diff options
Diffstat (limited to 'time/strptime.c')
| -rw-r--r-- | time/strptime.c | 64 |
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; } |