diff options
author | Roland McGrath <roland@gnu.org> | 1996-05-03 17:44:31 +0000 |
---|---|---|
committer | Roland McGrath <roland@gnu.org> | 1996-05-03 17:44:31 +0000 |
commit | 7a12c6bba750ca500009854db3a0fcdfb1ad61a7 (patch) | |
tree | 52654097781ee98deb03b41dd4f5a805bb9c9e30 /locale/findlocale.c | |
parent | 9e720468715080bd95edadf10fd45a2c8be5e678 (diff) | |
download | glibc-7a12c6bba750ca500009854db3a0fcdfb1ad61a7.tar glibc-7a12c6bba750ca500009854db3a0fcdfb1ad61a7.tar.gz glibc-7a12c6bba750ca500009854db3a0fcdfb1ad61a7.tar.bz2 glibc-7a12c6bba750ca500009854db3a0fcdfb1ad61a7.zip |
Fri May 3 13:32:08 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>cvs/libc-960504
* intl/Makefile (CPPFLAGS): Change $(nlsdir) to $(i18ndir) in
LOCALE_ALIAS_PATH.
Fri May 3 03:14:02 1996 Ulrich Drepper <drepper@cygnus.com>
* intl/Makefile (routines): Add l10nflist and explodename.
(distribute): Add loadinfo.h and locale.alias.
(install-others): New variable to install locale.alias.
* intl/dcgettext.c, intl/finddomain.c, intl/gettextP.h,
intl/loadmsgcat.c: Adapt for upcoming gettext-0.10.13. Some code
is now shared with the locale implementation.
* intl/explodename.c, intl/l10nflist.c, intl/loadinfo.h: New file.
Extracted from finddomain.c. This is also used in the locale
implementation.
* intl/locale.alias: New file. Locale alias database compatible
with X Window System's locale alias file. Can now be used in
locale and gettext code.
* libio/stdio.h: Add prototypes for asprint and vasprintf.
* locale/C-collate.c, locale/C-ctype.c, locale/C-messages.c,
locale/C-monetary.c, locale/C-numeric.c, locale/C-time.c: Add new
field in structure with name of locale ("C" in this case).
* locale/Makefile (routines): Add findlocale.
* locale/findlocale.c: New file. Instead of trying to load the
directly described file we now try to be much smarter when this
fails. Use the same code as gettext does.
* locale/loadlocale.c, locale/setlocale.c: Rewrite to know about
new loading scheme.
* locale/localeinfo.h: Adapt prototypes and declarations for new
setlocale implementation. Remove definition of u32_t type. We
now use u_int32_t from <sys/types.h>.
* locale/programs/charset.h (ILLEGAL_CHAR_VALUE): Provide type
with constant.
* locale/programs/config.h, locale/lc-collate.c,
locale/localeinfo.h, locale/programs/ld-collate.c,
locale/programs/ld-ctype.c, locale/programs/ld-messages.c,
locale/programs/ld-monetary.c, locale/programs/ld-numeric.c,
locale/programs/ld-time.c, locale/weight.h, string/strcoll.c:
Change to use u_int32_t and u_int16_t.
* locale/programs/localedef.c (construct_output_path): Change name
of output locale to contain normalized form of the character set
portion.
* string/Makefile (routines): Add agrz-ctsep and argz-next.
(tests): Add tst-strlen.
* string/argz-ctsep.c: New file. Implement reverse operation
from argz-stringify.
* string/argz-next.c: Non-inline version of function from argz.h.
* string/argz.h, string/envz.h: Make usable as global header file.
* string/envz.c: Fix declarations to use size_t where prototypes
say so.
* string/tst-strlen.c: New file. Another test for critical
situation in strlen implementations.
* sysdeps/i386/i586/strlen.S: Fix bug with highest byte in word
being zero.
* wctype/test_wctype.c: Fix controlling comparison after change to
32 bit character class array.
