X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/6e396aa6460ca9ad8909d3b91f18c06b777240e3..974aae61bbb8c05e0d0fc1a95b419fe596423fd8:/src/strftime.c diff --git a/src/strftime.c b/src/strftime.c index e7a87a9bf8..41566ec868 100644 --- a/src/strftime.c +++ b/src/strftime.c @@ -1,20 +1,25 @@ -/* Copyright (C) 1991,92,93,94,95,96,97,98,99,2000 Free Software Foundation, Inc. +/* Copyright (C) 1991,92,93,94,95,96,97,98,99,2000,2003 + Free Software Foundation, Inc. + + NOTE: The canonical source of this file is maintained with gnulib. + Bugs can be reported to bug-gnulib@gnu.org. + This file is part of the GNU Emacs. - 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. + This program 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, or + (at your option) any later version. - The GNU C Library is distributed in the hope that it will be useful, + 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 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. */ + write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. */ #ifdef HAVE_CONFIG_H # include @@ -34,12 +39,8 @@ # include "../locale/localeinfo.h" #endif -#if defined emacs && !defined HAVE_BCOPY -# define HAVE_MEMCPY 1 -#endif - #include -#include /* Some systems define `time_t' here. */ +#include /* Some systems define `time_t' here. */ #ifdef TIME_WITH_SYS_TIME # include @@ -68,6 +69,9 @@ extern char *tzname[]; #if DO_MULTIBYTE # if HAVE_MBRLEN # include +# ifdef HAVE_SYS__MBSTATE_H /* previously tested __hpux */ +# include +# endif # if !defined (mbsinit) && !defined (HAVE_MBSINIT) # define mbsinit(ps) 1 # endif /* !defined (mbsinit) && !defined (HAVE_MBSINIT) */ @@ -87,6 +91,7 @@ extern char *tzname[]; #ifdef STDC_HEADERS # include # include +# include #else # ifndef HAVE_MEMCPY # define memcpy(d, s, n) bcopy ((s), (d), (n)) @@ -126,9 +131,7 @@ extern char *tzname[]; #endif #ifndef __P -# if defined emacs && defined PROTOTYPES -# define __P(args) args -# elif defined __GNUC__ || (defined __STDC__ && __STDC__) +# if defined __GNUC__ || (defined __STDC__ && __STDC__) || defined (PROTOTYPES) # define __P(args) args # else # define __P(args) () @@ -166,7 +169,7 @@ 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 @@ -195,7 +198,6 @@ my_strftime_gmtime_r (t, tp) *tp = *l; return tp; } -# endif /* ! HAVE_TM_GMTOFF */ static struct tm *my_strftime_localtime_r __P ((const time_t *, struct tm *)); static struct tm * @@ -209,6 +211,7 @@ my_strftime_localtime_r (t, tp) *tp = *l; return tp; } +# endif /* ! HAVE_TM_GMTOFF */ #endif /* ! defined _LIBC */ @@ -229,29 +232,29 @@ static const CHAR_T zeroes[16] = /* "0000000000000000" */ }; # define memset_space(P, Len) \ - do { \ - int _len = (Len); \ - \ - do \ - { \ - int _this = _len > 16 ? 16 : _len; \ - (P) = MEMPCPY ((P), spaces, _this * sizeof (CHAR_T)); \ - _len -= _this; \ - } \ - while (_len > 0); \ + do { \ + int _len = (Len); \ + \ + do \ + { \ + int _this = _len > 16 ? 16 : _len; \ + (P) = MEMPCPY ((P), spaces, _this * sizeof (CHAR_T)); \ + _len -= _this; \ + } \ + while (_len > 0); \ } while (0) # define memset_zero(P, Len) \ - do { \ - int _len = (Len); \ - \ - do \ - { \ - int _this = _len > 16 ? 16 : _len; \ - (P) = MEMPCPY ((P), zeroes, _this * sizeof (CHAR_T)); \ - _len -= _this; \ - } \ - while (_len > 0); \ + do { \ + int _len = (Len); \ + \ + do \ + { \ + int _this = _len > 16 ? 