+++ /dev/null
-/* Load needed message catalogs.
- Copyright (C) 1995-1999, 2000, 2001 Free Software Foundation, Inc.
-
- 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 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. */
-
-/* Tell glibc's <string.h> to provide a prototype for mempcpy().
- This must come before <config.h> because <config.h> may include
- <features.h>, and once <features.h> has been included, it's too late. */
-#ifndef _GNU_SOURCE
-# define _GNU_SOURCE 1
-#endif
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <ctype.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-
-#ifdef __GNUC__
-# define alloca __builtin_alloca
-# define HAVE_ALLOCA 1
-#else
-# if defined HAVE_ALLOCA_H || defined _LIBC
-# include <alloca.h>
-# else
-# ifdef _AIX
- #pragma alloca
-# else
-# ifndef alloca
-char *alloca ();
-# endif
-# endif
-# endif
-#endif
-
-#include <stdlib.h>
-#include <string.h>
-
-#if defined HAVE_UNISTD_H || defined _LIBC
-# include <unistd.h>
-#endif
-
-#ifdef _LIBC
-# include <langinfo.h>
-# include <locale.h>
-#endif
-
-#if (defined HAVE_MMAP && defined HAVE_MUNMAP && !defined DISALLOW_MMAP) \
- || (defined _LIBC && defined _POSIX_MAPPED_FILES)
-# include <sys/mman.h>
-# undef HAVE_MMAP
-# define HAVE_MMAP 1
-#else
-# undef HAVE_MMAP
-#endif
-
-#include "gettext.h"
-#include "gettextP.h"
-
-#ifdef _LIBC
-# include "../locale/localeinfo.h"
-#endif
-
-/* @@ end of prolog @@ */
-
-#ifdef _LIBC
-/* Rename the non ISO C functions. This is required by the standard
- because some ISO C functions will require linking with this object
- file and the name space must not be polluted. */
-# define open __open
-# define close __close
-# define read __read
-# define mmap __mmap
-# define munmap __munmap
-#endif
-
-/* Names for the libintl functions are a problem. They must not clash
- with existing names and they should follow ANSI C. But this source
- code is also used in GNU C Library where the names have a __
- prefix. So we have to make a difference here. */
-#ifdef _LIBC
-# define PLURAL_PARSE __gettextparse
-#else
-# define PLURAL_PARSE gettextparse__
-#endif
-
-/* For those losing systems which don't have `alloca' we have to add
- some additional code emulating it. */
-#ifdef HAVE_ALLOCA
-# define freea(p) /* nothing */
-#else
-# define alloca(n) malloc (n)
-# define freea(p) free (p)
-#endif
-
-/* For systems that distinguish between text and binary I/O.
- O_BINARY is usually declared in <fcntl.h>. */
-#if !defined O_BINARY && defined _O_BINARY
- /* For MSC-compatible compilers. */
-# define O_BINARY _O_BINARY
-# define O_TEXT _O_TEXT
-#endif
-#ifdef __BEOS__
- /* BeOS 5 has O_BINARY and O_TEXT, but they have no effect. */
-# undef O_BINARY
-# undef O_TEXT
-#endif
-/* On reasonable systems, binary I/O is the default. */
-#ifndef O_BINARY
-# define O_BINARY 0
-#endif
-
-/* We need a sign, whether a new catalog was loaded, which can be associated
- with all translations. This is important if the translations are
- cached by one of GCC's features. */
-int _nl_msg_cat_cntr;
-
-#if (defined __GNUC__ && !defined __APPLE_CC__) \
- || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L)
-
-/* These structs are the constant expression for the germanic plural
- form determination. It represents the expression "n != 1". */
-static const struct expression plvar =
-{
- .nargs = 0,
- .operation = var,
-};
-static const struct expression plone =
-{
- .nargs = 0,
- .operation = num,
- .val =
- {
- .num = 1
- }
-};
-static struct expression germanic_plural =
-{
- .nargs = 2,
- .operation = not_equal,
- .val =
- {
- .args =
- {
- [0] = (struct expression *) &plvar,
- [1] = (struct expression *) &plone
- }
- }
-};
-
-# define INIT_GERMANIC_PLURAL()
-
-#else
-
-/* For compilers without support for ISO C 99 struct/union initializers:
- Initialization at run-time. */
-
-static struct expression plvar;
-static struct expression plone;
-static struct expression germanic_plural;
-
-static void
-init_germanic_plural ()
-{
- if (plone.val.num == 0)
- {
- plvar.nargs = 0;
- plvar.operation = var;
-
- plone.nargs = 0;
- plone.operation = num;
- plone.val.num = 1;
-
- germanic_plural.nargs = 2;
- germanic_plural.operation = not_equal;
- germanic_plural.val.args[0] = &plvar;
- germanic_plural.val.args[1] = &plone;
- }
-}
-
-# define INIT_GERMANIC_PLURAL() init_germanic_plural ()
-
-#endif
-
-
-/* Initialize the codeset dependent parts of an opened message catalog.
