#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef _LIBC
# define HAVE_MBLEN 1
# define HAVE_MBRLEN 1
# define HAVE_STRUCT_ERA_ENTRY 1
# define HAVE_TM_GMTOFF 1
# define HAVE_TM_ZONE 1
# define HAVE_TZNAME 1
# define HAVE_TZSET 1
# define MULTIBYTE_IS_FORMAT_SAFE 1
# include "../locale/localeinfo.h"
#endif
#include <ctype.h>
#include <sys/types.h>
#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
#define DO_MULTIBYTE (HAVE_MBLEN && HAVE_WCHAR_H && ! MULTIBYTE_IS_FORMAT_SAFE)
#if DO_MULTIBYTE
# if HAVE_MBRLEN
# include <wchar.h>
# else
# 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
#include <limits.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#ifdef COMPILE_WIDE
# include <endian.h>
# define CHAR_T wchar_t
# define UCHAR_T unsigned int
# define L_(Str) L##Str
# define NLW(Sym) _NL_W##Sym
# define MEMCPY(d, s, n) __wmemcpy (d, s, n)
# define STRLEN(s) __wcslen (s)
#else
# define CHAR_T char
# define UCHAR_T unsigned char
# define L_(Str) Str
# define NLW(Sym) Sym
# define MEMCPY(d, s, n) memcpy (d, s, n)
# define STRLEN(s) strlen (s)
# ifdef _LIBC
# define MEMPCPY(d, s, n) __mempcpy (d, s, n)
# else
# ifndef HAVE_MEMPCPY
# define MEMPCPY(d, s, n) ((void *) ((char *) memcpy (d, s, n) + (n)))
# endif
# endif
#endif
#define SHR(a, b) \
(-1 >> 1 == -1 \
? (a) >> (b) \
: (a) / (1 << (b)) - ((a) % (1 << (b)) < 0))
#define INT_STRLEN_BOUND(t) \
((sizeof (t) * CHAR_BIT - 1) * 146 / 485 + 2)
#define TM_YEAR_BASE 1900
#ifndef __isleap
# define __isleap(year) \
((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0))
#endif
#ifdef _LIBC
# define tzname __tzname
# define tzset __tzset
#endif
#if !HAVE_TM_GMTOFF
# include "time_r.h"
# undef __gmtime_r
# undef __localtime_r
# define __gmtime_r gmtime_r
# define __localtime_r localtime_r
#endif
#ifdef COMPILE_WIDE
# define memset_space(P, Len) (wmemset (P, L' ', Len), (P) += (Len))
# define memset_zero(P, Len) (wmemset (P, L'0', Len), (P) += (Len))
#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 ((size_t) _incr >= maxsize - i) \
return 0; \
if (p) \
{ \
if (_delta > 0) \
{ \
if (pad == L_('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 LOCALE_ARG); \
else if (to_uppcase) \
memcpy_uppcase (p, (s), _n LOCALE_ARG); \
else \
MEMCPY ((void *) p, (void const *) (s), _n))
#ifdef COMPILE_WIDE
# ifndef USE_IN_EXTENDED_LOCALE_MODEL
# undef __mbsrtowcs_l
# define __mbsrtowcs_l(d, s, l, st, loc) __mbsrtowcs (d, s, l, st)
# endif
# define widen(os, ws, l) \
{ \
mbstate_t __st; \
const char *__s = os; \
memset (&__st, '\0', sizeof (__st)); \
l = __mbsrtowcs_l (NULL, &__s, 0, &__st, loc); \
ws = (wchar_t *) alloca ((l + 1) * sizeof (wchar_t)); \
(void) __mbsrtowcs_l (ws, &__s, l, &__st, loc); \
}
#endif
#if defined _LIBC && defined USE_IN_EXTENDED_LOCALE_MODEL
# define strftime __strftime_l
# define wcsftime __wcsftime_l
# undef _NL_CURRENT
# define _NL_CURRENT(category, item) \
(current->values[_NL_ITEM_INDEX (item)].string)
