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- /* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-
- /** XXX changed the defines a little for AmigaPython purposes... - Irmen **/
-
- # define HAVE_LIMITS_H 1
- # define HAVE_MBLEN 0
- # define HAVE_MBRLEN 1
- # define HAVE_STRUCT_ERA_ENTRY 0
- # define HAVE_TM_GMTOFF 0
- # define HAVE_TM_ZONE 0
- # define HAVE_TZNAME 1
- # define HAVE_TZSET 1
- # define MULTIBYTE_IS_FORMAT_SAFE 0
- # define STDC_HEADERS 1
-
- #include <ctype.h>
- #include <sys/types.h> /* Some systems define `time_t' here. */
-
- #ifdef TIME_WITH_SYS_TIME
- # include <sys/time.h>
- # include <time.h>
- #else
- # ifdef HAVE_SYS_TIME_H
- # include <sys/time.h>
- # else
- # include <time.h>
- # endif
- #endif
- #if HAVE_TZNAME
- extern char *tzname[];
- #endif
-
- /* Do multibyte processing if multibytes are supported, unless
- multibyte sequences are safe in formats. Multibyte sequences are
- safe if they cannot contain byte sequences that look like format
- conversion specifications. The GNU C Library uses UTF8 multibyte
- encoding, which is safe for formats, but strftime.c can be used
- with other C libraries that use unsafe encodings. */
- #define DO_MULTIBYTE (HAVE_MBLEN && ! MULTIBYTE_IS_FORMAT_SAFE)
-
- #if DO_MULTIBYTE
- # if HAVE_MBRLEN
- # include <wchar.h>
- # else
- /* Simulate mbrlen with mblen as best we can. */
- # define mbstate_t int
- # define mbrlen(s, n, ps) mblen (s, n)
- # define mbsinit(ps) (*(ps) == 0)
- # endif
- static const mbstate_t mbstate_zero;
- #endif
-
- #if HAVE_LIMITS_H
- # include <limits.h>
- #endif
-
- #if STDC_HEADERS
- # include <stddef.h>
- # include <stdlib.h>
- # include <string.h>
- #else
- # ifndef HAVE_MEMCPY
- # define memcpy(d, s, n) bcopy ((s), (d), (n))
- # endif
- #endif
-
- #ifndef __P
- # if defined (__GNUC__) || (defined (__STDC__) && __STDC__)
- # define __P(args) args
- # else
- # define __P(args) ()
- # endif /* GCC. */
- #endif /* Not __P. */
-
- #ifndef PTR
- # ifdef __STDC__
- # define PTR void *
- # else
- # define PTR char *
- # endif
- #endif
-
- #ifndef CHAR_BIT
- # define CHAR_BIT 8
- #endif
-
- #ifndef NULL
- # define NULL 0
- #endif
-
- #define TYPE_SIGNED(t) ((t) -1 < 0)
-
- /* Bound on length of the string representing an integer value of type t.
