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author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-01-20 10:55:18 +0000 |
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committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-01-20 10:55:18 +0000 |
commit | 70e9163c9c18e995515598085cb824e554eb7ae7 (patch) | |
tree | a42dc8b2a6c031354bf31472de888bfc8a060132 /lib/strftime.c | |
parent | cbf5993c43f49281173f185863577d86bfac6eae (diff) | |
download | coreutils-tarball-master.tar.gz |
coreutils-8.25HEADcoreutils-8.25master
Diffstat (limited to 'lib/strftime.c')
-rw-r--r-- | lib/strftime.c | 1857 |
1 files changed, 930 insertions, 927 deletions
diff --git a/lib/strftime.c b/lib/strftime.c index 1c202c9..10d3eb4 100644 --- a/lib/strftime.c +++ b/lib/strftime.c @@ -1,64 +1,64 @@ -/* Copyright (C) 1991-1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007 Free Software - Foundation, Inc. +/* Copyright (C) 1991-2001, 2003-2007, 2009-2016 Free Software Foundation, Inc. NOTE: The canonical source of this file is maintained with the GNU C Library. Bugs can be reported to bug-glibc@prep.ai.mit.edu. - This program is free software; you can redistribute it and/or modify + This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. This program 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 General Public License for more details. - You should have received a copy of the GNU General Public License along - with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ #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" #else # include <config.h> # if FPRINTFTIME # include "fprintftime.h" +# else +# include "strftime.h" # endif +# include "time-internal.h" #endif #include <ctype.h> #include <time.h> -#if HAVE_TZNAME && ! defined tzname +#if HAVE_TZNAME && !HAVE_DECL_TZNAME extern char *tzname[]; #endif -/* Do multibyte processing if multibytes are supported, unless +/* Do multibyte processing if multibyte encodings 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) + conversion specifications. The multibyte encodings used by the + C library on the various platforms (UTF-8, GB2312, GBK, CP936, + GB18030, EUC-TW, BIG5, BIG5-HKSCS, CP950, EUC-JP, EUC-KR, CP949, + SHIFT_JIS, CP932, JOHAB) are safe for formats, because the byte '%' + cannot occur in a multibyte character except in the first byte. + + The DEC-HANYU encoding used on OSF/1 is not safe for formats, but + this encoding has never been seen in real-life use, so we ignore + it. */ +#if !(defined __osf__ && 0) +# define MULTIBYTE_IS_FORMAT_SAFE 1 +#endif +#define DO_MULTIBYTE (! 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 +# include <wchar.h> static const mbstate_t mbstate_zero; #endif @@ -87,13 +87,6 @@ extern char *tzname[]; # 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 /* Shift A right by B bits portably, by dividing A by 2**B and @@ -106,9 +99,9 @@ extern char *tzname[]; implementations (e.g., UNICOS 9.0 on a Cray Y-MP EL) don't shift right in the usual way when A < 0, so SHR falls back on division if ordinary A >> B doesn't seem to be the usual signed shift. */ -#define SHR(a, b) \ - (-1 >> 1 == -1 \ - ? (a) >> (b) \ +#define SHR(a, b) \ + (-1 >> 1 == -1 \ + ? (a) >> (b) \ : (a) / (1 << (b)) - ((a) % (1 << (b)) < 0)) /* Bound on length of the string representing an integer type or expression T. @@ -123,28 +116,17 @@ extern char *tzname[]; #ifndef __isleap /* Nonzero if YEAR is a leap year (every 4 years, except every 100th isn't, and every 400th is). */ -# define __isleap(year) \ +# define __isleap(year) \ ((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0)) #endif #ifdef _LIBC +# define mktime_z(tz, tm) mktime (tm) # define tzname __tzname # define tzset __tzset #endif -#if !HAVE_TM_GMTOFF -/* Portable standalone applications should supply a "time.h" that - declares a POSIX-compliant localtime_r, for the benefit of older - implementations that lack localtime_r or have a nonstandard one. - See the gnulib time_r module for one way to implement this. */ -# undef __gmtime_r -# undef __localtime_r -# define __gmtime_r gmtime_r -# define __localtime_r localtime_r -#endif - - #ifndef FPRINTFTIME # define FPRINTFTIME 0 #endif @@ -176,27 +158,28 @@ extern char *tzname[]; # define advance(P, N) ((P) += (N)) #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 (digits == 0 && _delta > 0) \ - { \ - if (pad == L_('0')) \ - memset_zero (p, _delta); \ - else \ - memset_space (p, _delta); \ - } \ - f; \ - advance (p, _n); \ - } \ - i += _incr; \ +#define add(n, f) \ + do \ + { \ + size_t _n = (n); \ + size_t _w = (width < 0 ? 