# define LOCALE_ARG , loc
# define LOCALE_PARAM_PROTO , __locale_t loc
# define HELPER_LOCALE_ARG , current
#else
# define LOCALE_PARAM_PROTO
# define LOCALE_ARG
# ifdef _LIBC
# define HELPER_LOCALE_ARG , _NL_CURRENT_DATA (LC_TIME)
# else
# define HELPER_LOCALE_ARG
# endif
#endif
#ifdef COMPILE_WIDE
# ifdef USE_IN_EXTENDED_LOCALE_MODEL
# define TOUPPER(Ch, L) __towupper_l (Ch, L)
# define TOLOWER(Ch, L) __towlower_l (Ch, L)
# else
# define TOUPPER(Ch, L) towupper (Ch)
# define TOLOWER(Ch, L) towlower (Ch)
# endif
#else
# ifdef _LIBC
# ifdef USE_IN_EXTENDED_LOCALE_MODEL
# define TOUPPER(Ch, L) __toupper_l (Ch, L)
# define TOLOWER(Ch, L) __tolower_l (Ch, L)
# else
# define TOUPPER(Ch, L) toupper (Ch)
# define TOLOWER(Ch, L) tolower (Ch)
# endif
# else
# define TOUPPER(Ch, L) (islower (Ch) ? toupper (Ch) : (Ch))
# define TOLOWER(Ch, L) (isupper (Ch) ? tolower (Ch) : (Ch))
# endif
#endif
#define ISDIGIT(Ch) ((unsigned int) (Ch) - L_('0') <= 9)
static CHAR_T *
memcpy_lowcase (CHAR_T *dest, const CHAR_T *src,
size_t len LOCALE_PARAM_PROTO)
{
while (len-- > 0)
dest[len] = TOLOWER ((UCHAR_T) src[len], loc);
return dest;
}
static CHAR_T *
memcpy_uppcase (CHAR_T *dest, const CHAR_T *src,
size_t len LOCALE_PARAM_PROTO)
{
while (len-- > 0)
dest[len] = TOUPPER ((UCHAR_T) src[len], loc);
return dest;
}
#if ! HAVE_TM_GMTOFF
# define tm_diff ftime_tm_diff
static int
tm_diff (const struct tm *a, const struct tm *b)
{
int a4 = SHR (a->tm_year, 2) + SHR (TM_YEAR_BASE, 2) - ! (a->tm_year & 3);
int b4 = SHR (b->tm_year, 2) + SHR (TM_YEAR_BASE, 2) - ! (b->tm_year & 3);
int a100 = a4 / 25 - (a4 % 25 < 0);
int b100 = b4 / 25 - (b4 % 25 < 0);
int a400 = SHR (a100, 2);
int b400 = SHR (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
#define ISO_WEEK_START_WDAY 1
#define ISO_WEEK1_WDAY 4
#define YDAY_MINIMUM (-366)
#ifdef __GNUC__
__inline__
#endif
static int
iso_week_days (int yday, int wday)
{
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);
}
#if !(defined _NL_CURRENT || HAVE_STRFTIME)
static CHAR_T const weekday_name[][10] =
{
L_("Sunday"), L_("Monday"), L_("Tuesday"), L_("Wednesday"),
L_("Thursday"), L_("Friday"), L_("Saturday")
};
static CHAR_T const month_name[][10] =
{
L_("January"), L_("February"), L_("March"), L_("April"), L_("May"),
L_("June"), L_("July"), L_("August"), L_("September"), L_("October"),
L_("November"), L_("December")
};
#endif
#if defined emacs && !defined my_strftime
# define my_strftime nstrftime
#endif
#ifdef my_strftime
# define extra_args , ut, ns
# define extra_args_spec , int ut, int ns
#else
# ifdef COMPILE_WIDE
# define my_strftime wcsftime
# define nl_get_alt_digit _nl_get_walt_digit
# else
# define my_strftime strftime
# define nl_get_alt_digit _nl_get_alt_digit
# endif
# define extra_args
# define extra_args_spec
# define ut 0
# define ns 0
#endif
size_t
my_strftime (CHAR_T *s, size_t maxsize, const CHAR_T *format,
const struct tm *tp extra_args_spec LOCALE_PARAM_PROTO)
{
#if defined _LIBC && defined USE_IN_EXTENDED_LOCALE_MODEL
