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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /time/test_time.c
downloadglibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.gz
initial import
Diffstat (limited to 'time/test_time.c')
-rw-r--r--time/test_time.c117
1 files changed, 117 insertions, 0 deletions
diff --git a/time/test_time.c b/time/test_time.c
new file mode 100644
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+++ b/time/test_time.c
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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);
+}