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/* $Header: /cvsroot/esrg/sfesrg/esrgpcpj/shared/tcl_base/strftime.c,v 1.1.1.1 2001/06/13 04:32:38 dtashley Exp $ */ |
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/* |
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* strftime.c -- |
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* |
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* This file contains a modified version of the BSD 4.4 strftime |
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* function. |
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* |
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* This file is a modified version of the strftime.c file from the BSD 4.4 |
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* source. See the copyright notice below for details on redistribution |
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* restrictions. The "license.terms" file does not apply to this file. |
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* |
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* RCS: @(#) $Id: strftime.c,v 1.1.1.1 2001/06/13 04:32:38 dtashley Exp $ |
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*/ |
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/* |
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* Copyright (c) 1989 The Regents of the University of California. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. All advertising materials mentioning features or use of this software |
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* must display the following acknowledgement: |
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* This product includes software developed by the University of |
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* California, Berkeley and its contributors. |
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* 4. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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*/ |
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#if defined(LIBC_SCCS) |
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static char *rcsid = "$Id: strftime.c,v 1.1.1.1 2001/06/13 04:32:38 dtashley Exp $"; |
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#endif /* LIBC_SCCS */ |
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#include <time.h> |
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#include <string.h> |
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#include <locale.h> |
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#include "tclInt.h" |
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#include "tclPort.h" |
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#define TM_YEAR_BASE 1900 |
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#define IsLeapYear(x) ((x % 4 == 0) && (x % 100 != 0 || x % 400 == 0)) |
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typedef struct { |
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const char *abday[7]; |
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const char *day[7]; |
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const char *abmon[12]; |
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const char *mon[12]; |
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const char *am_pm[2]; |
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const char *d_t_fmt; |
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const char *d_fmt; |
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const char *t_fmt; |
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const char *t_fmt_ampm; |
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} _TimeLocale; |
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static const _TimeLocale _DefaultTimeLocale = |
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{ |
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{ |
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"Sun","Mon","Tue","Wed","Thu","Fri","Sat", |
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}, |
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{ |
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"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", |
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"Friday", "Saturday" |
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}, |
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{ |
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"Jan", "Feb", "Mar", "Apr", "May", "Jun", |
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"Jul", "Aug", "Sep", "Oct", "Nov", "Dec" |
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}, |
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{ |
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"January", "February", "March", "April", "May", "June", "July", |
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"August", "September", "October", "November", "December" |
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}, |
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{ |
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"AM", "PM" |
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}, |
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"%a %b %d %H:%M:%S %Y", |
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"%m/%d/%y", |
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"%H:%M:%S", |
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"%I:%M:%S %p" |
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}; |
