diff options
Diffstat (limited to 'compat/strftime.c')
| -rw-r--r-- | compat/strftime.c | 521 |
1 files changed, 0 insertions, 521 deletions
diff --git a/compat/strftime.c b/compat/strftime.c deleted file mode 100644 index 7d2c416..0000000 --- a/compat/strftime.c +++ /dev/null @@ -1,521 +0,0 @@ -/* - * strftime.c -- - * - * This file contains a modified version of the BSD 4.4 strftime - * function. - * - * This file is a modified version of the strftime.c file from the BSD 4.4 - * source. See the copyright notice below for details on redistribution - * restrictions. The "license.terms" file does not apply to this file. - * - * Changes 2002 Copyright (c) 2002 ActiveState Corporation. - * - * RCS: @(#) $Id: strftime.c,v 1.10.2.3 2005/11/04 18:18:04 kennykb Exp $ - */ - -/* - * Copyright (c) 1989 The Regents of the University of California. - * All rights reserved. - * - * 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 University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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. - */ - -#if defined(LIBC_SCCS) -static char *rcsid = "$Id: strftime.c,v 1.10.2.3 2005/11/04 18:18:04 kennykb Exp $"; -#endif /* LIBC_SCCS */ - -#include <time.h> -#include <string.h> -#include <locale.h> -#include "tclInt.h" -#include "tclPort.h" - -#define TM_YEAR_BASE 1900 -#define IsLeapYear(x) ((x % 4 == 0) && (x % 100 != 0 || x % 400 == 0)) - -typedef 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; -} _TimeLocale; - -/* - * This is the C locale default. On Windows, if we wanted to make this - * localized, we would use GetLocaleInfo to get the correct values. - * It may be acceptable to do localization of month/day names, as the - * numerical values would be considered the locale-independent versions. - */ -static const _TimeLocale _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" -}; - -static const _TimeLocale *_CurrentTimeLocale = &_DefaultTimeLocale; - -static int isGMT; -static size_t gsize; -static char *pt; -static int _add _ANSI_ARGS_((const char* str)); -static int _conv _ANSI_ARGS_((int n, int digits, int pad)); -static int _secs _ANSI_ARGS_((const struct tm *t)); -static size_t _fmt _ANSI_ARGS_((const char *format, - const struct tm *t)); -static int ISO8601Week _ANSI_ARGS_((CONST struct tm* t, int *year )); - -size_t -TclpStrftime(s, maxsize, format, t, useGMT) - char *s; - size_t maxsize; - const char *format; - const struct tm *t; - int useGMT; -{ - if (format[0] == '%' && format[1] == 'Q') { - /* Format as a stardate */ - sprintf(s, "Stardate %2d%03d.%01d", - (((t->tm_year + TM_YEAR_BASE) + 377) - 2323), - (((t->tm_yday + 1) * 1000) / - (365 + IsLeapYear((t->tm_year + TM_YEAR_BASE)))), - (((t->tm_hour * 60) + t->tm_min)/144)); - return(strlen(s)); - } - - isGMT = useGMT; - /* - * We may be able to skip this for useGMT, but it should be harmless. - * -- hobbs - */ - tzset(); - - pt = s; - if ((gsize = maxsize) < 1) - return(0); - if (_fmt(format, t)) { - *pt = '\0'; - return(maxsize - gsize); - } - return(0); -} - -#define SUN_WEEK(t) (((t)->tm_yday + 7 - \ - ((t)->tm_wday)) / 7) -#define MON_WEEK(t) (((t)->tm_yday + 7 - \ - ((t)->tm_wday ? (t)->tm_wday - 1 : 6)) / 7) - -static size_t -_fmt(format, t) - const char *format; - const struct tm *t; -{ -#ifdef WIN32 -#define BUF_SIZ 