16 : _len; \ + (P) = MEMPCPY ((P), zeroes, _this * sizeof (CHAR_T)); \ + _len -= _this; \ + } \ + while (_len > 0); \ } while (0) #else # ifdef COMPILE_WIDE @@ -263,61 +266,102 @@ static const CHAR_T zeroes[16] = /* "0000000000000000" */ # endif #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 == L_('0')) \ - memset_zero (p, _delta); \ - else \ - memset_space (p, _delta); \ - } \ - f; \ - p += _n; \ - } \ - i += _incr; \ +#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); \ - else if (to_uppcase) \ - memcpy_uppcase (p, (s), _n); \ - else \ - MEMCPY ((PTR) p, (PTR) (s), _n)) + 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 ((PTR) p, (const PTR) (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 (NULL, &__s, 0, &__st); \ - ws = alloca ((l + 1) * sizeof (wchar_t)); \ - (void) __mbsrtowcs (ws, &__s, l, &__st); \ + { \ + 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 +/* We use this code also for the extended locale handling where the + 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 +# undef _NL_CURRENT +# define _NL_CURRENT(category, item) \ + (current->values[_NL_ITEM_INDEX (item)].string) +# define LOCALE_PARAM , loc +# define LOCALE_ARG , loc +# define LOCALE_PARAM_DECL __locale_t loc; +# define LOCALE_PARAM_PROTO , __locale_t loc +# define HELPER_LOCALE_ARG , current +#else +# define LOCALE_PARAM +# define LOCALE_PARAM_PROTO +# define LOCALE_ARG +# define LOCALE_PARAM_DECL +# ifdef _LIBC +# define HELPER_LOCALE_ARG , _NL_CURRENT_DATA (LC_TIME) +# else +# define HELPER_LOCALE_ARG +# endif +#endif + #ifdef COMPILE_WIDE -# define TOUPPER(Ch) towupper (Ch) -# define TOLOWER(Ch) towlower (Ch) +# 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 -# define TOUPPER(Ch) toupper (Ch) -# define TOLOWER(Ch) tolower (Ch) +# 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) (islower (Ch) ? toupper (Ch) : (Ch)) -# define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch)) +# define TOUPPER(Ch, L) (islower (Ch) ? toupper (Ch) : (Ch)) +# define TOLOWER(Ch, L) (isupper (Ch) ? tolower (Ch) : (Ch)) # endif #endif /* We don't use `isdigit' here since the locale dependent @@ -327,30 +371,32 @@ static const CHAR_T zeroes[16] = /* "0000000000000000" */ #define ISDIGIT(Ch) ((unsigned int) (Ch) - L_('0') <= 9) static CHAR_T *memcpy_lowcase __P ((CHAR_T *dest, const CHAR_T *src, - size_t len)); + size_t len LOCALE_PARAM_PROTO)); static CHAR_T * -memcpy_lowcase (dest, src, len) +memcpy_lowcase (dest, src, len LOCALE_PARAM) CHAR_T *dest; const CHAR_T *src; size_t len; + LOCALE_PARAM_DECL { while (len-- > 0) - dest[len] = TOLOWER ((UCHAR_T) src[len]); + dest[len] = TOLOWER ((UCHAR_T) src[len], loc); return dest; } static CHAR_T *memcpy_uppcase __P ((CHAR_T *dest, const CHAR_T *src, - size_t len)); + size_t len LOCALE_PARAM_PROTO)); static CHAR_T * -memcpy_uppcase (dest, src, len) +memcpy_uppcase (dest, src, len LOCALE_PARAM) CHAR_T *dest; const CHAR_T *src; size_t len; + LOCALE_PARAM_DECL { while (len-- > 0) - dest[len] = TOUPPER ((UCHAR_T) src[len]); + dest[len] = TOUPPER ((UCHAR_T) src[len], loc); return dest; } @@ -377,10 +423,10 @@ tm_diff (a, 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 */ @@ -405,8 +451,8 @@ iso_week_days (yday, 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); } @@ -425,40 +471,46 @@ static CHAR_T const month_name[][10] = #endif -#ifdef emacs -# define my_strftime emacs_strftimeu -# define ut_argument , ut -# define ut_argument_spec int ut; -# define ut_argument_spec_iso , int ut +/* 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. */ + +#ifdef my_strftime +# define extra_args , ut, ns +# define extra_args_spec int ut; int ns; +# define extra_args_spec_iso , 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 ut_argument -# define ut_argument_spec -# define ut_argument_spec_iso +# define extra_args +# define extra_args_spec +# define extra_args_spec_iso /* We don't have this information in general. */ # define ut 0 +# define ns 0 #endif #if !defined _LIBC && !defined(WINDOWSNT) && 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 * ut_argument_spec_iso)); + const struct tm * extra_args_spec_iso)); size_t - my_strftime (s, maxsize, format, tp ut_argument) + my_strftime (s, maxsize, format, tp