- Subtract one for the sign bit if t is signed;
- 302 / 1000 is log10 (2) rounded up;
- add one for integer division truncation;
- add one more for a minus sign if t is signed. */
- #define INT_STRLEN_BOUND(t) \
- ((sizeof (t) * CHAR_BIT - TYPE_SIGNED (t)) * 302 / 100 + 1 + TYPE_SIGNED (t))
-
- #define TM_YEAR_BASE 1900
-
- #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
-
-
- #ifdef _LIBC
- # define gmtime_r __gmtime_r
- # define localtime_r __localtime_r
- # define tzname __tzname
- # define tzset __tzset
- #else
- # if ! HAVE_LOCALTIME_R
- # if ! HAVE_TM_GMTOFF
- /* Approximate gmtime_r as best we can in its absence. */
- # define gmtime_r my_gmtime_r
- static struct tm *gmtime_r __P ((const time_t *, struct tm *));
- static struct tm *
- gmtime_r (t, tp)
- const time_t *t;
- struct tm *tp;
- {
- struct tm *l = gmtime (t);
- if (! l)
- return 0;
- *tp = *l;
- return tp;
- }
- # endif /* ! HAVE_TM_GMTOFF */
-
- /* Approximate localtime_r as best we can in its absence. */
- # define localtime_r my_ftime_localtime_r
- static struct tm *localtime_r __P ((const time_t *, struct tm *));
- static struct tm *
- localtime_r (t, tp)
- const time_t *t;
- struct tm *tp;
- {
- struct tm *l = localtime (t);
- if (! l)
- return 0;
- *tp = *l;
- return tp;
- }
- # endif /* ! HAVE_LOCALTIME_R */
- #endif /* ! defined (_LIBC) */
-
-
- #if !defined memset && !defined HAVE_MEMSET && !defined _LIBC
- /* Some systems lack the `memset' function and we don't want to
- introduce additional dependencies. */
- /* The SGI compiler reportedly barfs on the trailing null
- if we use a string constant as the initializer. 28 June 1997, rms. */
- static const char spaces[16] = /* " " */
- { ' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ' };
- static const char zeroes[16] = /* "0000000000000000" */
- { '0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0' };
-
- # define memset_space(P, Len) \
- do { \
- int _len = (Len); \
- \
- do \
- { \
- int _this = _len > 16 ? 16 : _len; \
- memcpy ((P), spaces, _this); \
- (P) += _this; \
- _len -= _this; \
- } \
- while (_len > 0); \
- } while (0)
-
- # define memset_zero(P, Len) \
- do { \
- int _len = (Len); \
- \
- do \
- { \
- int _this = _len > 16 ? 16 : _len; \
- memcpy ((P), zeroes, _this); \
- (P) += _this; \
- _len -= _this; \
- } \
- while (_len > 0); \
- } while (0)
- #else
- # define memset_space(P, Len) (memset ((P), ' ', (Len)), (P) += (Len))
- # define memset_zero(P, Len) (memset ((P), '0', (Len)), (P) += (Len))
- #endif
-
- #define add(n, f) \
- do \
- { \
- int _n = (n); \
- int _delta = width - _n; \
- int _incr = _n + (_delta > 0 ? _delta : 0); \
- if (i + _incr >= maxsize) \
- return 0; \
- if (p) \
- { \
- if (_delta > 0) \
- { \
- if (pad == '0') \
- memset_zero (p, _delta); \
- else \
- memset_space (p, _delta); \
- } \
- f; \
- p += _n; \
- } \
- i += _incr; \
- } while (0)
-
- #define cpy(n, s) \
- add ((n), \
- if (to_lowcase) \
- memcpy_lowcase (p, (s), _n); \
- else if (to_uppcase) \
- memcpy_uppcase (p, (s), _n); \
- else \
- memcpy ((PTR) p, (PTR) (s), _n))
-
-
-
- #ifdef _LIBC
- # define TOUPPER(Ch) toupper (Ch)
- # define TOLOWER(Ch) tolower (Ch)
- #else
- # define TOUPPER(Ch) (islower (Ch) ? toupper (Ch) : (Ch))
- # define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch))
- #endif
- /* We don't use `isdigit' here since the locale dependent
- interpretation is not what we want here. We only need to accept
- the arabic digits in the ASCII range. One day there is perhaps a
- more reliable way to accept other sets of digits. */
- #define ISDIGIT(Ch) ((unsigned int) (Ch) - '0' <= 9)
-
- static char *memcpy_lowcase __P ((char *dest, const char *src, size_t len));
-
- static char *
- memcpy_lowcase (dest, src, len)
- char *dest;
- const char *src;
- size_t len;
- {
- while (len-- > 0)
- dest[len] = TOLOWER (src[len]);
- return dest;
- }
-
- static char *memcpy_uppcase __P ((char *dest, const char *src, size_t len));
-
- static char *
- memcpy_uppcase (dest, src, len)
- char *dest;
- const char *src;
- size_t len;
- {
- while (len-- > 0)
- dest[len] = TOUPPER (src[len]);
- return dest;
- }
-
-
- #if ! HAVE_TM_GMTOFF
- /* Yield the difference between *A and *B,
- measured in seconds, ignoring leap seconds. */
- # define tm_diff ftime_tm_diff
- static int tm_diff __P ((const struct tm *, const struct tm *));
- static int
- tm_diff (a, b)
- const struct tm *a;
- const struct tm *b;
- {
- /* Compute intervening leap days correctly even if year is negative.