256 - TCHAR buf[BUF_SIZ]; - SYSTEMTIME syst = { - t->tm_year + 1900, - t->tm_mon + 1, - t->tm_wday, - t->tm_mday, - t->tm_hour, - t->tm_min, - t->tm_sec, - 0, - }; -#endif - for (; *format; ++format) { - if (*format == '%') { - ++format; - if (*format == 'E') { - /* Alternate Era */ - ++format; - } else if (*format == 'O') { - /* Alternate numeric symbols */ - ++format; - } - switch(*format) { - case '\0': - --format; - break; - case 'A': - if (t->tm_wday < 0 || t->tm_wday > 6) - return(0); - if (!_add(_CurrentTimeLocale->day[t->tm_wday])) - return(0); - continue; - case 'a': - if (t->tm_wday < 0 || t->tm_wday > 6) - return(0); - if (!_add(_CurrentTimeLocale->abday[t->tm_wday])) - return(0); - continue; - case 'B': - if (t->tm_mon < 0 || t->tm_mon > 11) - return(0); - if (!_add(_CurrentTimeLocale->mon[t->tm_mon])) - return(0); - continue; - case 'b': - case 'h': - if (t->tm_mon < 0 || t->tm_mon > 11) - return(0); - if (!_add(_CurrentTimeLocale->abmon[t->tm_mon])) - return(0); - continue; - case 'C': - if (!_conv((t->tm_year + TM_YEAR_BASE) / 100, - 2, '0')) - return(0); - continue; - case 'D': - if (!_fmt("%m/%d/%y", t)) - return(0); - continue; - case 'd': - if (!_conv(t->tm_mday, 2, '0')) - return(0); - continue; - case 'e': - if (!_conv(t->tm_mday, 2, ' ')) - return(0); - continue; - case 'g': - { - int year; - ISO8601Week( t, &year ); - if ( !_conv( year%100, 2, '0' ) ) { - return( 0 ); - } - continue; - } - case 'G': - { - int year; - ISO8601Week( t, &year ); - if ( !_conv( year, 4, '0' ) ) { - return( 0 ); - } - continue; - } - case 'H': - if (!_conv(t->tm_hour, 2, '0')) - return(0); - continue; - case 'I': - if (!_conv(t->tm_hour % 12 ? - t->tm_hour % 12 : 12, 2, '0')) - return(0); - continue; - case 'j': - if (!_conv(t->tm_yday + 1, 3, '0')) - return(0); - continue; - case 'k': - if (!_conv(t->tm_hour, 2, ' ')) - return(0); - continue; - case 'l': - if (!_conv(t->tm_hour % 12 ? - t->tm_hour % 12: 12, 2, ' ')) - return(0); - continue; - case 'M': - if (!_conv(t->tm_min, 2, '0')) - return(0); - continue; - case 'm': - if (!_conv(t->tm_mon + 1, 2, '0')) - return(0); - continue; - case 'n': - if (!_add("\n")) - return(0); - continue; - case 'p': - if (!_add(_CurrentTimeLocale->am_pm[t->tm_hour >= 12])) - return(0); - continue; - case 'R': - if (!_fmt("%H:%M", t)) - return(0); - continue; - case 'r': - if (!_fmt(_CurrentTimeLocale->t_fmt_ampm, t)) - return(0); - continue; - case 'S': - if (!_conv(t->tm_sec, 2, '0')) - return(0); - continue; - case 's': - if (!_secs(t)) - return(0); - continue; - case 'T': - if (!_fmt("%H:%M:%S", t)) - return(0); - continue; - case 't': - if (!_add("\t")) - return(0); - continue; - case 'U': - if (!_conv(SUN_WEEK(t), 2, '0')) - return(0); - continue; - case 'u': - if (!_conv(t->tm_wday ? t->tm_wday : 7, 1, '0')) - return(0); - continue; - case 'V': - { - int week = ISO8601Week( t, NULL ); - if (!_conv(week, 2, '0')) - return(0); - continue; - } - case 'W': - if (!_conv(MON_WEEK(t), 2, '0')) - return(0); - continue; - case 'w': - if (!_conv(t->tm_wday, 1, '0')) - return(0); - continue; -#ifdef WIN32 - /* - * To properly handle the localized time routines on Windows, - * we must make use of the special localized calls. - */ - case 'c': - if (!GetDateFormat(LOCALE_USER_DEFAULT, - DATE_LONGDATE | LOCALE_USE_CP_ACP, - &syst, NULL, buf, BUF_SIZ) - || !