[evolution-rss] add lgpled strptime file
- From: Lucian Langa <lucilanga src gnome org>
- To: svn-commits-list gnome org
- Subject: [evolution-rss] add lgpled strptime file
- Date: Thu, 21 May 2009 12:55:14 -0400 (EDT)
commit 337e6a4a121ff8d754c5b5722e1d0f88a2da780b
Author: Fridrich Strba <fridrich strba bluewin ch>
Date: Thu May 21 19:54:18 2009 +0300
add lgpled strptime file
---
src/strptime.c | 1478 ++++++++++++++++++++++++++++++++++++++++----------------
1 files changed, 1072 insertions(+), 406 deletions(-)
diff --git a/src/strptime.c b/src/strptime.c
index 39c5a8c..a542004 100644
--- a/src/strptime.c
+++ b/src/strptime.c
@@ -1,430 +1,1096 @@
-/* $OpenBSD: strptime.c,v 1.11 2005/08/08 08:05:38 espie Exp $ */
-/* $NetBSD: strptime.c,v 1.12 1998/01/20 21:39:40 mycroft Exp $ */
-
-/*-
- * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code was contributed to The NetBSD Foundation by Klaus Klein.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the NetBSD
- * Foundation, Inc. and its contributors.
- * 4. Neither the name of The NetBSD Foundation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
+/* Copyright (C) 2002, 2004, 2005, 2007 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
-#include <ctype.h>
-#include <locale.h>
-#include <string.h>
-#include <time.h>
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
-#define TM_YEAR_BASE 1900
-
-static const struct {
- const char *abday[7];
- const char *day[7];
- const char *abmon[12];
- const char *mon[12];
- const char *am_pm[2];
- const char *d_t_fmt;
- const char *d_fmt;
- const char *t_fmt;
- const char *t_fmt_ampm;
-} _DefaultTimeLocale = {
- {
- "Sun","Mon","Tue","Wed","Thu","Fri","Sat",
- },
- {
- "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday",
- "Friday", "Saturday"
- },
- {
- "Jan", "Feb", "Mar", "Apr", "May", "Jun",
- "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
- },
- {
- "January", "February", "March", "April", "May", "June", "July",
- "August", "September", "October", "November", "December"
- },
- {
- "AM", "PM"
- },
- "%a %b %d %H:%M:%S %Y",
- "%m/%d/%y",
- "%H:%M:%S",
- "%I:%M:%S %p"
-};
-
-#define _ctloc(x) (_DefaultTimeLocale.x)
+ 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
+ Lesser General Public License for more details.
-/*
- * We do not implement alternate representations. However, we always
- * check whether a given modifier is allowed for a certain conversion.
- */
-#define _ALT_E 0x01
-#define _ALT_O 0x02
-#define _LEGAL_ALT(x) { if (alt_format & ~(x)) return (0); }
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+#ifdef WIN32
-static int _conv_num(const unsigned char **, int *, int, int);
-static char *_strptime(const char *, const char *, struct tm *, int);
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
-
-char *
-strptime(const char *buf, const char *fmt, struct tm *tm)
+#include <assert.h>
+#include <ctype.h>
+#include <limits.h>
+#include <string.h>
+#include <time.h>
+#include <stdbool.h>
+
+#define match_char(ch1, ch2) if (ch1 != ch2) return NULL
+
+#define match_string(cs1, s2) \
+ (strncasecmp ((cs1), (s2), strlen (cs1)) ? 0 : ((s2) += strlen (cs1), 1))
+
+/* 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
+#error what is this
+# define get_alt_number(from, to, n) \
+ ({ \
+ __label__ do_normal; \
+ \
+ if (s.decided != raw) \
+ { \
+ val = _nl_parse_alt_digit (&rp); \
+ if (val == -1 && s.decided != loc) \
+ { \
+ s.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, &s)) != NULL)
+
+
+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 }
+ };
+
+#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)
{
- return(_strptime(buf, fmt, tm, 1));
+ /* 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;
}
-static char *
-_strptime(const char *buf, const char *fmt, struct tm *tm, int initialize)
+/* Compute the day of the year. */
+static void
+day_of_the_year (struct tm *tm)
{
- unsigned char c;
- const unsigned char *bp;
- size_t len;
- int alt_format, i;
- static int century, relyear;
-
- if (initialize) {
- century = TM_YEAR_BASE;
- relyear = -1;
- }
-
- bp = (unsigned char *)buf;
- while ((c = *fmt) != '\0') {
- /* Clear `alternate' modifier prior to new conversion. */
- alt_format = 0;
+ tm->tm_yday = (__mon_yday[__isleap (1900 + tm->tm_year)][tm->tm_mon]
+ + (tm->tm_mday - 1));
+}
- /* Eat up white-space. */
- if (isspace(c)) {
- while (isspace(*bp))
- bp++;
- fmt++;
- continue;
- }
+static char *
+__strptime_internal (const char *rp, const char *fmt, struct tm *tmp, void *statep)
+{
- if ((c = *fmt++) != '%')
- goto literal;
-
-
-again: switch (c = *fmt++) {
- case '%': /* "%%" is converted to "%". */
-literal:
- if (c != *bp++)
- return (NULL);
-
- break;
-
- /*
- * "Alternative" modifiers. Just set the appropriate flag
- * and start over again.