- Take care to avoid int overflow in leap day calculations,
- but it's OK to assume that A and B are close to each other. */
- int a4 = (a->tm_year >> 2) + (TM_YEAR_BASE >> 2) - ! (a->tm_year & 3);
- int b4 = (b->tm_year >> 2) + (TM_YEAR_BASE >> 2) - ! (b->tm_year & 3);
- int a100 = a4 / 25 - (a4 % 25 < 0);
- int b100 = b4 / 25 - (b4 % 25 < 0);
- int a400 = a100 >> 2;
- int b400 = b100 >> 2;
- int intervening_leap_days = (a4 - b4) - (a100 - b100) + (a400 - b400);
- int years = a->tm_year - b->tm_year;
- int days = (365 * years + intervening_leap_days
- + (a->tm_yday - b->tm_yday));
- return (60 * (60 * (24 * days + (a->tm_hour - b->tm_hour))
- + (a->tm_min - b->tm_min))
- + (a->tm_sec - b->tm_sec));
- }
- #endif /* ! HAVE_TM_GMTOFF */
-
-
-
- /* The number of days from the first day of the first ISO week of this
- year to the year day YDAY with week day WDAY. ISO weeks start on
- Monday; the first ISO week has the year's first Thursday. YDAY may
- be as small as YDAY_MINIMUM. */
- #define ISO_WEEK_START_WDAY 1 /* Monday */
- #define ISO_WEEK1_WDAY 4 /* Thursday */
- #define YDAY_MINIMUM (-366)
- static int iso_week_days __P ((int, int));
- #ifdef __GNUC__
- inline
- #endif
- static int
- iso_week_days (yday, wday)
- int yday;
- int wday;
- {
- /* Add enough to the first operand of % to make it nonnegative. */
- int big_enough_multiple_of_7 = (-YDAY_MINIMUM / 7 + 2) * 7;
- return (yday
- - (yday - wday + ISO_WEEK1_WDAY + big_enough_multiple_of_7) % 7
- + ISO_WEEK1_WDAY - ISO_WEEK_START_WDAY);
- }
-
-
- #ifndef _NL_CURRENT
- static char const weekday_name[][10] =
- {
- "Sunday", "Monday", "Tuesday", "Wednesday",
- "Thursday", "Friday", "Saturday"
- };
- static char const month_name[][10] =
- {
- "January", "February", "March", "April", "May", "June",
- "July", "August", "September", "October", "November", "December"
- };
- #endif
-
-
- #if !defined _LIBC && HAVE_TZNAME && HAVE_TZSET
- /* Solaris 2.5 tzset sometimes modifies the storage returned by localtime.
