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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/* mkfifo -- make fifo's (named pipes)
Copyright (C) 90, 91, 95, 1996 Free Software Foundation, Inc.
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, 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. */
/* Options:
-m, --mode=mode Set the mode of created fifo's to MODE, which is
symbolic as in chmod and uses the umask as a point of
departure.
David MacKenzie <djm@ai.mit.edu> */
#include <config.h>
#include <stdio.h>
#include <getopt.h>
#include <sys/types.h>
#include "system.h"
#include "modechange.h"
#include "error.h"
/* The name this program was run with. */
char *program_name;
/* If nonzero, display usage information and exit. */
static int show_help;
/* If nonzero, print the version on standard output and exit. */
static int show_version;
static struct option const longopts[] =
{
{"mode", required_argument, NULL, 'm'},
{"help", no_argument, &show_help, 1},
{"version", no_argument, &show_version, 1},
{NULL, 0, NULL, 0}
};
#ifdef S_ISFIFO
static void
usage (int status)
{
if (status != 0)
fprintf (stderr, _("Try `%s --help' for more information.\n"),
program_name);
else
{
printf (_("Usage: %s [OPTION] NAME...\n"), program_name);
printf (_("\
Create named pipes (FIFOs) with the given NAMEs.\n\
\n\
-m, --mode=MODE set permission mode (as in chmod), not 0666 - umask\n\
--help display this help and exit\n\
--version output version information and exit\n\
"));
puts (_("\nReport bugs to bug-fileutils@gnu.ai.mit.edu"));
}
exit (status);
}
#endif
int
main (int argc, char **argv)
{
unsigned short newmode;
struct mode_change *change;
char *symbolic_mode;
int errors = 0;
int optc;
program_name = argv[0];
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
symbolic_mode = NULL;
#ifndef S_ISFIFO
error (4, 0, _("fifo files not supported"));
#else
while ((optc = getopt_long (argc, argv, "m:", longopts, (int *) 0)) != EOF)
{
switch (optc)
{
case 0:
break;
case 'm':
symbolic_mode = optarg;
break;
default:
usage (1);
}
}
if (show_version)
{
printf ("mkfifo (%s) %s\n", GNU_PACKAGE, VERSION);
exit (0);
}
if (show_help)
usage (0);
if (optind == argc)
{
error (0, 0, _("too few arguments"));
usage (1);
}
newmode = 0666 & ~umask (0);
if (symbolic_mode)
{
change = mode_compile (symbolic_mode, 0);
if (change == MODE_INVALID)
error (1, 0, _("invalid mode"));
else if (change == MODE_MEMORY_EXHAUSTED)
error (1, 0, _("virtual memory exhausted"));
newmode = mode_adjust (newmode, change);
}
for (; optind < argc; ++optind)
{
if (mkfifo (argv[optind], newmode))
{
error (0, errno, _("cannot make fifo `%s'"), argv[optind]);
errors = 1;
}
}
exit (errors);
#endif
}
|