extra_args) CHAR_T *s; size_t maxsize; const CHAR_T *format; const struct tm *tp; - ut_argument_spec + extra_args_spec { struct tm tmcopy; tmcopy = *tp; - return _strftime_copytm (s, maxsize, format, &tmcopy ut_argument); + return _strftime_copytm (s, maxsize, format, &tmcopy extra_args); } # undef my_strftime # define my_strftime _strftime_copytm @@ -472,13 +524,18 @@ static CHAR_T const month_name[][10] = anywhere, so to determine how many characters would be written, use NULL for S and (size_t) UINT_MAX for MAXSIZE. */ size_t -my_strftime (s, maxsize, format, tp ut_argument) +my_strftime (s, maxsize, format, tp extra_args LOCALE_PARAM) CHAR_T *s; size_t maxsize; const CHAR_T *format; const struct tm *tp; - ut_argument_spec + extra_args_spec + LOCALE_PARAM_DECL { +#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 /* We cannot make the following values variables since we must delay @@ -496,8 +553,8 @@ my_strftime (s, maxsize, format, tp ut_argument) # 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) @@ -519,6 +576,9 @@ my_strftime (s, maxsize, format, tp ut_argument) size_t i = 0; CHAR_T *p = s; const CHAR_T *f; +#if DO_MULTIBYTE && !defined COMPILE_WIDE + const char *format_end = NULL; +#endif zone = NULL; #if HAVE_TM_ZONE @@ -534,13 +594,12 @@ my_strftime (s, maxsize, format, tp ut_argument) if (ut) { if (! (zone && *zone)) - zone = "UTC"; + zone = "GMT"; } else { - /* 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. */ + /* POSIX.1 requires that local time zone information be used as + though strftime called tzset. */ # if HAVE_TZSET tzset (); # endif @@ -555,16 +614,16 @@ my_strftime (s, maxsize, format, tp ut_argument) for (f = format; *f != '\0'; ++f) { - int pad = 0; /* 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. */ + int pad = 0; /* 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_T *subfmt; CHAR_T *bufp; CHAR_T buf[1 + (sizeof (int) < sizeof (time_t) - ? INT_STRLEN_BOUND (time_t) - : INT_STRLEN_BOUND (int))]; + ? INT_STRLEN_BOUND (time_t) + : INT_STRLEN_BOUND (int))]; int width = -1; int to_lowcase = 0; int to_uppcase = 0; @@ -573,265 +632,279 @@ my_strftime (s, maxsize, format, tp ut_argument) #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 97 characters (plus '%', `\a') to - be in the basic execution character set. None of these - characters can start a multibyte sequence, so they need - not be analyzed further. Some old compilers object to - `\a', so don't bother optimizing for it. */ - 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) - { - 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. */ + 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; + 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_('%')) - { - add (1, *p = *f); - continue; - } + { + add (1, *p = *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 = 1; - continue; - case L_('#'): - change_case = 1; - 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 = 1; + continue; + case L_('#'): + 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 - 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 = width == -1 ? d : width; \ - number_value = v; goto do_number + digits = d > width ? 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 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 = 1; - to_lowcase = 0; - } + digits = d > width ? d : width; \ + 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 = 1; + to_lowcase = 0; + } #if defined _NL_CURRENT || !HAVE_STRFTIME - 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 = 1; - to_lowcase = 0; - } + case 'A': + if (modifier != 0) + goto bad_format; + if (change_case) + { + to_uppcase = 1; + to_lowcase = 0; + } #if defined _NL_CURRENT || !HAVE_STRFTIME - 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'): /* POSIX.2 extension. */ - if (change_case) - { - to_uppcase = 1; - to_lowcase = 0; - } - if (modifier != 0) - goto bad_format; + case L_('b'): + case L_('h'): + if (change_case) + { + to_uppcase = 1; + to_lowcase = 0; + } + if (modifier != 0) + goto bad_format; #if defined _NL_CURRENT || !HAVE_STRFTIME - 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 = 1; - to_lowcase = 0; - } + case L_('B'): + if (modifier != 0) + goto bad_format; + if (change_case) + { + to_uppcase = 1; + to_lowcase = 0; + } #if defined _NL_CURRENT || !HAVE_STRFTIME - 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 = (CHAR_T *) _NL_CURRENT (LC_TIME, - NLW(ERA_D_T_FMT))) - != '\0'))) - subfmt = (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 # if HAVE_STRFTIME - goto underlying_strftime; + goto underlying_strftime; # else - subfmt = L_("%a %b %e %H:%M:%S %Y"); + 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, 0); - add (len, my_strftime (p, maxsize - i, subfmt, tp, 0)); - - if (to_uppcase) - while (old_start < p) - { - *old_start = TOUPPER ((UCHAR_T) *old_start); - ++old_start; - } - } - break; + 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: - { - /* The relevant information is available only via the - underlying strftime implementation, so use that. */ - char ufmt[4]; - 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[4]; + 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 #ifdef STRFTIME_NO_POSIX2 @@ -854,530 +927,570 @@ my_strftime (s, maxsize, format, tp ut_argument) break; #endif - case L_('C'): /* POSIX.2 extension. */ + 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); - 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 # if HAVE_STRFTIME - goto underlying_strftime; + goto underlying_strftime; # endif #endif - } + } - { - int year = tp->tm_year + TM_YEAR_BASE; - DO_NUMBER (1, year / 100 - (year % 100 < 0)); - } + { + int year = tp->tm_year + TM_YEAR_BASE; + DO_NUMBER (1, year / 100 - (year % 100 < 0)); + } - 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 = (CHAR_T *)_NL_CURRENT (LC_TIME, - NLW(ERA_D_FMT))) - != L_('\0')))) - subfmt = (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 # if HAVE_STRFTIME - goto underlying_strftime; + goto underlying_strftime; # else - /* Fall through. */ + /* Fall through. */ # endif #endif - case L_('D'): /* POSIX.2 extension. */ - if (modifier != 0) - goto bad_format; - subfmt = L_("%m/%d/%y"); - goto subformat; + 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; + case L_('d'): + if (modifier == L_('E')) + goto bad_format; - DO_NUMBER (2, tp->tm_mday); + DO_NUMBER (2, tp->tm_mday); - case L_('e'): /* POSIX.2 extension. */ - if (modifier == L_('E')) - goto bad_format; + case L_('e'): + if (modifier == L_('E')) + goto bad_format; - DO_NUMBER_SPACEPAD (2, tp->tm_mday); + DO_NUMBER_SPACEPAD (2, tp->tm_mday); - /* All numeric formats set DIGITS and NUMBER_VALUE and then - jump to one of these two labels. */ + /* 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 != L_('0')) - pad = L_('_'); + do_number_spacepad: + /* Force `_' flag unless overridden by `0' or `-' flag. */ + if (pad != L_('0') && pad != L_('-')) + pad = L_('_'); - do_number: - /* Format the number according to the MODIFIER flag. */ + do_number: + /* Format the number according to the MODIFIER flag. */ - if (modifier == L_('O') && 0 <= number_value) - { + if (modifier == L_('O') && 0 <= number_value) + { #ifdef _NL_CURRENT - /* Get the locale specific alternate representation of - the number NUMBER_VALUE. If none exist NULL is returned. */ -# ifdef COMPILE_WIDE - const wchar_t *cp = _nl_get_walt_digit (number_value); -# else - const char *cp = _nl_get_alt_digit (number_value); -# endif - - if (cp != NULL) - { - size_t digitlen = STRLEN (cp); - if (digitlen != 0) - { - cpy (digitlen, cp); - break; - } - } + /* Get the locale specific