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
|
/* sleep - delay for a specified amount of time.
Copyright (C) 84,91,92,93,94,95,96,1997 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. */
#include <config.h>
#include <stdio.h>
#include <sys/types.h>
#include <getopt.h>
#include "system.h"
#include "error.h"
static long argdecode PARAMS ((const char *s));
/* The name by which this program was run. */
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 long_options[] =
{
{"help", no_argument, &show_help, 1},
{"version", no_argument, &show_version, 1},
{0, 0, 0, 0}
};
static void
usage (int status)
{
if (status != 0)
fprintf (stderr, _("Try `%s --help' for more information.\n"),
program_name);
else
{
printf (_("Usage: %s [OPTION]... NUMBER[SUFFIX]\n"), program_name);
printf (_("\
Pause for NUMBER seconds.\n\
SUFFIX may be s to keep seconds, m for minutes, h for hours or d for days.\n\
\n\
--help display this help and exit\n\
--version output version information and exit\n"));
puts (_("\nReport bugs to <bug-sh-utils@gnu.org>."));
}
exit (status);
}
int
main (int argc, char **argv)
{
int i;
unsigned seconds = 0;
int c;
program_name = argv[0];
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
while ((c = getopt_long (argc, argv, "", long_options, NULL)) != -1)
{
switch (c)
{
case 0:
break;
default:
usage (1);
}
}
if (show_version)
{
printf ("sleep (%s) %s\n", GNU_PACKAGE, VERSION);
exit (0);
}
if (show_help)
usage (0);
if (argc == 1)
{
error (0, 0, _("too few arguments"));
usage (1);
}
for (i = 1; i < argc; i++)
seconds += argdecode (argv[i]);
sleep (seconds);
exit (0);
}
static long
argdecode (const char *s)
{
long value;
register const char *p = s;
register char c;
value = 0;
while ((c = *p++) >= '0' && c <= '9')
value = value * 10 + c - '0';
switch (c)
{
case 's':
break;
case 'm':
value *= 60;
break;
case 'h':
value *= 60 * 60;
break;
case 'd':
value *= 60 * 60 * 24;
break;
default:
p--;
}
if (*p)
error (1, 0, _("invalid time interval `%s'"), s);
return value;
}
|