Fri May 3 12:53:12 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
* sysdeps/unix/sysv/linux/sys/socket.h: Remove spurious doubled line.
Thu May 2 22:50:52 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/unix/sysv/linux/getpriority.c: New file.
* sysdeps/unix/sysv/linux/syscalls.list: Add s_getpriority.
Thu May 2 22:41:31 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/unix/sysv/linux/m68k/fpu_control.h (_FPU_DEFAULT):
Disable all exceptions.
Thu May 2 22:33:14 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/m68k/fpu/e_acos.c, sysdeps/m68k/fpu/e_acosf.c,
sysdeps/m68k/fpu/e_fmod.c, sysdeps/m68k/fpu/e_fmodf.c,
sysdeps/m68k/fpu/isinfl.c, sysdeps/m68k/fpu/isnanl.c,
sysdeps/m68k/fpu/s_atan.c, sysdeps/m68k/fpu/s_atanf.c,
sysdeps/m68k/fpu/s_frexp.c, sysdeps/m68k/fpu/s_frexpf.c,
sysdeps/m68k/fpu/s_ilogb.c, sysdeps/m68k/fpu/s_ilogbf.c,
sysdeps/m68k/fpu/s_isinf.c, sysdeps/m68k/fpu/s_isinff.c,
sysdeps/m68k/fpu/s_ldexp.c, sysdeps/m68k/fpu/s_ldexpf.c,
sysdeps/m68k/fpu/s_modf.c, sysdeps/m68k/fpu/s_modff.c: Don't
define __NO_MATH_INLINES, which is already defined on command
line.
Thu May 2 22:18:28 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/libm-ieee754/e_j0f.c (__ieee754_j0f, __ieee754_y0f):
Replace 0x80000000 by 0x48000000.
* sysdeps/libm-ieee754/e_j1f.c (__ieee754_j1f): Likewise.
Thu May 2 21:30:33 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sunrpc/svc_simple.c: Make global variable pl local to
registerrpc.
Thu May 2 00:24:04 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* time/Makefile (tz-cflags): New variable.
(CFLAGS-tzfile.c): New variable.
(CFLAGS-zic.c): Add $(tz-cflags).
(tz-cc): Remove variable.
($(objpfx)tzfile.o, $(objpfx)zic.o): Remove targets.
* sysdeps/mach/hurd/getcwd.c: Jump out of both loops when we find a
name, instead of checking for reaching end of buffer, which happens
when the match is the last entry in the buffer.
Diffstat (limited to 'locale/findlocale.c')
-rw-r--r-- | locale/findlocale.c | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/locale/findlocale.c b/locale/findlocale.c new file mode 100644 index 0000000000..35b1971aa9 --- /dev/null +++ b/locale/findlocale.c @@ -0,0 +1,192 @@ +/* Copyright (C) 1996 Free Software Foundation, Inc. +This file is part of the GNU C Library. +Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +#include <locale.h> +#include <stdlib.h> +#include <string.h> + +#include "localeinfo.h" + + +/* Constant data defined in setlocale.c. */ +extern const struct locale_data *const _nl_C[]; + + +static inline char * +copy (const char *string) +{ + size_t len; + char *new; + len = strlen (string) + 1; + new = (char *) malloc (len); + return new != NULL ? memcpy (new, string, len) : NULL; +} + + +/* For each category we keep a list of records for the locale files + which are somehow addressed. */ +static struct loaded_l10nfile *locale_file_list[LC_ALL]; + + +const struct locale_data * +_nl_find_locale (const char *locale_path, size_t locale_path_len, + int category, char **name) +{ + int mask; + /* Name of the locale for this category. */ + char *loc_name; + const char *language; + const char *modifier; + const char *territory; + const char *codeset; + const char *normalized_codeset; + const char *special; + const char *sponsor; + const char *revision; + struct loaded_l10nfile *locale_file; + + if ((*name)[0] == '\0') + { + /* The user decides which locale to use by setting environment + variables. */ + *name = getenv ("LC_ALL"); + if (*name == NULL || (*name)[0] == '\0') + *name = getenv (_nl_category_names[category]); + if (*name == NULL || (*name)[0] == '\0') + *name = getenv ("LANG"); + if (*name == NULL || (*name)[0] == '\0') + *name = (char *) _nl_C_name; + } + + if (strcmp (*name, _nl_C_name) == 0 || strcmp (*name, "POSIX") == 0) + { + /* We need not load anything. The needed data is contained in + the library itself. */ + *name = (char *) _nl_C_name; + return _nl_C[category]; + } + + /* We really have to load some data. First see whether the name is + an alias. Please note that this makes it impossible to have "C" + or "POSIX" as aliases. */ + loc_name = _nl_expand_alias (*name); + if (loc_name == NULL) + /* It is no alias. */ + loc_name = *name; + + /* Make a writable copy of the locale name. */ + loc_name = copy (loc_name); + + /* LOCALE can consist of up to four recognized parts for the XPG syntax: + + language[_territory[.codeset]][@modifier] + + and six parts for the CEN syntax: + + language[_territory][+audience][+special][,sponsor][_revision] + + Beside the first all of them are allowed to be missing. If the + full specified locale is not found, the less specific one are + looked for. The various part will be stripped of according to + the following order: + (1) revision + (2) sponsor + (3) special + (4) codeset + (5) normalized codeset + (6) territory + (7) audience/modifier + */ + mask = _nl_explode_name (loc_name, &language, &modifier, &territory, + &codeset, &normalized_codeset, &special, + &sponsor, &revision); + + /* If exactly this locale was already asked for we have an entry with + the complete name. */ + locale_file = _nl_make_l10nflist (&locale_file_list[category], + locale_path, locale_path_len, mask, + language, territory, codeset, + normalized_codeset, modifier, special, + sponsor, revision, + _nl_category_names[category], 0); + + if (locale_file == NULL) + { + /* Find status record for addressed locale file. We have to search + through all directories in the locale path. */ + locale_file = _nl_make_l10nflist (&locale_file_list[category], + locale_path, locale_path_len, mask, + language, territory, codeset, + normalized_codeset, modifier, special, + sponsor, revision, + _nl_category_names[category], 1); + if (locale_file == NULL) + /* This means we are out of core. */ + return NULL; + } + else + /* If the addressed locale is already available it should be freed. + If we would not do this switching back and force between two + locales would slowly eat up all memory.*/ + free (loc_name); + + if (locale_file->decided == 0) + _nl_load_locale (locale_file, category); + + if (locale_file->data == NULL) + { + int cnt; + for (cnt = 0; locale_file->successor[cnt] != NULL; ++cnt) + { + if (locale_file->successor[cnt]->decided == 0) + _nl_load_locale (locale_file->successor[cnt], category); + if (locale_file->successor[cnt]->data != NULL) + break; + } + /* Move the entry we found (or NULL) to the first place of + successors. */ + locale_file->successor[0] = locale_file->successor[cnt]; + locale_file = locale_file->successor[cnt]; + } + + if (locale_file == NULL) + return NULL; + + /* Determine the locale name for which loading succeeded. This + information comes from the file name. The form is + <path>/<locale>/LC_foo. We must extract this <locale> part. */ + if (((struct locale_data *) locale_file->data)->name == NULL) + { + char *newp, *cp, *endp; + + endp = strrchr (locale_file->filename, '/'); + cp = endp - 1; + while (cp[-1] != '/') + --cp; + newp = (char *) malloc (endp - cp + 1); + if (newp == NULL) + return NULL; + memcpy (newp, cp, endp - cp); + newp[endp - cp] = '\0'; + ((struct locale_data *) locale_file->data)->name = newp; + } + *name = (char *) ((struct locale_data *) locale_file->data)->name; + + return (struct locale_data *) locale_file->data; +} |