diff options
Diffstat (limited to 'time/strptime.c')
| -rw-r--r-- | time/strptime.c | 1066 |
1 files changed, 6 insertions, 1060 deletions
diff --git a/time/strptime.c b/time/strptime.c index 1edd4ac257..fc3526912d 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) 1996-2000, 2001, 2002 Free Software Foundation, Inc. + Copyright (C) 1996-2000, 2001, 2002, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. @@ -23,1072 +23,18 @@ some of them in the same format (such as year, week and weekday) this is enough information for determining the date. */ -#ifdef HAVE_CONFIG_H -# include <config.h> -#endif - -#include <ctype.h> -#include <langinfo.h> -#include <limits.h> -#include <string.h> #include <time.h> - -#ifdef _LIBC -# include "../locale/localeinfo.h" -#endif - - -#ifndef __P -# if defined __GNUC__ || (defined __STDC__ && __STDC__) -# define __P(args) args -# else -# define __P(args) () -# endif /* GCC. */ -#endif /* Not __P. */ - - -#if ! HAVE_LOCALTIME_R && ! defined localtime_r -# ifdef _LIBC -# define localtime_r __localtime_r -# else -/* Approximate localtime_r as best we can in its absence. */ -# define localtime_r my_localtime_r -static struct tm *localtime_r __P ((const time_t *, struct tm *)); -static struct tm * -localtime_r (t, tp) - const time_t *t; - struct tm *tp; -{ - struct tm *l = localtime (t); - if (! l) - return 0; - *tp = *l; - return tp; -} -# endif /* ! _LIBC */ -#endif /* ! HAVE_LOCALTIME_R && ! defined (localtime_r) */ - - -#define match_char(ch1, ch2) if (ch1 != ch2) return NULL -#if defined __GNUC__ && __GNUC__ >= 2 -# ifdef USE_IN_EXTENDED_LOCALE_MODEL -# define match_string(cs1, s2) \ - ({ size_t len = strlen (cs1); \ - int result = __strncasecmp_l ((cs1), (s2), len, locale) == 0; \ - if (result) (s2) += len; \ - result; }) -# else -# define match_string(cs1, s2) \ - ({ size_t len = strlen (cs1); \ - int result = strncasecmp ((cs1), (s2), len) == 0; \ - if (result) (s2) += len; \ - result; }) -# endif -#else -/* Oh come on. Get a reasonable compiler. */ -# define match_string(cs1, s2) \ - (strncasecmp ((cs1), (s2), strlen (cs1)) ? 0 : ((s2) += strlen (cs1), 1)) -#endif -/* We intentionally do not use isdigit() for testing because this will - lead to problems with the wide character version. */ -#define get_number(from, to, n) \ - do { \ - int __n = n; \ - val = 0; \ - while (*rp == ' ') \ - ++rp; \ - if (*rp < '0' || *rp > '9') \ - return NULL; \ - do { \ - val *= 10; \ - val += *rp++ - '0'; \ - } while (--__n > 0 && val * 10 <= to && *rp >= '0' && *rp <= '9'); \ - if (val < from || val > to) \ - return NULL; \ - } while (0) -#ifdef _NL_CURRENT -# define get_alt_number(from, to, n) \ - ({ \ - __label__ do_normal; \ - \ - if (*decided != raw) \ - { \ - val = _nl_parse_alt_digit (&rp HELPER_LOCALE_ARG); \ - if (val == -1 && *decided != loc) \ - { \ - *decided = loc; \ - goto do_normal; \ - } \ - if (val < from || val > to) \ - return NULL; \ - } \ - else \ - { \ - do_normal: \ - get_number (from, to, n); \ - } \ - 0; \ - }) -#else -# define get_alt_number(from, to, n) \ - /* We don't have the alternate representation. */ \ - get_number(from, to, n) -#endif -#define recursive(new_fmt) \ - (*(new_fmt) != '\0' \ - && (rp = strptime_internal (rp, (new_fmt), tm, \ - decided, era_cnt LOCALE_ARG)) != NULL) - - -#ifdef _LIBC -/* This is defined in locale/C-time.c in the GNU libc. */ -extern const struct locale_data _nl_C_LC_TIME attribute_hidden; - -# define weekday_name (&_nl_C_LC_TIME.values[_NL_ITEM_INDEX (DAY_1)].string) -# define ab_weekday_name \ - (&_nl_C_LC_TIME.values[_NL_ITEM_INDEX (ABDAY_1)].string) -# define month_name (&_nl_C_LC_TIME.values[_NL_ITEM_INDEX (MON_1)].string) -# define ab_month_name (&_nl_C_LC_TIME.values[_NL_ITEM_INDEX (ABMON_1)].string) -# define HERE_D_T_FMT (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (D_T_FMT)].string) -# define HERE_D_FMT (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (D_FMT)].string) -# define HERE_AM_STR (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (AM_STR)].string) -# define HERE_PM_STR (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (PM_STR)].string) -# define HERE_T_FMT_AMPM \ - (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (T_FMT_AMPM)].string) -# define HERE_T_FMT (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (T_FMT)].string) - -# define strncasecmp(s1, s2, n) __strncasecmp (s1, s2, n) -#else -static char const weekday_name[][10] = - { - "Sunday", "Monday", "Tuesday", "Wednesday", - "Thursday", "Friday", "Saturday" - }; -static char const ab_weekday_name[][4] = - { - "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" - }; -static char const month_name[][10] = - { - "January", "February", "March", "April", "May", "June", - "July", "August", "September", "October", "November", "December" - }; -static char const ab_month_name[][4] = - { - "Jan", "Feb", "Mar", "Apr", "May", "Jun", - "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" - }; -# define HERE_D_T_FMT "%a %b %e %H:%M:%S %Y" -# define HERE_D_FMT "%m/%d/%y" -# define HERE_AM_STR "AM" -# define HERE_PM_STR "PM" -# define HERE_T_FMT_AMPM "%I:%M:%S %p" -# define HERE_T_FMT "%H:%M:%S" - -static const unsigned short int __mon_yday[2][13] = - { - /* Normal years. */ - { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 }, - /* Leap years. */ - { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 } - }; -#endif - -#if defined _LIBC && defined USE_IN_EXTENDED_LOCALE_MODEL -/* We use this code also for the extended locale handling where the - function gets as an additional argument the locale which has to be - used. To access the values we have to redefine the _NL_CURRENT - macro. */ -# define strptime __strptime_l -# undef _NL_CURRENT -# define _NL_CURRENT(category, item) \ - (current->values[_NL_ITEM_INDEX (item)].string) -# undef _NL_CURRENT_WORD -# define _NL_CURRENT_WORD(category, item) \ - (current->values[_NL_ITEM_INDEX (item)].word) -# define LOCALE_PARAM , locale -# define LOCALE_ARG , locale -# define LOCALE_PARAM_PROTO , __locale_t locale -# define LOCALE_PARAM_DECL __locale_t locale; -# define HELPER_LOCALE_ARG , current -# define ISSPACE(Ch) __isspace_l (Ch, locale) -#else -# define LOCALE_PARAM -# define LOCALE_ARG -# define LOCALE_PARAM_DECL -# define LOCALE_PARAM_PROTO -# ifdef _LIBC -# define HELPER_LOCALE_ARG , _NL_CURRENT_DATA (LC_TIME) -# else -# define HELPER_LOCALE_ARG -# endif -# define ISSPACE(Ch) isspace (Ch) -#endif - - -/* Status of lookup: do we use the locale data or the raw data? */ -enum locale_status { not, loc, raw }; - - -#ifndef __isleap -/* Nonzero if YEAR is a leap year (every 4 years, - except every 100th isn't, and every 400th is). */ -# define __isleap(year) \ - ((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0)) -#endif - -/* Compute the day of the week. */ -static void -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 = 1900 + tm->tm_year - (tm->tm_mon < 2); - int wday = (-473 - + (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 - 1); - tm->tm_wday = ((wday % 7) + 7) % 7; -} - -/* Compute the day of the year. */ -static void -day_of_the_year (struct tm *tm) -{ - tm->tm_yday = (__mon_yday[__isleap (1900 + tm->tm_year)][tm->tm_mon] - + (tm->tm_mday - 1)); -} - - -static char * -#ifdef _LIBC -internal_function -#endif -strptime_internal __P ((const char *rp, const