0 : width); \ + size_t _incr = _n < _w ? _w : _n; \ + if (_incr >= maxsize - i) \ + return 0; \ + if (p) \ + { \ + if (digits == 0 && _n < _w) \ + { \ + size_t _delta = width - _n; \ + if (pad == L_('0')) \ + memset_zero (p, _delta); \ + else \ + memset_space (p, _delta); \ + } \ + f; \ + advance (p, _n); \ + } \ + i += _incr; \ } while (0) #if FPRINTFTIME @@ -207,22 +190,34 @@ extern char *tzname[]; #if FPRINTFTIME # define cpy(n, s) \ - add ((n), \ - if (to_lowcase) \ - fwrite_lowcase (p, (s), _n); \ - else if (to_uppcase) \ - fwrite_uppcase (p, (s), _n); \ - else \ - fwrite ((s), _n, 1, p)) + add ((n), \ + do \ + { \ + if (to_lowcase) \ + fwrite_lowcase (p, (s), _n); \ + else if (to_uppcase) \ + fwrite_uppcase (p, (s), _n); \ + else \ + { \ + /* Ignore the value of fwrite. The caller can determine whether \ + an error occurred by inspecting ferror (P). All known fwrite \ + implementations set the stream's error indicator when they \ + fail due to ENOMEM etc., even though C11 and POSIX.1-2008 do \ + not require this. */ \ + fwrite (s, _n, 1, p); \ + } \ + } \ + while (0) \ + ) #else -# 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)) +# 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)) #endif #ifdef COMPILE_WIDE @@ -231,13 +226,13 @@ extern char *tzname[]; # 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); \ + { \ + 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 @@ -247,8 +242,8 @@ extern char *tzname[]; function gets as an additional argument the locale which has to be used. To access the values we have to redefine the _NL_CURRENT macro. */ -# define strftime __strftime_l -# define wcsftime __wcsftime_l +# define strftime __strftime_l +# define wcsftime __wcsftime_l # undef _NL_CURRENT # define _NL_CURRENT(category, item) \ (current->values[_NL_ITEM_INDEX (item)].string) @@ -282,7 +277,7 @@ extern char *tzname[]; # define TOLOWER(Ch, L) tolower (Ch) # endif #endif -/* We don't use `isdigit' here since the locale dependent +/* 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. */ @@ -311,7 +306,7 @@ fwrite_uppcase (FILE *fp, const CHAR_T *src, size_t len) #else static CHAR_T * memcpy_lowcase (CHAR_T *dest, const CHAR_T *src, - size_t len LOCALE_PARAM_PROTO) + size_t len LOCALE_PARAM_PROTO) { while (len-- > 0) dest[len] = TOLOWER ((UCHAR_T) src[len], loc); @@ -320,7 +315,7 @@ memcpy_lowcase (CHAR_T *dest, const CHAR_T *src, static CHAR_T * memcpy_uppcase (CHAR_T *dest, const CHAR_T *src, - size_t len LOCALE_PARAM_PROTO) + size_t len LOCALE_PARAM_PROTO) { while (len-- > 0) dest[len] = TOUPPER ((UCHAR_T) src[len], loc); @@ -348,10 +343,10 @@ tm_diff (const struct tm *a, const struct tm *b) 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)); + + (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)); + + (a->tm_min - b->tm_min)) + + (a->tm_sec - b->tm_sec)); } #endif /* ! HAVE_TM_GMTOFF */ @@ -373,19 +368,14 @@ iso_week_days (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); + - (yday - wday + ISO_WEEK1_WDAY + big_enough_multiple_of_7) % 7 + + ISO_WEEK1_WDAY - ISO_WEEK_START_WDAY); } /* When compiling this file, GNU applications can #define my_strftime to a symbol (typically nstrftime) to get an extended strftime with - extra arguments UT and NS. Emacs is a special case for now, but - this Emacs-specific code can be removed once Emacs's config.h - defines my_strftime. */ -#if defined emacs && !defined my_strftime -# define my_strftime nstrftime -#endif + extra arguments TZ and NS. */ #if FPRINTFTIME # undef my_strftime @@ -393,8 +383,9 @@ iso_week_days (int yday, int wday) #endif #ifdef my_strftime -# define extra_args , ut, ns -# define extra_args_spec , int ut, int ns +# undef HAVE_TZSET +# define extra_args , tz, ns +# define extra_args_spec , timezone_t tz, int ns #else # if defined COMPILE_WIDE # define my_strftime wcsftime @@ -406,7 +397,7 @@ iso_week_days (int yday, int wday) # define extra_args # define extra_args_spec /* We don't have this information in