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--- Libc/Libc-1725.40.4/stdtime/FreeBSD/strftime.c
+++ /dev/null
@@ -1,644 +0,0 @@
-/*
- * Copyright (c) 1989 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley. The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wunreachable-code"
-
-#if 0
-static const char elsieid[] = "@(#)strftime.3 8.3";
-/*
-** Based on the UCB version with the ID appearing below.
-** This is ANSIish only when "multibyte character == plain character".
-*/
-#endif
-
-#include "xlocale_private.h"
-
-#include "namespace.h"
-#include "private.h"
-
-#if defined(LIBC_SCCS) && !defined(lint)
-static const char sccsid[] = "@(#)strftime.c 5.4 (Berkeley) 3/14/89";
-#endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/lib/libc/stdtime/strftime.c,v 1.44 2009/06/09 09:02:58 delphij Exp $");
-
-#include "tzfile.h"
-#include <time.h>
-#include <fcntl.h>
-#include <sys/stat.h>
-#include "un-namespace.h"
-#include "timelocal.h"
-
-#if !BUILDING_VARIANT
-static char * _add(const char *, char *, const char *);
-static char * _conv(int, const char *, char *, const char *, locale_t);
-static char * _yconv(int, int, int, int, char *, const char *, locale_t);
-#endif
-#define _fmt _st_fmt
-__private_extern__ char * _fmt(const char *, const struct tm *, char *, const char *,
- int *, struct lc_time_T *, locale_t);
-
-extern char * tzname[];
-extern long __darwin_altzone; /* DST timezone offset */
-#define altzone __darwin_altzone
-__private_extern__ long _st_get_timezone(void);
-
-#ifndef YEAR_2000_NAME
-#define YEAR_2000_NAME "CHECK_STRFTIME_FORMATS_FOR_TWO_DIGIT_YEARS"
-#endif /* !defined YEAR_2000_NAME */
-
-#define IN_NONE 0
-#define IN_SOME 1
-#define IN_THIS 2
-#define IN_ALL 3
-
-#define PAD_DEFAULT 0
-#define PAD_LESS 1
-#define PAD_SPACE 2
-#define PAD_ZERO 3
-
-#ifndef BUILDING_VARIANT
-static const char * const fmt_padding[][4] = {
- /* DEFAULT, LESS, SPACE, ZERO */
-#define PAD_FMT_MONTHDAY 0
-#define PAD_FMT_HMS 0
-#define PAD_FMT_CENTURY 0
-#define PAD_FMT_SHORTYEAR 0
-#define PAD_FMT_MONTH 0
-#define PAD_FMT_WEEKOFYEAR 0
-#define PAD_FMT_DAYOFMONTH 0
- { "%02d", "%d", "%2d", "%02d" },
-#define PAD_FMT_SDAYOFMONTH 1
-#define PAD_FMT_SHMS 1
- { "%2d", "%d", "%2d", "%02d" },
-#define PAD_FMT_DAYOFYEAR 2
- { "%03d", "%d", "%3d", "%03d" },
-#define PAD_FMT_YEAR 3
- { "%04d", "%d", "%4d", "%04d" }
-};
-#endif
-
-#define USG_COMPAT
-#define ALTZONE
-
-size_t
-strftime_l(char * __restrict s, size_t maxsize, const char * __restrict format,
- const struct tm * __restrict t, locale_t loc)
-{
- char * p;
- int warn;
-
- NORMALIZE_LOCALE(loc);
- tzset();
- warn = IN_NONE;
- p = _fmt(((format == NULL) ? "%c" : format), t, s, s + maxsize, &warn, __get_current_time_locale(loc), loc);
-#ifndef NO_RUN_TIME_WARNINGS_ABOUT_YEAR_2000_PROBLEMS_THANK_YOU
- if (warn != IN_NONE && getenv(YEAR_2000_NAME) != NULL) {
- (void) fputs("\n", stderr);
- if (format == NULL)
- (void) fputs("NULL strftime format ", stderr);
- else (void) fprintf_l(stderr, loc, "strftime format \"%s\" ",
- format);
- (void) fputs("yields only two digits of years in ", stderr);
- if (warn == IN_SOME)
- (void) fputs("some locales", stderr);
- else if (warn == IN_THIS)
- (void) fputs("the current locale", stderr);
- else (void) fputs("all locales", stderr);
- (void) fputs("\n", stderr);
- }
-#endif /* !defined NO_RUN_TIME_WARNINGS_ABOUT_YEAR_2000_PROBLEMS_THANK_YOU */
- if (p == s + maxsize)
- return 0;
- *p = '\0';
- return p - s;
-}
-
-size_t
-strftime(char * __restrict s, size_t maxsize, const char * __restrict format,
- const struct tm * __restrict t)
-{
- return strftime_l(s, maxsize, format, t, __current_locale());
-}
-
-#ifndef BUILDING_VARIANT
-__private_extern__ char *
-_fmt(const char *format, const struct tm * const t, char *pt,
- const char * const ptlim, int *warnp, struct lc_time_T *tptr, locale_t loc)
-{
- int Ealternative, Oalternative, PadIndex;
-
- for ( ; *format; ++format) {
- if (*format == '%') {
- Ealternative = 0;
- Oalternative = 0;
- PadIndex = PAD_DEFAULT;
-label:
- switch (*++format) {
- case '\0':
- --format;
- break;
- case 'A':
- pt = _add((t->tm_wday < 0 ||
- t->tm_wday >= DAYSPERWEEK) ?