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static const _TimeLocale *_CurrentTimeLocale = &_DefaultTimeLocale; |
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static size_t gsize; |
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static char *pt; |
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static int _add _ANSI_ARGS_((const char* str)); |
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static int _conv _ANSI_ARGS_((int n, int digits, int pad)); |
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static int _secs _ANSI_ARGS_((const struct tm *t)); |
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static size_t _fmt _ANSI_ARGS_((const char *format, |
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const struct tm *t)); |
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size_t |
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TclpStrftime(s, maxsize, format, t) |
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char *s; |
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size_t maxsize; |
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const char *format; |
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const struct tm *t; |
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{ |
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if (format[0] == '%' && format[1] == 'Q') { |
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/* Format as a stardate */ |
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sprintf(s, "Stardate %2d%03d.%01d", |
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(((t->tm_year + TM_YEAR_BASE) + 377) - 2323), |
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(((t->tm_yday + 1) * 1000) / |
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(365 + IsLeapYear((t->tm_year + TM_YEAR_BASE)))), |
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(((t->tm_hour * 60) + t->tm_min)/144)); |
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return(strlen(s)); |
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} |
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tzset(); |
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pt = s; |
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if ((gsize = maxsize) < 1) |
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return(0); |
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if (_fmt(format, t)) { |
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*pt = '\0'; |
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return(maxsize - gsize); |
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} |
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return(0); |
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} |
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#define SUN_WEEK(t) (((t)->tm_yday + 7 - \ |
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((t)->tm_wday)) / 7) |
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#define MON_WEEK(t) (((t)->tm_yday + 7 - \ |
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((t)->tm_wday ? (t)->tm_wday - 1 : 6)) / 7) |
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static size_t |
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_fmt(format, t) |
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const char *format; |
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const struct tm *t; |
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{ |
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for (; *format; ++format) { |
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if (*format == '%') { |
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++format; |
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if (*format == 'E') { |
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/* Alternate Era */ |
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++format; |
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} else if (*format == 'O') { |
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/* Alternate numeric symbols */ |
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++format; |
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} |
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switch(*format) { |
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case '\0': |
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--format; |
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break; |
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case 'A': |
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if (t->tm_wday < 0 || t->tm_wday > 6) |
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return(0); |
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if (!_add(_CurrentTimeLocale->day[t->tm_wday])) |
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return(0); |
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continue; |
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case 'a': |
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if (t->tm_wday < 0 || t->tm_wday > 6) |
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return(0); |
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if (!_add(_CurrentTimeLocale->abday[t->tm_wday])) |
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return(0); |
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continue; |
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case 'B': |
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if (t->tm_mon < 0 || t->tm_mon > 11) |
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return(0); |
