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authorUlrich Drepper <drepper@redhat.com>2001-08-09 22:33:28 +0000
committerUlrich Drepper <drepper@redhat.com>2001-08-09 22:33:28 +0000
commit5d9f13dc9b97a22c614ad5ad7b1a22eacc626acd (patch)
tree1a63e6cd599280aaf13818919abf8a8d32864f35 /time/strptime.c
parent2f278c9480ed5362c422526acb36d9450ed682d7 (diff)
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Update.
* time/strptime.c (strptime_internal): Add handling of year + %U/%W week + week day.
Diffstat (limited to 'time/strptime.c')
-rw-r--r--time/strptime.c64
1 files changed, 60 insertions, 4 deletions
diff --git a/time/strptime.c b/time/strptime.c
index 85bd10b877..6764cfe114 100644
--- a/time/strptime.c
+++ b/time/strptime.c
@@ -1,5 +1,5 @@
/* Convert a string representation of time to a time value.
- Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1996-2000, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -273,6 +273,8 @@ strptime_internal (rp, fmt, tm, decided, era_cnt)
int have_wday, want_xday;
int have_yday;
int have_mon, have_mday;
+ int have_uweek, have_wweek;
+ int week_no;
size_t num_eras;
struct era_entry *era;
@@ -281,8 +283,10 @@ strptime_internal (rp, fmt, tm, decided, era_cnt)
want_century = 0;
want_era = 0;
era = NULL;
+ week_no = 0;
- have_wday = want_xday = have_yday = have_mon = have_mday = 0;
+ have_wday = want_xday = have_yday = have_mon = have_mday = have_uweek = 0;
+ have_wweek = 0;
while (*fmt != '\0')
{
@@ -639,9 +643,17 @@ strptime_internal (rp, fmt, tm, decided, era_cnt)
while (*rp >= '0' && *rp <= '9');
break;
case 'U':
- case 'V':
+ get_number (0, 53, 2);
+ week_no = val;
+ have_uweek = 1;
+ break;
case 'W':
get_number (0, 53, 2);
+ week_no = val;
+ have_wweek = 1;
+ break;
+ case 'V':
+ get_number (0, 53, 2);
/* XXX This cannot determine any field in TM without some
information. */
break;
@@ -902,9 +914,17 @@ strptime_internal (rp, fmt, tm, decided, era_cnt)
tm->tm_sec = val;
break;
case 'U':
- case 'V':
+ get_alt_number (0, 53, 2);
+ week_no = val;
+ have_uweek = 1;
+ break;
case 'W':
get_alt_number (0, 53, 2);
+ week_no = val;
+ have_wweek = 1;
+ break;
+ case 'V':
+ get_alt_number (0, 53, 2);
/* XXX This cannot determine any field in TM without
further information. */
break;
@@ -975,6 +995,42 @@ strptime_internal (rp, fmt, tm, decided, era_cnt)
}
if (want_xday && !have_yday)
day_of_the_year (tm);
+ if ((have_uweek || have_wweek) && have_wday)
+ {
+ int save_wday = tm->tm_wday;
+ int save_mday = tm->tm_mday;
+ int save_mon = tm->tm_mon;
+ int w_offset = have_uweek ? 0 : 1;
+
+ tm->tm_mday = 1;
+ tm->tm_mon = 0;
+ day_of_the_week (tm);
+ if (have_mday)
+ tm->tm_mday = save_mday;
+ if (have_mon)
+ tm->tm_mon = save_mon;
+
+ if (!have_yday)
+ tm->tm_yday = ((7 - (tm->tm_wday - w_offset)) % 7
+ + (week_no - 1) *7
+ + save_wday - w_offset);
+
+ if (!have_mday || !have_mon)
+ {
+ int t_mon = 0;
+ while (__mon_yday[__isleap(1900 + tm->tm_year)][t_mon]
+ <= tm->tm_yday)
+ t_mon++;
+ if (!have_mon)
+ tm->tm_mon = t_mon - 1;
+ if (!have_mday)
+ tm->tm_mday =
+ (tm->tm_yday
+ - __mon_yday[__isleap(1900 + tm->tm_year)][t_mon - 1] + 1);
+ }
+
+ tm->tm_wday = save_wday;
+ }
return (char *) rp;
}