- "?" : tptr->weekday[t->tm_wday],
- pt, ptlim);
- continue;
- case 'a':
- pt = _add((t->tm_wday < 0 ||
- t->tm_wday >= DAYSPERWEEK) ?
- "?" : tptr->wday[t->tm_wday],
- pt, ptlim);
- continue;
- case 'B':
- pt = _add((t->tm_mon < 0 ||
- t->tm_mon >= MONSPERYEAR) ?
- "?" : (Oalternative ? tptr->alt_month :
- tptr->month)[t->tm_mon],
- pt, ptlim);
- continue;
- case 'b':
- case 'h':
- pt = _add((t->tm_mon < 0 ||
- t->tm_mon >= MONSPERYEAR) ?
- "?" : tptr->mon[t->tm_mon],
- pt, ptlim);
- continue;
- case 'C':
- /*
- ** %C used to do a...
- ** _fmt("%a %b %e %X %Y", t, tptr, loc);
- ** ...whereas now POSIX 1003.2 calls for
- ** something completely different.
- ** (ado, 1993-05-24)
- */
- pt = _yconv(t->tm_year, TM_YEAR_BASE, 1, 0,
- pt, ptlim, loc);
- continue;
- case 'c':
- {
- int warn2 = IN_SOME;
-
- pt = _fmt(tptr->c_fmt, t, pt, ptlim, &warn2, tptr, loc);
- if (warn2 == IN_ALL)
- warn2 = IN_THIS;
- if (warn2 > *warnp)
- *warnp = warn2;
- }
- continue;
- case 'D':
- pt = _fmt("%m/%d/%y", t, pt, ptlim, warnp, tptr, loc);
- continue;
- case 'd':
- pt = _conv(t->tm_mday, fmt_padding[PAD_FMT_DAYOFMONTH][PadIndex],
- pt, ptlim, loc);
- continue;
- case 'E':
- if (Ealternative || Oalternative)
- break;
- Ealternative++;
- goto label;
- case 'O':
- /*
- ** C99 locale modifiers.
- ** The sequences
- ** %Ec %EC %Ex %EX %Ey %EY
- ** %Od %oe %OH %OI %Om %OM
- ** %OS %Ou %OU %OV %Ow %OW %Oy
- ** are supposed to provide alternate
- ** representations.
- **
- ** FreeBSD extension
- ** %OB
- */
- if (Ealternative || Oalternative)
- break;
- Oalternative++;
- goto label;
- case 'e':
- pt = _conv(t->tm_mday,
- fmt_padding[PAD_FMT_SDAYOFMONTH][PadIndex], pt, ptlim, loc);
- continue;
- case 'F':
- pt = _fmt("%Y-%m-%d", t, pt, ptlim, warnp, tptr, loc);
- continue;
- case 'H':
- pt = _conv(t->tm_hour, fmt_padding[PAD_FMT_HMS][PadIndex],
- pt, ptlim, loc);
- continue;
- case 'I':
- pt = _conv((t->tm_hour % 12) ?
- (t->tm_hour % 12) : 12,
- fmt_padding[PAD_FMT_HMS][PadIndex], pt, ptlim, loc);
- continue;
- case 'j':
- pt = _conv(t->tm_yday + 1,
- fmt_padding[PAD_FMT_DAYOFYEAR][PadIndex], pt, ptlim, loc);
- continue;
- case 'k':
- /*
- ** This used to be...