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if (!_add(_CurrentTimeLocale->mon[t->tm_mon])) |
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return(0); |
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continue; |
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case 'b': |
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case 'h': |
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if (t->tm_mon < 0 || t->tm_mon > 11) |
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return(0); |
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if (!_add(_CurrentTimeLocale->abmon[t->tm_mon])) |
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return(0); |
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continue; |
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case 'C': |
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if (!_conv((t->tm_year + TM_YEAR_BASE) / 100, |
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2, '0')) |
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return(0); |
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continue; |
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case 'c': |
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if (!_fmt(_CurrentTimeLocale->d_t_fmt, t)) |
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return(0); |
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continue; |
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case 'D': |
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if (!_fmt("%m/%d/%y", t)) |
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return(0); |
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continue; |
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case 'd': |
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if (!_conv(t->tm_mday, 2, '0')) |
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return(0); |
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continue; |
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case 'e': |
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if (!_conv(t->tm_mday, 2, ' ')) |
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return(0); |
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continue; |
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case 'H': |
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if (!_conv(t->tm_hour, 2, '0')) |
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return(0); |
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continue; |
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case 'I': |
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if (!_conv(t->tm_hour % 12 ? |
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t->tm_hour % 12 : 12, 2, '0')) |
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return(0); |
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continue; |
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case 'j': |
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if (!_conv(t->tm_yday + 1, 3, '0')) |
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return(0); |
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continue; |
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case 'k': |
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if (!_conv(t->tm_hour, 2, ' ')) |
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return(0); |
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continue; |
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case 'l': |
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if (!_conv(t->tm_hour % 12 ? |
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t->tm_hour % 12: 12, 2, ' ')) |
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return(0); |
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continue; |
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case 'M': |
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if (!_conv(t->tm_min, 2, '0')) |
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return(0); |
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continue; |
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case 'm': |
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if (!_conv(t->tm_mon + 1, 2, '0')) |
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return(0); |
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continue; |
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case 'n': |
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if (!_add("\n")) |
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return(0); |
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continue; |
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case 'p': |
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if (!_add(_CurrentTimeLocale->am_pm[t->tm_hour >= 12])) |
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return(0); |
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continue; |
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case 'R': |
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if (!_fmt("%H:%M", t)) |
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return(0); |
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continue; |
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case 'r': |
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if (!_fmt(_CurrentTimeLocale->t_fmt_ampm, t)) |
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return(0); |
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continue; |
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case 'S': |
