("file1 file2"));
 389         break;
 390 #endif
 391     case MC_RUN_FULL:
 392     default:
 393         s = g_strdup_printf ("%s\n", _ ("[this_dir] [other_panel_dir]"));
 394     }
 395 
 396     mc_args__loc__usage_string = s;
 397 
 398     return mc_args__loc__usage_string;
 399 }
 400 
 401 /* --------------------------------------------------------------------------------------------- */
 402 
 403 static void
 404 mc_args_add_extended_info_to_help (void)
     /*   */
 405 {
 406     mc_args__loc__footer_string =
 407         g_strdup_printf (_ ("\n"
 408                             "Please send any bug reports (including the output of '%s -V')\n"
 409                             "as tickets at %s\n"),
 410                          PACKAGE, PACKAGE_BUGREPORT);
 411     mc_args__loc__header_string = g_strdup_printf ("%s %s\n", PACKAGE_NAME, mc_global.mc_version);
 412 
 413     g_option_context_set_description (context, mc_args__loc__footer_string);
 414     g_option_context_set_summary (context, mc_args__loc__header_string);
 415 }
 416 
 417 /* --------------------------------------------------------------------------------------------- */
 418 
 419 static GString *
 420 mc_args__convert_help_to_syscharset (const gchar *charset, const gchar *error_message_str,
     /*   */
 421                                      const gchar *help_str)
 422 {
 423     GString *buffer;
 424     GIConv conv;
 425     gchar *full_help_str;
 426 
 427     buffer = g_string_new ("");
 428     conv = g_iconv_open (charset, "UTF-8");
 429     full_help_str = g_strdup_printf ("%s\n\n%s\n", error_message_str, help_str);
 430 
 431     str_convert (conv, full_help_str, buffer);
 432 
 433     g_free (full_help_str);
 434     g_iconv_close (conv);
 435 
 436     return buffer;
 437 }
 438 
 439 /* --------------------------------------------------------------------------------------------- */
 440 
 441 static gboolean
 442 parse_mc_e_argument (const gchar *option_name, const gchar *value, gpointer data, GError **mcerror)
     /*   */
 443 {
 444     (void) option_name;
 445     (void) value;
 446     (void) data;
 447 
 448     mc_return_val_if_error (mcerror, FALSE);
 449 
 450     mc_global.mc_run_mode = MC_RUN_EDITOR;
 451 
 452     return TRUE;
 453 }
 454 
 455 /* --------------------------------------------------------------------------------------------- */
 456 
 457 static gboolean
 458 parse_mc_v_argument (const gchar *option_name, const gchar *value, gpointer data, GError **mcerror)
     /*   */
 459 {
 460     (void) option_name;
 461     (void) value;
 462     (void) data;
 463 
 464     mc_return_val_if_error (mcerror, FALSE);
 465 
 466     mc_global.mc_run_mode = MC_RUN_VIEWER;
 467 
 468     return TRUE;
 469 }
 470 
 471 /* --------------------------------------------------------------------------------------------- */
 472 
 473 #ifdef USE_INTERNAL_EDIT
 474 /**
 475  * Get list of filenames (and line numbers) from command line, when mc called as editor
 476  *
 477  * @param argc count of all arguments
 478  * @param argv array of strings, contains arguments
 479  * @return list of edit_arg_t objects
 480  */
 481 
 482 static GList *
 483 parse_mcedit_arguments (int argc, char **argv)
     /*   */
 484 {
 485     GList *flist = NULL;
 486     int i;
 487     long first_line_number = -1;
 488 
 489     for (i = 0; i < argc; i++)
 490     {
 491         char *tmp;
 492         char *end, *p;
 493         edit_arg_t *arg;
 494 
 495         tmp = argv[i];
 496 
 497         /*
 498          * First, try to get line number as +lineno.
 499          */
 500         if (*tmp == '+')
 501         {
 502             long lineno;
 503             char *error;
 504 
 505             lineno = strtol (tmp + 1, &error, 10);
 506 
 507             if (*error == '\0')
 508             {
 509                 // this is line number
 510                 first_line_number = lineno;
 511                 continue;
 512             }
 513             // this is file name
 514         }
 515 
 516         /*
 517          * Check for filename:lineno, followed by an optional colon.
 518          * This format is used by many programs (especially compilers)
 519          * in error messages and warnings. It is supported so that
 520          * users can quickly copy and paste file locations.
 521          */
 522         end = tmp + strlen (tmp);
 523         p = end;
 524 
 525         if (p > tmp && p[-1] == ':')
 526             p--;
 527         while (p > tmp && g_ascii_isdigit ((gchar) p[-1]))
 528             p--;
 529 
 530         if (tmp < p && p < end && p[-1] == ':')
 531         {
 532             char *fname;
 533             vfs_path_t *tmp_vpath, *fname_vpath;
 534             struct stat st;
 535 
 536             fname = g_strndup (tmp, p - 1 - tmp);
 537             tmp_vpath = vfs_path_from_str (tmp);
 538             fname_vpath = vfs_path_from_str (fname);
 539 
 540             /*
 541              * Check that the file before the colon actually exists.
