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Update.
* time/strptime.c (strptime_internal): Set tm_wday and tm_yday in any of tm_year, tm_mon, or tm_mday was changed and the value itself wasn't specified.
This commit is contained in:
Ulrich Drepper
parent
2eda5d9bb3
commit
c2cfb5126b
@ -1,5 +1,9 @@
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1998-12-14 Ulrich Drepper <drepper@cygnus.com>
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* time/strptime.c (strptime_internal): Set tm_wday and tm_yday in
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any of tm_year, tm_mon, or tm_mday was changed and the value
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itself wasn't specified.
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* include/stdio.h: Add new parameter to __path_search.
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* libio/oldtmpfile.c: Add 0 as new parameter to __path_search.
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* stdio-common/tmpfile.c: Likewise.
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@ -46,7 +46,8 @@
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# endif /* GCC. */
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#endif /* Not __P. */
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#if ! HAVE_LOCALTIME_R && ! defined (localtime_r)
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#if ! HAVE_LOCALTIME_R && ! defined localtime_r
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# ifdef _LIBC
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# define localtime_r __localtime_r
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# else
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@ -135,6 +136,7 @@ localtime_r (t, tp)
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#ifdef _LIBC
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/* This is defined in locale/C-time.c in the GNU libc. */
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extern const struct locale_data _nl_C_LC_TIME;
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extern const unsigned short int __mon_yday[2][13];
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# define weekday_name (&_nl_C_LC_TIME.values[_NL_ITEM_INDEX (DAY_1)].string)
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# define ab_weekday_name \
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@ -176,11 +178,51 @@ static char const ab_month_name[][4] =
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# define HERE_PM_STR "PM"
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# define HERE_T_FMT_AMPM "%I:%M:%S %p"
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# define HERE_T_FMT "%H:%M:%S"
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const unsigned short int __mon_yday[1][13] =
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{
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/* Normal years. */
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{ 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
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/* Leap years. */
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{ 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
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};
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#endif
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/* Status of lookup: do we use the locale data or the raw data? */
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enum locale_status { not, loc, raw };
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#ifndef __isleap
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/* Nonzero if YEAR is a leap year (every 4 years,
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except every 100th isn't, and every 400th is). */
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# define __isleap(year) \
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((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0))
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#endif
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/* Compute the day of the week. */
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static void
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day_of_the_week (struct tm *tm)
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{
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/* We know that January 1st 1970 was a Thursday (= 4). Compute the
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the difference between this data in the one on TM and so determine
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the weekday. */
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int corr_year = tm->tm_mon >= 2 ? tm->tm_year : tm->tm_year - 1;
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int wday = (-473
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+ (365 * (tm->tm_year - 1970))
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+ (corr_year / 4)
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- ((corr_year / 4) / 25) + ((corr_year / 4) % 25 < 0)
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+ (((corr_year / 4) / 25) / 4)
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+ __mon_yday[0][tm->tm_mon]
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+ tm->tm_mday);
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tm->tm_wday = wday;
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}
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static void
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day_of_the_year (struct tm *tm)
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{
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tm->tm_yday = __mon_yday[__isleap (tm->tm_year)][tm->tm_mon] + tm->tm_mday;
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}
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static char *
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#ifdef _LIBC
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internal_function
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@ -204,12 +246,15 @@ strptime_internal (buf, format, tm, decided)
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size_t val;
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int have_I, is_pm;
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int century, want_century;
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int have_wday, want_xday;
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int have_yday;
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rp = buf;
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fmt = format;
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have_I = is_pm = 0;
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century = -1;
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want_century = 0;
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have_wday = want_xday = have_yday = 0;
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while (*fmt != '\0')
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{
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@ -280,6 +325,7 @@ strptime_internal (buf, format, tm, decided)
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/* Does not match a weekday name. */
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return NULL;
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tm->tm_wday = cnt;
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have_wday = 1;
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break;
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case 'b':
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case 'B':
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@ -319,6 +365,7 @@ strptime_internal (buf, format, tm, decided)
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/* Does not match a month name. */
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return NULL;
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tm->tm_mon = cnt;
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want_xday = 1;
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break;
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case 'c':
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/* Match locale's date and time format. */
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@ -335,6 +382,7 @@ strptime_internal (buf, format, tm, decided)
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if (*decided == not &&
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strcmp (_NL_CURRENT (LC_TIME, D_T_FMT), HERE_D_T_FMT))
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*decided = loc;
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want_xday = 1;
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break;
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}
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*decided = raw;
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@ -342,11 +390,13 @@ strptime_internal (buf, format, tm, decided)
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#endif
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if (!recursive (HERE_D_T_FMT))
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return NULL;
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want_xday = 1;
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break;
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case 'C':
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/* Match century number. */