- Work around this bug by copying *tp before it might be munged. */
- size_t _strftime_copytm __P ((char *, size_t, const char *,
- const struct tm *));
- size_t
- strftime (s, maxsize, format, tp)
- char *s;
- size_t maxsize;
- const char *format;
- const struct tm *tp;
- {
- struct tm tmcopy;
- tmcopy = *tp;
- return _strftime_copytm (s, maxsize, format, &tmcopy);
- }
- # ifdef strftime
- # undef strftime
- # endif
- # define strftime(S, Maxsize, Format, Tp) \
- _strftime_copytm (S, Maxsize, Format, Tp)
- #endif
-
-
- /* Write information from TP into S according to the format
- string FORMAT, writing no more that MAXSIZE characters
- (including the terminating '\0') and returning number of
- characters written. If S is NULL, nothing will be written
- anywhere, so to determine how many characters would be
- written, use NULL for S and (size_t) UINT_MAX for MAXSIZE. */
- size_t
- strftime (s, maxsize, format, tp)
- char *s;
- size_t maxsize;
- const char *format;
- const struct tm *tp;
- {
- int hour12 = tp->tm_hour;
- #ifdef _NL_CURRENT
- const char *const a_wkday = _NL_CURRENT (LC_TIME, ABDAY_1 + tp->tm_wday);
- const char *const f_wkday = _NL_CURRENT (LC_TIME, DAY_1 + tp->tm_wday);
- const char *const a_month = _NL_CURRENT (LC_TIME, ABMON_1 + tp->tm_mon);
- const char *const f_month = _NL_CURRENT (LC_TIME, MON_1 + tp->tm_mon);
- const char *const ampm = _NL_CURRENT (LC_TIME,
- hour12 > 11 ? PM_STR : AM_STR);
- size_t aw_len = strlen (a_wkday);
- size_t am_len = strlen (a_month);
- size_t ap_len = strlen (ampm);
- #else
- const char *const f_wkday = weekday_name[tp->tm_wday];
- const char *const f_month = month_name[tp->tm_mon];
- const char *const a_wkday = f_wkday;
- const char *const a_month = f_month;
- const char *const ampm = "AMPM" + 2 * (hour12 > 11);
- size_t aw_len = 3;
- size_t am_len = 3;
- size_t ap_len = 2;
- #endif
- size_t wkday_len = strlen (f_wkday);
- size_t month_len = strlen (f_month);
- const char *zone;
- size_t zonelen;
- size_t i = 0;
- char *p = s;
- const char *f;
-
- zone = NULL;
- #if HAVE_TM_ZONE
- /* The POSIX test suite assumes that setting
- the environment variable TZ to a new value before calling strftime()
- will influence the result (the %Z format) even if the information in
- TP is computed with a totally different time zone.
- This is bogus: though POSIX allows bad behavior like this,
- POSIX does not require it. Do the right thing instead. */
- zone = (const char *) tp->tm_zone;
- #endif
- #if HAVE_TZNAME
- /* POSIX.1 8.1.1 requires that whenever strftime() is called, the
- time zone names contained in the external variable `tzname' shall
- be set as if the tzset() function had been called. */
- # if HAVE_TZSET
- tzset ();
- # endif
-
- if (!(zone && *zone) && tp->tm_isdst >= 0)
- zone = tzname[tp->tm_isdst];
- #endif
- if (! zone)
- zone = ""; /* POSIX.2 requires the empty string here. */
-
- zonelen = strlen (zone);
-
- if (hour12 > 12)
- hour12 -= 12;
- else
- if (hour12 == 0) hour12 = 12;
-
- for (f = format; *f != '\0'; ++f)
- {
- int pad; /* Padding for number ('-', '_', or 0). */
