X-Git-Url: https://git.deb.at/?a=blobdiff_plain;f=intl%2Floadmsgcat.c;h=bf883a37efafd7a26977c40bd688670b1faef289;hb=ee5170ade20748797fdde09e370fbb07e585fc9a;hp=99c51b4c5c2f69e719926ea311093738be42e563;hpb=4b8f9231090ada43f7e16987ec46ac7f45a914ec;p=pkg%2Fabook.git diff --git a/intl/loadmsgcat.c b/intl/loadmsgcat.c index 99c51b4..bf883a3 100644 --- a/intl/loadmsgcat.c +++ b/intl/loadmsgcat.c @@ -1,5 +1,5 @@ /* Load needed message catalogs. - Copyright (C) 1995-1999, 2000-2004 Free Software Foundation, Inc. + Copyright (C) 1995-1999, 2000-2008 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published @@ -13,7 +13,7 @@ You should have received a copy of the GNU Library 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, + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ /* Tell glibc's to provide a prototype for mempcpy(). @@ -91,6 +91,14 @@ char *alloca (); #ifdef _LIBC # include "../locale/localeinfo.h" +# include +#endif + +/* Handle multi-threaded applications. */ +#ifdef _LIBC +# include +#else +# include "lock.h" #endif /* Provide fallback values for macros that ought to be defined in . @@ -457,11 +465,12 @@ char *alloca (); /* 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 +# define open(name, flags) open_not_cancel_2 (name, flags) +# define close(fd) close_not_cancel_no_status (fd) +# define read(fd, buf, n) read_not_cancel (fd, buf, n) +# define mmap(addr, len, prot, flags, fd, offset) \ + __mmap (addr, len, prot, flags, fd, offset) +# define munmap(addr, len) __munmap (addr, len) #endif /* For those losing systems which don't have `alloca' we have to add @@ -764,144 +773,6 @@ get_sysdep_segment_value (const char *name) return NULL; } -/* Initialize the codeset dependent parts of an opened message catalog. - Return the header entry. */ -const char * -internal_function -_nl_init_domain_conv (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, CODESET); -# 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 libc >= 2.2 or GNU libiconv >= 1.5, - we want to use transliteration. */ -# if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2) || __GLIBC__ > 2 \ - || _LIBICONV_VERSION >= 0x0105 - if (strchr (outcharset, '/') == NULL) - { - char *tmp; - - len = strlen (outcharset); - tmp = (char *) alloca (len + 10 + 1); - memcpy (tmp, outcharset, len); - memcpy (tmp + len, "//TRANSLIT", 10 + 1); - outcharset = tmp; - - domain->conv = iconv_open (outcharset, charset); - - freea (outcharset); - } - else -# endif - domain->conv = iconv_open (outcharset, charset); -# 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 (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 @@ -909,7 +780,8 @@ internal_function _nl_load_domain (struct loaded_l10nfile *domain_file, struct binding *domainbinding) { - int fd; + __libc_lock_define_initialized_recursive (static, lock) + int fd = -1; size_t size; #ifdef _LIBC struct stat64 st; @@ -921,8 +793,24 @@ _nl_load_domain (struct loaded_l10nfile *domain_file, struct loaded_domain *domain; int revision; const char *nullentry; + size_t nullentrylen; - domain_file->decided = 1; + __libc_lock_lock_recursive (lock); + if (domain_file->decided != 0) + { + /* There are two possibilities: + + + this is the same thread calling again during this initialization + via _nl_find_msg. We have initialized everything this call needs. + + + this is another thread which tried to initialize this object. + Not necessary anymore since if the lock is available this + is finished. + */ + goto done; + } + + domain_file->decided = -1; domain_file->data = NULL; /* Note that it would be useless to store domainbinding in domain_file @@ -934,12 +822,12 @@ _nl_load_domain (struct loaded_l10nfile *domain_file, specification the locale file name is different for XPG and CEN syntax. */ if (domain_file->filename == NULL) - return; + goto out; /* Try to open the addressed file. */ fd = open (domain_file->filename, O_RDONLY | O_BINARY); if (fd == -1) - return; + goto out; /* We must know about the size