- Return the header entry. */
-const char *
-internal_function
-_nl_init_domain_conv (domain_file, domain, domainbinding)
- struct loaded_l10nfile *domain_file;
- struct loaded_domain *domain;
- struct binding *domainbinding;
-{
- /* Find out about the character set the file is encoded with.
- This can be found (in textual form) in the entry "". If this
- entry does not exist or if this does not contain the `charset='
- information, we will assume the charset matches the one the
- current locale and we don't have to perform any conversion. */
- char *nullentry;
- size_t nullentrylen;
-
- /* Preinitialize fields, to avoid recursion during _nl_find_msg. */
- domain->codeset_cntr =
- (domainbinding != NULL ? domainbinding->codeset_cntr : 0);
-#ifdef _LIBC
- domain->conv = (__gconv_t) -1;
-#else
-# if HAVE_ICONV
- domain->conv = (iconv_t) -1;
-# endif
-#endif
- domain->conv_tab = NULL;
-
- /* Get the header entry. */
- nullentry = _nl_find_msg (domain_file, domainbinding, "", &nullentrylen);
-
- if (nullentry != NULL)
- {
-#if defined _LIBC || HAVE_ICONV
- const char *charsetstr;
-
- charsetstr = strstr (nullentry, "charset=");
- if (charsetstr != NULL)
- {
- size_t len;
- char *charset;
- const char *outcharset;
-
- charsetstr += strlen ("charset=");
- len = strcspn (charsetstr, " \t\n");
-
- charset = (char *) alloca (len + 1);
-# if defined _LIBC || HAVE_MEMPCPY
- *((char *) mempcpy (charset, charsetstr, len)) = '\0';
-# else
- memcpy (charset, charsetstr, len);
- charset[len] = '\0';
-# endif
-
- /* The output charset should normally be determined by the
- locale. But sometimes the locale is not used or not correctly
- set up, so we provide a possibility for the user to override
- this. Moreover, the value specified through
- bind_textdomain_codeset overrides both. */
- if (domainbinding != NULL && domainbinding->codeset != NULL)
- outcharset = domainbinding->codeset;
- else
- {
- outcharset = getenv ("OUTPUT_CHARSET");
- if (outcharset == NULL || outcharset[0] == '\0')
- {
-# ifdef _LIBC
- outcharset = (*_nl_current[LC_CTYPE])->values[_NL_ITEM_INDEX (CODESET)].string;
-# else
-# if HAVE_ICONV
- extern const char *locale_charset (void);
- outcharset = locale_charset ();
-# endif
-# endif
- }
- }
-
-# ifdef _LIBC
- /* We always want to use transliteration. */
- outcharset = norm_add_slashes (outcharset, "TRANSLIT");
- charset = norm_add_slashes (charset, NULL);
- if (__gconv_open (outcharset, charset, &domain->conv,
- GCONV_AVOID_NOCONV)
- != __GCONV_OK)
- domain->conv = (__gconv_t) -1;
-# else
-# if HAVE_ICONV
- /* When using GNU libiconv, we want to use transliteration. */
-# if _LIBICONV_VERSION >= 0x0105
- len = strlen (outcharset);
- {
- char *tmp = (char *) alloca (len + 10 + 1);
- memcpy (tmp, outcharset, len);
- memcpy (tmp + len, "//TRANSLIT", 10 + 1);
- outcharset = tmp;
- }
-# endif
- domain->conv = iconv_open (outcharset, charset);
-# if _LIBICONV_VERSION >= 0x0105
- freea (outcharset);
-# endif
-# endif
-# endif
-
- freea (charset);
- }
-#endif /* _LIBC || HAVE_ICONV */
- }
-
- return nullentry;
-}
-
-/* Frees the codeset dependent parts of an opened message catalog. */
-void
-internal_function