general. */ -# define ut 0 +# define tz 1 # define ns 0 #endif @@ -415,9 +406,9 @@ iso_week_days (int yday, int wday) to indicate that the result should be converted to upper case. */ static size_t strftime_case_ (bool upcase, STREAM_OR_CHAR_T *s, - STRFTIME_ARG (size_t maxsize) - const CHAR_T *format, - const struct tm *tp extra_args_spec LOCALE_PARAM_PROTO) + STRFTIME_ARG (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]; @@ -430,7 +421,7 @@ strftime_case_ (bool upcase, STREAM_OR_CHAR_T *s, #ifdef _NL_CURRENT /* We cannot make the following values variables since we must delay the evaluation of these values until really needed since some - expressions might not be valid in every situation. The `struct tm' + expressions might not be valid in every situation. The 'struct tm' might be generated by a strptime() call that initialized only a few elements. Dereference the pointers only if the format requires this. Then it is ok to fail if the pointers are invalid. */ @@ -443,13 +434,16 @@ strftime_case_ (bool upcase, STREAM_OR_CHAR_T *s, # 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))) + ((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) #endif +#if HAVE_TZNAME + char **tzname_vec = tzname; +#endif const char *zone; size_t i = 0; STREAM_OR_CHAR_T *p = s; @@ -478,20 +472,29 @@ strftime_case_ (bool upcase, STREAM_OR_CHAR_T *s, zone = (const char *) tp->tm_zone; #endif #if HAVE_TZNAME - if (ut) + if (!tz) { if (! (zone && *zone)) - zone = "GMT"; + zone = "GMT"; } else { +# if !HAVE_TM_ZONE + /* Infer the zone name from *TZ instead of from TZNAME. */ + tzname_vec = tz->tzname_copy; +# endif /* POSIX.1 requires that local time zone information be used as - though strftime called tzset. */ + though strftime called tzset. */ # if HAVE_TZSET tzset (); # endif } + /* The tzset() call might have changed the value. */ + if (!(zone && *zone) && tp->tm_isdst >= 0) + zone = tzname_vec[tp->tm_isdst != 0]; #endif + if (! zone) + zone = ""; if (hour12 > 12) hour12 -= 12; @@ -501,22 +504,22 @@ strftime_case_ (bool upcase, STREAM_OR_CHAR_T *s, for (f = format; *f != '\0'; ++f) { - int pad = 0; /* Padding for number ('-', '_', or 0). */ - int modifier; /* Field modifier ('E', 'O', or 0). */ - int digits = 0; /* Max digits for numeric format. */ - int number_value; /* Numeric value to be printed. */ + int pad = 0; /* Padding for number ('-', '_', or 0). */ + int modifier; /* Field modifier ('E', 'O', or 0). */ + int digits = 0; /* Max digits for numeric format. */ + int number_value; /* Numeric value to be printed. */ unsigned int u_number_value; /* (unsigned int) number_value. */ - bool negative_number; /* The number is negative. */ + bool negative_number; /* The number is negative. */ bool always_output_a_sign; /* +/- should always be output. */ - int tz_colon_mask; /* Bitmask of where ':' should appear. */ + int tz_colon_mask; /* Bitmask of where ':' should appear. */ const CHAR_T *subfmt; CHAR_T sign_char; CHAR_T *bufp; CHAR_T buf[1 - + 2 /* for the two colons in a %::z or %:::z time zone */ - + (sizeof (int) < sizeof (time_t) - ? INT_STRLEN_BOUND (time_t) - : INT_STRLEN_BOUND (int))]; + + 2 /* for the two colons in a %::z or %:::z time zone */ + + (sizeof (int) < sizeof (time_t) + ? INT_STRLEN_BOUND (time_t) + : INT_STRLEN_BOUND (int))]; int width = -1; bool to_lowcase = false; bool to_uppcase = upcase; @@ -526,900 +529,912 @@ strftime_case_ (bool upcase, STREAM_OR_CHAR_T *s, #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_('~'): - /* 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. */ - add1 (*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; - 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; - } - } + { + 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_('~'): + /* 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. */ + add1 (*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; + 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 /* ! DO_MULTIBYTE */ /* Either multibyte encodings are not supported, they are - safe for formats, so any non-'%' byte can be copied through, - or this is the wide character version. */ + safe for formats, so any non-'%' byte can be copied through, + or this is the wide character version. */ if (*f != L_('%')) - { - add1 (*f); - continue; - } + { + add1 (*f); + continue; + } #endif /* ! DO_MULTIBYTE */ /* Check for flags that can modify a format. */ while (1) - { - switch (*++f) - { - /* This influences the number formats. */ - case L_('_'): - case L_('-'): - case L_('0'): - pad = *f; - continue; - - /* This changes textual output. */ - case L_('^'): - to_uppcase = true; - continue; - case L_('#'): - change_case = true; - continue; - - default: - break; - } - break; - } + { + switch (*++f) + { + /* This influences the number formats. */ + case L_('_'): + case L_('-'): + case L_('0'): + pad = *f; + continue; + + /* This changes textual output. */ + case L_('^'): + to_uppcase = true; + continue; + case L_('#'): + change_case = true; + continue; + + default: + break; + } + break; + } /* As a GNU extension we allow to specify the field width. */ if (ISDIGIT (*f)) - { - width = 0; - do - { - if (width > INT_MAX / 10 - || (width == INT_MAX / 10 && *f - L_('0') > INT_MAX % 10)) - /* Avoid overflow. */ - width = INT_MAX; - else - { - width *= 10; - width += *f - L_('0'); - } - ++f; - } - while (ISDIGIT (*f)); - } + { + width = 0; + do + { + if (width > INT_MAX / 10 + || (width == INT_MAX / 10 && *f - L_('0') > INT_MAX % 10)) + /* Avoid overflow. */ + width = INT_MAX; + else + { + width *= 10; + width += *f - L_('0'); + } + ++f; + } + while (ISDIGIT (*f)); + } /* Check for modifiers. */ switch (*f) - { - case L_('E'): - case L_('O'): - modifier = *f++; - break; + { + case L_('E'): + case L_('O'): + modifier = *f++; + break; - default: - modifier = 0; - break; - } + default: + modifier = 0; + break; + } /* Now do the specified format. */ format_char = *f; switch (format_char) - { + { #define DO_NUMBER(d, v) \ - digits = d; \ - number_value = v; goto do_number + do \ + { \ + digits = d; \ + number_value = v; \ + goto do_number; \ + } \ + while (0) #define DO_SIGNED_NUMBER(d, negative, v) \ - digits = d; \ - negative_number = negative; \ - u_number_value = v; goto do_signed_number - - /* The mask is not what you might think. - When the ordinal i'th bit is set, insert a colon - before the i'th digit of the time zone representation. */ + do \ + { \ + digits = d; \ + negative_number = negative; \ + u_number_value = v; \ + goto do_signed_number; \ + } \ + while (0) + + /* The mask is not what you might think. + When the ordinal i'th bit is set, insert a colon + before the i'th digit of the time zone representation. */ #define DO_TZ_OFFSET(d, negative, mask, v) \ - digits = d; \ - negative_number = negative; \ - tz_colon_mask = mask; \ - u_number_value = v; goto do_tz_offset + do \ + { \ + digits = d; \ + negative_number = negative; \ + tz_colon_mask = mask; \ + u_number_value = v; \ + goto do_tz_offset; \ + } \ + while (0) #define DO_NUMBER_SPACEPAD(d, v) \ - digits = d; \ - number_value = v; goto do_number_spacepad - - case L_('%'): - if (modifier != 0) - goto bad_format; - add1 (*f); - break; - - case L_('a'): - if (modifier != 0) - goto bad_format; - if (change_case) - { - to_uppcase = true; - to_lowcase = false; - } + do \ + { \ + digits = d; \ + number_value = v; \ + goto do_number_spacepad; \ + } \ + while (0) + + case L_('%'): + if (modifier != 0) + goto bad_format; + add1 (*f); + break; + + case L_('a'): + if (modifier != 0) + goto bad_format; + if (change_case) + { + to_uppcase = true; + to_lowcase = false; + } #ifdef _NL_CURRENT - cpy (aw_len, a_wkday); - break; + cpy (aw_len, a_wkday); + break; #else - goto underlying_strftime; + goto underlying_strftime; #endif - case 'A': - if (modifier != 0) - goto bad_format; - if (change_case) - { - to_uppcase = true; - to_lowcase = false; - } + case 'A': + if (modifier != 0) + goto bad_format; + if (change_case) + { + to_uppcase = true; + to_lowcase = false; + } #ifdef _NL_CURRENT - cpy (STRLEN (f_wkday), f_wkday); - break; + cpy (STRLEN (f_wkday), f_wkday); + break; #else - goto underlying_strftime; + 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; + case L_('b'): + case L_('h'): + if (change_case) + { + to_uppcase = true; + to_lowcase = false; + } + if (modifier != 0) + goto bad_format; #ifdef _NL_CURRENT - cpy (am_len, a_month); - break; + cpy (am_len, a_month); + break; #else - goto underlying_strftime; + goto underlying_strftime; #endif - case L_('B'): - if (modifier != 0) - goto bad_format; - if (change_case) - { - to_uppcase = true; - to_lowcase = false; - } + case L_('B'): + if (modifier != 0) + goto bad_format; + if (change_case) + { + to_uppcase = true; + to_lowcase = false; + } #ifdef _NL_CURRENT - cpy (STRLEN (f_month), f_month); - break; + cpy (STRLEN (f_month), f_month); + break; #else - goto underlying_strftime; + goto underlying_strftime; #endif - case L_('c'): - if (modifier == L_('O')) - goto bad_format; + 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)); + 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 - goto underlying_strftime; + goto underlying_strftime; #endif - subformat: - { - size_t len = strftime_case_ (to_uppcase, - NULL, STRFTIME_ARG ((size_t) -1) - subfmt, - tp extra_args LOCALE_ARG); - add (len, strftime_case_ (to_uppcase, p, - STRFTIME_ARG (maxsize - i) - subfmt, - tp extra_args LOCALE_ARG)); - } - break; + subformat: + { + size_t len = strftime_case_ (to_uppcase, + NULL, STRFTIME_ARG ((size_t) -1) + subfmt, + tp extra_args LOCALE_ARG); + add (len, strftime_case_ (to_uppcase, p, + STRFTIME_ARG (maxsize - i) + subfmt, + tp extra_args LOCALE_ARG)); + } + break; #if !(defined _NL_CURRENT && HAVE_STRUCT_ERA_ENTRY) - underlying_strftime: - { - /* The relevant information is available only via the - underlying strftime implementation, so use that. */ - char ufmt[5]; - char *u = ufmt; - char ubuf[1024]; /* enough for any single format in practice */ - size_t len; - /* Make sure we're calling the actual underlying strftime. - In some cases, config.h contains something like - "#define strftime rpl_strftime". */ + underlying_strftime: + { + /* The relevant information is available only via the + underlying strftime implementation, so use that. */ + char ufmt[5]; + char *u = ufmt; + char ubuf[1024]; /* enough for any single format in practice */ + size_t len; + /* Make sure we're calling the actual underlying strftime. + In some cases, config.h contains something like + "#define strftime rpl_strftime". */ # ifdef strftime # undef strftime - size_t strftime (); + size_t strftime (); # endif - /* The space helps distinguish strftime failure from empty - output. */ - *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; + /* The space helps distinguish strftime failure from empty + output. */ + *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')) - { + 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) - { + 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); + 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); + size_t len = strlen (era->era_name); + cpy (len, era->era_name); # endif - break; - } + break; + } #else - goto underlying_strftime; + goto underlying_strftime; #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); - } + { + 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; + 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; + 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 - goto underlying_strftime; + goto underlying_strftime; #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); - - /* All numeric formats set DIGITS and NUMBER_VALUE (or U_NUMBER_VALUE) - and then jump to one of these labels. */ - - do_tz_offset: - always_output_a_sign = true; - goto do_number_body; - - do_number_spacepad: - /* Force `_' flag unless overridden by `0' or `-' flag. */ - if (pad != L_('0') && pad != L_('-')) - pad = L_('_'); - - do_number: - /* Format NUMBER_VALUE according to the MODIFIER flag. */ - negative_number = number_value < 0; - u_number_value = number_value; - - do_signed_number: - always_output_a_sign = false; - tz_colon_mask = 0; - - do_number_body: - /* Format U_NUMBER_VALUE according to the MODIFIER flag. - NEGATIVE_NUMBER is nonzero if the original number was - negative; in this case it was converted directly to - unsigned int (i.e., modulo (UINT_MAX + 1)) without - negating it. */ - if (modifier == L_('O') && !negative_number) - { + 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); + + /* All numeric formats set DIGITS and NUMBER_VALUE (or U_NUMBER_VALUE) + and then jump to one of these labels. */ + + do_tz_offset: + always_output_a_sign = true; + goto do_number_body; + + do_number_spacepad: + /* Force '_' flag unless overridden by '0' or '-' flag. */ + if (pad != L_('0') && pad != L_('-')) + pad = L_('_'); + + do_number: + /* Format