alternate representation of + the number NUMBER_VALUE. If none exist NULL is returned. */ + const CHAR_T *cp = nl_get_alt_digit (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; + goto underlying_strftime; # endif #endif - } - { - unsigned int u = number_value; + } + { + unsigned int u = number_value; + + bufp = buf + sizeof (buf) / sizeof (buf[0]); + negative_number = number_value < 0; - bufp = buf + sizeof (buf) / sizeof (buf[0]); - negative_number = number_value < 0; + if (negative_number) + u = -u; - if (negative_number) - u = -u; + do + *--bufp = u % 10 + L_('0'); + while ((u /= 10) != 0); + } - do - *--bufp = u % 10 + L_('0'); - while ((u /= 10) != 0); - } - - do_number_sign_and_padding: - if (negative_number) - *--bufp = L_('-'); - - if (pad != L_('-')) - { - int padding = digits - (buf + (sizeof (buf) / sizeof (buf[0])) - - bufp); - - if (pad == L_('_')) - { - while (0 < padding--) - *--bufp = L_(' '); - } - else - { - bufp += negative_number; - while (0 < padding--) - *--bufp = L_('0'); - if (negative_number) - *--bufp = L_('-'); - } - } - - 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_NUMBER (3, 1 + tp->tm_yday); - - 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_NUMBER (2, tp->tm_mon + 1); + do_number_sign_and_padding: + 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'): /* 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_NUMBER (3, 1 + tp->tm_yday); + + 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_NUMBER (2, tp->tm_mon + 1); + +#ifndef _LIBC + case L_('N'): /* GNU extension. */ + if (modifier == L_('E')) + goto bad_format; + + number_value = ns; + if (width != -1) + { + /* Take an explicit width less than 9 as a precision. */ + int j; + for (j = width; j < 9; j++) + number_value /= 10; + } + + DO_NUMBER (9, number_value); +#endif - case L_('n'): /* POSIX.2 extension. */ - add (1, *p = L_('\n')); - break; + case L_('n'): + add (1, *p = L_('\n')); + break; - case L_('P'): - to_lowcase = 1; + case L_('P'): + to_lowcase = 1; #if !defined _NL_CURRENT && HAVE_STRFTIME - format_char = L_('p'); + format_char = L_('p'); #endif - /* FALLTHROUGH */ - - case L_('p'): - if (change_case) - { - to_uppcase = 0; - to_lowcase = 1; - } + /* FALLTHROUGH */ + + case L_('p'): + if (change_case) + { + to_uppcase = 0; + to_lowcase = 1; + } #if defined _NL_CURRENT || !HAVE_STRFTIME - cpy (ap_len, ampm); - break; + cpy (ap_len, ampm); + break; #else - goto underlying_strftime; + goto underlying_strftime; #endif - case L_('R'): /* GNU extension. */ - subfmt = L_("%H:%M"); - goto subformat; + case L_('R'): + subfmt = L_("%H:%M"); + goto subformat; - case L_('r'): /* POSIX.2 extension. */ + case L_('r'): #ifdef _NL_CURRENT - if (*(subfmt = (CHAR_T *) _NL_CURRENT (LC_TIME, - NLW(T_FMT_AMPM))) == L_('\0')) + if (*(subfmt = (const CHAR_T *) _NL_CURRENT (LC_TIME, + NLW(T_FMT_AMPM))) + == L_('\0')) #endif - subfmt = L_("%I:%M:%S %p"); - goto subformat; + subfmt = L_("%I:%M:%S %p"); + goto subformat; - 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 (<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; + do + { + int d = t % 10; + t /= 10; - if (negative_number) - { - d = -d; + if (negative_number) + { + d = -d; - /* Adjust if division truncates to minus infinity. */ - if (0 < -1 % 10 && d < 0) - { - t++; - d += 10; - } - } + /* Adjust if division truncates to minus infinity. */ + if (0 < -1 % 10 && d < 0) + { + t++; + d += 10; + } + } - *--bufp = d + L_('0'); - } - while (t != 0); + *--bufp = d + L_('0'); + } + while (t != 0); - digits = 1; - goto do_number_sign_and_padding; - } + digits = 1; + 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 = (CHAR_T *) _NL_CURRENT (LC_TIME, - NLW(ERA_T_FMT))) - != L_('\0')))) - subfmt = (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 # if HAVE_STRFTIME - goto