- int modifier; /* Field modifier ('E', 'O', or 0). */
- int digits; /* Max digits for numeric format. */
- int number_value; /* Numeric value to be printed. */
- int negative_number; /* 1 if the number is negative. */
- const char *subfmt;
- char *bufp;
- char buf[1 + (sizeof (int) < sizeof (time_t)
- ? INT_STRLEN_BOUND (time_t)
- : INT_STRLEN_BOUND (int))];
- int width = -1;
- int to_lowcase = 0;
- int to_uppcase = 0;
- int change_case = 0;
-
- #if DO_MULTIBYTE
-
- switch (*f)
- {
- case '%':
- break;
-
- case '\a': case '\b': case '\t': case '\n':
- case '\v': case '\f': case '\r':
- case ' ': case '!': case '"': case '#': case '&': case'\'':
- case '(': case ')': case '*': case '+': case ',': case '-':
- case '.': case '/': case '0': case '1': case '2': case '3':
- case '4': case '5': case '6': case '7': case '8': case '9':
- case ':': case ';': case '<': case '=': case '>': case '?':
- case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
- case 'G': case 'H': case 'I': case 'J': case 'K': case 'L':
- case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R':
- case 'S': case 'T': case 'U': case 'V': case 'W': case 'X':
- case 'Y': case 'Z': case '[': case'\\': case ']': case '^':
- case '_': case 'a': case 'b': case 'c': case 'd': case 'e':
- case 'f': case 'g': case 'h': case 'i': case 'j': case 'k':
- case 'l': case 'm': case 'n': case 'o': case 'p': case 'q':
- case 'r': case 's': case 't': case 'u': case 'v': case 'w':
- case 'x': case 'y': case 'z': case '{': case '|': case '}':
- case '~':
- /* The C Standard requires these 98 characters (plus '%') to
- be in the basic execution character set. None of these
- characters can start a multibyte sequence, so they need
- not be analyzed further. */
- add (1, *p = *f);
- continue;
-
- default:
- /* Copy this multibyte sequence until we reach its end, find
- an error, or come back to the initial shift state. */
- {
- mbstate_t mbstate = mbstate_zero;
- size_t len = 0;
-
- do
- {
- size_t bytes = mbrlen (f + len, (size_t) -1, &mbstate);
-
- if (bytes == 0)
- break;
-
- if (bytes == (size_t) -2 || bytes == (size_t) -1)
- {
- len++;
- break;
- }
-
- len += bytes;
- }
- while (! mbsinit (&mbstate));
-
- cpy (len, f);
- continue;
- }
- }
-
- #else /* ! DO_MULTIBYTE */
-
- /* Either multibyte encodings are not supported, or they are
- safe for formats, so any non-'%' byte can be copied through. */
- if (*f != '%')
- {
- add (1, *p = *f);
- continue;
- }
-
- #endif /* ! DO_MULTIBYTE */
-
- /* Check for flags that can modify a format. */
- pad = 0;
- while (1)
- {
- switch (*++f)
- {
- /* This influences the number formats. */
- case '_':
- case '-':
- case '0':
- pad = *f;
- continue;
-
- /* This changes textual output. */
- case '^':
- to_uppcase = 1;
- continue;
- case '#':
- change_case = 1;
- continue;
-
- default:
- break;
- }
- break;
- }
-
- /* As a GNU extension we allow to specify the field width. */
- if (ISDIGIT (*f))
- {
- width = 0;
- do
- {
- width *= 10;
- width += *f - '0';
- ++f;
- }
- while (ISDIGIT (*f));
- }
-
- /* Check for modifiers. */