NUMBER_VALUE according to the MODIFIER flag. */ + negative_number = number_value < 0; + u_number_value = number_value; + + do_signed_number: + always_output_a_sign = false; + tz_colon_mask = 0; + + do_number_body: + /* Format U_NUMBER_VALUE according to the MODIFIER flag. + NEGATIVE_NUMBER is nonzero if the original number was + negative; in this case it was converted directly to + unsigned int (i.e., modulo (UINT_MAX + 1)) without + negating it. */ + if (modifier == L_('O') && !negative_number) + { #ifdef _NL_CURRENT - /* Get the locale specific alternate representation of - the number. If none exist NULL is returned. */ - 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; - } - } + /* Get the locale specific alternate representation of + the number. If none exist NULL is returned. */ + 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 - goto underlying_strftime; + goto underlying_strftime; #endif - } - - bufp = buf + sizeof (buf) / sizeof (buf[0]); - - if (negative_number) - u_number_value = - u_number_value; - - do - { - if (tz_colon_mask & 1) - *--bufp = ':'; - tz_colon_mask >>= 1; - *--bufp = u_number_value % 10 + L_('0'); - u_number_value /= 10; - } - while (u_number_value != 0 || tz_colon_mask != 0); - - do_number_sign_and_padding: - if (digits < width) - digits = width; - - sign_char = (negative_number ? L_('-') - : always_output_a_sign ? L_('+') - : 0); - - if (pad == L_('-')) - { - if (sign_char) - add1 (sign_char); - } - else - { - int padding = digits - (buf + (sizeof (buf) / sizeof (buf[0])) - - bufp) - !!sign_char; - - 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; - if (sign_char) - add1 (sign_char); - } - else - { - if ((size_t) digits >= maxsize - i) - return 0; - - if (sign_char) - add1 (sign_char); - - if (p) - memset_zero (p, padding); - i += padding; - width = 0; - } - } - else - { - if (sign_char) - add1 (sign_char); - } - } - - 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'): /* GNU extension. */ - if (modifier == L_('E')) - goto bad_format; - - DO_NUMBER_SPACEPAD (2, tp->tm_hour); - - case L_('l'): /* GNU extension. */ - 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); + } + + bufp = buf + sizeof (buf) / sizeof (buf[0]); + + if (negative_number) + u_number_value = - u_number_value; + + do + { + if (tz_colon_mask & 1) + *--bufp = ':'; + tz_colon_mask >>= 1; + *--bufp = u_number_value % 10 + L_('0'); + u_number_value /= 10; + } + while (u_number_value != 0 || tz_colon_mask != 0); + + do_number_sign_and_padding: + if (digits < width) + digits = width; + + sign_char = (negative_number ? L_('-') + : always_output_a_sign ? L_('+') + : 0); + + if (pad == L_('-')) + { + if (sign_char) + add1 (sign_char); + } + else + { + int padding = digits - (buf + (sizeof (buf) / sizeof (buf[0])) + - bufp) - !!sign_char; + + 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; + if (sign_char) + add1 (sign_char); + } + else + { + if ((size_t) digits >= maxsize - i) + return 0; + + if (sign_char) + add1 (sign_char); + + if (p) + memset_zero (p, padding); + i += padding; + width = 0; + } + } + else + { + if (sign_char) + add1 (sign_char); + } + } + + 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'): /* GNU extension. */ + if (modifier == L_('E')) + goto bad_format; + + DO_NUMBER_SPACEPAD (2, tp->tm_hour); + + case L_('l'): /* GNU extension. */ + 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'): /* GNU extension. */ - if (modifier == L_('E')) - goto bad_format; - - number_value = ns; - if (width == -1) - width = 9; - else - { - /* Take an explicit width less than 9 as a precision. */ - int j; - for (j = width; j < 9; j++) - number_value /= 10; - } - - DO_NUMBER (width, number_value); + case L_('N'): /* GNU extension. */ + if (modifier == L_('E')) + goto bad_format; + + number_value = ns; + if (width == -1) + width = 9; + else + { + /* Take an explicit width less than 9 as a precision. */ + int j; + for (j = width; j < 9; j++) + number_value /= 10; + } + + DO_NUMBER (width, number_value); #endif - case L_('n'): - add1 (L_('\n')); - break; + case L_('n'): + add1 (L_('\n')); + break; - case L_('P'): - to_lowcase = true; + case L_('P'): + to_lowcase = true; #ifndef _NL_CURRENT - format_char = L_('p'); + format_char = L_('p'); #endif - /* FALLTHROUGH */ - - case L_('p'): - if (change_case) - { - to_uppcase = false; - to_lowcase = true; - } + /* FALLTHROUGH */ + + case L_('p'): + if (change_case) + { + to_uppcase = false; + to_lowcase = true; + } #ifdef _NL_CURRENT - cpy (ap_len, ampm); - break; + cpy (ap_len, ampm); + break; #else - goto underlying_strftime; + goto underlying_strftime; #endif - case L_('R'): - subfmt = L_("%H:%M"); - goto subformat; + case L_('R'): + subfmt = L_("%H:%M"); + goto subformat; - case L_('r'): + case L_('r'): #ifdef _NL_CURRENT - if (*(subfmt = (const CHAR_T *) _NL_CURRENT (LC_TIME, - NLW(T_FMT_AMPM))) - == L_('\0')) - subfmt = L_("%I:%M:%S %p"); - goto subformat; + if (*(subfmt = (const CHAR_T *) _NL_CURRENT (LC_TIME, + NLW(T_FMT_AMPM))) + == L_('\0')) + subfmt = L_("%I:%M:%S %p"); + goto subformat; #else - goto underlying_strftime; + goto underlying_strftime; #endif - case L_('S'): - if (modifier == L_('E')) - goto bad_format; + case L_('S'): + if (modifier == L_('E')) + goto bad_format; - DO_NUMBER (2, tp->tm_sec); + DO_NUMBER (2, tp->tm_sec); - case L_('s'): /* GNU extension. */ - { - struct tm ltm; - time_t t; + case L_('s'): /* GNU extension. */ + { + struct tm ltm; + time_t t; - ltm = *tp; - t = mktime (<m); + ltm = *tp; + t = mktime_z (tz, <m); - /* Generate string value for T using time_t arithmetic; - this works even if sizeof (long) < sizeof (time_t). */ + /* Generate string value for T using time_t arithmetic; + this works even if sizeof (long) < sizeof (time_t). */ - bufp = buf + sizeof (buf) / sizeof (buf[0]); - negative_number = t < 0; + 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); + do + { + int d = t % 10; + t /= 10; + *--bufp = (negative_number ? -d : d) + L_('0'); + } + while (t != 0); - digits = 1; - always_output_a_sign = false; - goto do_number_sign_and_padding; - } + digits = 1; + always_output_a_sign = false; + goto do_number_sign_and_padding; + } - case L_('X'): - if (modifier == L_('O')) - goto bad_format; + 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; + 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 - goto underlying_strftime; + goto underlying_strftime; #endif - case L_('T'): - subfmt = L_("%H:%M:%S"); - goto subformat; - - case L_('t'): - add1 (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; - { - /* YEAR is a leap year if and only if (tp->tm_year + TM_YEAR_BASE) - is a leap year, except that YEAR and YEAR - 1 both work - correctly even when (tp->tm_year + TM_YEAR_BASE) would - overflow. */ - 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) - { - /* This ISO week belongs to the previous year. */ - 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) - { - /* This ISO week belongs to the next year. */ - 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') - { + case L_('T'): + subfmt = L_("%H:%M:%S"); + goto subformat; + + case L_('t'): + add1 (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; + { + /* YEAR is a leap year if and only if (tp->tm_year + TM_YEAR_BASE) + is a leap year, except that YEAR and YEAR - 1 both work + correctly even when (tp->tm_year + TM_YEAR_BASE) would + overflow. */ + 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) + { + /* This ISO week belongs to the previous year. */ + 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) + { + /* This ISO week belongs to the next year. */ + 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) - { + struct era_entry *era = _nl_get_era_entry (tp HELPER_LOCALE_ARG); + if (era) + { # ifdef COMPILE_WIDE - subfmt = era->era_wformat; + subfmt = era->era_wformat; # else - subfmt = era->era_format; + subfmt = era->era_format; # endif - goto subformat; - } + goto subformat; + } #else - goto underlying_strftime; + goto underlying_strftime; #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 (modifier == L_('O')) + goto bad_format; + + 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)); - } + 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 - goto underlying_strftime; -#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 - /* The tzset() call might have changed the value. */ - if (!