-_nl_free_domain_conv (domain)
- struct loaded_domain *domain;
-{
- if (domain->conv_tab != NULL && domain->conv_tab != (char **) -1)
- free (domain->conv_tab);
-
-#ifdef _LIBC
- if (domain->conv != (__gconv_t) -1)
- __gconv_close (domain->conv);
-#else
-# if HAVE_ICONV
- if (domain->conv != (iconv_t) -1)
- iconv_close (domain->conv);
-# endif
-#endif
-}
-
-/* Load the message catalogs specified by FILENAME. If it is no valid
- message catalog do nothing. */
-void
-internal_function
-_nl_load_domain (domain_file, domainbinding)
- struct loaded_l10nfile *domain_file;
- struct binding *domainbinding;
-{
- int fd;
- size_t size;
-#ifdef _LIBC
- struct stat64 st;
-#else
- struct stat st;
-#endif
- struct mo_file_header *data = (struct mo_file_header *) -1;
- int use_mmap = 0;
- struct loaded_domain *domain;
- const char *nullentry;
-
- domain_file->decided = 1;
- domain_file->data = NULL;
-
- /* Note that it would be useless to store domainbinding in domain_file
- because domainbinding might be == NULL now but != NULL later (after
- a call to bind_textdomain_codeset). */
-
- /* If the record does not represent a valid locale the FILENAME
- might be NULL. This can happen when according to the given
- specification the locale file name is different for XPG and CEN
- syntax. */
- if (domain_file->filename == NULL)
- return;
-
- /* Try to open the addressed file. */
- fd = open (domain_file->filename, O_RDONLY | O_BINARY);
- if (fd == -1)
- return;
-
- /* We must know about the size of the file. */
- if (
-#ifdef _LIBC
- __builtin_expect (fstat64 (fd, &st) != 0, 0)
-#else
- __builtin_expect (fstat (fd, &st) != 0, 0)
-#endif
- || __builtin_expect ((size = (size_t) st.st_size) != st.st_size, 0)
- || __builtin_expect (size < sizeof (struct mo_file_header), 0))
- {
- /* Something went wrong. */
- close (fd);
- return;
- }
-
-#ifdef HAVE_MMAP
- /* Now we are ready to load the file. If mmap() is available we try
- this first. If not available or it failed we try to load it. */
- data = (struct mo_file_header *) mmap (NULL, size, PROT_READ,
- MAP_PRIVATE, fd, 0);
-
- if (__builtin_expect (data != (struct mo_file_header *) -1, 1))
- {
- /* mmap() call was successful. */
- close (fd);
- use_mmap = 1;
- }
-#endif
-
- /* If the data is not yet available (i.e. mmap'ed) we try to load
- it manually. */
- if (data == (struct mo_file_header *) -1)
- {
- size_t to_read;
- char *read_ptr;
-
- data = (struct mo_file_header *) malloc (size);
- if (data == NULL)
- return;
-
- to_read = size;
- read_ptr = (char *) data;
- do
- {
- long int nb = (long int) read (fd, read_ptr, to_read);
- if (nb <= 0)
- {
-#ifdef EINTR
- if (nb == -1 && errno == EINTR)
- continue;
-#endif
- close (fd);
- return;
- }
- read_ptr += nb;
- to_read -= nb;
- }
- while (to_read > 0);
-
- close (fd);
- }
-
- /* Using the magic number we can test whether it really is a message
- catalog file. */
- if (__builtin_expect (data->magic != _MAGIC && data->magic != _MAGIC_SWAPPED,
- 0))
- {
- /* The magic number is wrong: not a message catalog file. */
-#ifdef HAVE_MMAP
- if (use_mmap)
- munmap ((caddr_t) data, size);
- else
-#endif
- free (data);
- return;
- }
-