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get_number (0, 99);
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century = val;
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want_xday = 1;
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break;
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case 'd':
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case 'e':
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@ -368,6 +418,7 @@ strptime_internal (buf, format, tm, decided)
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if (decided == not
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&& strcmp (_NL_CURRENT (LC_TIME, D_FMT), HERE_D_FMT))
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*decided = loc;
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want_xday = 1;
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break;
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}
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*decided = raw;
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@ -378,6 +429,7 @@ strptime_internal (buf, format, tm, decided)
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/* Match standard day format. */
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if (!recursive (HERE_D_FMT))
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return NULL;
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want_xday = 1;
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break;
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case 'H':
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/* Match hour in 24-hour clock. */
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@ -395,11 +447,13 @@ strptime_internal (buf, format, tm, decided)
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/* Match day number of year. */
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get_number (1, 366);
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tm->tm_yday = val - 1;
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have_yday = 1;
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break;
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case 'm':
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/* Match number of month. */
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get_number (1, 12);
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tm->tm_mon = val - 1;
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want_xday = 1;
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break;
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case 'M':
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/* Match minute. */
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@ -519,6 +573,7 @@ strptime_internal (buf, format, tm, decided)
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case 'u':
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get_number (1, 7);
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tm->tm_wday = val % 7;
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have_wday = 1;
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break;
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case 'g':
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get_number (0, 99);
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@ -544,6 +599,7 @@ strptime_internal (buf, format, tm, decided)
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/* Match number of weekday. */
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get_number (0, 6);
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tm->tm_wday = val;
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have_wday = 1;
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break;
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case 'y':
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/* Match year within century. */
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@ -553,12 +609,14 @@ strptime_internal (buf, format, tm, decided)
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tm->tm_year = val >= 69 ? val : val + 100;
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/* Indicate that we want to use the century, if specified. */
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want_century = 1;
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want_xday = 1;
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break;
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case 'Y':
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/* Match year including century number. */
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get_number (0, 9999);
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tm->tm_year = val - 1900;
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want_century = 0;
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want_xday = 1;
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break;
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case 'Z':
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/* XXX How to handle this? */
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@ -585,6 +643,7 @@ strptime_internal (buf, format, tm, decided)
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{
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if (strcmp (fmt, HERE_D_T_FMT))
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*decided = loc;
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want_xday = 1;
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break;
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}
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*decided = raw;
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@ -593,6 +652,7 @@ strptime_internal (buf, format, tm, decided)
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normal representation. */
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if (!recursive (HERE_D_T_FMT))
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return NULL;
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want_xday = 1;
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break;
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case 'C':
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case 'y':
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@ -672,6 +732,7 @@ strptime_internal (buf, format, tm, decided)
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/* Match day of month using alternate numeric symbols. */
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get_alt_number (1, 31);
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tm->tm_mday = val;
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want_xday = 1;
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break;
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case 'H':
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/* Match hour in 24-hour clock using alternate numeric
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@ -691,6 +752,7 @@ strptime_internal (buf, format, tm, decided)
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/* Match month using alternate numeric symbols. */
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get_alt_number (1, 12);
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tm->tm_mon = val - 1;
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want_xday = 1;
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break;
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case 'M':
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/* Match minutes using alternate numeric symbols. */
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@ -713,11 +775,13 @@ strptime_internal (buf, format, tm, decided)
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/* Match number of weekday using alternate numeric symbols. */
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get_alt_number (0, 6);
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tm->tm_wday = val;
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have_wday = 1;
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break;
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case 'y':
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/* Match year within century using alternate numeric symbols. */
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get_alt_number (0, 99);
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tm->tm_year = val >= 69 ? val : val + 100;
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want_xday = 1;
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break;
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default:
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return NULL;
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@ -734,6 +798,11 @@ strptime_internal (buf, format, tm, decided)
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if (want_century && century != -1)
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tm->tm_year = tm->tm_year % 100 + (century - 19) * 100;
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if (want_xday && !have_wday)
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day_of_the_week (tm);
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if (want_xday && !have_yday)
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day_of_the_year (tm);
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return (char *) rp;
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}
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