of the file. */ if ( @@ -950,11 +838,8 @@ _nl_load_domain (struct loaded_l10nfile *domain_file, #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; - } + /* Something went wrong. */ + goto out; #ifdef HAVE_MMAP /* Now we are ready to load the file. If mmap() is available we try @@ -966,6 +851,7 @@ _nl_load_domain (struct loaded_l10nfile *domain_file, { /* mmap() call was successful. */ close (fd); + fd = -1; use_mmap = 1; } #endif @@ -979,7 +865,7 @@ _nl_load_domain (struct loaded_l10nfile *domain_file, data = (struct mo_file_header *) malloc (size); if (data == NULL) - return; + goto out; to_read = size; read_ptr = (char *) data; @@ -992,8 +878,7 @@ _nl_load_domain (struct loaded_l10nfile *domain_file, if (nb == -1 && errno == EINTR) continue; #endif - close (fd); - return; + goto out; } read_ptr += nb; to_read -= nb; @@ -1001,6 +886,7 @@ _nl_load_domain (struct loaded_l10nfile *domain_file, while (to_read > 0); close (fd); + fd = -1; } /* Using the magic number we can test whether it really is a message @@ -1015,12 +901,12 @@ _nl_load_domain (struct loaded_l10nfile *domain_file, else #endif free (data); - return; + goto out; } domain = (struct loaded_domain *) malloc (sizeof (struct loaded_domain)); if (domain == NULL) - return; + goto out; domain_file->data = domain; domain->data = (char *) data; @@ -1090,6 +976,7 @@ _nl_load_domain (struct loaded_l10nfile *domain_file, ((char *) data + W (domain->must_swap, data->sysdep_segments_offset)); sysdep_segment_values = + (const char **) alloca (n_sysdep_segments * sizeof (const char *)); for (i = 0; i < n_sysdep_segments; i++) { @@ -1321,7 +1208,7 @@ _nl_load_domain (struct loaded_l10nfile *domain_file, for (i = 0; i < n_inmem_sysdep_strings; i++) { const char *msgid = inmem_orig_sysdep_tab[i].pointer; - nls_uint32 hash_val = hash_string (msgid); + nls_uint32 hash_val = __hash_string (msgid); nls_uint32 idx = hash_val % domain->hash_size; nls_uint32 incr = 1 + (hash_val % (domain->hash_size - 2)); @@ -1372,8 +1259,7 @@ _nl_load_domain (struct loaded_l10nfile *domain_file, /* This is an invalid revision. */ invalid: /* This is an invalid .mo file. */ - if (domain->malloced) - free (domain->malloced); + free (domain->malloced); #ifdef HAVE_MMAP if (use_mmap) munmap ((caddr_t) data, size); @@ -1382,31 +1268,58 @@ _nl_load_domain (struct loaded_l10nfile *domain_file, free (data); free (domain); domain_file->data = NULL; - return; + goto out; } - /* 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); + /* No caches of converted translations so far. */ + domain->conversions = NULL; + domain->nconversions = 0; + gl_rwlock_init (domain->conversions_lock); - /* Also look for a plural specification. */ + /* Get the header entry and look for a plural specification. */ +#ifdef IN_LIBGLOCALE + nullentry = + _nl_find_msg (domain_file, domainbinding, NULL, "", &nullentrylen); +#else + nullentry = _nl_find_msg (domain_file, domainbinding, "", 0, &nullentrylen); +#endif EXTRACT_PLURAL_EXPRESSION (nullentry, &domain->plural, &domain->nplurals); + + out: + if (fd != -1) + close (fd); + + domain_file->decided = 1; + + done: + __libc_lock_unlock_recursive (lock); } #ifdef _LIBC void -internal_function +internal_function __libc_freeres_fn_section _nl_unload_domain (struct loaded_domain *domain) { + size_t i; + if (domain->plural != &__gettext_germanic_plural) - __gettext_free_exp (domain->plural); + __gettext_free_exp ((struct expression *) domain->plural); + + for (i = 0; i < domain->nconversions; i++) + { + struct converted_domain *convd = &domain->conversions[i]; - _nl_free_domain_conv (domain); + free (convd->encoding); + if (convd->conv_tab != NULL && convd->conv_tab != (char **) -1) + free (convd->conv_tab); + if (convd->conv != (__gconv_t) -1) + __gconv_close (convd->conv); + } + free (domain->conversions); + __libc_rwlock_fini (domain->conversions_lock); - if (domain->malloced) - free (domain->malloced); + free (domain->malloced); # ifdef _POSIX_MAPPED_FILES if (domain->use_mmap)