- ** _conv(t->tm_hour % 12 ?
- ** t->tm_hour % 12 : 12, 2, ' ', loc);
- ** ...and has been changed to the below to
- ** match SunOS 4.1.1 and Arnold Robbins'
- ** strftime version 3.0. That is, "%k" and
- ** "%l" have been swapped.
- ** (ado, 1993-05-24)
- */
- pt = _conv(t->tm_hour, fmt_padding[PAD_FMT_SHMS][PadIndex],
- pt, ptlim, loc);
- continue;
-#ifdef KITCHEN_SINK
- case 'K':
- /*
- ** After all this time, still unclaimed!
- */
- pt = _add("kitchen sink", pt, ptlim);
- continue;
-#endif /* defined KITCHEN_SINK */
- case 'l':
- /*
- ** This used to be...
- ** _conv(t->tm_hour, 2, ' ');
- ** ...and has been changed to the below to
- ** match SunOS 4.1.1 and Arnold Robbin's
- ** strftime version 3.0. That is, "%k" and
- ** "%l" have been swapped.
- ** (ado, 1993-05-24)
- */
- pt = _conv((t->tm_hour % 12) ?
- (t->tm_hour % 12) : 12,
- fmt_padding[PAD_FMT_SHMS][PadIndex], pt, ptlim, loc);
- continue;
- case 'M':
- pt = _conv(t->tm_min, fmt_padding[PAD_FMT_HMS][PadIndex],
- pt, ptlim, loc);
- continue;
- case 'm':
- pt = _conv(t->tm_mon + 1,
- fmt_padding[PAD_FMT_MONTH][PadIndex], pt, ptlim, loc);
- continue;
- case 'n':
- pt = _add("\n", pt, ptlim);
- continue;
- case 'p':
- pt = _add((t->tm_hour >= (HOURSPERDAY / 2)) ?
- tptr->pm :
- tptr->am,
- pt, ptlim);
- continue;
- case 'R':
- pt = _fmt("%H:%M", t, pt, ptlim, warnp, tptr, loc);
- continue;
- case 'r':
- pt = _fmt(tptr->ampm_fmt, t, pt, ptlim,
- warnp, tptr, loc);
- continue;
- case 'S':
- pt = _conv(t->tm_sec, fmt_padding[PAD_FMT_HMS][PadIndex],
- pt, ptlim, loc);
- continue;
- case 's':
- {
- struct tm tm;
- char buf[INT_STRLEN_MAXIMUM(
- time_t) + 1];
- time_t mkt;
-
- tm = *t;
- mkt = mktime(&tm);
- if (TYPE_SIGNED(time_t))
- (void) sprintf_l(buf, loc, "%ld",
- (long) mkt);
- else (void) sprintf_l(buf, loc, "%lu",
- (unsigned long) mkt);
- pt = _add(buf, pt, ptlim);
- }
- continue;
- case 'T':
- pt = _fmt("%H:%M:%S", t, pt, ptlim, warnp, tptr, loc);
- continue;
- case 't':
- pt = _add("\t", pt, ptlim);
- continue;
- case 'U':
- pt = _conv((t->tm_yday + DAYSPERWEEK -
- t->tm_wday) / DAYSPERWEEK,
- fmt_padding[PAD_FMT_WEEKOFYEAR][PadIndex], pt, ptlim, loc);
- continue;
- case 'u':
- /*
- ** From Arnold Robbins' strftime version 3.0:
- ** "ISO 8601: Weekday as a decimal number
- ** [1 (Monday) - 7]"
- ** (ado, 1993-05-24)
- */
- pt = _conv((t->tm_wday == 0) ?
- DAYSPERWEEK : t->tm_wday,
- "%d", pt, ptlim, loc);
- continue;
- case 'V': /* ISO 8601 week number */
- case 'G': /* ISO 8601 year (four digits) */
- case 'g': /* ISO 8601 year (two digits) */
-/*
-** From Arnold Robbins' strftime version 3.0: "the week number of the
-** year (the first Monday as the first day of week 1) as a decimal number
-** (01-53)."