underlying_strftime; + goto underlying_strftime; # else - /* Fall through. */ + /* Fall through. */ # endif #endif - case L_('T'): /* POSIX.2 extension. */ - subfmt = L_("%H:%M:%S"); - goto subformat; - - case L_('t'): /* POSIX.2 extension. */ - add (1, *p = L_('\t')); - break; - - case L_('u'): /* POSIX.2 extension. */ - 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'): /* GNU extension. */ - case L_('G'): /* GNU extension. */ - if (modifier == L_('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 L_('g'): - DO_NUMBER (2, (year % 100 + 100) % 100); - - case L_('G'): - DO_NUMBER (1, year); - - 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'): + 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 + 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 L_('g'): + DO_NUMBER (2, (year % 100 + 100) % 100); + + case L_('G'): + DO_NUMBER (1, year); + + 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); - 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 # if HAVE_STRFTIME - goto underlying_strftime; + goto underlying_strftime; # endif #endif - } - if (modifier == L_('O')) - goto bad_format; - else - DO_NUMBER (1, tp->tm_year + TM_YEAR_BASE); - - case L_('y'): - if (modifier == L_('E')) - { + } + if (modifier == L_('O')) + goto bad_format; + else + DO_NUMBER (1, tp->tm_year + TM_YEAR_BASE); + + case L_('y'): + if (modifier == L_('E')) + { #if HAVE_STRUCT_ERA_ENTRY - 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 - + 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 # if HAVE_STRFTIME - goto underlying_strftime; + goto underlying_strftime; # endif #endif - } - DO_NUMBER (2, (tp->tm_year % 100 + 100) % 100); + } + DO_NUMBER (2, (tp->tm_year % 100 + 100) % 100); - case L_('Z'): - if (change_case) - { - to_uppcase = 0; - to_lowcase = 1; - } + case L_('Z'): + if (change_case) + { + to_uppcase = 0; + to_lowcase = 1; + } #if HAVE_TZNAME - /* The tzset() call might have changed the value. */ - if (!(zone && *zone) && tp->tm_isdst >= 0) - zone = tzname[tp->tm_isdst]; + /* The tzset() call might have changed the value. */ + if (!(zone && *zone) && tp->tm_isdst >= 0) + zone = tzname[tp->tm_isdst]; #endif - if (! zone) - zone = ""; /* POSIX.2 requires the empty string here. */ + if (! zone) + zone = ""; #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; + break; - case L_('z'): /* GNU extension. */ - if (tp->tm_isdst < 0) - break; + case L_('z'): + if (tp->tm_isdst < 0) + break; - { - int diff; + { + int 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 (! my_strftime_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 (! my_strftime_gmtime_r (<, >m)) - break; - - diff = tm_diff (<m, >m); - } + 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 (! my_strftime_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 (! my_strftime_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'): /* 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 (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'): /* 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 (p && maxsize != 0) *p = L_('\0'); return i; } +#ifdef _LIBC +libc_hidden_def (my_strftime) +#endif #ifdef emacs +#undef ut /* For Emacs we have a separate interface which corresponds to the normal - strftime function and does not have the extra information whether the - TP arguments comes from a `gmtime' call or not. */ + strftime function plus the ut argument, but without the ns argument. */ size_t -emacs_strftime (s, maxsize, format, tp) +emacs_strftimeu (s, maxsize, format, tp, ut) char *s; size_t maxsize; const char *format; const struct tm *tp; + int ut; { - return my_strftime (s, maxsize, format, tp, 0); + return my_strftime (s, maxsize, format, tp, ut, 0); } #endif +/* arch-tag: 662bc9c4-f8e2-41b6-bf96-b8346d0ce0d8 + (do not change this comment) */