+++ /dev/null
-/* Load needed message catalogs.
- Copyright (C) 1995, 1996, 1997, 1998 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. */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-
-#if defined STDC_HEADERS || defined _LIBC
-# include <stdlib.h>
-#endif
-
-#if defined HAVE_UNISTD_H || defined _LIBC
-# include <unistd.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"
-
-/* @@ 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
-
-/* 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 = 0;
-
-
-/* Load the message catalogs specified by FILENAME. If it is no valid
- message catalog do nothing. */
-void
-internal_function
-_nl_load_domain (domain_file)
- struct loaded_l10nfile *domain_file;
-{
- int fd;
- size_t size;
- struct stat st;
- struct mo_file_header *data = (struct mo_file_header *) -1;
- int use_mmap = 0;
- struct loaded_domain *domain;
-
- domain_file->decided = 1;
- domain_file->data = NULL;
-
- /* 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);
- if (fd == -1)
- return;
-
- /* We must know about the size of the file. */
- if (fstat (fd, &st) != 0
- || (size = (size_t) st.st_size) != st.st_size
- || size < sizeof (struct mo_file_header))
- {
- /* 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 (data != (struct mo_file_header *) -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 == -1)
- {
- 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 (data->magic != _MAGIC && data->magic != _MAGIC_SWAPPED)
- {
- /* 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_file->data
- = (struct loaded_domain *) malloc (sizeof (struct loaded_domain));
- if (domain_file->data == NULL)
- return;
-
- domain = (struct loaded_domain *) domain_file->data;
- 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;
- }
-
- /* Show that one domain is changed. This might make some cached
- translations invalid. */
- ++_nl_msg_cat_cntr;
-}
-
-
-#ifdef _LIBC
-void
-internal_function
-_nl_unload_domain (domain)
- struct loaded_domain *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 / tinc / blobdiff