-** (ado, 1993-05-24)
-**
-** From "http://www.ft.uni-erlangen.de/~mskuhn/iso-time.html" by Markus Kuhn:
-** "Week 01 of a year is per definition the first week which has the
-** Thursday in this year, which is equivalent to the week which contains
-** the fourth day of January. In other words, the first week of a new year
-** is the week which has the majority of its days in the new year. Week 01
-** might also contain days from the previous year and the week before week
-** 01 of a year is the last week (52 or 53) of the previous year even if
-** it contains days from the new year. A week starts with Monday (day 1)
-** and ends with Sunday (day 7). For example, the first week of the year
-** 1997 lasts from 1996-12-30 to 1997-01-05..."
-** (ado, 1996-01-02)
-*/
- {
- int year;
- int base;
- int yday;
- int wday;
- int w;
-
- year = t->tm_year;
- base = TM_YEAR_BASE;
- yday = t->tm_yday;
- wday = t->tm_wday;
- for ( ; ; ) {
- int len;
- int bot;
- int top;
-
- len = isleap_sum(year, base) ?
- DAYSPERLYEAR :
- DAYSPERNYEAR;
- /*
- ** What yday (-3 ... 3) does
- ** the ISO year begin on?
- */
- bot = ((yday + 11 - wday) %
- DAYSPERWEEK) - 3;
- /*
- ** What yday does the NEXT
- ** ISO year begin on?
- */
- top = bot -
- (len % DAYSPERWEEK);
- if (top < -3)
- top += DAYSPERWEEK;
- top += len;
- if (yday >= top) {
- ++base;
- w = 1;
- break;
- }
- if (yday >= bot) {
- w = 1 + ((yday - bot) /
- DAYSPERWEEK);
- break;
- }
- --base;
- yday += isleap_sum(year, base) ?
- DAYSPERLYEAR :
- DAYSPERNYEAR;
- }
-#ifdef XPG4_1994_04_09
- if ((w == 52 &&
- t->tm_mon == TM_JANUARY) ||
- (w == 1 &&
- t->tm_mon == TM_DECEMBER))
- w = 53;
-#endif /* defined XPG4_1994_04_09 */
- if (*format == 'V')
- pt = _conv(w, fmt_padding[PAD_FMT_WEEKOFYEAR][PadIndex],
- pt, ptlim, loc);
- else if (*format == 'g') {
- *warnp = IN_ALL;
- pt = _yconv(year, base, 0, 1,
- pt, ptlim, loc);
- } else pt = _yconv(year, base, 1, 1,
- pt, ptlim, loc);
- }
- continue;
- case 'v':
- /*
- ** From Arnold Robbins' strftime version 3.0:
- ** "date as dd-bbb-YYYY"
- ** (ado, 1993-05-24)
- */
- pt = _fmt("%e-%b-%Y", t, pt, ptlim, warnp, tptr, loc);
- continue;
- case 'W':
- pt = _conv((t->tm_yday + DAYSPERWEEK -
- (t->tm_wday ?
- (t->tm_wday - 1) :
- (DAYSPERWEEK - 1))) / DAYSPERWEEK,
- fmt_padding[PAD_FMT_WEEKOFYEAR][PadIndex], pt, ptlim, loc);
- continue;
- case 'w':
- pt = _conv(t->tm_wday, "%d", pt, ptlim, loc);
- continue;
- case 'X':
- pt = _fmt(tptr->X_fmt, t, pt, ptlim, warnp, tptr, loc);
- continue;
- case 'x':
- {
- int warn2 = IN_SOME;
-
- pt = _fmt(tptr->x_fmt, t, pt, ptlim, &warn2, tptr, loc);
- if (warn2 == IN_ALL)
- warn2 = IN_THIS;
- if (warn2 > *warnp)
- *warnp = warn2;
- }
- continue;
- case 'y':
- *warnp = IN_ALL;
- pt = _yconv(t->tm_year, TM_YEAR_BASE, 0, 1,
- pt, ptlim, loc);
- continue;
- case 'Y':
- pt = _yconv(t->tm_year, TM_YEAR_BASE, 1, 1,
- pt, ptlim, loc);
- continue;
- case 'Z':
-#ifdef TM_ZONE
- if (t->TM_ZONE != NULL)
- pt = _add(t->TM_ZONE, pt, ptlim);
- else
-#endif /* defined TM_ZONE */
- if (t->tm_isdst >= 0)
- pt = _add(tzname[t->tm_isdst != 0],
- pt, ptlim);
- /*
- ** C99 says that %Z must be replaced by the
- ** empty string if the time zone is not
- ** determinable.