 542              * If it doesn't exist, create new file.
 543              */
 544             if (mc_stat (tmp_vpath, &st) == -1 && mc_stat (fname_vpath, &st) != -1)
 545             {
 546                 arg = edit_arg_vpath_new (fname_vpath, atoi (p));
 547                 vfs_path_free (tmp_vpath, TRUE);
 548             }
 549             else
 550             {
 551                 arg = edit_arg_vpath_new (tmp_vpath, 0);
 552                 vfs_path_free (fname_vpath, TRUE);
 553             }
 554 
 555             g_free (fname);
 556         }
 557         else
 558             arg = edit_arg_new (tmp, 0);
 559 
 560         flist = g_list_prepend (flist, arg);
 561     }
 562 
 563     if (flist == NULL)
 564         flist = g_list_prepend (flist, edit_arg_new (NULL, 0));
 565     else if (first_line_number != -1)
 566     {
 567         // overwrite line number for first file
 568         GList *l;
 569 
 570         l = g_list_last (flist);
 571         ((edit_arg_t *) l->data)->line_number = first_line_number;
 572     }
 573 
 574     return flist;
 575 }
 576 #endif
 577 
 578 /* --------------------------------------------------------------------------------------------- */
 579 /*** public functions ****************************************************************************/
 580 /* --------------------------------------------------------------------------------------------- */
 581 
 582 void
 583 mc_setup_run_mode (char **argv)
     /*   */
 584 {
 585     const char *base;
 586 
 587     base = x_basename (argv[0]);
 588 
 589     if (strncmp (base, "mcv", 3) == 0 || strcmp (base, "view") == 0)
 590     {
 591         // mcv* or view is link to mc
 592         mc_global.mc_run_mode = MC_RUN_VIEWER;
 593     }
 594 #ifdef USE_INTERNAL_EDIT
 595     else if (strncmp (base, "mce", 3) == 0 || strcmp (base, "vi") == 0)
 596     {
 597         // mce* or vi is link to mc
 598         mc_global.mc_run_mode = MC_RUN_EDITOR;
 599     }
 600 #endif
 601 #ifdef USE_DIFF_VIEW
 602     else if (strncmp (base, "mcd", 3) == 0 || strcmp (base, "diff") == 0)
 603     {
 604         // mcd* or diff is link to mc
 605         mc_global.mc_run_mode = MC_RUN_DIFFVIEWER;
 606     }
 607 #endif
 608 }
 609 
 610 /* --------------------------------------------------------------------------------------------- */
 611 
 612 gboolean
 613 mc_args_parse (int *argc, char ***argv, const char *translation_domain, GError **mcerror)
     /*   */
 614 {
 615     const gchar *_system_codepage;
 616     gboolean ok = TRUE;
 617 
 618     mc_return_val_if_error (mcerror, FALSE);
 619 
 620     _system_codepage = str_detect_termencoding ();
 621 
 622 #ifdef ENABLE_NLS
 623     if (!str_isutf8 (_system_codepage))
 624         bind_textdomain_codeset ("mc", "UTF-8");
 625 #endif
 626 
 627     context = g_option_context_new (mc_args_add_usage_info ());
 628 
 629     g_option_context_set_ignore_unknown_options (context, FALSE);
 630 
 631     mc_args_add_extended_info_to_help ();
 632 
 633     main_group = g_option_group_new ("main", _ ("Main options"), _ ("Main options"), NULL, NULL);
 634 
 635     g_option_group_add_entries (main_group, argument_main_table);
 636     g_option_context_set_main_group (context, main_group);
 637     g_option_group_set_translation_domain (main_group, translation_domain);
 638 
 639     terminal_group =
 640         g_option_group_new ("terminal", _ ("Terminal options"), _ ("Terminal options"), NULL, NULL);
 641 
 642     g_option_group_add_entries (terminal_group, argument_terminal_table);
 643     g_option_context_add_group (context, terminal_group);
 644     g_option_group_set_translation_domain (terminal_group, translation_domain);
 645 
 646     color_group =
 647         g_option_group_new ("color", _ ("Color options"), _ ("Color options"), NULL, NULL);
 648 
 649     g_option_group_add_entries (color_group, argument_color_table);
 650     g_option_context_add_group (context, color_group);
 651     g_option_group_set_translation_domain (color_group, translation_domain);
 652 
 653     if (!g_option_context_parse (context, argc, argv, mcerror))
 654     {
 655         if (*mcerror == NULL)
 656             mc_propagate_error (mcerror, 0, "%s\n", _ ("Arguments parse error!"));
 657         else
 658         {
 659             gchar *help_str;
 660 
 661             help_str = g_option_context_get_help (context, TRUE, NULL);