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if (!_conv(t->tm_sec, 2, '0')) |
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return(0); |
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continue; |
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case 's': |
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if (!_secs(t)) |
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return(0); |
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continue; |
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case 'T': |
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if (!_fmt("%H:%M:%S", t)) |
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return(0); |
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continue; |
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case 't': |
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if (!_add("\t")) |
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return(0); |
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continue; |
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case 'U': |
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if (!_conv(SUN_WEEK(t), 2, '0')) |
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return(0); |
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continue; |
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case 'u': |
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if (!_conv(t->tm_wday ? t->tm_wday : 7, 1, '0')) |
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return(0); |
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continue; |
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case 'V': |
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{ |
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/* ISO 8601 Week Of Year: |
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If the week (Monday - Sunday) containing |
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January 1 has four or more days in the new |
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year, then it is week 1; otherwise it is |
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week 53 of the previous year and the next |
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week is week one. */ |
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int week = MON_WEEK(t); |
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int days = (((t)->tm_yday + 7 - \ |
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((t)->tm_wday ? (t)->tm_wday - 1 : 6)) % 7); |
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if (days >= 4) { |
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week++; |
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} else if (week == 0) { |
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week = 53; |
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} |
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if (!_conv(week, 2, '0')) |
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return(0); |
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continue; |
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} |
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case 'W': |
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if (!_conv(MON_WEEK(t), 2, '0')) |
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return(0); |
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continue; |
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case 'w': |
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if (!_conv(t->tm_wday, 1, '0')) |
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return(0); |
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continue; |
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case 'x': |
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if (!_fmt(_CurrentTimeLocale->d_fmt, t)) |
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return(0); |
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continue; |
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case 'X': |
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if (!_fmt(_CurrentTimeLocale->t_fmt, t)) |
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return(0); |
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continue; |
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case 'y': |
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if (!_conv((t->tm_year + TM_YEAR_BASE) % 100, |
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2, '0')) |
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return(0); |
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continue; |
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case 'Y': |
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if (!_conv((t->tm_year + TM_YEAR_BASE), 4, '0')) |
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return(0); |
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continue; |
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#ifndef MAC_TCL |
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case 'Z': { |
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char *name = TclpGetTZName(t->tm_isdst); |
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if (name && !_add(name)) { |
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return 0; |
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} |
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continue; |
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} |
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#endif |
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case '%': |