struct locale_data *const current = loc->__locales[LC_TIME];
#endif
int hour12 = tp->tm_hour;
#ifdef _NL_CURRENT
# define a_wkday \
((const CHAR_T *) _NL_CURRENT (LC_TIME, NLW(ABDAY_1) + tp->tm_wday))
# define f_wkday \
((const CHAR_T *) _NL_CURRENT (LC_TIME, NLW(DAY_1) + tp->tm_wday))
# define a_month \
((const CHAR_T *) _NL_CURRENT (LC_TIME, NLW(ABMON_1) + tp->tm_mon))
# define f_month \
((const CHAR_T *) _NL_CURRENT (LC_TIME, NLW(MON_1) + tp->tm_mon))
# define ampm \
((const CHAR_T *) _NL_CURRENT (LC_TIME, tp->tm_hour > 11 \
? NLW(PM_STR) : NLW(AM_STR)))
# define aw_len STRLEN (a_wkday)
# define am_len STRLEN (a_month)
# define ap_len STRLEN (ampm)
#else
# if !HAVE_STRFTIME
# define f_wkday (weekday_name[tp->tm_wday])
# define f_month (month_name[tp->tm_mon])
# define a_wkday f_wkday
# define a_month f_month
# define ampm (L_("AMPM") + 2 * (tp->tm_hour > 11))
size_t aw_len = 3;
size_t am_len = 3;
size_t ap_len = 2;
# endif
#endif
const char *zone;
size_t i = 0;
CHAR_T *p = s;
const CHAR_T *f;
#if DO_MULTIBYTE && !defined COMPILE_WIDE
const char *format_end = NULL;
#endif
#if ! defined _LIBC && ! HAVE_RUN_TZSET_TEST
struct tm copy = *tp;
tp = ©
#endif
zone = NULL;
#if HAVE_TM_ZONE
zone = (const char *) tp->tm_zone;
#endif
#if HAVE_TZNAME
if (ut)
{
if (! (zone && *zone))
zone = "GMT";
}
else
{
# if HAVE_TZSET
tzset ();
# endif
}
#endif
if (hour12 > 12)
hour12 -= 12;
else
if (hour12 == 0)
hour12 = 12;
for (f = format; *f != '\0'; ++f)
{
int pad = 0;
int modifier;
int digits;
int number_value;
unsigned int u_number_value;
bool negative_number;
const CHAR_T *subfmt;
CHAR_T *bufp;
CHAR_T buf[1 + (sizeof (int) < sizeof (time_t)
? INT_STRLEN_BOUND (time_t)
: INT_STRLEN_BOUND (int))];
int width = -1;
bool to_lowcase = false;
bool to_uppcase = false;
bool change_case = false;
int format_char;
#if DO_MULTIBYTE && !defined COMPILE_WIDE
switch (*f)
{
case L_('%'):
break;
case L_('\b'): case L_('\t'): case L_('\n'):
case L_('\v'): case L_('\f'): case L_('\r'):
case L_(' '): case L_('!'): case L_('"'): case L_('#'): case L_('&'):
case L_('\''): case L_('('): case L_(')'): case L_('*'): case L_('+'):
case L_(','): case L_('-'): case L_('.'): case L_('/'): case L_('0'):
case L_('1'): case L_('2'): case L_('3'): case L_('4'): case L_('5'):
case L_('6'): case L_('7'): case L_('8'): case L_('9'): case L_(':'):
case L_(';'): case L_('<'): case L_('='): case L_('>'): case L_('?'):
case L_('A'): case L_('B'): case L_('C'): case L_('D'): case L_('E'):
case L_('F'): case L_('G'): case L_('H'): case L_('I'): case L_('J'):
case L_('K'): case L_('L'): case L_('M'): case L_('N'): case L_('O'):
case L_('P'): case L_('Q'): case L_('R'): case L_('S'): case L_('T'):
case L_('U'): case L_('V'): case L_('W'): case L_('X'): case L_('Y'):
case L_('Z'): case L_('['): case L_('\\'): case L_(']'): case L_('^'):
case L_('_'): case L_('a'): case L_('b'): case L_('c'): case L_('d'):
case L_('e'): case L_('f'): case L_('g'): case L_('h'): case L_('i'):
