utils/src/mkfifo.c

79 lines
1.7 KiB
C

/* $Id$ */
/* Copyright (c) 2009 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Unix utils */
/* 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, version 3 of the License.
*
* 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, see <http://www.gnu.org/licenses/>. */
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#define COMMON_MODE
#include "common.c"
/* mkfifo */
static int _mkfifo_error(char const * message, int ret);
static int _mkfifo(mode_t mode, int filec, char * filev[])
{
int ret = 0;
int i;
for(i = 0; i < filec; i++)
if(mkfifo(filev[i], mode) == -1)
ret |= _mkfifo_error(filev[i], 1);
return ret;
}
static int _mkfifo_error(char const * message, int ret)
{
fputs("mkfifo: ", stderr);
perror(message);
return ret;
}
/* usage */
static int _usage(void)
{
fputs("Usage: mkfifo [-m mode] file...\n\
-m Create fifo with the specified mode value\n", stderr);
return 1;
}
/* main */
int main(int argc, char * argv[])
{
mode_t mode = 0777;
int o;
while((o = getopt(argc, argv, "m:")) != -1)
switch(o)
{
case 'm':
if(_mode(optarg, &mode) != 0)
return _usage();
break;
default:
return _usage();
}
if(argc == optind)
return _usage();
return (_mkfifo(mode, argc - optind, &argv[optind]) == 0) ? 0 : 2;
}