src/mkdir.c

   1 /* mkdir -- make directories
   2    Copyright (C) 90, 95, 96, 97, 1998 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 "modechange.h"
  27 #include "makepath.h"
  28 #include "closeout.h"
  29 #include "error.h"
  30
  31 /* The name this program was run with. */
  32 char *program_name;
  33
  34 /* If nonzero, ensure that all parents of the specified directory exist.  */
  35 static int path_mode;
  36
  37 /* If nonzero, display usage information and exit.  */
  38 static int show_help;
  39
  40 /* If nonzero, print the version on standard output and exit.  */
  41 static int show_version;
  42
  43 static struct option const longopts[] =
  44 {
  45   {"mode", required_argument, NULL, 'm'},
  46   {"parents", no_argument, NULL, 'p'},
  47   {"help", no_argument, &show_help, 1},
  48   {"verbose", no_argument, NULL, 2},
  49   {"version", no_argument, &show_version, 1},
  50   {NULL, 0, NULL, 0}
  51 };
  52
  53 static void
  54 usage (int status)
  55 {
  56   if (status != 0)
  57     fprintf (stderr, _("Try `%s --help' for more information.\n"),
  58              program_name);
  59   else
  60     {
  61       printf (_("Usage: %s [OPTION] DIRECTORY...\n"), program_name);
  62       printf (_("\
  63 Create the DIRECTORY(ies), if they do not already exist.\n\
  64 \n\
  65   -m, --mode=MODE   set permission mode (as in chmod), not rwxrwxrwx - umask\n\
  66   -p, --parents     no error if existing, make parent directories as needed\n\
  67       --verbose     print a message for each created directory\n\
  68       --help        display this help and exit\n\
  69       --version     output version information and exit\n\
  70 "));
  71       puts (_("\nReport bugs to <bug-fileutils@gnu.org>."));
  72       close_stdout ();
  73     }
  74   exit (status);
  75 }
  76
  77 int
  78 main (int argc, char **argv)
  79 {
  80   unsigned int newmode;
  81   unsigned int parent_mode;
  82   char *symbolic_mode = NULL;
  83   const char *verbose_fmt_string = NULL;
  84   int errors = 0;
  85   int optc;
  86
  87   program_name = argv[0];
  88   setlocale (LC_ALL, "");
  89   bindtextdomain (PACKAGE, LOCALEDIR);
  90   textdomain (PACKAGE);
  91
  92   path_mode = 0;
  93
  94   while ((optc = getopt_long (argc, argv, "pm:", longopts, NULL)) != -1)
  95     {
  96       switch (optc)
  97         {
  98         case 0:                 /* Long option. */
  99           break;
 100         case 'p':
 101           path_mode = 1;
 102           break;
 103         case 'm':
 104           symbolic_mode = optarg;
 105           break;
 106         case 2: /* --verbose  */
 107           verbose_fmt_string = _("created directory `%s'");
 108           break;
 109         default:
 110           usage (1);
 111         }
 112     }
 113
 114   if (show_version)
 115     {
 116       printf ("mkdir (%s) %s\n", GNU_PACKAGE, VERSION);
 117       close_stdout ();
 118       exit (0);
 119     }
 120
 121   if (show_help)
 122     usage (0);
 123
 124   if (optind == argc)
 125     {
 126       error (0, 0, _("too few arguments"));
 127       usage (1);
 128     }
 129
 130   newmode = 0777 & ~umask (0);
 131   parent_mode = newmode | 0300; /* u+wx */
 132   if (symbolic_mode)
 133     {
 134       struct mode_change *change = mode_compile (symbolic_mode, 0);
 135       if (change == MODE_INVALID)
 136         error (1, 0, _("invalid mode `%s'"), symbolic_mode);
 137       else if (change == MODE_MEMORY_EXHAUSTED)
 138         error (1, 0, _("virtual memory exhausted"));
 139       newmode = mode_adjust (newmode, change);
 140     }
 141
 142   for (; optind < argc; ++optind)
 143     {
 144       if (path_mode)
 145         {
 146           errors |= make_path (argv[optind], newmode, parent_mode,
 147                                -1, -1, 1, verbose_fmt_string);
 148         }
 149       else if (mkdir (argv[optind], newmode))
 150         {
 151           error (0, errno, _("cannot make directory `%s'"), argv[optind]);
 152           errors = 1;
 153         }
 154       else if (verbose_fmt_string)
 155         {
 156           error (0, 0, verbose_fmt_string, argv[optind]);
 157         }
 158     }
 159
 160   exit (errors);
 161 }