char *fmt, struct tm *tm, - enum locale_status *decided, int era_cnt - LOCALE_PARAM_PROTO)); - -static char * -#ifdef _LIBC -internal_function -#endif -strptime_internal (rp, fmt, tm, decided, era_cnt LOCALE_PARAM) - const char *rp; - const char *fmt; - struct tm *tm; - enum locale_status *decided; - int era_cnt; - LOCALE_PARAM_DECL -{ -#if defined _LIBC && defined USE_IN_EXTENDED_LOCALE_MODEL - struct locale_data *const current = locale->__locales[LC_TIME]; -#endif - - const char *rp_backup; - int cnt; - size_t val; - int have_I, is_pm; - int century, want_century; - int want_era; - 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; - - have_I = is_pm = 0; - century = -1; - want_century = 0; - want_era = 0; - era = NULL; - week_no = 0; - - have_wday = want_xday = have_yday = have_mon = have_mday = have_uweek = 0; - have_wweek = 0; - - while (*fmt != '\0') - { - /* A white space in the format string matches 0 more or white - space in the input string. */ - if (ISSPACE (*fmt)) - { - while (ISSPACE (*rp)) - ++rp; - ++fmt; - continue; - } - - /* Any character but `%' must be matched by the same character - in the iput string. */ - if (*fmt != '%') - { - match_char (*fmt++, *rp++); - continue; - } - - ++fmt; -#ifndef _NL_CURRENT - /* We need this for handling the `E' modifier. */ - start_over: -#endif - - /* Make back up of current processing pointer. */ - rp_backup = rp; - - switch (*fmt++) - { - case '%': - /* Match the `%' character itself. */ - match_char ('%', *rp++); - break; - case 'a': - case 'A': - /* Match day of week. */ - for (cnt = 0; cnt < 7; ++cnt) - { -#ifdef _NL_CURRENT - if (*decided !=raw) - { - if (match_string (_NL_CURRENT (LC_TIME, DAY_1 + cnt), rp)) - { - if (*decided == not - && strcmp (_NL_CURRENT (LC_TIME, DAY_1 + cnt), - weekday_name[cnt])) - *decided = loc; - break; - } - if (match_string (_NL_CURRENT (LC_TIME, ABDAY_1 + cnt), rp)) - { - if (*decided == not - && strcmp (_NL_CURRENT (LC_TIME, ABDAY_1 + cnt), - ab_weekday_name[cnt])) - *decided = loc; - break; - } - } -#endif - if (*decided != loc - && (match_string (weekday_name[cnt], rp) - || match_string (ab_weekday_name[cnt], rp))) - { - *decided = raw; - break; - } - } - if (cnt == 7) - /* Does not match a weekday name. */ - return NULL; - tm->tm_wday = cnt; - have_wday = 1; - break; - case 'b': - case 'B': - case 'h': - /* Match month name. */ - for (cnt = 0; cnt < 12; ++cnt) - { -#ifdef _NL_CURRENT - if (*decided !=raw) - { - if (match_string (_NL_CURRENT (LC_TIME, MON_1 + cnt), rp)) - { - if (*decided == not - && strcmp (_NL_CURRENT (LC_TIME, MON_1 + cnt), - month_name[cnt])) - *decided = loc; - break; - } - if (match_string (_NL_CURRENT (LC_TIME, ABMON_1 + cnt), rp)) - { - if (*decided == not - && strcmp (_NL_CURRENT (LC_TIME, ABMON_1 + cnt), - ab_month_name[cnt])) - *decided = loc; - break; - } - } -#endif - if (match_string (month_name[cnt], rp) - || match_string (ab_month_name[cnt], rp)) - { - *decided = raw; - break; - } - } - if (cnt == 12) - /* Does not match a month name. */ - return NULL; - tm->tm_mon = cnt; - want_xday = 1; - break; - case 'c': - /* Match locale's date and time format. */ -#ifdef _NL_CURRENT - if (*decided != raw) - { - if (!recursive (_NL_CURRENT (LC_TIME, D_T_FMT))) - { - if (*decided == loc) - return NULL; - else - rp = rp_backup; - } - else - { - if (*decided == not && - strcmp (_NL_CURRENT (LC_TIME, D_T_FMT), HERE_D_T_FMT)) - *decided = loc; - want_xday = 1; - break; - } - *decided = raw; - } -#endif - if (!recursive (HERE_D_T_FMT)) - return NULL; - want_xday = 1; - break; - case 'C': - /* Match century number. */ - match_century: - get_number (0, 99, 2); - century = val; - want_xday = 