case L_('j'): case L_('k'): case L_('l'): case L_('m'): case L_('n'):
case L_('o'): case L_('p'): case L_('q'): case L_('r'): case L_('s'):
case L_('t'): case L_('u'): case L_('v'): case L_('w'): case L_('x'):
case L_('y'): case L_('z'): case L_('{'): case L_('|'): case L_('}'):
case L_('~'):
add (1, *p = *f);
continue;
default:
{
mbstate_t mbstate = mbstate_zero;
size_t len = 0;
size_t fsize;
if (! format_end)
format_end = f + strlen (f) + 1;
fsize = format_end - f;
do
{
size_t bytes = mbrlen (f + len, fsize - len, &mbstate);
if (bytes == 0)
break;
if (bytes == (size_t) -2)
{
len += strlen (f + len);
break;
}
if (bytes == (size_t) -1)
{
len++;
break;
}
len += bytes;
}
while (! mbsinit (&mbstate));
cpy (len, f);
f += len - 1;
continue;
}
}
#else
if (*f != L_('%'))
{
add (1, *p = *f);
continue;
}
#endif
while (1)
{
switch (*++f)
{
case L_('_'):
case L_('-'):
case L_('0'):
pad = *f;
continue;
case L_('^'):
to_uppcase = true;
continue;
case L_('#'):
change_case = true;
continue;
default:
break;
}
break;
}
if (ISDIGIT (*f))
{
width = 0;
do
{
if (width > INT_MAX / 10
|| (width == INT_MAX / 10 && *f - L_('0') > INT_MAX % 10))
width = INT_MAX;
else
{
width *= 10;
width += *f - L_('0');
}
++f;
}
while (ISDIGIT (*f));
}
switch (*f)
{
case L_('E'):
case L_('O'):
modifier = *f++;
break;
default:
modifier = 0;
break;
}
format_char = *f;
switch (format_char)
{
#define DO_NUMBER(d, v) \
digits = d; \
number_value = v; goto do_number
#define DO_SIGNED_NUMBER(d, negative, v) \
digits = d; \
negative_number = negative; \
u_number_value = v; goto do_signed_number
#define DO_NUMBER_SPACEPAD(d, v) \
digits = d; \
number_value = v; goto do_number_spacepad
case L_('%'):
if (modifier != 0)
goto bad_format;
add (1, *p = *f);
break;
case L_('a'):
if (modifier != 0)
goto bad_format;
if (change_case)
{
to_uppcase = true;
to_lowcase = false;
}
#if defined _NL_CURRENT || !HAVE_STRFTIME
cpy (aw_len, a_wkday);
break;
#else
goto underlying_strftime;
#endif
case 'A':
if (modifier != 0)
goto bad_format;
if (change_case)
{
to_uppcase = true;
to_lowcase = false;
}
#if defined _NL_CURRENT || !HAVE_STRFTIME
cpy (STRLEN (f_wkday), f_wkday);
break;
#else
goto underlying_strftime;
#endif
case L_('b'):
case L_('h'):
if (change_case)
{
to_uppcase = true;
to_lowcase = false;
}
if (modifier != 0)
goto bad_format;
#if defined _NL_CURRENT || !HAVE_STRFTIME
cpy (am_len, a_month);
break;
#else
goto underlying_strftime;
#endif
case L_('B'):
if (modifier != 0)
goto bad_format;
if (change_case)
{
to_uppcase = true;
to_lowcase = false;
}
#if defined _NL_CURRENT || !HAVE_STRFTIME
cpy (STRLEN (f_month), f_month);
break;
#else
goto underlying_strftime;
#endif
case L_('c'):
if (modifier == L_('O'))
goto bad_format;
#ifdef _NL_CURRENT
if (! (modifier == 'E'
&& (*(subfmt =
(const CHAR_T *) _NL_CURRENT (LC_TIME,
NLW(ERA_D_T_FMT)))
!= '\0')))
subfmt = (const CHAR_T *) _NL_CURRENT (LC_TIME, NLW(D_T_FMT));
#else
# if HAVE_STRFTIME
goto underlying_strftime;
# else
subfmt = L_("%a %b %e %H:%M:%S %Y");
