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author | Motonobu Takahashi <monyo@samba.org> | 2001-09-24 16:13:06 +0000 |
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committer | Motonobu Takahashi <monyo@samba.org> | 2001-09-24 16:13:06 +0000 |
commit | 1207c4320490a1eb80bc88aacd57b8eccb3d8d4f (patch) | |
tree | b94df2e4039f20fa1eb68455eb9df119495ea9d1 /source3/intl/loadmsgcat.c | |
parent | b8369b62c2dca96e486f6bce0ba4daf9f3eae3ad (diff) | |
download | samba-1207c4320490a1eb80bc88aacd57b8eccb3d8d4f.tar.gz samba-1207c4320490a1eb80bc88aacd57b8eccb3d8d4f.tar.bz2 samba-1207c4320490a1eb80bc88aacd57b8eccb3d8d4f.zip |
added files and directories to support gettext() feature
Also added some po files to support:
English, Japanese, Polish, Turlish
(This used to be commit 736b713c49ebe45923169b70f5c47f5afda8d94a)
Diffstat (limited to 'source3/intl/loadmsgcat.c')
-rw-r--r-- | source3/intl/loadmsgcat.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/source3/intl/loadmsgcat.c b/source3/intl/loadmsgcat.c new file mode 100644 index 0000000000..2c6a5650d1 --- /dev/null +++ b/source3/intl/loadmsgcat.c @@ -0,0 +1,220 @@ +/* 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 |