1; - break; - case 'd': - case 'e': - /* Match day of month. */ - get_number (1, 31, 2); - tm->tm_mday = val; - have_mday = 1; - want_xday = 1; - break; - case 'F': - if (!recursive ("%Y-%m-%d")) - return NULL; - want_xday = 1; - break; - case 'x': -#ifdef _NL_CURRENT - if (*decided != raw) - { - if (!recursive (_NL_CURRENT (LC_TIME, D_FMT))) - { - if (*decided == loc) - return NULL; - else - rp = rp_backup; - } - else - { - if (*decided == not - && strcmp (_NL_CURRENT (LC_TIME, D_FMT), HERE_D_FMT)) - *decided = loc; - want_xday = 1; - break; - } - *decided = raw; - } -#endif - /* Fall through. */ - case 'D': - /* Match standard day format. */ - if (!recursive (HERE_D_FMT)) - return NULL; - want_xday = 1; - break; - case 'k': - case 'H': - /* Match hour in 24-hour clock. */ - get_number (0, 23, 2); - tm->tm_hour = val; - have_I = 0; - break; - case 'l': - /* Match hour in 12-hour clock. GNU extension. */ - case 'I': - /* Match hour in 12-hour clock. */ - get_number (1, 12, 2); - tm->tm_hour = val % 12; - have_I = 1; - break; - case 'j': - /* Match day number of year. */ - get_number (1, 366, 3); - tm->tm_yday = val - 1; - have_yday = 1; - break; - case 'm': - /* Match number of month. */ - get_number (1, 12, 2); - tm->tm_mon = val - 1; - have_mon = 1; - want_xday = 1; - break; - case 'M': - /* Match minute. */ - get_number (0, 59, 2); - tm->tm_min = val; - break; - case 'n': - case 't': - /* Match any white space. */ - while (ISSPACE (*rp)) - ++rp; - break; - case 'p': - /* Match locale's equivalent of AM/PM. */ -#ifdef _NL_CURRENT - if (*decided != raw) - { - if (match_string (_NL_CURRENT (LC_TIME, AM_STR), rp)) - { - if (strcmp (_NL_CURRENT (LC_TIME, AM_STR), HERE_AM_STR)) - *decided = loc; - break; - } - if (match_string (_NL_CURRENT (LC_TIME, PM_STR), rp)) - { - if (strcmp (_NL_CURRENT (LC_TIME, PM_STR), HERE_PM_STR)) - *decided = loc; - is_pm = 1; - break; - } - *decided = raw; - } -#endif - if (!match_string (HERE_AM_STR, rp)) - if (match_string (HERE_PM_STR, rp)) - is_pm = 1; - else - return NULL; - break; - case 'r': -#ifdef _NL_CURRENT - if (*decided != raw) - { - if (!recursive (_NL_CURRENT (LC_TIME, T_FMT_AMPM))) - { - if (*decided == loc) - return NULL; - else - rp = rp_backup; - } - else - { - if (*decided == not && - strcmp (_NL_CURRENT (LC_TIME, T_FMT_AMPM), - HERE_T_FMT_AMPM)) - *decided = loc; - break; - } - *decided = raw; - } -#endif - if (!recursive (HERE_T_FMT_AMPM)) - return NULL; - break; - case 'R': - if (!recursive ("%H:%M")) - return NULL; - break; - case 's': - { - /* The number of seconds may be very high so we cannot use - the `get_number' macro. Instead read the number - character for character and construct the result while - doing this. */ - time_t secs = 0; - if (*rp < '0' || *rp > '9') - /* We need at least one digit. */ - return NULL; - - do - { - secs *= 10; - secs += *rp++ - '0'; - } - while (*rp >= '0' && *rp <= '9'); - - if (localtime_r (&secs, tm) == NULL) - /* Error in function. */ - return NULL; - } - break; - case 'S': - get_number (0, 61, 2); - tm->tm_sec = val; - break; - case 'X': -#ifdef _NL_CURRENT - if (*decided != raw) - { - if (!recursive (_NL_CURRENT (LC_TIME, T_FMT))) - { - if (*decided == loc) - return NULL; - else - rp = rp_backup; - } - else - { - if (strcmp (_NL_CURRENT (LC_TIME, T_FMT), HERE_T_FMT)) - *decided = loc; - break; - } - *decided = raw; - } -#endif - /* Fall through. */ - case 'T': - if (!recursive (HERE_T_FMT)) - return NULL; - break; - case 'u': - get_number (1, 7, 1); - tm->tm_wday = val % 7; - have_wday = 1; - break; - case 'g': - get_number (0, 99, 2); - /* XXX This cannot determine any field in TM. */ - break; - case 'G': - if (*rp < '0' || *rp > '9') - return NULL; - /* XXX Ignore the number since we would need some more - information to compute a real date. */ - do - ++rp; - while (*rp >= '0' && *rp <= '9'); - break; - case 'U': - 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; - case 'w': - /* Match number of weekday. */ - get_number (0, 6, 1); - tm->tm_wday = val; - have_wday = 1; - break; - case 'y': - match_year_in_century: - /* Match year within century. */ - get_number (0, 99, 2); - /* The "Year 2000: The Millennium Rollover" paper suggests that - values in the range 69-99 refer to the twentieth century. */ - tm->tm_year = val >= 69 ? val : val + 100; - /* Indicate that we want to use the century, if specified. */ - want_century = 1; - want_xday = 1; - break; - case 'Y': - /* Match year including century number. */ - get_number (0, 9999, 4); - tm->tm_year = val - 1900; - want_century = 0; - want_xday = 1; - break; - case 'Z': - /* XXX How to handle this? */ - break; - case 'E': -#ifdef _NL_CURRENT - switch (*fmt++) - { - case 'c': - /* Match locale's alternate date and time format. */ - if (*decided != raw) - { - const char *fmt = _NL_CURRENT (LC_TIME, ERA_D_T_FMT); - - if (*fmt == '\0') - fmt = _NL_CURRENT (LC_TIME, D_T_FMT); - - if (!recursive (fmt)) - { - if (*decided == loc) - return NULL; - else - rp = rp_backup; - } - else - { - if (strcmp (fmt, HERE_D_T_FMT)) - *decided = loc; - want_xday = 1; - break; - } - *decided = raw; - } - /* The C locale has no era information, so use the - normal representation. */ - if (!recursive (HERE_D_T_FMT)) - return NULL; - want_xday = 1; - break; - case 'C': - if (*decided != raw) - { - if (era_cnt >= 0) - { - era = _nl_select_era_entry (era_cnt HELPER_LOCALE_ARG); - if (era != NULL && match_string (era->era_name, rp)) - { - *decided = loc; - break; - } - else - return NULL; - } - else - { - num_eras = _NL_CURRENT_WORD (LC_TIME, - _NL_TIME_ERA_NUM_ENTRIES); - for (era_cnt = 0; era_cnt < (int) num_eras; - ++era_cnt, rp = rp_backup) - { - era = _nl_select_era_entry (era_cnt - HELPER_LOCALE_ARG); - if (era != NULL && match_string (era->era_name, rp)) - { - *decided = loc; - break; - } - } - if (era_cnt == (int) num_eras) - { - era_cnt = -1; - if (*decided == loc) - return NULL; - } - else - break; - } - - *decided = raw; - } - /* The C locale has no era information, so use the - normal representation. */ - goto match_century; - case 'y': - if (*decided == raw) - goto match_year_in_century; - - get_number(0, 9999, 4); - tm->tm_year = val; - want_era = 1; - want_xday = 1; - want_century = 1; - break; - case 'Y': - if (*decided != raw) - { - num_eras = _NL_CURRENT_WORD (LC_TIME, - _NL_TIME_ERA_NUM_ENTRIES); - for (era_cnt = 0; era_cnt < (int) num_eras; - ++era_cnt, rp = rp_backup) - { - era = _nl_select_era_entry (era_cnt HELPER_LOCALE_ARG); - if (era != NULL && recursive (era->era_format)) - break; - } - if (era_cnt == (int) num_eras) - { - era_cnt = -1; - if (*decided == loc) - return NULL; - else - rp = rp_backup; - } - else - { - *decided = loc; - era_cnt = -1; - break; - } - - *decided = raw; - } - get_number (0, 9999, 4); - tm->tm_year = val - 1900; - want_century = 0; - want_xday = 1; - break; - case 'x': - if (*decided != raw) - { - const char *fmt = _NL_CURRENT (LC_TIME, ERA_D_FMT); - - if (*fmt == '\0') - fmt = _NL_CURRENT (LC_TIME, D_FMT); - - if (!recursive (fmt)) - { - if (*decided == loc) - return NULL; - else - rp = rp_backup; - } - else - { - if (strcmp (fmt, HERE_D_FMT)) - *decided = loc; - break; - } - *decided = raw; - } - if (!recursive (HERE_D_FMT)) - return NULL; - break; - case 'X': - if (*decided != raw) - { - const char *fmt = _NL_CURRENT (LC_TIME, ERA_T_FMT); - - if (*fmt == '\0') - fmt = _NL_CURRENT (LC_TIME, T_FMT); - - if (!recursive (fmt)) - { - if (*decided == loc) - return NULL; - else - rp = rp_backup; - } - else - { - if (strcmp (fmt, HERE_T_FMT)) - *decided = loc; - break; - } - *decided = raw; - } - if (!recursive (HERE_T_FMT)) - return NULL; - break; - default: - return NULL; - } - break; -#else - /* We have no information about the era format. Just use - the normal format. */ - if (*fmt != 'c' && *fmt != 'C' && *fmt != 'y' && *fmt != 'Y' - && *fmt != 'x' && *fmt != 'X') - /* This is an illegal format. */ - return NULL; - - goto start_over; -#endif - case 'O': - switch (*fmt++) - { - case 'd': - case 'e': - /* Match day of month using alternate numeric symbols. */ - get_alt_number (1, 31, 2); - tm->tm_mday = val; - have_mday = 1; - want_xday = 1; - break; - case 'H': - /* Match hour in 24-hour clock using alternate numeric - symbols. */ - get_alt_number (0, 23, 2); - tm->tm_hour = val; - have_I = 0; - break; - case 'I': - /* Match hour in 12-hour clock using alternate numeric - symbols. */ - get_alt_number (1, 12, 2); - tm->tm_hour = val % 12; - have_I = 1; - break; - case 'm': - /* Match month using alternate numeric symbols. */ - get_alt_number (1, 12, 2); - tm->tm_mon = val - 1; - have_mon = 1; - want_xday = 1; - break; - case 'M': - /* Match minutes using alternate numeric symbols. */ - get_alt_number (0, 59, 2); - tm->tm_min = val; - break; - case 'S': - /* Match seconds using alternate numeric symbols. */ - get_alt_number (0, 61, 2); - tm->tm_sec = val; - break; - case 'U': - 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; - case 'w': - /* Match number of weekday using alternate numeric symbols. */ - get_alt_number (0, 6, 1); - tm->tm_wday = val; - have_wday = 1; - break; - case 'y': - /* Match year within century using alternate numeric symbols. */ - get_alt_number (0, 99, 2); - tm->tm_year = val >= 69 ? val : val + 100; - want_xday = 1; - break; - default: - return NULL; - } - break; - default: - return NULL; - } - } - - if (have_I && is_pm) - tm->tm_hour += 12; - - if (century != -1) - { - if (want_century) - tm->tm_year = tm->tm_year % 100 + (century - 19) * 100; - else - /* Only the century, but not the year. Strange, but so be it. */ - tm->tm_year = (century - 19) * 100; - } - - if (era_cnt != -1) - { - era = _nl_select_era_entry (era_cnt HELPER_LOCALE_ARG); - if (era == NULL) - return NULL; - if (want_era) - tm->tm_year = (era->start_date[0] - + ((tm->tm_year - era->offset) - * era->absolute_direction)); - else - /* Era start year assumed. */ - tm->tm_year = era->start_date[0]; - } - else - if (want_era) - { - /* No era found but we have seen an E modifier. Rectify some - values. */ - if (want_century && century == -1 && tm->tm_year < 69) - tm->tm_year += 100; - } - - if (want_xday && !have_wday) - { - if ( !(have_mon && have_mday) && have_yday) - { - /* We don't have tm_mon and/or tm_mday, compute them. */ - 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); - } - day_of_the_week (tm); - } - - 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; -} +#include <locale/localeinfo.h> char * -strptime (buf, format, tm LOCALE_PARAM) +strptime (buf, format, tm) const char *buf; const char *format; struct tm *tm; - LOCALE_PARAM_DECL { - enum locale_status decided; - -#ifdef _NL_CURRENT - decided = not; -#else - decided = raw; -#endif - return strptime_internal (buf, format, tm, &decided, -1 LOCALE_ARG); + enum ptime_locale_status decided = not; + return __strptime_internal (buf, format, tm, &decided, -1, + _NL_CURRENT_LOCALE); } -#if defined _LIBC && !defined USE_IN_EXTENDED_LOCALE_MODEL libc_hidden_def (strptime) -#endif |