- switch (*f)
- {
- case 'E':
- case 'O':
- modifier = *f++;
- break;
-
- default:
- modifier = 0;
- break;
- }
-
- /* Now do the specified format. */
- switch (*f)
- {
- #define DO_NUMBER(d, v) \
- digits = width == -1 ? d : width; \
- number_value = v; goto do_number
- #define DO_NUMBER_SPACEPAD(d, v) \
- digits = width == -1 ? d : width; \
- number_value = v; goto do_number_spacepad
-
- case '%':
- if (modifier != 0)
- goto bad_format;
- add (1, *p = *f);
- break;
-
- case 'a':
- if (modifier != 0)
- goto bad_format;
- if (change_case)
- {
- to_uppcase = 1;
- to_lowcase = 0;
- }
- cpy (aw_len, a_wkday);
- break;
-
- case 'A':
- if (modifier != 0)
- goto bad_format;
- if (change_case)
- {
- to_uppcase = 1;
- to_lowcase = 0;
- }
- cpy (wkday_len, f_wkday);
- break;
-
- case 'b':
- case 'h': /* POSIX.2 extension. */
- if (modifier != 0)
- goto bad_format;
- cpy (am_len, a_month);
- break;
-
- case 'B':
- if (modifier != 0)
- goto bad_format;
- if (change_case)
- {
- to_uppcase = 1;
- to_lowcase = 0;
- }
- cpy (month_len, f_month);
- break;
-
- case 'c':
- if (modifier == 'O')
- goto bad_format;
- #ifdef _NL_CURRENT
- if (! (modifier == 'E'
- && *(subfmt = _NL_CURRENT (LC_TIME, ERA_D_T_FMT)) != '\0'))
- subfmt = _NL_CURRENT (LC_TIME, D_T_FMT);
- #else
- subfmt = "%a %b %e %H:%M:%S %Y";
- #endif
-
- subformat:
- {
- char *old_start = p;
- size_t len = strftime (NULL, maxsize - i, subfmt, tp);
- if (len == 0 && *subfmt)
- return 0;
- add (len, strftime (p, maxsize - i, subfmt, tp));
-
- if (to_uppcase)
- while (old_start < p)
- {
- *old_start = TOUPPER (*old_start);
- ++old_start;
- }
- }
- break;
-
- case 'C': /* POSIX.2 extension. */
- if (modifier == 'O')
- goto bad_format;
- #if HAVE_STRUCT_ERA_ENTRY
- if (modifier == 'E')
- {
- struct era_entry *era = _nl_get_era_entry (tp);
- if (era)
- {
- size_t len = strlen (era->name_fmt);
- cpy (len, era->name_fmt);
- break;
- }
- }
- #endif
- {
- int year = tp->tm_year + TM_YEAR_BASE;
- DO_NUMBER (1, year / 100 - (year % 100 < 0));
- }
-
- case 'x':
- if (modifier == 'O')
- goto bad_format;
- #ifdef _NL_CURRENT
- if (! (modifier == 'E'
- && *(subfmt = _NL_CURRENT (LC_TIME, ERA_D_FMT)) != '\0'))
- subfmt = _NL_CURRENT (LC_TIME, D_FMT);
- goto subformat;
- #endif
- /* Fall through. */
- case 'D': /* POSIX.2 extension. */
- if (modifier != 0)
- goto bad_format;
- subfmt = "%m/%d/%y";
- goto subformat;
-
- case 'd':
- if (modifier == 'E')
- goto bad_format;
-
- DO_NUMBER (2, tp->tm_mday);
-
- case 'e': /* POSIX.2 extension. */
- if (modifier == 'E')
- goto bad_format;
-
- DO_NUMBER_SPACEPAD (2, tp->tm_mday);
-
- /* All numeric formats set DIGITS and NUMBER_VALUE and then
- jump to one of these two labels. */
-
- do_number_spacepad:
- /* Force `_' flag unless overwritten by `0' flag. */
- if (pad != '0')
- pad = '_';
-
- do_number:
- /* Format the number according to the MODIFIER flag. */
-
- #ifdef _NL_CURRENT
- if (modifier == 'O' && 0 <= number_value)
- {
- /* Get the locale specific alternate representation of
- the number NUMBER_VALUE. If none exist NULL is returned. */