- */
- continue;
- case 'z':
- {
- int diff;
- char const * sign;
-
- if (t->tm_isdst < 0)
- continue;
-#if defined(TM_GMTOFF) && !__DARWIN_UNIX03
- diff = t->TM_GMTOFF;
-#else /* !defined TM_GMTOFF || __DARWIN_UNIX03 */
- /*
- ** C99 says that the UTC offset must
- ** be computed by looking only at
- ** tm_isdst. This requirement is
- ** incorrect, since it means the code
- ** must rely on magic (in this case
- ** altzone and timezone), and the
- ** magic might not have the correct
- ** offset. Doing things correctly is
- ** tricky and requires disobeying C99;
- ** see GNU C strftime for details.
- ** For now, punt and conform to the
- ** standard, even though it's incorrect.
- **
- ** C99 says that %z must be replaced by the
- ** empty string if the time zone is not
- ** determinable, so output nothing if the
- ** appropriate variables are not available.
- */
- if (t->tm_isdst == 0)
-#ifdef USG_COMPAT
- diff = -_st_get_timezone();
-#else /* !defined USG_COMPAT */
- continue;
-#endif /* !defined USG_COMPAT */
- else
-#ifdef ALTZONE
- diff = -altzone;
-#else /* !defined ALTZONE */
- continue;
-#endif /* !defined ALTZONE */
-#endif /* !defined TM_GMTOFF || __DARWIN_UNIX03 */
- if (diff < 0) {
- sign = "-";
- diff = -diff;
- } else sign = "+";
- pt = _add(sign, pt, ptlim);
- diff /= SECSPERMIN;
- diff = (diff / MINSPERHOUR) * 100 +
- (diff % MINSPERHOUR);
- pt = _conv(diff,
- fmt_padding[PAD_FMT_YEAR][PadIndex], pt, ptlim, loc);
- }
- continue;
- case '+':
- pt = _fmt(tptr->date_fmt, t, pt, ptlim,
- warnp, tptr, loc);
- continue;
- case '-':
- if (PadIndex != PAD_DEFAULT)
- break;
- PadIndex = PAD_LESS;
- goto label;
- case '_':
- if (PadIndex != PAD_DEFAULT)
- break;
- PadIndex = PAD_SPACE;
- goto label;
- case '0':
- if (PadIndex != PAD_DEFAULT)
- break;
- PadIndex = PAD_ZERO;
- goto label;
- case '%':
- /*
- ** X311J/88-090 (4.12.3.5): if conversion char is
- ** undefined, behavior is undefined. Print out the
- ** character itself as printf(3) also does.
- */
- default:
- break;
- }
- }
- if (pt == ptlim)
- break;
- *pt++ = *format;
- }
- return pt;
-}
-
-static char *
-_conv(const int n, const char * const format, char * const pt,
- const char * const ptlim, locale_t loc)
-{
- char buf[INT_STRLEN_MAXIMUM(int) + 1];
-
- (void) sprintf_l(buf, loc, format, n);
- return _add(buf, pt, ptlim);
-}
-
-static char *
-_add(const char * str, char * pt, const char * const ptlim)
-{
- while (pt < ptlim && (*pt = *str++) != '\0')
- ++pt;
- return pt;
-}
-
-/*
-** POSIX and the C Standard are unclear or inconsistent about
-** what %C and %y do if the year is negative or exceeds 9999.
-** Use the convention that %C concatenated with %y yields the
-** same output as %Y, and that %Y contains at least 4 bytes,
-** with more only if necessary.
-*/
-
-static char *
-_yconv(const int a, const int b, const int convert_top, const int convert_yy,
- char * pt, const char * const ptlim, locale_t loc)
-{
- register int lead;
- register int trail;
-
-#define DIVISOR 100
- trail = a % DIVISOR + b % DIVISOR;
- lead = a / DIVISOR + b / DIVISOR + trail / DIVISOR;
- trail %= DIVISOR;
- if (trail < 0 && lead > 0) {
- trail += DIVISOR;
- --lead;
- } else if (lead < 0 && trail > 0) {
- trail -= DIVISOR;
- ++lead;
- }
- if (convert_top) {
- if (lead == 0 && trail < 0)
- pt = _add("-0", pt, ptlim);
- else pt = _conv(lead, "%02d", pt, ptlim, loc);
- }
- if (convert_yy)
- pt = _conv(((trail < 0) ? -trail : trail), "%02d", pt, ptlim, loc);
- return pt;
-}
-#endif /* !BUILDING_VARIANT */
-#pragma clang diagnostic pop