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 #ifndef S_IRWXUGO
  31 # define S_IRWXUGO (S_IRWXU | S_IRWXG | S_IRWXO)
  32 #endif
  33
  34 /* The official name of this program (e.g., no `g' prefix).  */
  35 #define PROGRAM_NAME "mkdir"
  36
  37 #define AUTHORS "David MacKenzie"
  38
  39 /* The name this program was run with. */
  40 char *program_name;
  41
  42 /* If nonzero, ensure that all parents of the specified directory exist.  */
  43 static int path_mode;
  44
  45 static struct option const longopts[] =
  46 {
  47   {"mode", required_argument, NULL, 'm'},
  48   {"parents", no_argument, NULL, 'p'},
  49   {"verbose", no_argument, NULL, 2},
  50   {GETOPT_HELP_OPTION_DECL},
  51   {GETOPT_VERSION_OPTION_DECL},
  52   {NULL, 0, NULL, 0}
  53 };
  54
  55 void
  56 usage (int status)
  57 {
  58   if (status != 0)
  59     fprintf (stderr, _("Try `%s --help' for more information.\n"),
  60              program_name);
  61   else
  62     {
  63       printf (_("Usage: %s [OPTION] DIRECTORY...\n"), program_name);
  64       printf (_("\
  65 Create the DIRECTORY(ies), if they do not already exist.\n\
  66 \n\
  67   -m, --mode=MODE   set permission mode (as in chmod), not rwxrwxrwx - umask\n\
  68   -p, --parents     no error if existing, make parent directories as needed\n\
  69       --verbose     print a message for each created directory\n\
  70       --help        display this help and exit\n\
  71       --version     output version information and exit\n\
  72 "));
  73       puts (_("\nReport bugs to <bug-fileutils@gnu.org>."));
  74       close_stdout ();
  75     }
  76   exit (status);
  77 }
  78
  79 int
  80 main (int argc, char **argv)
  81 {
  82   mode_t newmode;
  83   mode_t parent_mode;
  84   const char *symbolic_mode = NULL;
  85   const char *verbose_fmt_string = NULL;
  86   int errors = 0;
  87   int optc;
  88
  89   program_name = argv[0];
  90   setlocale (LC_ALL, "");
  91   bindtextdomain (PACKAGE, LOCALEDIR);
  92   textdomain (PACKAGE);
  93
  94   path_mode = 0;
  95
  96   while ((optc = getopt_long (argc, argv, "pm:", longopts, NULL)) != -1)
  97     {
  98       switch (optc)
  99         {
 100         case 0:                 /* Long option. */
 101           break;
 102         case 'p':
 103           path_mode = 1;
 104           break;
 105         case 'm':
 106           symbolic_mode = optarg;
 107           break;
 108         case 2: /* --verbose  */
 109           verbose_fmt_string = _("created directory `%s'");
 110           break;
 111         case_GETOPT_HELP_CHAR;
 112         case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
 113         default:
 114           usage (1);
 115         }
 116     }
 117
 118   if (optind == argc)
 119     {
 120       error (0, 0, _("too few arguments"));
 121       usage (1);
 122     }
 123
 124   newmode = S_IRWXUGO & ~ umask (0);
 125   parent_mode = S_IWUSR | S_IXUSR | newmode;
 126   if (symbolic_mode)
 127     {
 128       struct mode_change *change = mode_compile (symbolic_mode, 0);
 129       if (change == MODE_INVALID)
 130         error (1, 0, _("invalid mode `%s'"), symbolic_mode);
 131       else if (change == MODE_MEMORY_EXHAUSTED)
 132         error (1, 0, _("virtual memory exhausted"));
 133       newmode = mode_adjust (newmode, change);
 134     }
 135
 136   for (; optind < argc; ++optind)
 137     {
 138       int fail = 0;
 139       if (path_mode)
 140         {
 141           fail = make_path (argv[optind], newmode, parent_mode,
 142                             -1, -1, 1, verbose_fmt_string);
 143         }
 144       else
 145         {
 146           fail = mkdir (argv[optind], newmode);
 147           if (fail)
 148             error (0, errno, _("cannot create directory `%s'"), argv[optind]);
 149           else if (verbose_fmt_string)
 150             error (0, 0, verbose_fmt_string, argv[optind]);
 151         }
 152
 153       /* FIXME: move this functionality into make_path. */
 154       /* mkdir(2) is required to honor only the file permission bits.
 155          In particular, it needn't do anything about `special' bits,
 156          so if any were set in newmode, apply them with chmod.  */
 157       if (fail == 0 && (newmode & ~S_IRWXUGO))
 158         {
 159           fail = chmod (argv[optind], newmode);
 160           if (fail)
 161             error (0, errno, _("cannot set permissions of directory `%s'"),
 162                    argv[optind]);
 163         }
 164
 165       errors |= fail;
 166     }
 167
 168   exit (errors);
 169 }