# endif
#endif
subformat:
{
CHAR_T *old_start = p;
size_t len = my_strftime (NULL, (size_t) -1, subfmt,
tp extra_args LOCALE_ARG);
add (len, my_strftime (p, maxsize - i, subfmt,
tp extra_args LOCALE_ARG));
if (to_uppcase)
while (old_start < p)
{
*old_start = TOUPPER ((UCHAR_T) *old_start, loc);
++old_start;
}
}
break;
#if HAVE_STRFTIME && ! (defined _NL_CURRENT && HAVE_STRUCT_ERA_ENTRY)
underlying_strftime:
{
char ufmt[5];
char *u = ufmt;
char ubuf[1024];
size_t len;
# ifdef strftime
# undef strftime
size_t strftime ();
# endif
*u++ = ' ';
*u++ = '%';
if (modifier != 0)
*u++ = modifier;
*u++ = format_char;
*u = '\0';
len = strftime (ubuf, sizeof ubuf, ufmt, tp);
if (len != 0)
cpy (len - 1, ubuf + 1);
}
break;
#endif
case L_('C'):
if (modifier == L_('O'))
goto bad_format;
if (modifier == L_('E'))
{
#if HAVE_STRUCT_ERA_ENTRY
struct era_entry *era = _nl_get_era_entry (tp HELPER_LOCALE_ARG);
if (era)
{
# ifdef COMPILE_WIDE
size_t len = __wcslen (era->era_wname);
cpy (len, era->era_wname);
# else
size_t len = strlen (era->era_name);
cpy (len, era->era_name);
# endif
break;
}
#else
# if HAVE_STRFTIME
goto underlying_strftime;
# endif
#endif
}
{
int century = tp->tm_year / 100 + TM_YEAR_BASE / 100;
century -= tp->tm_year % 100 < 0 && 0 < century;
DO_SIGNED_NUMBER (2, tp->tm_year < - TM_YEAR_BASE, century);
}
case L_('x'):
if (modifier == L_('O'))
goto bad_format;
#ifdef _NL_CURRENT
if (! (modifier == L_('E')
&& (*(subfmt =
(const CHAR_T *)_NL_CURRENT (LC_TIME, NLW(ERA_D_FMT)))
!= L_('\0'))))
subfmt = (const CHAR_T *) _NL_CURRENT (LC_TIME, NLW(D_FMT));
goto subformat;
#else
# if HAVE_STRFTIME
goto underlying_strftime;
# else
# endif
#endif
case L_('D'):
if (modifier != 0)
goto bad_format;
subfmt = L_("%m/%d/%y");
goto subformat;
case L_('d'):
if (modifier == L_('E'))
goto bad_format;
DO_NUMBER (2, tp->tm_mday);
case L_('e'):
if (modifier == L_('E'))
goto bad_format;
DO_NUMBER_SPACEPAD (2, tp->tm_mday);
do_number_spacepad:
if (pad != L_('0') && pad != L_('-'))
pad = L_('_');
do_number:
negative_number = number_value < 0;
u_number_value = number_value;
do_signed_number:
if (modifier == L_('O') && !negative_number)
{
#ifdef _NL_CURRENT
const CHAR_T *cp = nl_get_alt_digit (u_number_value
HELPER_LOCALE_ARG);
if (cp != NULL)
{
size_t digitlen = STRLEN (cp);
if (digitlen != 0)
{
cpy (digitlen, cp);
break;
}
}
#else
# if HAVE_STRFTIME
goto underlying_strftime;
# endif
#endif
}
bufp = buf + sizeof (buf) / sizeof (buf[0]);
if (negative_number)
u_number_value = - u_number_value;
do
{
*--bufp = u_number_value % 10 + L_('0');
u_number_value /= 10;
}
while (u_number_value != 0);
do_number_sign_and_padding:
if (digits < width)
digits = width;
if (negative_number)
*--bufp = L_('-');
if (pad != L_('-'))
{
int padding = digits - (buf + (sizeof (buf) / sizeof (buf[0]))
- bufp);
if (padding > 0)
{
if (pad == L_('_'))
{
if ((size_t) padding >= maxsize - i)
return 0;
if (p)
memset_space (p, padding);
i += padding;
width = width > padding ? width - padding : 0;