- */
- case 'E': /* "%E?" alternative conversion modifier. */
- _LEGAL_ALT(0);
- alt_format |= _ALT_E;
- goto again;
-
- case 'O': /* "%O?" alternative conversion modifier. */
- _LEGAL_ALT(0);
- alt_format |= _ALT_O;
- goto again;
-
- /*
- * "Complex" conversion rules, implemented through recursion.
- */
- case 'c': /* Date and time, using the locale's format. */
- _LEGAL_ALT(_ALT_E);
- if (!(bp = _strptime(bp, _ctloc(d_t_fmt), tm, 0)))
- return (NULL);
- break;
-
- case 'D': /* The date as "%m/%d/%y". */
- _LEGAL_ALT(0);
- if (!(bp = _strptime(bp, "%m/%d/%y", tm, 0)))
- return (NULL);
- break;
-
- case 'R': /* The time as "%H:%M". */
- _LEGAL_ALT(0);
- if (!(bp = _strptime(bp, "%H:%M", tm, 0)))
- return (NULL);
- break;
-
- case 'r': /* The time as "%I:%M:%S %p". */
- _LEGAL_ALT(0);
- if (!(bp = _strptime(bp, "%I:%M:%S %p", tm, 0)))
- return (NULL);
- break;
-
- case 'T': /* The time as "%H:%M:%S". */
- _LEGAL_ALT(0);
- if (!(bp = _strptime(bp, "%H:%M:%S", tm, 0)))
- return (NULL);
- break;
-
- case 'X': /* The time, using the locale's format. */
- _LEGAL_ALT(_ALT_E);
- if (!(bp = _strptime(bp, _ctloc(t_fmt), tm, 0)))
- return (NULL);
- break;
-
- case 'x': /* The date, using the locale's format. */
- _LEGAL_ALT(_ALT_E);
- if (!(bp = _strptime(bp, _ctloc(d_fmt), tm, 0)))
- return (NULL);
- break;
-
- /*
- * "Elementary" conversion rules.
