116 lines
2.5 KiB
C
116 lines
2.5 KiB
C
/* Copyright (C) 1991-2013 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <time.h>
|
|
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
time_t t;
|
|
struct tm *tp;
|
|
struct tm tbuf;
|
|
int lose = 0;
|
|
|
|
--argc;
|
|
++argv;
|
|
|
|
do
|
|
{
|
|
char buf[BUFSIZ];
|
|
if (argc > 0)
|
|
{
|
|
static char buf[BUFSIZ];
|
|
sprintf(buf, "TZ=%s", *argv);
|
|
if (putenv(buf))
|
|
{
|
|
puts("putenv failed.");
|
|
lose = 1;
|
|
}
|
|
else
|
|
puts (buf);
|
|
}
|
|
tzset();
|
|
tbuf.tm_year = 72;
|
|
tbuf.tm_mon = 0;
|
|
tbuf.tm_mday = 31;
|
|
tbuf.tm_hour = 6;
|
|
tbuf.tm_min = 14;
|
|
tbuf.tm_sec = 50;
|
|
tbuf.tm_isdst = -1;
|
|
doit:;
|
|
t = mktime(&tbuf);
|
|
if (t == (time_t) -1)
|
|
{
|
|
puts("mktime() failed?");
|
|
lose = 1;
|
|
}
|
|
tp = localtime(&t);
|
|
if (tp == NULL)
|
|
{
|
|
puts("localtime() failed.");
|
|
lose = 1;
|
|
}
|
|
else if (strftime(buf, sizeof(buf), "%a %b %d %X %Z %Y", tp) == 0)
|
|
{
|
|
puts("strftime() failed.");
|
|
lose = 1;
|
|
}
|
|
else
|
|
puts(buf);
|
|
if (tbuf.tm_year == 101)
|
|
{
|
|
tbuf.tm_year = 97;
|
|
tbuf.tm_mon = 0;
|
|
goto doit;
|
|
}
|
|
++argv;
|
|
} while (--argc > 0);
|
|
|
|
{
|
|
#define SIZE 256
|
|
char buffer[SIZE];
|
|
time_t curtime;
|
|
struct tm *loctime;
|
|
|
|
curtime = time (NULL);
|
|
|
|
loctime = localtime (&curtime);
|
|
|
|
fputs (asctime (loctime), stdout);
|
|
|
|
strftime (buffer, SIZE, "Today is %A, %B %d.\n", loctime);
|
|
fputs (buffer, stdout);
|
|
strftime (buffer, SIZE, "The time is %I:%M %p.\n", loctime);
|
|
fputs (buffer, stdout);
|
|
|
|
loctime->tm_year = 72;
|
|
loctime->tm_mon = 8;
|
|
loctime->tm_mday = 12;
|
|
loctime->tm_hour = 20;
|
|
loctime->tm_min = 49;
|
|
loctime->tm_sec = 05;
|
|
curtime = mktime (loctime);
|
|
strftime (buffer, SIZE, "%D %T was %w the %jth.\n", loctime);
|
|
fputs (buffer, stdout);
|
|
}
|
|
|
|
return (lose ? EXIT_FAILURE : EXIT_SUCCESS);
|
|
}
|