}
else
{
if ((size_t) digits >= maxsize - i)
return 0;
if (negative_number)
{
++bufp;
if (p)
*p++ = L_('-');
++i;
}
if (p)
memset_zero (p, padding);
i += padding;
width = 0;
}
}
}
cpy (buf + sizeof (buf) / sizeof (buf[0]) - bufp, bufp);
break;
case L_('F'):
if (modifier != 0)
goto bad_format;
subfmt = L_("%Y-%m-%d");
goto subformat;
case L_('H'):
if (modifier == L_('E'))
goto bad_format;
DO_NUMBER (2, tp->tm_hour);
case L_('I'):
if (modifier == L_('E'))
goto bad_format;
DO_NUMBER (2, hour12);
case L_('k'):
if (modifier == L_('E'))
goto bad_format;
DO_NUMBER_SPACEPAD (2, tp->tm_hour);
case L_('l'):
if (modifier == L_('E'))
goto bad_format;
DO_NUMBER_SPACEPAD (2, hour12);
case L_('j'):
if (modifier == L_('E'))
goto bad_format;
DO_SIGNED_NUMBER (3, tp->tm_yday < -1, tp->tm_yday + 1U);
case L_('M'):
if (modifier == L_('E'))
goto bad_format;
DO_NUMBER (2, tp->tm_min);
case L_('m'):
if (modifier == L_('E'))
goto bad_format;
DO_SIGNED_NUMBER (2, tp->tm_mon < -1, tp->tm_mon + 1U);
#ifndef _LIBC
case L_('N'):
if (modifier == L_('E'))
goto bad_format;
number_value = ns;
if (width != -1)
{
int j;
for (j = width; j < 9; j++)
number_value /= 10;
}
DO_NUMBER (9, number_value);
#endif
case L_('n'):
add (1, *p = L_('\n'));
break;
case L_('P'):
to_lowcase = true;
#if !defined _NL_CURRENT && HAVE_STRFTIME
format_char = L_('p');
#endif
case L_('p'):
if (change_case)
{
to_uppcase = false;
to_lowcase = true;
}
#if defined _NL_CURRENT || !HAVE_STRFTIME
cpy (ap_len, ampm);
break;
#else
goto underlying_strftime;
#endif
case L_('R'):
subfmt = L_("%H:%M");
goto subformat;
case L_('r'):
#if !defined _NL_CURRENT && HAVE_STRFTIME
goto underlying_strftime;
#else
# ifdef _NL_CURRENT
if (*(subfmt = (const CHAR_T *) _NL_CURRENT (LC_TIME,
NLW(T_FMT_AMPM)))
== L_('\0'))
# endif
subfmt = L_("%I:%M:%S %p");
goto subformat;
#endif
case L_('S'):
if (modifier == L_('E'))
goto bad_format;
DO_NUMBER (2, tp->tm_sec);
case L_('s'):
{
struct tm ltm;
time_t t;
ltm = *tp;
t = mktime (<m);
bufp = buf + sizeof (buf) / sizeof (buf[0]);
negative_number = t < 0;
do
{
int d = t % 10;
t /= 10;
*--bufp = (negative_number ? -d : d) + L_('0');
}
while (t != 0);
digits = 1;
goto do_number_sign_and_padding;
}
case L_('X'):
if (modifier == L_('O'))
goto bad_format;
#ifdef _NL_CURRENT
if (! (modifier == L_('E')
&& (*(subfmt =
(const CHAR_T *) _NL_CURRENT (LC_TIME, NLW(ERA_T_FMT)))
!= L_('\0'))))
subfmt = (const CHAR_T *) _NL_CURRENT (LC_TIME, NLW(T_FMT));
goto subformat;
#else
# if HAVE_STRFTIME
goto underlying_strftime;
# else
# endif
#endif
case L_('T'):
subfmt = L_("%H:%M:%S");
goto subformat;
case L_('t'):
add (1, *p = L_('\t'));
break;
case L_('u'):
DO_NUMBER (1, (tp->tm_wday - 1 + 7) % 7 + 1);
case L_('U'):
if (modifier == L_('E'))
goto bad_format;
DO_NUMBER (2, (tp->tm_yday - tp->tm_wday + 7) / 7);
case L_('V'):
case L_('g'):
case L_('G'):
if (modifier == L_('E'))
goto bad_format;
{
int year = (tp->tm_year
+ (tp->tm_year < 0
? TM_YEAR_BASE % 400
: TM_YEAR_BASE % 400 - 400));