- */
- case 'A': /* The day of week, using the locale's form. */
- case 'a':
- _LEGAL_ALT(0);
- for (i = 0; i < 7; i++) {
- /* Full name. */
- len = strlen(_ctloc(day[i]));
- if (strncasecmp(_ctloc(day[i]), bp, len) == 0)
- break;
-
- /* Abbreviated name. */
- len = strlen(_ctloc(abday[i]));
- if (strncasecmp(_ctloc(abday[i]), bp, len) == 0)
- break;
- }
-
- /* Nothing matched. */
- if (i == 7)
- return (NULL);
-
- tm->tm_wday = i;
- bp += len;
- break;
-
- case 'B': /* The month, using the locale's form. */
- case 'b':
- case 'h':
- _LEGAL_ALT(0);
- for (i = 0; i < 12; i++) {
- /* Full name. */
- len = strlen(_ctloc(mon[i]));
- if (strncasecmp(_ctloc(mon[i]), bp, len) == 0)
- break;
-
- /* Abbreviated name. */
- len = strlen(_ctloc(abmon[i]));
- if (strncasecmp(_ctloc(abmon[i]), bp, len) == 0)
- break;
- }
-
- /* Nothing matched. */
- if (i == 12)
- return (NULL);
-
- tm->tm_mon = i;
- bp += len;
- break;
-
- case 'C': /* The century number. */
- _LEGAL_ALT(_ALT_E);
- if (!(_conv_num(&bp, &i, 0, 99)))
- return (NULL);
-
- century = i * 100;
- break;
-
- case 'd': /* The day of month. */
- case 'e':
- _LEGAL_ALT(_ALT_O);
- if (!(_conv_num(&bp, &tm->tm_mday, 1, 31)))
- return (NULL);
- break;
-
- case 'k': /* The hour (24-hour clock representation). */
- _LEGAL_ALT(0);
- /* FALLTHROUGH */
- case 'H':
- _LEGAL_ALT(_ALT_O);
- if (!(_conv_num(&bp, &tm->tm_hour, 0, 23)))
- return (NULL);
- break;
-
- case 'l': /* The hour (12-hour clock representation). */
- _LEGAL_ALT(0);
- /* FALLTHROUGH */
- case 'I':
- _LEGAL_ALT(_ALT_O);
- if (!(_conv_num(&bp, &tm->tm_hour, 1, 12)))
- return (NULL);
- break;
-
- case 'j': /* The day of year. */
- _LEGAL_ALT(0);
- if (!(_conv_num(&bp, &tm->tm_yday, 1, 366)))
- return (NULL);
- tm->tm_yday--;
- break;
-
- case 'M': /* The minute. */
- _LEGAL_ALT(_ALT_O);
- if (!(_conv_num(&bp, &tm->tm_min, 0, 59)))
- return (NULL);
- break;
-
- case 'm': /* The month. */
- _LEGAL_ALT(_ALT_O);
- if (!(_conv_num(&bp, &tm->tm_mon, 1, 12)))
- return (NULL);
- tm->tm_mon--;
- break;
-
- case 'p': /* The locale's equivalent of AM/PM. */
- _LEGAL_ALT(0);
- /* AM? */
- len = strlen(_ctloc(am_pm[0]));
- if (strncasecmp(_ctloc(am_pm[0]), bp, len) == 0) {
- if (tm->tm_hour > 12) /* i.e., 13:00 AM ?! */
- return (NULL);
- else if (tm->tm_hour == 12)
- tm->tm_hour = 0;
-
- bp += len;
- break;
- }
- /* PM? */
- len = strlen(_ctloc(am_pm[1]));
- if (strncasecmp(_ctloc(am_pm[1]), bp, len) == 0) {
- if (tm->tm_hour > 12) /* i.e., 13:00 PM ?! */
- return (NULL);
- else if (tm->tm_hour < 12)
- tm->tm_hour += 12;
-
- bp += len;
- break;
- }
-
- /* Nothing matched. */
- return (NULL);
-
- case 'S': /* The seconds. */
- _LEGAL_ALT(_ALT_O);
- if (!(_conv_num(&bp, &tm->tm_sec, 0, 61)))
- return (NULL);
- break;
-
- case 'U': /* The week of year, beginning on sunday. */
- case 'W': /* The week of year, beginning on monday. */
- _LEGAL_ALT(_ALT_O);
- /*
- * XXX This is bogus, as we can not assume any valid
- * information present in the tm structure at this
- * point to calculate a real value, so just check the
- * range for now.
- */
- if (!(_conv_num(&bp, &i, 0, 53)))
- return (NULL);
- break;
-
- case 'w': /* The day of week, beginning on sunday. */
- _LEGAL_ALT(_ALT_O);
- if (!(_conv_num(&bp, &tm->tm_wday, 0, 6)))
- return (NULL);
- break;
-
- case 'Y': /* The year. */
- _LEGAL_ALT(_ALT_E);
- if (!(_conv_num(&bp, &i, 0, 9999)))
- return (NULL);
-
- relyear = -1;
- tm->tm_year = i - TM_YEAR_BASE;
- break;
-
- case 'y': /* The year within the century (2 digits). */
- _LEGAL_ALT(_ALT_E | _ALT_O);
- if (!(_conv_num(&bp, &relyear, 0, 99)))
- return (NULL);
- break;
-
- /*
- * Miscellaneous conversions.
