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- /* Copyright (C) 1991, 1992, 1994 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 Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, write to the Free Software Foundation, Inc., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
-
- #include <ansidecl.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <time.h>
-
-
- int
- DEFUN(main, (argc, argv), int argc AND char **argv)
- {
- time_t t;
- register 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);
- }
-