src/mkdir.c

   1 /* mkdir -- make directories
   2    Copyright (C) 90, 1995-1999 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2, or (at your option)
   7    any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software Foundation,
  16    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  17
  18 /* David MacKenzie <djm@ai.mit.edu>  */
  19
  20 #include <config.h>
  21 #include <stdio.h>
  22 #include <getopt.h>
  23 #include <sys/types.h>
  24
  25 #include "system.h"
  26 #include "error.h"
  27 #include "makepath.h"
  28 #include "modechange.h"
  29
  30 /* The official name of this program (e.g., no `g' prefix).  */
  31 #define PROGRAM_NAME "mkdir"
  32
  33 #define AUTHORS "David MacKenzie"
  34
  35 /* The name this program was run with. */
  36 char *program_name;
  37
  38 /* If nonzero, ensure that all parents of the specified directory exist.  */
  39 static int path_mode;
  40
  41 static struct option const longopts[] =
  42 {
  43   {"mode", required_argument, NULL, 'm'},
  44   {"parents", no_argument, NULL, 'p'},
  45   {"verbose", no_argument, NULL, 2},
  46   {GETOPT_HELP_OPTION_DECL},
  47   {GETOPT_VERSION_OPTION_DECL},
  48   {NULL, 0, NULL, 0}
  49 };
  50
  51 void
  52 usage (int status)
  53 {
  54   if (status != 0)
  55     fprintf (stderr, _("Try `%s --help' for more information.\n"),
  56              program_name);
  57   else
  58     {
  59       printf (_("Usage: %s [OPTION] DIRECTORY...\n"), program_name);
  60       printf (_("\
  61 Create the DIRECTORY(ies), if they do not already exist.\n\
  62 \n\
  63   -m, --mode=MODE   set permission mode (as in chmod), not rwxrwxrwx - umask\n\
  64   -p, --parents     no error if existing, make parent directories as needed\n\
  65       --verbose     print a message for each created directory\n\
  66       --help        display this help and exit\n\
  67       --version     output version information and exit\n\
  68 "));
  69       puts (_("\nReport bugs to <bug-fileutils@gnu.org>."));
  70       close_stdout ();
  71     }
  72   exit (status);
  73 }
  74
  75 int
  76 main (int argc, char **argv)
  77 {
  78   unsigned int newmode;
  79   unsigned int parent_mode;
  80   const char *symbolic_mode = NULL;
  81   const char *verbose_fmt_string = NULL;
  82   int errors = 0;
  83   int optc;
  84
  85   program_name = argv[0];
  86   setlocale (LC_ALL, "");
  87   bindtextdomain (PACKAGE, LOCALEDIR);
  88   textdomain (PACKAGE);
  89
  90   path_mode = 0;
  91
  92   while ((optc = getopt_long (argc, argv, "pm:", longopts, NULL)) != -1)
  93     {
  94       switch (optc)
  95         {
  96         case 0:                 /* Long option. */
  97           break;
  98         case 'p':
  99           path_mode = 1;
 100           break;
 101         case 'm':
 102           symbolic_mode = optarg;
 103           break;
 104         case 2: /* --verbose  */
 105           verbose_fmt_string = _("created directory `%s'");
 106           break;
 107         case_GETOPT_HELP_CHAR;
 108         case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
 109         default:
 110           usage (1);
 111         }
 112     }
 113
 114   if (optind == argc)
 115     {
 116       error (0, 0, _("too few arguments"));
 117       usage (1);
 118     }
 119
 120   newmode = 0777 & ~umask (0);
 121   parent_mode = newmode | 0300; /* u+wx */
 122   if (symbolic_mode)
 123     {
 124       struct mode_change *change = mode_compile (symbolic_mode, 0);
 125       if (change == MODE_INVALID)
 126         error (1, 0, _("invalid mode `%s'"), symbolic_mode);
 127       else if (change == MODE_MEMORY_EXHAUSTED)
 128         error (1, 0, _("virtual memory exhausted"));
 129       newmode = mode_adjust (newmode, change);
 130     }
 131
 132   for (; optind < argc; ++optind)
 133     {
 134       if (path_mode)
 135         {
 136           errors |= make_path (argv[optind], newmode, parent_mode,
 137                                -1, -1, 1, verbose_fmt_string);
 138         }
 139       else if (mkdir (argv[optind], newmode))
 140         {
 141           error (0, errno, _("cannot make directory `%s'"), argv[optind]);
 142           errors = 1;
 143         }
 144       else if (verbose_fmt_string)
 145         {
 146           error (0, 0, verbose_fmt_string, argv[optind]);
 147         }
 148     }
 149
 150   exit (errors);
 151 }