- const char *cp = _nl_get_alt_digit (number_value);
-
- if (cp != NULL)
- {
- size_t digitlen = strlen (cp);
- if (digitlen != 0)
- {
- cpy (digitlen, cp);
- break;
- }
- }
- }
- #endif
- {
- unsigned int u = number_value;
-
- bufp = buf + sizeof (buf);
- negative_number = number_value < 0;
-
- if (negative_number)
- u = -u;
-
- do
- *--bufp = u % 10 + '0';
- while ((u /= 10) != 0);
- }
-
- do_number_sign_and_padding:
- if (negative_number)
- *--bufp = '-';
-
- if (pad != '-')
- {
- int padding = digits - (buf + sizeof (buf) - bufp);
-
- if (pad == '_')
- {
- while (0 < padding--)
- *--bufp = ' ';
- }
- else
- {
- bufp += negative_number;
- while (0 < padding--)
- *--bufp = '0';
- if (negative_number)
- *--bufp = '-';
- }
- }
-
- cpy (buf + sizeof (buf) - bufp, bufp);
- break;
-
-
- case 'H':
- if (modifier == 'E')
- goto bad_format;
-
- DO_NUMBER (2, tp->tm_hour);
-
- case 'I':
- if (modifier == 'E')
- goto bad_format;
-
- DO_NUMBER (2, hour12);
-
- case 'k': /* GNU extension. */
- if (modifier == 'E')
- goto bad_format;
-
- DO_NUMBER_SPACEPAD (2, tp->tm_hour);
-
- case 'l': /* GNU extension. */
- if (modifier == 'E')
- goto bad_format;
-
- DO_NUMBER_SPACEPAD (2, hour12);
-
- case 'j':
- if (modifier == 'E')
- goto bad_format;
-
- DO_NUMBER (3, 1 + tp->tm_yday);
-
- case 'M':
- if (modifier == 'E')
- goto bad_format;
-
- DO_NUMBER (2, tp->tm_min);
-
- case 'm':
- if (modifier == 'E')
- goto bad_format;
-
- DO_NUMBER (2, tp->tm_mon + 1);
-
- case 'n': /* POSIX.2 extension. */
- add (1, *p = '\n');
- break;
-
- case 'P':
- to_lowcase = 1;
- /* FALLTHROUGH */
-
- case 'p':
- if (change_case)
- {
- to_uppcase = 0;
- to_lowcase = 1;
- }
- cpy (ap_len, ampm);
- break;
-
- case 'R': /* GNU extension. */
- subfmt = "%H:%M";
- goto subformat;
-
- case 'r': /* POSIX.2 extension. */
- #ifdef _NL_CURRENT
- if (*(subfmt = _NL_CURRENT (LC_TIME, T_FMT_AMPM)) == '\0')
- #endif
- subfmt = "%I:%M:%S %p";
- goto subformat;
-
- case 'S':
- if (modifier == 'E')
- goto bad_format;
-
- DO_NUMBER (2, tp->tm_sec);
-
- case 's': /* GNU extension. */
- {
- struct tm ltm;
- time_t t;
-
- ltm = *tp;
- t = mktime (<m);
-
- /* Generate string value for T using time_t arithmetic;
- this works even if sizeof (long) < sizeof (time_t). */
-
- bufp = buf + sizeof (buf);
- negative_number = t < 0;
-
- do
- {
- int d = t % 10;
- t /= 10;
-
- if (negative_number)
- {
- d = -d;
-
- /* Adjust if division truncates to minus infinity. */
- if (0 < -1 % 10 && d < 0)
- {
- t++;
- d += 10;
- }
- }
-
- *--bufp = d + '0';
- }
- while (t != 0);
-
- digits = 1;
- goto do_number_sign_and_padding;
- }
-
- case 'X':
- if (modifier == 'O')
- goto bad_format;
- #ifdef _NL_CURRENT
- if (! (modifier == 'E'
- && *(subfmt = _NL_CURRENT (LC_TIME, ERA_T_FMT)) != '\0'))
- subfmt = _NL_CURRENT (LC_TIME, T_FMT);
- goto subformat;
- #endif
- /* Fall through. */
- case 'T': /* POSIX.2 extension. */
- subfmt = "%H:%M:%S";
- goto subformat;
-
- case 't': /* POSIX.2 extension. */
- add (1, *p = '\t');
- break;
-
- case 'u': /* POSIX.2 extension. */
- DO_NUMBER (1, (tp->tm_wday - 1 + 7) % 7 + 1);
-