- */
- case 'n': /* Any kind of white-space. */
- case 't':
- _LEGAL_ALT(0);
- while (isspace(*bp))
- bp++;
- break;
-
-
- default: /* Unknown/unsupported conversion. */
- return (NULL);
+ const char *rp_backup;
+ const char *rp_longest;
+ int cnt;
+ int cnt_longest;
+ size_t val;
+ size_t num_eras;
+ struct era_entry *era = NULL;
+ enum ptime_locale_status { nott, loc, raw } decided_longest;
+ struct __strptime_state
+ {
+ unsigned int have_I : 1;
+ unsigned int have_wday : 1;
+ unsigned int have_yday : 1;
+ unsigned int have_mon : 1;
+ unsigned int have_mday : 1;
+ unsigned int have_uweek : 1;
+ unsigned int have_wweek : 1;
+ unsigned int is_pm : 1;
+ unsigned int want_century : 1;
+ unsigned int want_era : 1;
+ unsigned int want_xday : 1;
+ enum ptime_locale_status decided : 2;
+ signed char week_no;
+ signed char century;
+ int era_cnt;
+ } s;
+ struct tm tmb;
+ struct tm *tm;
+
+ if (statep == NULL)
+ {
+ memset (&s, 0, sizeof (s));
+ s.century = -1;
+ s.era_cnt = -1;
+#ifdef _NL_CURRENT
+ s.decided = nott;
+#else
+ s.decided = raw;
+#endif
+ tm = tmp;
+ }
+ else
+ {
+ s = *(struct __strptime_state *) statep;
+ tmb = *tmp;
+ tm = &tmb;
+ }
+
+ 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;
+ if (statep != NULL)
+ {
+ /* In recursive calls silently discard strftime modifiers. */
+ while (*fmt == '-' || *fmt == '_' || *fmt == '0'
+ || *fmt == '^' || *fmt == '#')
+ ++fmt;
+
+ /* And field width. */
+ while (*fmt >= '0' && *fmt <= '9')
+ ++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. */
+ rp_longest = NULL;
+ decided_longest = s.decided;
+ cnt_longest = -1;
+ for (cnt = 0; cnt < 7; ++cnt)
+ {
+ const char *trp;
+#ifdef _NL_CURRENT
+ if (s.decided !=raw)
+ {
+ trp = rp;
+ if (match_string (_NL_CURRENT (LC_TIME, DAY_1 + cnt), trp)
+ && trp > rp_longest)
+ {
+ rp_longest = trp;
+ cnt_longest = cnt;
+ if (s.decided == nott
+ && strcmp (_NL_CURRENT (LC_TIME, DAY_1 + cnt),
+ weekday_name[cnt]))
+ decided_longest = loc;
+ }
+ trp = rp;
+ if (match_string (_NL_CURRENT (LC_TIME, ABDAY_1 + cnt), trp)
+ && trp > rp_longest)
+ {
+ rp_longest = trp;
+ cnt_longest = cnt;
+ if (s.decided == nott
+ && strcmp (_NL_CURRENT (LC_TIME, ABDAY_1 + cnt),
+ ab_weekday_name[cnt]))
+ decided_longest = loc;
+ }
+ }
+#endif
+ if (s.decided != loc
+ && (((trp = rp, match_string (weekday_name[cnt], trp))
+ && trp > rp_longest)
+ || ((trp = rp, match_string (ab_weekday_name[cnt], rp))
+ && trp > rp_longest)))
+ {
+ rp_longest = trp;
+ cnt_longest = cnt;
+ decided_longest = raw;
+ }
+ }
+ if (rp_longest == NULL)
+ /* Does not match a weekday name. */
+ return NULL;
+ rp = rp_longest;
+ s.decided = decided_longest;
+ tm->tm_wday = cnt_longest;
+ s.have_wday = 1;
+ break;
+ case 'b':
+ case 'B':
+ case 'h':
+ /* Match month name. */
+ rp_longest = NULL;
+ decided_longest = s.decided;
+ cnt_longest = -1;
+ for (cnt = 0; cnt < 12; ++cnt)
+ {
+ const char *trp;
+#ifdef _NL_CURRENT
+ if (s.decided !=raw)
+ {
+ trp = rp;
+ if (match_string (_NL_CURRENT (LC_TIME, MON_1 + cnt), trp)
+ && trp > rp_longest)
+ {
+ rp_longest = trp;
+ cnt_longest = cnt;