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/* |
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* X311J/88-090 (4.12.3.5): if conversion char is |
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* undefined, behavior is undefined. Print out the |
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* character itself as printf(3) does. |
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*/ |
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default: |
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break; |
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} |
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} |
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if (!gsize--) |
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return(0); |
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*pt++ = *format; |
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} |
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return(gsize); |
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} |
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static int |
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_secs(t) |
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const struct tm *t; |
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{ |
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static char buf[15]; |
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register time_t s; |
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register char *p; |
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struct tm tmp; |
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/* Make a copy, mktime(3) modifies the tm struct. */ |
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tmp = *t; |
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s = mktime(&tmp); |
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for (p = buf + sizeof(buf) - 2; s > 0 && p > buf; s /= 10) |
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*p-- = (char)(s % 10 + '0'); |
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return(_add(++p)); |
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} |
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static int |
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_conv(n, digits, pad) |
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int n, digits; |
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int pad; |
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{ |
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static char buf[10]; |
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register char *p; |
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for (p = buf + sizeof(buf) - 2; n > 0 && p > buf; n /= 10, --digits) |
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*p-- = (char)(n % 10 + '0'); |
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while (p > buf && digits-- > 0) |
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*p-- = (char) pad; |
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return(_add(++p)); |
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} |
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static int |
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_add(str) |
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const char *str; |
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{ |
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for (;; ++pt, --gsize) { |
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if (!gsize) |
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return(0); |
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if (!(*pt = *str++)) |
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return(1); |
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} |
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} |
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/* $History: strftime.c $ |
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* |
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* ***************** Version 1 ***************** |
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* User: Dtashley Date: 1/02/01 Time: 12:17a |
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* Created in $/IjuScripter, IjuConsole/Source/Tcl Base |
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* Initial check-in. |
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*/ |
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/* End of STRFTIME.C */ |
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1 |
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/* $Header$ */ |
2 |
|
/* |
3 |
|
* strftime.c -- |
4 |
|
* |
5 |
|
* This file contains a modified version of the BSD 4.4 strftime |
6 |
|
* function. |
7 |
|
* |
8 |
|
* This file is a modified version of the strftime.c file from the BSD 4.4 |
9 |
|
* source. See the copyright notice below for details on redistribution |
10 |
|
* restrictions. The "license.terms" file does not apply to this file. |
11 |
|
* |
12 |
|
* RCS: @(#) $Id: strftime.c,v 1.1.1.1 2001/06/13 04:32:38 dtashley Exp $ |
13 |
|
*/ |
14 |
|
|
15 |
|
/* |
16 |
|
* Copyright (c) 1989 The Regents of the University of California. |
17 |
|
* All rights reserved. |
18 |
|
* |
19 |
|
* Redistribution and use in source and binary forms, with or without |
20 |
|
* modification, are permitted provided that the following conditions |
21 |
|
* are met: |
22 |
|
* 1. Redistributions of source code must retain the above copyright |
23 |
|
