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--- /dev/null
+++ Libc/Libc-763.12/stdtime/FreeBSD/strftime.c
@@ -0,0 +1,634 @@
+/*
+ * 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.
+ */
+
+#ifndef lint
+#ifndef NOID
+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 /* !defined NOID */
+#endif /* !defined lint */
+
+#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 <fcntl.h>
+#include <sys/stat.h>
+#include "un-namespace.h"
+#include "timelocal.h"
+
+static char * _add(const char *, char *, const char *);
+static char * _conv(int, const char *, char *, const char *);
+static char * _fmt(const char *, const struct tm *, char *, const char *,
+ int *);
+static char * _yconv(int, int, int, int, char *, const char *);
+
+extern char * tzname[];
+
+#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
+
+static const char* 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" }
+};
+
+size_t
+strftime(char * __restrict s, size_t maxsize, const char * __restrict format,
+ const struct tm * __restrict t)
+{
+ char * p;
+ int warn;
+
+ tzset();
+ warn = IN_NONE;
+ p = _fmt(((format == NULL) ? "%c" : format), t, s, s + maxsize, &warn);
+#ifndef NO_RUN_TIME_WARNINGS_ABOUT_YEAR_2000_PROBLEMS_THANK_YOU
+ if (warn != IN_NONE && getenv(YEAR_2000_NAME) != NULL) {
+ (void) fprintf(stderr, "\n");
+ if (format == NULL)
+ (void) fprintf(stderr, "NULL strftime format ");
+ else (void) fprintf(stderr, "strftime format \"%s\" ",
+ format);
+ (void) fprintf(stderr, "yields only two digits of years in ");
+ if (warn == IN_SOME)
+ (void) fprintf(stderr, "some locales");
+ else if (warn == IN_THIS)
+ (void) fprintf(stderr, "the current locale");
+ else (void) fprintf(stderr, "all locales");
+ (void) fprintf(stderr, "\n");
+ }
+#endif /* !defined NO_RUN_TIME_WARNINGS_ABOUT_YEAR_2000_PROBLEMS_THANK_YOU */
+ if (p == s + maxsize)
+ return 0;
+ *p = '\0';
+ return p - s;
+}
+
+static char *
+_fmt(format, t, pt, ptlim, warnp)
+const char * format;
+const struct tm * const t;
+char * pt;
+const char * const ptlim;
+int * warnp;
+{
+ int Ealternative, Oalternative, PadIndex;
+ struct lc_time_T *tptr = __get_current_time_locale();
+
+ 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);
+ ** ...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);
+ continue;
+ case 'c':
+ {
+ int warn2 = IN_SOME;
+
+ pt = _fmt(tptr->c_fmt, t, pt, ptlim, &warn2);
+ if (warn2 == IN_ALL)
+ warn2 = IN_THIS;
+ if (warn2 > *warnp)
+ *warnp = warn2;
+ }
+ continue;
+ case 'D':
+ pt = _fmt("%m/%d/%y", t, pt, ptlim, warnp);
+ continue;
+ case 'd':
+ pt = _conv(t->tm_mday, fmt_padding[PAD_FMT_DAYOFMONTH][PadIndex],
+ pt, ptlim);
+ 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);
+ continue;
+ case 'F':
+ pt = _fmt("%Y-%m-%d", t, pt, ptlim, warnp);
+ continue;
+ case 'H':
+ pt = _conv(t->tm_hour, fmt_padding[PAD_FMT_HMS][PadIndex],
+ pt, ptlim);
+ continue;
+ case 'I':
+ pt = _conv((t->tm_hour % 12) ?
+ (t->tm_hour % 12) : 12,
+ fmt_padding[PAD_FMT_HMS][PadIndex], pt, ptlim);
+ continue;
+ case 'j':
+ pt = _conv(t->tm_yday + 1,
+ fmt_padding[PAD_FMT_DAYOFYEAR][PadIndex], pt, ptlim);
+ continue;
+ case 'k':
+ /*
+ ** This used to be...
+ ** _conv(t->tm_hour % 12 ?
+ ** t->tm_hour % 12 : 12, 2, ' ');
+ ** ...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);
+ 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);
+ continue;
+ case 'M':
+ pt = _conv(t->tm_min, fmt_padding[PAD_FMT_HMS][PadIndex],
+ pt, ptlim);
+ continue;
+ case 'm':
+ pt = _conv(t->tm_mon + 1,
+ fmt_padding[PAD_FMT_MONTH][PadIndex], pt, ptlim);
+ 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);
+ continue;
+ case 'r':
+ pt = _fmt(tptr->ampm_fmt, t, pt, ptlim,
+ warnp);
+ continue;
+ case 'S':
+ pt = _conv(t->tm_sec, fmt_padding[PAD_FMT_HMS][PadIndex],
+ pt, ptlim);
+ 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(buf, "%ld",
+ (long) mkt);
+ else (void) sprintf(buf, "%lu",
+ (unsigned long) mkt);
+ pt = _add(buf, pt, ptlim);
+ }
+ continue;
+ case 'T':
+ pt = _fmt("%H:%M:%S", t, pt, ptlim, warnp);
+ 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);
+ 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);
+ 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);
+ else if (*format == 'g') {
+ *warnp = IN_ALL;
+ pt = _yconv(year, base, 0, 1,
+ pt, ptlim);
+ } else pt = _yconv(year, base, 1, 1,
+ pt, ptlim);
+ }
+ 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);
+ 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);
+ continue;
+ case 'w':
+ pt = _conv(t->tm_wday, "%d", pt, ptlim);
+ continue;
+ case 'X':
+ pt = _fmt(tptr->X_fmt, t, pt, ptlim, warnp);
+ continue;
+ case 'x':
+ {
+ int warn2 = IN_SOME;
+
+ pt = _fmt(tptr->x_fmt, t, pt, ptlim, &warn2);
+ 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);
+ continue;
+ case 'Y':
+ pt = _yconv(t->tm_year, TM_YEAR_BASE, 1, 1,
+ pt, ptlim);
+ 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;
+#ifdef TM_GMTOFF
+ diff = t->TM_GMTOFF;
+#else /* !defined TM_GMTOFF */
+ /*
+ ** 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 = -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 */
+ 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);
+ }
+ continue;
+ case '+':
+ pt = _fmt(tptr->date_fmt, t, pt, ptlim,
+ warnp);
+ 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(n, format, pt, ptlim)
+const int n;
+const char * const format;
+char * const pt;
+const char * const ptlim;
+{
+ char buf[INT_STRLEN_MAXIMUM(int) + 1];
+
+ (void) sprintf(buf, format, n);
+ return _add(buf, pt, ptlim);
+}
+
+static char *
+_add(str, pt, ptlim)
+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(a, b, convert_top, convert_yy, pt, ptlim)
+const int a;
+const int b;
+const int convert_top;
+const int convert_yy;
+char * pt;
+const char * const ptlim;
+{
+ 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);
+ }
+ if (convert_yy)
+ pt = _conv(((trail < 0) ? -trail : trail), "%02d", pt, ptlim);
+ return pt;
+}