(zone && *zone) && tp->tm_isdst >= 0) - zone = tzname[tp->tm_isdst != 0]; + goto underlying_strftime; #endif - if (! zone) - zone = ""; + } + + { + 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; + } #ifdef COMPILE_WIDE - { - /* The zone string is always given in multibyte form. We have - to transform it first. */ - wchar_t *wczone; - size_t len; - widen (zone, wczone, len); - cpy (len, wczone); - } + { + /* The zone string is always given in multibyte form. We have + to transform it first. */ + wchar_t *wczone; + size_t len; + widen (zone, wczone, len); + cpy (len, wczone); + } #else - cpy (strlen (zone), zone); + cpy (strlen (zone), zone); #endif - break; - - case L_(':'): - /* :, ::, and ::: are valid only just before 'z'. - :::: etc. are rejected later. */ - for (colons = 1; f[colons] == L_(':'); colons++) - continue; - if (f[colons] != L_('z')) - goto bad_format; - f += colons; - goto do_z_conversion; - - case L_('z'): - colons = 0; - - do_z_conversion: - if (tp->tm_isdst < 0) - break; - - { - int diff; - int hour_diff; - int min_diff; - int sec_diff; + break; + + case L_(':'): + /* :, ::, and ::: are valid only just before 'z'. + :::: etc. are rejected later. */ + for (colons = 1; f[colons] == L_(':'); colons++) + continue; + if (f[colons] != L_('z')) + goto bad_format; + f += colons; + goto do_z_conversion; + + case L_('z'): + colons = 0; + + do_z_conversion: + if (tp->tm_isdst < 0) + break; + + { + int diff; + int hour_diff; + int min_diff; + int sec_diff; #if HAVE_TM_GMTOFF - diff = tp->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) - { - /* mktime returns -1 for errors, but -1 is also a - valid time_t value. Check whether an error really - occurred. */ - 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); - } + if (!tz) + diff = 0; + else + { + struct tm gtm; + struct tm ltm; + time_t lt; + + ltm = *tp; + lt = mktime_z (tz, <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; + + if (! localtime_rz (tz, <, &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 (! localtime_rz (0, <, >m)) + break; + + diff = tm_diff (<m, >m); + } #endif - hour_diff = diff / 60 / 60; - min_diff = diff / 60 % 60; - sec_diff = diff % 60; - - switch (colons) - { - case 0: /* +hhmm */ - DO_TZ_OFFSET (5, diff < 0, 0, hour_diff * 100 + min_diff); - - case 1: tz_hh_mm: /* +hh:mm */ - DO_TZ_OFFSET (6, diff < 0, 04, hour_diff * 100 + min_diff); - - case 2: tz_hh_mm_ss: /* +hh:mm:ss */ - DO_TZ_OFFSET (9, diff < 0, 024, - hour_diff * 10000 + min_diff * 100 + sec_diff); - - case 3: /* +hh if possible, else +hh:mm, else +hh:mm:ss */ - if (sec_diff != 0) - goto tz_hh_mm_ss; - if (min_diff != 0) - goto tz_hh_mm; - DO_TZ_OFFSET (3, diff < 0, 0, hour_diff); - - default: - goto bad_format; - } - } - - case L_('\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] != L_('%'); flen++) - continue; - cpy (flen, &f[1 - flen]); - } - break; - } + hour_diff = diff / 60 / 60; + min_diff = diff / 60 % 60; + sec_diff = diff % 60; + + switch (colons) + { + case 0: /* +hhmm */ + DO_TZ_OFFSET (5, diff < 0, 0, hour_diff * 100 + min_diff); + + case 1: tz_hh_mm: /* +hh:mm */ + DO_TZ_OFFSET (6, diff < 0, 04, hour_diff * 100 + min_diff); + + case 2: tz_hh_mm_ss: /* +hh:mm:ss */ + DO_TZ_OFFSET (9, diff < 0, 024, + hour_diff * 10000 + min_diff * 100 + sec_diff); + + case 3: /* +hh if possible, else +hh:mm, else +hh:mm:ss */ + if (sec_diff != 0) + goto tz_hh_mm_ss; + if (min_diff != 0) + goto tz_hh_mm; + DO_TZ_OFFSET (3, diff < 0, 0, hour_diff); + + default: + goto bad_format; + } + } + + case L_('\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] != L_('%'); flen++) + continue; + cpy (flen, &f[1 - flen]); + } + break; + } } #if ! FPRINTFTIME @@ -1438,25 +1453,13 @@ strftime_case_ (bool upcase, STREAM_OR_CHAR_T *s, written, use NULL for S and (size_t) -1 for MAXSIZE. */ size_t my_strftime (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize) - const CHAR_T *format, - const struct tm *tp extra_args_spec LOCALE_PARAM_PROTO) + const CHAR_T *format, + const struct tm *tp extra_args_spec LOCALE_PARAM_PROTO) { return strftime_case_ (false, s, STRFTIME_ARG (maxsize) - format, tp extra_args LOCALE_ARG); + format, tp extra_args LOCALE_ARG); } #if defined _LIBC && ! FPRINTFTIME libc_hidden_def (my_strftime) #endif - - -#if defined emacs && ! FPRINTFTIME -/* For Emacs we have a separate interface which corresponds to the normal - strftime function plus the ut argument, but without the ns argument. */ -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 |