 662 
 663             if (str_isutf8 (_system_codepage))
 664                 mc_replace_error (mcerror, (*mcerror)->code, "%s\n\n%s\n", (*mcerror)->message,
 665                                   help_str);
 666             else
 667             {
 668                 GString *full_help_str;
 669 
 670                 full_help_str = mc_args__convert_help_to_syscharset (_system_codepage,
 671                                                                      (*mcerror)->message, help_str);
 672                 mc_replace_error (mcerror, (*mcerror)->code, "%s", full_help_str->str);
 673                 g_string_free (full_help_str, TRUE);
 674             }
 675             g_free (help_str);
 676         }
 677 
 678         ok = FALSE;
 679     }
 680 
 681     g_option_context_free (context);
 682     mc_args_clean_temp_help_strings ();
 683 
 684 #ifdef ENABLE_NLS
 685     if (!str_isutf8 (_system_codepage))
 686         bind_textdomain_codeset ("mc", _system_codepage);
 687 #endif
 688 
 689     return ok;
 690 }
 691 
 692 /* --------------------------------------------------------------------------------------------- */
 693 
 694 gboolean
 695 mc_args_show_info (void)
     /*   */
 696 {
 697     if (mc_args__show_version)
 698     {
 699         show_version ();
 700         return FALSE;
 701     }
 702 
 703     if (mc_args__show_datadirs)
 704     {
 705         printf ("%s (%s)\n", mc_global.sysconfig_dir, mc_global.share_data_dir);
 706         return FALSE;
 707     }
 708 
 709     if (mc_args__show_datadirs_extended)
 710     {
 711         show_datadirs_extended ();
 712         return FALSE;
 713     }
 714 
 715 #ifdef ENABLE_CONFIGURE_ARGS
 716     if (mc_args__show_configure_opts)
 717     {
 718         show_configure_options ();
 719         return FALSE;
 720     }
 721 #endif
 722 
 723     return TRUE;
 724 }
 725 
 726 /* --------------------------------------------------------------------------------------------- */
 727 
 728 gboolean
 729 mc_setup_by_args (int argc, char **argv, GError **mcerror)
     /*   */
 730 {
 731     char *tmp;
 732 
 733     mc_return_val_if_error (mcerror, FALSE);
 734 
 735     if (mc_args__force_colors)
 736         mc_global.tty.disable_colors = FALSE;
 737 
 738 #ifdef ENABLE_SUBSHELL
 739     if (mc_args__nouse_subshell)
 740         mc_global.tty.use_subshell = FALSE;
 741 #endif
 742 
 743 #ifdef ENABLE_VFS_FTP
 744     if (mc_args__netfs_logfile != NULL)
 745     {
 746         vfs_path_t *vpath;
 747 
 748         vpath = vfs_path_from_str ("ftp://");
 749         mc_setctl (vpath, VFS_SETCTL_LOGFILE, (void *) mc_args__netfs_logfile);
 750         vfs_path_free (vpath, TRUE);
 751     }
 752 #endif
 753 
 754     tmp = (argc > 0) ? argv[1] : NULL;
 755 
 756     switch (mc_global.mc_run_mode)
 757     {
 758     case MC_RUN_EDITOR:
 759 #ifdef USE_INTERNAL_EDIT
 760         mc_run_param0 = parse_mcedit_arguments (argc - 1, &argv[1]);
 761         break;
 762 #else
 763         mc_propagate_error (mcerror, 0, "%s\n", _ ("MC is built without builtin editor."));
 764         return FALSE;
 765 #endif
 766 
 767     case MC_RUN_VIEWER:
 768         if (tmp == NULL)
 769         {
 770             mc_propagate_error (mcerror, 0, "%s\n", _ ("No arguments given to the viewer."));
 771             return FALSE;
 772         }
 773 
 774         mc_run_param0 = g_strdup (tmp);
 775         break;
 776 
 777 #ifdef USE_DIFF_VIEW
 778     case MC_RUN_DIFFVIEWER:
 779         if (argc < 3)
 780         {
 781             mc_propagate_error (mcerror, 0, "%s\n",
 782                                 _ ("Two files are required to invoke the diffviewer."));
 783             return FALSE;
 784         }
 785         MC_FALLTHROUGH;
 786 #endif
 787 
 788     case MC_RUN_FULL:
 789     default:
 790         /* set the current dir and the other dir for filemanager,
 791            or two files for diff viewer */
 792         if (tmp != NULL)
 793         {
 794             mc_run_param0 = g_strdup (tmp);
 795             tmp = (argc > 1) ? argv[2] : NULL;
 796             if (tmp != NULL)
 797                 mc_run_param1 = g_strdup (tmp);
 798         }
 799         break;
 800     }
 801 
 802     return TRUE;
 803 }
 804 
 805 /* --------------------------------------------------------------------------------------------- */
/* */
root/src/args.c

DEFINITIONS
