| /* vi: set sw=4 ts=4: */ |
| /* |
| * Mini mkfifo implementation for busybox |
| * |
| * Copyright (C) 1999 by Randolph Chung <tausq@debian.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| #include "internal.h" |
| #include <stdio.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <errno.h> |
| |
| static const char mkfifo_usage[] = "mkfifo [OPTIONS] name\n" |
| #ifndef BB_FEATURE_TRIVIAL_HELP |
| "\nCreates a named pipe (identical to 'mknod name p')\n\n" |
| "Options:\n" |
| "\t-m\tcreate the pipe using the specified mode (default a=rw)\n" |
| #endif |
| ; |
| |
| extern int mkfifo_main(int argc, char **argv) |
| { |
| char *thisarg; |
| mode_t mode = 0666; |
| |
| argc--; |
| argv++; |
| |
| /* Parse any options */ |
| while (argc > 1) { |
| if (**argv != '-') |
| usage(mkfifo_usage); |
| thisarg = *argv; |
| thisarg++; |
| switch (*thisarg) { |
| case 'm': |
| argc--; |
| argv++; |
| parse_mode(*argv, &mode); |
| break; |
| default: |
| usage(mkfifo_usage); |
| } |
| argc--; |
| argv++; |
| } |
| if (argc < 1 || *argv[0] == '-') |
| usage(mkfifo_usage); |
| if (mkfifo(*argv, mode) < 0) { |
| perror("mkfifo"); |
| exit(255); |
| } else { |
| exit(TRUE); |
| } |
| } |