+ if (s.decided == nott
+ && strcmp (_NL_CURRENT (LC_TIME, MON_1 + cnt),
+ month_name[cnt]))
+ decided_longest = loc;
+ }
+ trp = rp;
+ if (match_string (_NL_CURRENT (LC_TIME, ABMON_1 + cnt), trp)
+ && trp > rp_longest)
+ {
+ rp_longest = trp;
+ cnt_longest = cnt;
+ if (s.decided == nott
+ && strcmp (_NL_CURRENT (LC_TIME, ABMON_1 + cnt),
+ ab_month_name[cnt]))
+ decided_longest = loc;
+ }
+ }
+#endif
+ if (s.decided != loc
+ && (((trp = rp, match_string (month_name[cnt], trp))
+ && trp > rp_longest)
+ || ((trp = rp, match_string (ab_month_name[cnt], trp))
+ && trp > rp_longest)))
+ {
+ rp_longest = trp;
+ cnt_longest = cnt;
+ decided_longest = raw;
+ }
+ }
+ if (rp_longest == NULL)
+ /* Does not match a month name. */
+ return NULL;
+ rp = rp_longest;
+ s.decided = decided_longest;
+ tm->tm_mon = cnt_longest;
+ s.have_mon = 1;
+ s.want_xday = 1;
+ break;
+ case 'c':
+ /* Match locale's date and time format. */
+#ifdef _NL_CURRENT
+ if (s.decided != raw)
+ {
+ if (!recursive (_NL_CURRENT (LC_TIME, D_T_FMT)))
+ {
+ if (s.decided == loc)
+ return NULL;
+ else
+ rp = rp_backup;
+ }
+ else
+ {
+ if (s.decided == nott &&
+ strcmp (_NL_CURRENT (LC_TIME, D_T_FMT), HERE_D_T_FMT))
+ s.decided = loc;
+ s.want_xday = 1;
+ break;
+ }
+ s.decided = raw;
+ }
+#endif
+ if (!recursive (HERE_D_T_FMT))
+ return NULL;
+ s.want_xday = 1;
+ break;
+ case 'C':
+ /* Match century number. */
+ match_century:
+ get_number (0, 99, 2);
+ s.century = val;
+ s.want_xday = 1;
+ break;
+ case 'd':
+ case 'e':
+ /* Match day of month. */
+ get_number (1, 31, 2);
+ tm->tm_mday = val;
+ s.have_mday = 1;
+ s.want_xday = 1;
+ break;
+ case 'F':
+ if (!recursive ("%Y-%m-%d"))
+ return NULL;
+ s.want_xday = 1;
+ break;
+ case 'x':
+#ifdef _NL_CURRENT
+ if (s.decided != raw)
+ {
+ if (!recursive (_NL_CURRENT (LC_TIME, D_FMT)))
+ {
+ if (s.decided == loc)
+ return NULL;
+ else
+ rp = rp_backup;
+ }
+ else
+ {
+ if (s.decided == nott
+ && strcmp (_NL_CURRENT (LC_TIME, D_FMT), HERE_D_FMT))
+ s.decided = loc;
+ s.want_xday = 1;
+ break;
+ }
+ s.decided = raw;
+ }
+#endif
+ /* Fall through. */
+ case 'D':
+ /* Match standard day format. */
+ if (!recursive (HERE_D_FMT))
+ return NULL;
+ s.want_xday = 1;
+ break;
+ case 'k':
+ case 'H':
+ /* Match hour in 24-hour clock. */
+ get_number (0, 23, 2);
+ tm->tm_hour = val;
+ s.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;
+ s.have_I = 1;
+ break;
+ case 'j':
+ /* Match day number of year. */
+ get_number (1, 366, 3);
+ tm->tm_yday = val - 1;
+ s.have_yday = 1;
+ break;
+ case 'm':
+ /* Match number of month. */
+ get_number (1, 12, 2);
+ tm->tm_mon = val - 1;
+ s.have_mon = 1;
+ s.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 (s.decided != raw)
+ {
+ if (match_string (_NL_CURRENT (LC_TIME, AM_STR), rp))
+ {
+ if (strcmp (_NL_CURRENT (LC_TIME, AM_STR), HERE_AM_STR))
+ s.decided = loc;
+ s.is_pm = 0;
+ break;
+ }
+ if (match_string (_NL_CURRENT (LC_TIME, PM_STR), rp))
+ {
+ if (strcmp (_NL_CURRENT (LC_TIME, PM_STR), HERE_PM_STR))
+ s.decided = loc;
+ s.is_pm = 1;
+ break;
+ }
+ s.decided = raw;
+ }
+#endif
