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authorUlrich Drepper <drepper@redhat.com>1998-12-14 21:27:19 +0000
committerUlrich Drepper <drepper@redhat.com>1998-12-14 21:27:19 +0000
commit6269e521192ef37e1b13183baf44a05e16695e6d (patch)
tree1aae4386b3afe689fa982557ff3d61d9f9e73ad9 /time
parentc2cfb5126b85ba4f0b6ec66567616ad221ea9429 (diff)
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Update.
* time/Makefile (tests): Add tst-strptime. * time/tst-strptime.c: New file. * time/strptime.c: Correct bugs in weekday and yearday computation. 1998-12-14 Ulrich Drepper <drepper@cygnus.com>
Diffstat (limited to 'time')
-rw-r--r--time/Makefile2
-rw-r--r--time/strptime.c12
-rw-r--r--time/tst-strptime.c71
3 files changed, 79 insertions, 6 deletions
diff --git a/time/Makefile b/time/Makefile
index 80aff61..7e45eaa 100644
--- a/time/Makefile
+++ b/time/Makefile
@@ -30,7 +30,7 @@ routines := offtime asctime clock ctime ctime_r difftime \
stime dysize timegm ftime \
strptime getdate strfxtime
-tests := test_time clocktest tst-posixtz
+tests := test_time clocktest tst-posixtz tst-strptime
include ../Rules
diff --git a/time/strptime.c b/time/strptime.c
index d85dbfa..315af83 100644
--- a/time/strptime.c
+++ b/time/strptime.c
@@ -206,21 +206,23 @@ day_of_the_week (struct tm *tm)
/* We know that January 1st 1970 was a Thursday (= 4). Compute the
the difference between this data in the one on TM and so determine
the weekday. */
- int corr_year = tm->tm_mon >= 2 ? tm->tm_year : tm->tm_year - 1;
+ int corr_year = 1900 + tm->tm_year - (tm->tm_mon < 2);
int wday = (-473
- + (365 * (tm->tm_year - 1970))
+ + (365 * (tm->tm_year - 70))
+ (corr_year / 4)
- ((corr_year / 4) / 25) + ((corr_year / 4) % 25 < 0)
+ (((corr_year / 4) / 25) / 4)
+ __mon_yday[0][tm->tm_mon]
- + tm->tm_mday);
- tm->tm_wday = wday;
+ + tm->tm_mday - 1);
+ tm->tm_wday = wday % 7;
}
+/* Compute the day of the year. */
static void
day_of_the_year (struct tm *tm)
{
- tm->tm_yday = __mon_yday[__isleap (tm->tm_year)][tm->tm_mon] + tm->tm_mday;
+ tm->tm_yday = (__mon_yday[__isleap (1900 + tm->tm_year)][tm->tm_mon]
+ + (tm->tm_mday - 1));
}
static char *
diff --git a/time/tst-strptime.c b/time/tst-strptime.c
new file mode 100644
index 0000000..52a7054
--- /dev/null
+++ b/time/tst-strptime.c
@@ -0,0 +1,71 @@
+/* Test for strptime.
+ Copyright (C) 1998 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
+
+ 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., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+
+
+static const struct
+{
+ const char *input;
+ const char *format;
+ int wday;
+ int yday;
+} day_tests[] =
+{
+ { "2000-01-01", "%Y-%m-%d", 6, 0 },
+ { "03/03/00", "%D", 5, 62 },
+ { "9/9/99", "%x", 4, 251 },
+};
+
+
+int
+main (int argc, char *argv[])
+{
+ struct tm tm;
+ int i;
+ int result = 0;
+
+ for (i = 0; i < sizeof (day_tests) / sizeof (day_tests[0]); ++i)
+ {
+ memset (&tm, '\0', sizeof (tm));
+
+ if (*strptime (day_tests[i].input, day_tests[i].format, &tm) != '\0')
+ {
+ printf ("not all of `%s' read\n", day_tests[i].input);
+ result = 1;
+ }
+ if (tm.tm_wday != day_tests[i].wday)
+ {
+ printf ("weekday for `%s' incorrect: %d instead of %d\n",
+ day_tests[i].input, tm.tm_wday, day_tests[i].wday);
+ result = 1;
+ }
+ if (tm.tm_yday != day_tests[i].yday)
+ {
+ printf ("yearday for `%s' incorrect: %d instead of %d\n",
+ day_tests[i].input, tm.tm_yday, day_tests[i].yday);
+ result = 1;
+ }
+ }
+
+ return result;
+}