X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fstrftime.c;h=1e026649d0c6a568f2a897f1d6cf43c6128aa917;hb=a9b64ea6a96fe625db5332f5e2b3e5f968704af7;hp=1adcaa4ba469b63a8232dfc52e095e59c14b50be;hpb=0112e5e299d09da1f09b25c2fcd09e5d3b0f8bdd;p=gnulib.git diff --git a/lib/strftime.c b/lib/strftime.c index 1adcaa4ba..1e026649d 100644 --- a/lib/strftime.c +++ b/lib/strftime.c @@ -3,20 +3,19 @@ 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 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. + 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. 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. + 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, - USA. */ + 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H # include @@ -168,44 +167,21 @@ extern char *tzname[]; #ifdef _LIBC -# define my_strftime_gmtime_r __gmtime_r -# define my_strftime_localtime_r __localtime_r # define tzname __tzname # define tzset __tzset -#else - -/* If we're a strftime substitute in a GNU program, then prefer gmtime - to gmtime_r, since many gmtime_r implementations are buggy. - Similarly for localtime_r. */ - -# if ! HAVE_TM_GMTOFF -static struct tm *my_strftime_gmtime_r __P ((const time_t *, struct tm *)); -static struct tm * -my_strftime_gmtime_r (t, tp) - const time_t *t; - struct tm *tp; -{ - struct tm *l = gmtime (t); - if (! l) - return 0; - *tp = *l; - return tp; -} +#endif -static struct tm *my_strftime_localtime_r __P ((const time_t *, struct tm *)); -static struct tm * -my_strftime_localtime_r (t, tp) - const time_t *t; - struct tm *tp; -{ - struct tm *l = localtime (t); - if (! l) - return 0; - *tp = *l; - return tp; -} -# endif /* ! HAVE_TM_GMTOFF */ -#endif /* ! defined _LIBC */ +#if !HAVE_TM_GMTOFF +/* Portable standalone applications should supply a "time_r.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. */ +# include "time_r.h" +# undef __gmtime_r +# undef __localtime_r +# define __gmtime_r gmtime_r +# define __localtime_r localtime_r +#endif #if !defined memset && !defined HAVE_MEMSET && !defined _LIBC @@ -493,25 +469,11 @@ static CHAR_T const month_name[][10] = # define ns 0 #endif -#if !defined _LIBC && HAVE_TZNAME && HAVE_TZSET - /* Solaris 2.5 tzset sometimes modifies the storage returned by localtime. - Work around this bug by copying *tp before it might be munged. */ - size_t _strftime_copytm __P ((char *, size_t, const char *, - const struct tm * extra_args_spec_iso)); - size_t - my_strftime (s, maxsize, format, tp extra_args) - CHAR_T *s; - size_t maxsize; - const CHAR_T *format; - const struct tm *tp; - extra_args_spec - { - struct tm tmcopy; - tmcopy = *tp; - return _strftime_copytm (s, maxsize, format, &tmcopy extra_args); - } -# undef my_strftime -# define my_strftime _strftime_copytm +#if ! defined _LIBC && ! HAVE_RUN_TZSET_TEST +/* Solaris 2.5.x and 2.6 tzset sometimes modify the storage returned + by localtime. On such systems, we must use the tzset and localtime + wrappers to work around the bug. */ +"you must run the autoconf test for a working tzset function" #endif @@ -615,7 +577,7 @@ my_strftime (s, maxsize, format, tp extra_args LOCALE_PARAM) 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 number_value; /* Numeric value to be printed. */ int negative_number; /* 1 if the number is negative. */ const CHAR_T *subfmt; CHAR_T *bufp; @@ -1029,7 +991,7 @@ my_strftime (s, maxsize, format, tp extra_args LOCALE_PARAM) do *--bufp = u % 10 + L_('0'); while ((u /= 10) != 0); - } + } do_number_sign_and_padding: if (negative_number) @@ -1171,13 +1133,17 @@ my_strftime (s, maxsize, format, tp extra_args LOCALE_PARAM) goto subformat; case L_('r'): -#ifdef _NL_CURRENT +#if !defined _NL_CURRENT && HAVE_STRFTIME + goto underlying_strftime; +#else +# ifdef _NL_CURRENT if (*(subfmt = (const CHAR_T *) _NL_CURRENT (LC_TIME, NLW(T_FMT_AMPM))) == L_('\0')) -#endif +# endif subfmt = L_("%I:%M:%S %p"); goto subformat; +#endif case L_('S'): if (modifier == L_('E')) @@ -1186,7 +1152,7 @@ my_strftime (s, maxsize, format, tp extra_args LOCALE_PARAM) DO_NUMBER (2, tp->tm_sec); case L_('s'): /* GNU extension. */ - { + { struct tm ltm; time_t t; @@ -1411,7 +1377,7 @@ my_strftime (s, maxsize, format, tp extra_args LOCALE_PARAM) occurred. */ struct tm tm; - if (! my_strftime_localtime_r (<, &tm) + if (! __localtime_r (<, &tm) || ((ltm.tm_sec ^ tm.tm_sec) | (ltm.tm_min ^ tm.tm_min) | (ltm.tm_hour ^ tm.tm_hour) @@ -1421,7 +1387,7 @@ my_strftime (s, maxsize, format, tp extra_args LOCALE_PARAM) break; } - if (! my_strftime_gmtime_r (<, >m)) + if (! __gmtime_r (<, >m)) break; diff = tm_diff (<m, >m);