+ if (!match_string (HERE_AM_STR, rp))
+ {
+ if (match_string (HERE_PM_STR, rp))
+ s.is_pm = 1;
+ else
+ return NULL;
+ }
+ else
+ s.is_pm = 0;
+ break;
+ case 'r':
+#ifdef _NL_CURRENT
+ if (s.decided != raw)
+ {
+ if (!recursive (_NL_CURRENT (LC_TIME, T_FMT_AMPM)))
+ {
+ if (s.decided == loc)
+ return NULL;
+ else
+ rp = rp_backup;
+ }
+ else
+ {
+ if (s.decided == nott &&
+ strcmp (_NL_CURRENT (LC_TIME, T_FMT_AMPM),
+ HERE_T_FMT_AMPM))
+ s.decided = loc;
+ break;
+ }
+ s.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 (s.decided != raw)
+ {
+ if (!recursive (_NL_CURRENT (LC_TIME, T_FMT)))
+ {
+ if (s.decided == loc)
+ return NULL;
+ else
+ rp = rp_backup;
+ }
+ else
+ {
+ if (strcmp (_NL_CURRENT (LC_TIME, T_FMT), HERE_T_FMT))
+ s.decided = loc;
+ break;
+ }
+ s.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;
+ s.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);
+ s.week_no = val;
+ s.have_uweek = 1;
+ break;
+ case 'W':
+ get_number (0, 53, 2);
+ s.week_no = val;
+ s.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;
+ s.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. */
+ s.want_century = 1;
+ s.want_xday = 1;
+ break;
+ case 'Y':
+ /* Match year including century number. */
+ get_number (0, 9999, 4);
+ tm->tm_year = val - 1900;
+ s.want_century = 0;
+ s.want_xday = 1;
+ break;
+ case 'Z':
+ /* XXX How to handle this? */
+ break;
+ case 'z':
+ /* We recognize two formats: if two digits are given, these
+ specify hours. If fours digits are used, minutes are
+ also specified. */
+ {
+ val = 0;
+ while (*rp == ' ')
+ ++rp;
+ if (*rp != '+' && *rp != '-')
+ return NULL;
+ bool neg = *rp++ == '-';
+ int n = 0;
+ while (n < 4 && *rp >= '0' && *rp <= '9')
+ {
+ val = val * 10 + *rp++ - '0';
+ ++n;
+ }
+ if (n == 2)
+ val *= 100;
+ else if (n != 4)
+ /* Only two or four digits recognized. */
+ return NULL;
+ else
+ {
+ /* We have to convert the minutes into decimal. */
+ if (val % 100 >= 60)
+ return NULL;
+ val = (val / 100) * 100 + ((val % 100) * 50) / 30;
+ }
+ if (val > 1200)
+ return NULL;
+ //tm->tm_gmtoff = (val * 3600) / 100;
+ //if (neg)
+ // tm->tm_gmtoff = -tm->tm_gmtoff;
+ }
+ break;
+ case 'E':
+#ifdef _NL_CURRENT
+ switch (*fmt++)
+ {
+ case 'c':
+ /* Match locale's alternate date and time format. */
+ if (s.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 (s.decided == loc)
+ return NULL;
+ else
+ rp = rp_backup;
+ }
+ else
+ {
+ if (strcmp (fmt, HERE_D_T_FMT))
+ s.decided = loc;
+ s.want_xday = 1;
+ break;
+ }
+ s.decided = raw;
+ }
+ /* The C locale has no era information, so use the
+ normal representation. */
+ if (!recursive (HERE_D_T_FMT))
+ return NULL;
+ s.want_xday = 1;
+ break;
+ case 'C':
+ if (s.decided != raw)
+ {
+ if (s.era_cnt >= 0)
+ {
+ era = _nl_select_era_entry (s.era_cnt);
+ if (era != NULL && match_string (era->era_name, rp))
+ {
+ s.decided = loc;
+ break;
+ }
+ else
+ return NULL;
+ }
+
+ num_eras = _NL_CURRENT_WORD (LC_TIME,
+ _NL_TIME_ERA_NUM_ENTRIES);
+ for (s.era_cnt = 0; s.era_cnt < (int) num_eras;
+ ++s.era_cnt, rp = rp_backup)
+ {
+ era = _nl_select_era_entry (s.era_cnt);
