File: usplash_write.c

package info (click to toggle)
usplash 0.3e
  • links: PTS
  • area: main
  • in suites: etch, etch-m68k
  • size: 852 kB
  • ctags: 739
  • sloc: ansic: 7,936; sh: 254; makefile: 173; perl: 26
file content (70 lines) | stat: -rw-r--r-- 1,589 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
/* usplash
 *
 * usplash_write.c - send commands to usplash
 *
 * Copyright © 2006 Canonical Ltd.
 * Copyright © 2005 Matthew Garrett <mjg59@srcf.ucam.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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#include <sys/types.h>
#include <sys/stat.h>

#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "usplash.h"


int
main (int   argc,
      char *argv[])
{
	int i, fifo_fd;

	if (argc < 2) {
		fprintf (stderr, "Usage: usplash_write COMMAND...\n");
		exit (1);
	}

	if (chdir (USPLASH_DIR) < 0) {
		perror ("chdir");
		exit (0);
	}

	fifo_fd = open (USPLASH_FIFO, O_WRONLY|O_NONBLOCK);
	if (fifo_fd < 0) {
		if (errno != ENXIO)
			perror ("open");
		exit (0);
	}

	for (i = 1; i < argc; i++) {
		size_t len;

		len = write (fifo_fd, argv[i], strlen(argv[i]) + 1);
		if (len < 0) {
			perror ("write");
			exit (0);
		}
	}

	return 0;
}