diff options
Diffstat (limited to 'intl/loadmsgcat.c')
| -rw-r--r-- | intl/loadmsgcat.c | 232 |
1 files changed, 145 insertions, 87 deletions
diff --git a/intl/loadmsgcat.c b/intl/loadmsgcat.c index 660dc7b6ed..b7b237bc70 100644 --- a/intl/loadmsgcat.c +++ b/intl/loadmsgcat.c @@ -190,12 +190,146 @@ 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 + 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 + 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) +_nl_load_domain (domain_file, domainbinding) struct loaded_l10nfile *domain_file; + struct binding *domainbinding; { int fd; size_t size; @@ -207,12 +341,15 @@ _nl_load_domain (domain_file) struct mo_file_header *data = (struct mo_file_header *) -1; int use_mmap = 0; struct loaded_domain *domain; - char *nullentry; - size_t nullentrylen; + 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 @@ -338,85 +475,10 @@ _nl_load_domain (domain_file) return; } - /* Now 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. */ -#ifdef _LIBC - domain->conv = (__gconv_t) -1; -#else -# if HAVE_ICONV - domain->conv = (iconv_t) -1; -# endif -#endif - domain->conv_tab = NULL; - nullentry = _nl_find_msg (domain_file, "", &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 (domain_file->domainbinding != NULL - && domain_file->domainbinding->codeset != NULL) - outcharset = domain_file->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 - domain->conv = iconv_open (outcharset, charset); -# endif -# endif - - freea (charset); - } -#endif /* _LIBC || HAVE_ICONV */ - } + /* 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) @@ -481,11 +543,7 @@ _nl_unload_domain (domain) if (domain->plural != &germanic_plural) __gettext_free_exp (domain->plural); - if (domain->conv_tab != NULL && domain->conv_tab != (char **) -1) - free (domain->conv_tab); - - if (domain->conv != (__gconv_t) -1) - __gconv_close (domain->conv); + _nl_free_domain_conv (domain); # ifdef _POSIX_MAPPED_FILES if (domain->use_mmap) |