+ if (era != NULL && match_string (era->era_name, rp))
+ {
+ s.decided = loc;
+ break;
+ }
+ }
+ if (s.era_cnt != (int) num_eras)
+ break;
+
+ s.era_cnt = -1;
+ if (s.decided == loc)
+ return NULL;
+
+ s.decided = raw;
+ }
+ /* The C locale has no era information, so use the
+ normal representation. */
+ goto match_century;
+ case 'y':
+ if (s.decided != raw)
+ {
+ get_number(0, 9999, 4);
+ tm->tm_year = val;
+ s.want_era = 1;
+ s.want_xday = 1;
+ s.want_century = 1;
+
+ if (s.era_cnt >= 0)
+ {
+ assert (s.decided == loc);
+
+ era = _nl_select_era_entry (s.era_cnt);
+ bool match = false;
+ if (era != NULL)
+ {
+ int delta = ((tm->tm_year - era->offset)
+ * era->absolute_direction);
+ match = (delta >= 0
+ && delta < (((int64_t) era->stop_date[0]
+ - (int64_t) era->start_date[0])
+ * era->absolute_direction));
+ }
+ if (! match)
+ return NULL;
+
+ break;
+ }
+
+ num_eras = _NL_CURRENT_WORD (LC_TIME,
+ _NL_TIME_ERA_NUM_ENTRIES);
+ for (s.era_cnt = 0; s.era_cnt < (int) num_eras; ++s.era_cnt)
+ {
+ era = _nl_select_era_entry (s.era_cnt);
+ if (era != NULL)
+ {
+ int delta = ((tm->tm_year - era->offset)
+ * era->absolute_direction);
+ if (delta >= 0
+ && delta < (((int64_t) era->stop_date[0]
+ - (int64_t) era->start_date[0])
+ * era->absolute_direction))
+ {
+ s.decided = loc;
+ break;
}
+ }
+ }
+ if (s.era_cnt != (int) num_eras)
+ break;
+ s.era_cnt = -1;
+ if (s.decided == loc)
+ return NULL;
+ s.decided = raw;
}
- /*
- * We need to evaluate the two digit year spec (%y)
- * last as we can get a century spec (%C) at any time.
- */
- if (relyear != -1) {
- if (century == TM_YEAR_BASE) {
- if (relyear <= 68)
- tm->tm_year = relyear + 2000 - TM_YEAR_BASE;
- else
- tm->tm_year = relyear + 1900 - TM_YEAR_BASE;
- } else {
- tm->tm_year = relyear + century - TM_YEAR_BASE;
- }
+ goto match_year_in_century;
+ case 'Y':
+ if (s.decided != raw)
+ {
+ num_eras = _NL_CURRENT_WORD (LC_TIME,
+ _NL_TIME_ERA_NUM_ENTRIES);
+ for (s.era_cnt = 0; s.era_cnt < (int) num_eras;
+ ++s.era_cnt, rp = rp_backup)
+ {
+ era = _nl_select_era_entry (s.era_cnt);
+ if (era != NULL && recursive (era->era_format))
+ break;
+ }
+ if (s.era_cnt == (int) num_eras)
+ {
+ s.era_cnt = -1;
+ if (s.decided == loc)
+ return NULL;
+ else
+ rp = rp_backup;
+ }
+ else
+ {
+ s.decided = loc;
+ s.era_cnt = -1;
+ break;
+ }
+
+ s.decided = raw;
}
-
- return ((char *)bp);
+ get_number (0, 9999, 4);
+ tm->tm_year = val - 1900;
+ s.want_century = 0;
+ s.want_xday = 1;
+ break;
+ case 'x':
+ if (s.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 (s.decided == loc)
+ return NULL;
+ else
+ rp = rp_backup;
+ }
+ else
+ {
+ if (strcmp (fmt, HERE_D_FMT))
+ s.decided = loc;
+ break;
+ }
+ s.decided = raw;
+ }
+ if (!recursive (HERE_D_FMT))
+ return NULL;
+ break;
+ case 'X':
+ if (s.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 (s.decided == loc)
+ return NULL;
+ else
+ rp = rp_backup;
+ }
+ else
+ {
+ if (strcmp (fmt, HERE_T_FMT))
+ s.decided = loc;
+ break;
+ }
+ s.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;
+ s.have_mday = 1;
+ s.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;