* notice, this list of conditions and the following disclaimer. |
24 |
|
* 2. Redistributions in binary form must reproduce the above copyright |
25 |
|
* notice, this list of conditions and the following disclaimer in the |
26 |
|
* documentation and/or other materials provided with the distribution. |
27 |
|
* 3. All advertising materials mentioning features or use of this software |
28 |
|
* must display the following acknowledgement: |
29 |
|
* This product includes software developed by the University of |
30 |
|
* California, Berkeley and its contributors. |
31 |
|
* 4. Neither the name of the University nor the names of its contributors |
32 |
|
* may be used to endorse or promote products derived from this software |
33 |
|
* without specific prior written permission. |
34 |
|
* |
35 |
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
36 |
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
37 |
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
38 |
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
39 |
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
40 |
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
41 |
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
42 |
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
43 |
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
44 |
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
45 |
|
* SUCH DAMAGE. |
46 |
|
*/ |
47 |
|
|
48 |
|
#if defined(LIBC_SCCS) |
49 |
|
static char *rcsid = "$Id: strftime.c,v 1.1.1.1 2001/06/13 04:32:38 dtashley Exp $"; |
50 |
|
#endif /* LIBC_SCCS */ |
51 |
|
|
52 |
|
#include <time.h> |
53 |
|
#include <string.h> |
54 |
|
#include <locale.h> |
55 |
|
#include "tclInt.h" |
56 |
|
#include "tclPort.h" |
57 |
|
|
58 |
|
#define TM_YEAR_BASE 1900 |
59 |
|
#define IsLeapYear(x) ((x % 4 == 0) && (x % 100 != 0 || x % 400 == 0)) |
60 |
|
|
61 |
|
typedef struct { |
62 |
|
const char *abday[7]; |
63 |
|
const char *day[7]; |
64 |
|
const char *abmon[12]; |
65 |
|
const char *mon[12]; |
66 |
|
const char *am_pm[2]; |
67 |
|
const char *d_t_fmt; |
68 |
|
const char *d_fmt; |
69 |
|
const char *t_fmt; |
70 |
|
const char *t_fmt_ampm; |
71 |
|
} _TimeLocale; |
72 |
|
|
73 |
|
static const _TimeLocale _DefaultTimeLocale = |
74 |
|
{ |
75 |
|
{ |
76 |
|
"Sun","Mon","Tue","Wed","Thu","Fri","Sat", |
77 |
|
}, |
78 |
|
{ |
79 |
|
"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", |
80 |
|
"Friday", "Saturday" |
81 |
|
}, |
82 |
|
{ |
83 |
|
"Jan", "Feb", "Mar", "Apr", "May", "Jun", |
84 |
|
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec" |
85 |
|
}, |
86 |
|
{ |
87 |
|
"January", "February", "March", "April", "May", "June", "July", |
88 |
|
"August", "September", "October", "November", "December" |
89 |
|
}, |
90 |
|
{ |
91 |
|
"AM", "PM" |
92 |
|
}, |
93 |
|
"%a %b %d %H:%M:%S %Y", |
94 |
|
"%m/%d/%y", |
95 |
|
"%H:%M:%S", |
96 |
|
"%I:%M:%S %p" |
97 |
|
}; |
98 |
|
|
99 |
|
static const _TimeLocale *_CurrentTimeLocale = &_DefaultTimeLocale; |
100 |
|
|
101 |
|
static size_t gsize; |
102 |
|
static char *pt; |
103 |
|
static int _add _ANSI_ARGS_((const char* str)); |
104 |
|
static int _conv _ANSI_ARGS_((int n, int digits, int pad)); |
105 |
|
static int _secs _ANSI_ARGS_((const struct tm *t)); |
106 |
|
static size_t _fmt _ANSI_ARGS_((const char *format, |
107 |
|
const struct tm *t)); |
108 |
|
|
109 |
|
size_t |
110 |
|
TclpStrftime(s, maxsize, format, t) |
111 |
|
char *s; |
112 |
|
size_t maxsize; |
113 |
|
const char *format; |
114 |
|
const struct tm *t; |
115 |
|
{ |
116 |
|
if (format[0] == '%' && format[1] == 'Q') { |
117 |
|
/* Format as a stardate */ |
118 |
|
sprintf(s, "Stardate %2d%03d.%01d", |
119 |
|
(((t->tm_year + TM_YEAR_BASE) + 377) - 2323), |
120 |
|
(((t->tm_yday + 1) * 1000) / |
121 |
|
(365 + IsLeapYear((t->tm_year + TM_YEAR_BASE)))), |
122 |
|
(((t->tm_hour * 60) + t->tm_min)/144)); |
123 |
|
return(strlen(s)); |
124 |
|
} |
125 |
|
|
126 |
|
tzset(); |
127 |
|
|
128 |
|
pt = s; |
129 |
|
if ((gsize = maxsize) < 1) |
130 |
|
return(0); |
131 |
|
if (_fmt(format, t)) { |
132 |
|
*pt = '\0'; |
133 |
|
return(maxsize - gsize); |
134 |
|
} |
135 |
|
return(0); |
136 |
|
} |
137 |
|
|
138 |
|
#define SUN_WEEK(t) (((t)->tm_yday + 7 - \ |
139 |
|
((t)->tm_wday)) / 7) |
140 |
|
#define MON_WEEK(t) (((t)->tm_yday + 7 - \ |
141 |
|
((t)->tm_wday ? (t)->tm_wday - 1 : 6)) / 7) |
142 |
|
|
143 |
|
static size_t |
144 |
|
_fmt(format, t) |
145 |
|
const char *format; |
146 |
|
const struct tm *t; |
147 |
|
{ |
148 |
|
for (; *format; ++format) { |
149 |
|
if (*format == '%') { |
150 |
|
++format; |
151 |
|
if (*format == 'E') { |
152 |
|
/* Alternate Era */ |
153 |
|
++format; |
154 |
|
} else if (*format == 'O') { |
155 |
|
/* Alternate numeric symbols */ |
156 |
|
++format; |
157 |
|
} |
158 |
|
switch(*format) { |
159 |
|
case '\0': |
160 |
|
--format; |
161 |
|
break; |
162 |
|
case 'A': |
163 |
|
if (t->tm_wday < 0 || t->tm_wday > 6) |
164 |
|
return(0); |
165 |
|
if (!_add(_CurrentTimeLocale->day[t->tm_wday])) |
166 |
|
return(0); |
167 |
|
continue; |
168 |
|
case 'a': |
169 |
|
if (t->tm_wday < 0 || t->tm_wday > 6) |
170 |
|
return(0); |
171 |
|
if (!_add(_CurrentTimeLocale->abday[t->tm_wday])) |
172 |
|
return(0); |
173 |
|
continue; |
174 |
|
case 'B': |
175 |
|
if (t->tm_mon < 0 || t->tm_mon > 11) |
176 |
|
return(0); |
177 |
|
if (!_add(_CurrentTimeLocale->mon[t->tm_mon])) |
178 |
|
return(0); |
179 |
|
continue; |
180 |
|
case 'b': |
181 |
|
case 'h': |
182 |
|
if (t->tm_mon < 0 || t->tm_mon > 11) |
183 |
|
return(0); |
184 |
|
if (!_add(_CurrentTimeLocale->abmon[t->tm_mon])) |