int year_adjust = 0;
int days = iso_week_days (tp->tm_yday, tp->tm_wday);
if (days < 0)
{
year_adjust = -1;
days = iso_week_days (tp->tm_yday + (365 + __isleap (year - 1)),
tp->tm_wday);
}
else
{
int d = iso_week_days (tp->tm_yday - (365 + __isleap (year)),
tp->tm_wday);
if (0 <= d)
{
year_adjust = 1;
days = d;
}
}
switch (*f)
{
case L_('g'):
{
int yy = (tp->tm_year % 100 + year_adjust) % 100;
DO_NUMBER (2, (0 <= yy
? yy
: tp->tm_year < -TM_YEAR_BASE - year_adjust
? -yy
: yy + 100));
}
case L_('G'):
DO_SIGNED_NUMBER (4, tp->tm_year < -TM_YEAR_BASE - year_adjust,
(tp->tm_year + (unsigned int) TM_YEAR_BASE
+ year_adjust));
default:
DO_NUMBER (2, days / 7 + 1);
}
}
case L_('W'):
if (modifier == L_('E'))
goto bad_format;
DO_NUMBER (2, (tp->tm_yday - (tp->tm_wday - 1 + 7) % 7 + 7) / 7);
case L_('w'):
if (modifier == L_('E'))
goto bad_format;
DO_NUMBER (1, tp->tm_wday);
case L_('Y'):
if (modifier == 'E')
{
#if HAVE_STRUCT_ERA_ENTRY
struct era_entry *era = _nl_get_era_entry (tp HELPER_LOCALE_ARG);
if (era)
{
# ifdef COMPILE_WIDE
subfmt = era->era_wformat;
# else
subfmt = era->era_format;
# endif
goto subformat;
}
#else
# if HAVE_STRFTIME
goto underlying_strftime;
# endif
#endif
}
if (modifier == L_('O'))
goto bad_format;
else
DO_SIGNED_NUMBER (4, tp->tm_year < -TM_YEAR_BASE,
tp->tm_year + (unsigned int) TM_YEAR_BASE);
case L_('y'):
if (modifier == L_('E'))
{
#if HAVE_STRUCT_ERA_ENTRY
struct era_entry *era = _nl_get_era_entry (tp HELPER_LOCALE_ARG);
if (era)
{
int delta = tp->tm_year - era->start_date[0];
DO_NUMBER (1, (era->offset
+ delta * era->absolute_direction));
}
#else
# if HAVE_STRFTIME
goto underlying_strftime;
# endif
#endif
}
{
int yy = tp->tm_year % 100;
if (yy < 0)
yy = tp->tm_year < - TM_YEAR_BASE ? -yy : yy + 100;
DO_NUMBER (2, yy);
}
case L_('Z'):
if (change_case)
{
to_uppcase = false;
to_lowcase = true;
}
#if HAVE_TZNAME
if (!(zone && *zone) && tp->tm_isdst >= 0)
zone = tzname[tp->tm_isdst != 0];
#endif
if (! zone)
zone = "";
#ifdef COMPILE_WIDE
{
wchar_t *wczone;
size_t len;
widen (zone, wczone, len);
cpy (len, wczone);
}
#else
cpy (strlen (zone), zone);
#endif
break;
case L_('z'):
if (tp->tm_isdst < 0)
break;
{
int diff;
#if HAVE_TM_GMTOFF
diff = tp->tm_gmtoff;
#else
if (ut)
diff = 0;
else
{
struct tm gtm;
struct tm ltm;
time_t lt;
ltm = *tp;
lt = mktime (<m);
if (lt == (time_t) -1)
{
struct tm tm;
if (! __localtime_r (<, &tm)
|| ((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 = L_('-'));
diff = -diff;
}
else
add (1, *p = L_('+'));
diff /= 60;
DO_NUMBER (4, (diff / 60) * 100 + diff % 60);
}
case L_('\0'):
--f;
default:
bad_format:
{
int flen;
for (flen = 1; f[1 - flen] != L_('%'); flen++)
continue;
cpy (flen, &f[1 - flen]);
}
break;
}
}
if (p && maxsize != 0)
*p = L_('\0');
return i;
}
#ifdef _LIBC
libc_hidden_def (my_strftime)
#endif
#ifdef emacs
size_t
emacs_strftimeu (char *s, size_t maxsize, const char *format,
const struct tm *tp, int ut)
{
return my_strftime (s, maxsize, format, tp, ut, 0);
}
#endif