+ s.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;
+ s.have_I = 1;
+ break;
+ case 'm':
+ /* Match month using alternate numeric symbols. */
+ get_alt_number (1, 12, 2);
+ tm->tm_mon = val - 1;
+ s.have_mon = 1;
+ s.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);
+ s.week_no = val;
+ s.have_uweek = 1;
+ break;
+ case 'W':
+ get_alt_number (0, 53, 2);
+ s.week_no = val;
+ s.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;
+ s.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;
+ s.want_xday = 1;
+ break;
+ default:
+ return NULL;
+ }
+ break;
+ default:
+ return NULL;
+ }
+ }
+
+ if (statep != NULL)
+ {
+ /* Recursive invocation, returning success, so
+ update parent's struct tm and state. */
+ *(struct __strptime_state *) statep = s;
+ *tmp = tmb;
+ return (char *) rp;
+ }
+
+ if (s.have_I && s.is_pm)
+ tm->tm_hour += 12;
+
+ if (s.century != -1)
+ {
+ if (s.want_century)
+ tm->tm_year = tm->tm_year % 100 + (s.century - 19) * 100;
+ else
+ /* Only the century, but not the year. Strange, but so be it. */
+ tm->tm_year = (s.century - 19) * 100;
+ }
+
+ if (s.want_xday && !s.have_wday)
+ {
+ if ( !(s.have_mon && s.have_mday) && s.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 (!s.have_mon)
+ tm->tm_mon = t_mon - 1;
+ if (!s.have_mday)
+ tm->tm_mday =
+ (tm->tm_yday
+ - __mon_yday[__isleap(1900 + tm->tm_year)][t_mon - 1] + 1);
+ s.have_mon = 1;
+ s.have_mday = 1;
+ }
+ /* Don't crash in day_of_the_week if tm_mon is uninitialized. */
+ if (s.have_mon || (unsigned) tm->tm_mon <= 11)
+ day_of_the_week (tm);
+ }
+
+ if (s.want_xday && !s.have_yday && (s.have_mon || (unsigned) tm->tm_mon <= 11))
+ day_of_the_year (tm);
+
+ if ((s.have_uweek || s.have_wweek) && s.have_wday)
+ {
+ int save_wday = tm->tm_wday;
+ int save_mday = tm->tm_mday;
+ int save_mon = tm->tm_mon;
+ int w_offset = s.have_uweek ? 0 : 1;
+
+ tm->tm_mday = 1;
+ tm->tm_mon = 0;
+ day_of_the_week (tm);
+ if (s.have_mday)
+ tm->tm_mday = save_mday;
+ if (s.have_mon)
+ tm->tm_mon = save_mon;
+
+ if (!s.have_yday)
+ tm->tm_yday = ((7 - (tm->tm_wday - w_offset)) % 7
+ + (s.week_no - 1) *7
+ + save_wday - w_offset);
+
+ if (!s.have_mday || !s.have_mon)
+ {
+ int t_mon = 0;
+ while (__mon_yday[__isleap(1900 + tm->tm_year)][t_mon]
+ <= tm->tm_yday)
+ t_mon++;
+ if (!s.have_mon)
+ tm->tm_mon = t_mon - 1;
+ if (!s.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;
}
-static int
-_conv_num(const unsigned char **buf, int *dest, int llim, int ulim)
+char *
+strptime (const char *buf, const char *format, struct tm *tm)
{
- int result = 0;
- int rulim = ulim;
-
- if (**buf < '0' || **buf > '9')
- return (0);
-
- /* we use rulim to break out of the loop when we run out of digits */
- do {
- result *= 10;
- result += *(*buf)++ - '0';
- rulim /= 10;
- } while ((result * 10 <= ulim) && rulim && **buf >= '0' && **buf <= '9');
-
- if (result < llim || result > ulim)
- return (0);
-
- *dest = result;
- return (1);
+ return __strptime_internal (buf, format, tm, NULL);
}
+
+#endif
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