_add(buf) - || !_add(" ")) { - return(0); - } - /* - * %c is created with LONGDATE + " " + TIME on Windows, - * so continue to %X case here. - */ - case 'X': - if (!GetTimeFormat(LOCALE_USER_DEFAULT, - LOCALE_USE_CP_ACP, - &syst, NULL, buf, BUF_SIZ) - || !_add(buf)) { - return(0); - } - continue; - case 'x': - if (!GetDateFormat(LOCALE_USER_DEFAULT, - DATE_SHORTDATE | LOCALE_USE_CP_ACP, - &syst, NULL, buf, BUF_SIZ) - || !_add(buf)) { - return(0); - } - continue; -#else - case 'c': - if (!_fmt(_CurrentTimeLocale->d_t_fmt, t)) - return(0); - continue; - case 'x': - if (!_fmt(_CurrentTimeLocale->d_fmt, t)) - return(0); - continue; - case 'X': - if (!_fmt(_CurrentTimeLocale->t_fmt, t)) - return(0); - continue; -#endif - case 'y': - if (!_conv((t->tm_year + TM_YEAR_BASE) % 100, - 2, '0')) - return(0); - continue; - case 'Y': - if (!_conv((t->tm_year + TM_YEAR_BASE), 4, '0')) - return(0); - continue; - case 'Z': { - char *name = (isGMT ? "GMT" : TclpGetTZName(t->tm_isdst)); - int wrote; - Tcl_UtfToExternal(NULL, NULL, name, -1, 0, NULL, - pt, gsize, NULL, &wrote, NULL); - pt += wrote; - gsize -= wrote; - continue; - } - case '%': - /* - * X311J/88-090 (4.12.3.5): if conversion char is - * undefined, behavior is undefined. Print out the - * character itself as printf(3) does. - */ - default: - break; - } - } - if (!gsize--) - return(0); - *pt++ = *format; - } - return(gsize); -} - -static int -_secs(t) - const struct tm *t; -{ - static char buf[15]; - register time_t s; - register char *p; - struct tm tmp; - - /* Make a copy, mktime(3) modifies the tm struct. */ - tmp = *t; - s = mktime(&tmp); - for (p = buf + sizeof(buf) - 2; s > 0 && p > buf; s /= 10) - *p-- = (char)(s % 10 + '0'); - return(_add(++p)); -} - -static int -_conv(n, digits, pad) - int n, digits; - int pad; -{ - static char buf[10]; - register char *p; - - p = buf + sizeof( buf ) - 1; - *p-- = '\0'; - if ( n == 0 ) { - *p-- = '0'; --digits; - } else { - for (; n > 0 && p > buf; n /= 10, --digits) - *p-- = (char)(n % 10 + '0'); - } - while (p > buf && digits-- > 0) - *p-- = (char) pad; - return(_add(++p)); -} - -static int -_add(str) - const char *str; -{ - for (;; ++pt, --gsize) { - if (!gsize) - return(0); - if (!(*pt = *str++)) - return(1); - } -} - -static int -ISO8601Week( t, year ) - CONST struct tm* t; - int* year; -{ - /* Find the day-of-year of the Thursday in - * the week in question. */ - - int ydayThursday; - int week; - if ( t->tm_wday == 0 ) { - ydayThursday = t->tm_yday - 3; - } else { - ydayThursday = t->tm_yday - t->tm_wday + 4; - } - - if ( ydayThursday < 0 ) { - - /* This is the last week of the previous year. */ - if ( IsLeapYear(( t->tm_year + TM_YEAR_BASE - 1 )) ) { - ydayThursday += 366; - } else { - ydayThursday += 365; - } - week = ydayThursday / 7 + 1; - if ( year != NULL ) { - *year = t->tm_year + 1899; - } - - } else if ( ( IsLeapYear(( t -> tm_year + TM_YEAR_BASE )) - && ydayThursday >= 366 ) - || ( !IsLeapYear(( t -> tm_year - + TM_YEAR_BASE )) - && ydayThursday >= 365 ) ) { - - /* This is week 1 of the following year */ - - week = 1; - if ( year != NULL ) { - *year = t->tm_year + 1901; - } - - } else { - - week = ydayThursday / 7 + 1; - if ( year != NULL ) { - *year = t->tm_year + 1900; - } - - } - - return week; - -} |