1 /* mkfifo -- make fifo's (named pipes)
2 Copyright (C) 90, 91, 1995-2006 Free Software Foundation, Inc.
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)
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.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
18 /* David MacKenzie <djm@ai.mit.edu> */
23 #include <sys/types.h>
27 #include "modechange.h"
30 /* The official name of this program (e.g., no `g' prefix). */
31 #define PROGRAM_NAME "mkfifo"
33 #define AUTHORS "David MacKenzie"
35 /* The name this program was run with. */
38 static struct option const longopts[] =
40 {"mode", required_argument, NULL, 'm'},
41 {GETOPT_HELP_OPTION_DECL},
42 {GETOPT_VERSION_OPTION_DECL},
49 if (status != EXIT_SUCCESS)
50 fprintf (stderr, _("Try `%s --help' for more information.\n"),
54 printf (_("Usage: %s [OPTION] NAME...\n"), program_name);
56 Create named pipes (FIFOs) with the given NAMEs.\n\
60 Mandatory arguments to long options are mandatory for short options too.\n\
63 -m, --mode=MODE set file permission bits to MODE, not a=rw - umask\n\
65 fputs (HELP_OPTION_DESCRIPTION, stdout);
66 fputs (VERSION_OPTION_DESCRIPTION, stdout);
67 printf (_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
73 main (int argc, char **argv)
76 char const *specified_mode = NULL;
77 int exit_status = EXIT_SUCCESS;
80 initialize_main (&argc, &argv);
81 program_name = argv[0];
82 setlocale (LC_ALL, "");
83 bindtextdomain (PACKAGE, LOCALEDIR);
86 atexit (close_stdout);
88 while ((optc = getopt_long (argc, argv, "m:", longopts, NULL)) != -1)
93 specified_mode = optarg;
95 case_GETOPT_HELP_CHAR;
96 case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
104 error (0, 0, _("missing operand"));
105 usage (EXIT_FAILURE);
108 newmode = (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH);
111 struct mode_change *change = mode_compile (specified_mode);
113 error (EXIT_FAILURE, 0, _("invalid mode"));
114 newmode = mode_adjust (newmode, false, umask (0), change, NULL);
116 if (newmode & ~S_IRWXUGO)
117 error (EXIT_FAILURE, 0,
118 _("mode must specify only file permission bits"));
121 for (; optind < argc; ++optind)
122 if (mkfifo (argv[optind], newmode) != 0)
124 error (0, errno, _("cannot create fifo %s"), quote (argv[optind]));
125 exit_status = EXIT_FAILURE;