- case 'U':
- if (modifier == 'E')
- goto bad_format;
-
- DO_NUMBER (2, (tp->tm_yday - tp->tm_wday + 7) / 7);
-
- case 'V':
- case 'g': /* GNU extension. */
- case 'G': /* GNU extension. */
- if (modifier == 'E')
- goto bad_format;
- {
- int year = tp->tm_year + TM_YEAR_BASE;
- int days = iso_week_days (tp->tm_yday, tp->tm_wday);
-
- if (days < 0)
- {
- /* This ISO week belongs to the previous year. */
- year--;
- days = iso_week_days (tp->tm_yday + (365 + __isleap (year)),
- tp->tm_wday);
- }
- else
- {
- int d = iso_week_days (tp->tm_yday - (365 + __isleap (year)),
- tp->tm_wday);
- if (0 <= d)
- {
- /* This ISO week belongs to the next year. */
- year++;
- days = d;
- }
- }
-
- switch (*f)
- {
- case 'g':
- DO_NUMBER (2, (year % 100 + 100) % 100);
-
- case 'G':
- DO_NUMBER (1, year);
-
- default:
- DO_NUMBER (2, days / 7 + 1);
- }
- }
-
- case 'W':
- if (modifier == 'E')
- goto bad_format;
-
- DO_NUMBER (2, (tp->tm_yday - (tp->tm_wday - 1 + 7) % 7 + 7) / 7);
-
- case 'w':
- if (modifier == 'E')
- goto bad_format;
-
- DO_NUMBER (1, tp->tm_wday);
-
- case 'Y':
- #if HAVE_STRUCT_ERA_ENTRY
- if (modifier == 'E')
- {
- struct era_entry *era = _nl_get_era_entry (tp);
- if (era)
- {
- subfmt = strchr (era->name_fmt, '\0') + 1;
- goto subformat;
- }
- }
- #endif
- if (modifier == 'O')
- goto bad_format;
- else
- DO_NUMBER (1, tp->tm_year + TM_YEAR_BASE);
-
- case 'y':
- #if HAVE_STRUCT_ERA_ENTRY
- if (modifier == 'E')
- {
- struct era_entry *era = _nl_get_era_entry (tp);
- if (era)
- {
- int delta = tp->tm_year - era->start_date[0];
- DO_NUMBER (1, (era->offset
- + (era->direction == '-' ? -delta : delta)));
- }
- }
- #endif
- DO_NUMBER (2, (tp->tm_year % 100 + 100) % 100);
-
- case 'Z':
- if (change_case)
- {
- to_uppcase = 0;
- to_lowcase = 1;
- }
- cpy (zonelen, zone);
- break;
-
- case 'z': /* GNU extension. */
- if (tp->tm_isdst < 0)
- break;
-
- {
- int diff;
- #if HAVE_TM_GMTOFF
- diff = tp->tm_gmtoff;
- #else
- struct tm gtm;
- struct tm ltm;
- time_t lt;
-
- ltm = *tp;
- lt = mktime (<m);
-
- if (lt == (time_t) -1)
- {
- /* mktime returns -1 for errors, but -1 is also a
- valid time_t value. Check whether an error really
- occurred. */
- struct tm tm;
- localtime_r (<, &tm);
-
- if ((ltm.tm_sec ^ tm.tm_sec)
- | (ltm.tm_min ^ tm.tm_min)
- | (ltm.tm_hour ^ tm.tm_hour)
- | (ltm.tm_mday ^ tm.tm_mday)
- | (ltm.tm_mon ^ tm.tm_mon)
- | (ltm.tm_year ^ tm.tm_year))
- break;
- }
-
- if (! gmtime_r (<, >m))
- break;
-
- diff = tm_diff (<m, >m);
- #endif
-
- if (diff < 0)
- {
- add (1, *p = '-');
- diff = -diff;
- }
- else
- add (1, *p = '+');
-
- diff /= 60;
- DO_NUMBER (4, (diff / 60) * 100 + diff % 60);
- }
-
- case '\0': /* GNU extension: % at end of format. */
- --f;
- /* Fall through. */
- default:
- /* Unknown format; output the format, including the '%',
- since this is most likely the right thing to do if a
- multibyte string has been misparsed. */
- bad_format:
- {
- int flen;
- for (flen = 1; f[1 - flen] != '%'; flen++)
- continue;
- cpy (flen, &f[1 - flen]);
- }
- break;
- }
- }
-
- if (p)
- *p = '\0';
- return i;
- }
-