usr/utils/mkfifo.c

#include <sys/stat.h>
#include <sys/types.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "file_mode.h"

static mode_t leaf_mode;

char *progname;

static int make_fifo(char *dir)
{
	if (mkfifo(dir, leaf_mode)) {
		/*
		 * We failed, remove the directory we created.
		 */
		fprintf(stderr, "%s: ", progname);
		perror(dir);
		return -1;
	}
	return 0;
}

int main(int argc, char *argv[])
{
	int c, ret = 0;
	mode_t saved_umask;

	progname = argv[0];

	saved_umask = umask(0);
	leaf_mode =
	    (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) &
	    ~saved_umask;

	do {
		c = getopt(argc, argv, "m:");
		if (c == EOF)
			break;
		switch (c) {
		case 'm':
			leaf_mode =
			    parse_file_mode(optarg, leaf_mode, saved_umask);
			break;

		case '?':
			fprintf(stderr, "%s: invalid option -%c\n",
				progname, optopt);
			exit(1);
		}
	} while (1);

	if (optind == argc) {
		fprintf(stderr, "Usage: %s [-m mode] file...\n", progname);
		exit(1);
	}

	while (optind < argc) {
		if (make_fifo(argv[optind]))
			ret = 255;	/* seems to be what gnu mkdir does */
		optind++;
	}

	return ret;
}
1	#include <sys/stat.h>
2	#include <sys/types.h>
3	#include <errno.h>
4	#include <fcntl.h>
5	#include <signal.h>
6	#include <stdio.h>
7	#include <stdlib.h>
8	#include <string.h>
9	#include <unistd.h>
10
11	#include "file_mode.h"
12
13	static mode_t leaf_mode;
14
15	char *progname;
16
17	static int make_fifo(char *dir)
18	{
19	if (mkfifo(dir, leaf_mode)) {
20	/*
21	* We failed, remove the directory we created.
22	*/
23	fprintf(stderr, "%s: ", progname);
24	perror(dir);
25	return -1;
26	}
27	return 0;
28	}
29
30	int main(int argc, char *argv[])
31	{
32	int c, ret = 0;
33	mode_t saved_umask;
34
35	progname = argv[0];
36
37	saved_umask = umask(0);
38	leaf_mode =
39	(S_IRUSR \| S_IWUSR \| S_IRGRP \| S_IWGRP \| S_IROTH \| S_IWOTH) &
40	~saved_umask;
41
42	do {
43	c = getopt(argc, argv, "m:");
44	if (c == EOF)
45	break;
46	switch (c) {
47	case 'm':
48	leaf_mode =
49	parse_file_mode(optarg, leaf_mode, saved_umask);
50	break;
51
52	case '?':
53	fprintf(stderr, "%s: invalid option -%c\n",
54	progname, optopt);
55	exit(1);
56	}
57	} while (1);
58
59	if (optind == argc) {
60	fprintf(stderr, "Usage: %s [-m mode] file...\n", progname);
61	exit(1);
62	}
63
64	while (optind < argc) {
65	if (make_fifo(argv[optind]))
66	ret = 255; /* seems to be what gnu mkdir does */
67	optind++;
68	}
69
70	return ret;
71	}