- domain = (struct loaded_domain *) malloc (sizeof (struct loaded_domain));
- if (domain == NULL)
- return;
- domain_file->data = domain;
-
- domain->data = (char *) data;
- domain->use_mmap = use_mmap;
- domain->mmap_size = size;
- domain->must_swap = data->magic != _MAGIC;
-
- /* Fill in the information about the available tables. */
- switch (W (domain->must_swap, data->revision))
- {
- case 0:
- domain->nstrings = W (domain->must_swap, data->nstrings);
- domain->orig_tab = (struct string_desc *)
- ((char *) data + W (domain->must_swap, data->orig_tab_offset));
- domain->trans_tab = (struct string_desc *)
- ((char *) data + W (domain->must_swap, data->trans_tab_offset));
- domain->hash_size = W (domain->must_swap, data->hash_tab_size);
- domain->hash_tab = (nls_uint32 *)
- ((char *) data + W (domain->must_swap, data->hash_tab_offset));
- break;
- default:
- /* This is an invalid revision. */
-#ifdef HAVE_MMAP
- if (use_mmap)
- munmap ((caddr_t) data, size);
- else
-#endif
- free (data);
- free (domain);
- domain_file->data = NULL;
- return;
- }
-
- /* Now initialize the character set converter from the character set
- the file is encoded with (found in the header entry) to the domain's
- specified character set or the locale's character set. */
- nullentry = _nl_init_domain_conv (domain_file, domain, domainbinding);
-
- /* Also look for a plural specification. */
- if (nullentry != NULL)
- {
- const char *plural;
- const char *nplurals;
-
- plural = strstr (nullentry, "plural=");
- nplurals = strstr (nullentry, "nplurals=");
- if (plural == NULL || nplurals == NULL)
- goto no_plural;
- else
- {
- /* First get the number. */
- char *endp;
- unsigned long int n;
- struct parse_args args;
-
- nplurals += 9;
- while (*nplurals != '\0' && isspace (*nplurals))
- ++nplurals;
-#if defined HAVE_STRTOUL || defined _LIBC
- n = strtoul (nplurals, &endp, 10);
-#else
- for (endp = nplurals, n = 0; *endp >= '0' && *endp <= '9'; endp++)
- n = n * 10 + (*endp - '0');
-#endif
- domain->nplurals = n;
- if (nplurals == endp)
- goto no_plural;
-
- /* Due to the restrictions bison imposes onto the interface of the
- scanner function we have to put the input string and the result
- passed up from the parser into the same structure which address
- is passed down to the parser. */
- plural += 7;
- args.cp = plural;
- if (PLURAL_PARSE (&args) != 0)
- goto no_plural;
- domain->plural = args.res;
- }
- }
- else
- {
- /* By default we are using the Germanic form: singular form only
- for `one', the plural form otherwise. Yes, this is also what
- English is using since English is a Germanic language. */
- no_plural:
- INIT_GERMANIC_PLURAL ();
- domain->plural = &germanic_plural;
- domain->nplurals = 2;
- }
-}
-
-
-#ifdef _LIBC
-void
-internal_function
-_nl_unload_domain (domain)
- struct loaded_domain *domain;
-{
- if (domain->plural != &germanic_plural)
- __gettext_free_exp (domain->plural);
-
- _nl_free_domain_conv (domain);
-
-# ifdef _POSIX_MAPPED_FILES
- if (domain->use_mmap)
- munmap ((caddr_t) domain->data, domain->mmap_size);
- else
-# endif /* _POSIX_MAPPED_FILES */
- free ((void *) domain->data);
-
- free (domain);
-}
-#endif
projects / runtime.git / blobdiff