185 |
|
return(0); |
186 |
|
continue; |
187 |
|
case 'C': |
188 |
|
if (!_conv((t->tm_year + TM_YEAR_BASE) / 100, |
189 |
|
2, '0')) |
190 |
|
return(0); |
191 |
|
continue; |
192 |
|
case 'c': |
193 |
|
if (!_fmt(_CurrentTimeLocale->d_t_fmt, t)) |
194 |
|
return(0); |
195 |
|
continue; |
196 |
|
case 'D': |
197 |
|
if (!_fmt("%m/%d/%y", t)) |
198 |
|
return(0); |
199 |
|
continue; |
200 |
|
case 'd': |
201 |
|
if (!_conv(t->tm_mday, 2, '0')) |
202 |
|
return(0); |
203 |
|
continue; |
204 |
|
case 'e': |
205 |
|
if (!_conv(t->tm_mday, 2, ' ')) |
206 |
|
return(0); |
207 |
|
continue; |
208 |
|
case 'H': |
209 |
|
if (!_conv(t->tm_hour, 2, '0')) |
210 |
|
return(0); |
211 |
|
continue; |
212 |
|
case 'I': |
213 |
|
if (!_conv(t->tm_hour % 12 ? |
214 |
|
t->tm_hour % 12 : 12, 2, '0')) |
215 |
|
return(0); |
216 |
|
continue; |
217 |
|
case 'j': |
218 |
|
if (!_conv(t->tm_yday + 1, 3, '0')) |
219 |
|
return(0); |
220 |
|
continue; |
221 |
|
case 'k': |
222 |
|
if (!_conv(t->tm_hour, 2, ' ')) |
223 |
|
return(0); |
224 |
|
continue; |
225 |
|
case 'l': |
226 |
|
if (!_conv(t->tm_hour % 12 ? |
227 |
|
t->tm_hour % 12: 12, 2, ' ')) |
228 |
|
return(0); |
229 |
|
continue; |
230 |
|
case 'M': |
231 |
|
if (!_conv(t->tm_min, 2, '0')) |
232 |
|
return(0); |
233 |
|
continue; |
234 |
|
case 'm': |
235 |
|
if (!_conv(t->tm_mon + 1, 2, '0')) |
236 |
|
return(0); |
237 |
|
continue; |
238 |
|
case 'n': |
239 |
|
if (!_add("\n")) |
240 |
|
return(0); |
241 |
|
continue; |
242 |
|
case 'p': |
243 |
|
if (!_add(_CurrentTimeLocale->am_pm[t->tm_hour >= 12])) |
244 |
|
return(0); |
245 |
|
continue; |
246 |
|
case 'R': |
247 |
|
if (!_fmt("%H:%M", t)) |
248 |
|
return(0); |
249 |
|
continue; |
250 |
|
case 'r': |
251 |
|
if (!_fmt(_CurrentTimeLocale->t_fmt_ampm, t)) |
252 |
|
return(0); |
253 |
|
continue; |
254 |
|
case 'S': |
255 |
|
if (!_conv(t->tm_sec, 2, '0')) |
256 |
|
return(0); |
257 |
|
continue; |
258 |
|
case 's': |
259 |
|
if (!_secs(t)) |
260 |
|
return(0); |
261 |
|
continue; |
262 |
|
case 'T': |
263 |
|
if (!_fmt("%H:%M:%S", t)) |
264 |
|
return(0); |
265 |
|
continue; |
266 |
|
case 't': |
267 |
|
if (!_add("\t")) |
268 |
|
return(0); |
269 |
|
continue; |
270 |
|
case 'U': |
271 |
|
if (!_conv(SUN_WEEK(t), 2, '0')) |
272 |
|
return(0); |
273 |
|
continue; |
274 |
|
case 'u': |
275 |
|
if (!_conv(t->tm_wday ? t->tm_wday : 7, 1, '0')) |
276 |
|
return(0); |
277 |
|
continue; |
278 |
|
case 'V': |
279 |
|
{ |
280 |
|
/* ISO 8601 Week Of Year: |
281 |
|
If the week (Monday - Sunday) containing |
282 |
|
January 1 has four or more days in the new |
283 |
|
year, then it is week 1; otherwise it is |
284 |
|
week 53 of the previous year and the next |
285 |
|
week is week one. */ |
286 |
|
|
287 |
|
int week = MON_WEEK(t); |
288 |
|
|
289 |
|
int days = (((t)->tm_yday + 7 - \ |
290 |
|
((t)->tm_wday ? (t)->tm_wday - 1 : 6)) % 7); |
291 |
|
|
292 |
|
|
293 |
|
if (days >= 4) { |
294 |
|
week++; |
295 |
|
} else if (week == 0) { |
296 |
|
week = 53; |
297 |
|
} |
298 |
|
|
299 |
|
if (!_conv(week, 2, '0')) |
300 |
|
return(0); |
301 |
|
continue; |
302 |
|
} |
303 |
|
case 'W': |
304 |
|
if (!_conv(MON_WEEK(t), 2, '0')) |
305 |
|
return(0); |
306 |
|
continue; |
307 |
|
case 'w': |
308 |
|
if (!_conv(t->tm_wday, 1, '0')) |
309 |
|
return(0); |
310 |
|
continue; |
311 |
|
case 'x': |
312 |
|
if (!_fmt(_CurrentTimeLocale->d_fmt, t)) |
313 |
|
return(0); |
314 |
|
continue; |
315 |
|
case 'X': |
316 |
|
if (!_fmt(_CurrentTimeLocale->t_fmt, t)) |
317 |
|
return(0); |
318 |
|
continue; |
319 |
|
case 'y': |
320 |
|
if (!_conv((t->tm_year + TM_YEAR_BASE) % 100, |
321 |
|
2, '0')) |
322 |
|
return(0); |
323 |
|
continue; |
324 |
|
case 'Y': |
325 |
|
if (!_conv((t->tm_year + TM_YEAR_BASE), 4, '0')) |
326 |
|
return(0); |
327 |
|
continue; |
328 |
|
#ifndef MAC_TCL |
329 |
|
case 'Z': { |
330 |
|
char *name = TclpGetTZName(t->tm_isdst); |
331 |
|
if (name && !_add(name)) { |
332 |
|
return 0; |
333 |
|
} |
334 |
|
continue; |
335 |
|
} |
336 |
|
#endif |
337 |
|
case '%': |
338 |
|
/* |
339 |
|
* X311J/88-090 (4.12.3.5): if conversion char is |
340 |
|
* undefined, behavior is undefined. Print out the |
341 |
|
* character itself as printf(3) does. |
342 |
|
*/ |
343 |
|
default: |
344 |
|
break; |
345 |
|
} |
346 |
|
} |
347 |
|
if (!gsize--) |
348 |
|
return(0); |
349 |
|
*pt++ = *format; |
350 |
|
} |
351 |
|
return(gsize); |
352 |
|
} |
353 |
|
|
354 |
|
static int |
355 |
|
_secs(t) |
356 |
|
const struct tm *t; |
357 |
|
{ |
358 |
|
static char buf[15]; |
359 |
|
register time_t s; |
360 |
|
register char *p; |
361 |
|
struct tm tmp; |
362 |
|
|
363 |
|
/* Make a copy, mktime(3) modifies the tm struct. */ |
364 |
|
tmp = *t; |
365 |
|
s = mktime(&tmp); |
366 |
|
for (p = buf + sizeof(buf) - 2; s > 0 && p > buf; s /= 10) |
367 |
|
*p-- = (char)(s % 10 + '0'); |
368 |
|
return(_add(++p)); |
369 |
|
} |
370 |
|
|
371 |
|
static int |
372 |
|
_conv(n, digits, pad) |
373 |
|
int n, digits; |
374 |
|
int pad; |
375 |
|
{ |
376 |
|
static char buf[10]; |
377 |
|
register char *p; |
378 |
|
|
379 |
|
for (p = buf + sizeof(buf) - 2; n > 0 && p > buf; n /= 10, --digits) |
380 |
|
*p-- = (char)(n % 10 + '0'); |
381 |
|
while (p > buf && digits-- > 0) |
382 |
|
*p-- = (char) pad; |
383 |
|
return(_add(++p)); |
384 |
|
} |
385 |
|
|
386 |
|
static int |
387 |
|
_add(str) |
388 |
|
const char *str; |
389 |
|
{ |
390 |
|
for (;; ++pt, --gsize) { |
391 |
|
if (!gsize) |
392 |
|
return(0); |
393 |
|
if (!(*pt = *str++)) |
394 |
|
return(1); |
395 |
|
} |
396 |
|
} |
397 |
|
|
398 |
|
/* End of strftime.c */ |