| /* Copyright (C) 1995-1999, 2000, 2001, 2002 Free Software Foundation, Inc. |
| Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995. |
| |
| 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 |
| 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 |
| Library General Public License for more details. |
| |
| 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, |
| USA. */ |
| |
| /* Tell glibc's <string.h> to provide a prototype for stpcpy(). |
| 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 <string.h> |
| |
| #if defined _LIBC || defined HAVE_ARGZ_H |
| # include <argz.h> |
| #endif |
| #include <ctype.h> |
| #include <sys/types.h> |
| #include <stdlib.h> |
| |
| #include "loadinfo.h" |
| |
| /* On some strange systems still no definition of NULL is found. Sigh! */ |
| #ifndef NULL |
| # if defined __STDC__ && __STDC__ |
| # define NULL ((void *) 0) |
| # else |
| # define NULL 0 |
| # endif |
| #endif |
| |
| /* @@ end of prolog @@ */ |
| |
| #ifdef _LIBC |
| /* Rename the non ANSI C functions. This is required by the standard |
| because some ANSI C functions will require linking with this object |
| file and the name space must not be polluted. */ |
| # ifndef stpcpy |
| # define stpcpy(dest, src) __stpcpy(dest, src) |
| # endif |
| #else |
| # ifndef HAVE_STPCPY |
| static char *stpcpy PARAMS ((char *dest, const char *src)); |
| # endif |
| #endif |
| |
| /* Pathname support. |
| ISSLASH(C) tests whether C is a directory separator character. |
| IS_ABSOLUTE_PATH(P) tests whether P is an absolute path. If it is not, |
| it may be concatenated to a directory pathname. |
| */ |
| #if defined _WIN32 || defined __WIN32__ || defined __EMX__ || defined __DJGPP__ |
| /* Win32, OS/2, DOS */ |
| # define ISSLASH(C) ((C) == '/' || (C) == '\\') |
| # define HAS_DEVICE(P) \ |
| ((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \ |
| && (P)[1] == ':') |
| # define IS_ABSOLUTE_PATH(P) (ISSLASH ((P)[0]) || HAS_DEVICE (P)) |
| #else |
| /* Unix */ |
| # define ISSLASH(C) ((C) == '/') |
| # define IS_ABSOLUTE_PATH(P) ISSLASH ((P)[0]) |
| #endif |
| |
| /* Define function which are usually not available. */ |
| |
| #if !defined _LIBC && !defined HAVE___ARGZ_COUNT |
| /* Returns the number of strings in ARGZ. */ |
| static size_t argz_count__ PARAMS ((const char *argz, size_t len)); |
| |
| static size_t |
| argz_count__ (argz, len) |
| const char *argz; |
| size_t len; |
| { |
| size_t count = 0; |
| while (len > 0) |
| { |
| size_t part_len = strlen (argz); |
| argz += part_len + 1; |
| len -= part_len + 1; |
| count++; |
| } |
| return count; |
| } |
| # undef __argz_count |
| # define __argz_count(argz, len) argz_count__ (argz, len) |
| #else |
| # ifdef _LIBC |
| # define __argz_count(argz, len) INTUSE(__argz_count) (argz, len) |
| # endif |
| #endif /* !_LIBC && !HAVE___ARGZ_COUNT */ |
| |
| #if !defined _LIBC && !defined HAVE___ARGZ_STRINGIFY |
| /* Make '\0' separated arg vector ARGZ printable by converting all the '\0's |
| except the last into the character SEP. */ |
| static void argz_stringify__ PARAMS ((char *argz, size_t len, int sep)); |
| |
| static void |
| argz_stringify__ (argz, len, sep) |
| char *argz; |
| size_t len; |
| int sep; |
| { |
| while (len > 0) |
| { |
| size_t part_len = strlen (argz); |
| argz += part_len; |
| len -= part_len + 1; |
| if (len > 0) |
| *argz++ = sep; |
| } |
| } |
| # undef __argz_stringify |
| # define __argz_stringify(argz, len, sep) argz_stringify__ (argz, len, sep) |
| #else |
| # ifdef _LIBC |
| # define __argz_stringify(argz, len, sep) \ |
| INTUSE(__argz_stringify) (argz, len, sep) |
| # endif |
| #endif /* !_LIBC && !HAVE___ARGZ_STRINGIFY */ |
| |
| #if !defined _LIBC && !defined HAVE___ARGZ_NEXT |
| static char *argz_next__ PARAMS ((char *argz, size_t argz_len, |
| const char *entry)); |
| |
| static char * |
| argz_next__ (argz, argz_len, entry) |
| char *argz; |
| size_t argz_len; |
| const char *entry; |
| { |
| if (entry) |
| { |
| if (entry < argz + argz_len) |
| entry = strchr (entry, '\0') + 1; |
| |
| return entry >= argz + argz_len ? NULL : (char *) entry; |
| } |
| else |
| if (argz_len > 0) |
| return argz; |
| else |
| return 0; |
| } |
| # undef __argz_next |
| # define __argz_next(argz, len, entry) argz_next__ (argz, len, entry) |
| #endif /* !_LIBC && !HAVE___ARGZ_NEXT */ |
| |
| |
| /* Return number of bits set in X. */ |
| static int pop PARAMS ((int x)); |
| |
| static inline int |
| pop (x) |
| int x; |
| { |
| /* We assume that no more than 16 bits are used. */ |
| x = ((x & ~0x5555) >> 1) + (x & 0x5555); |
| x = ((x & ~0x3333) >> 2) + (x & 0x3333); |
| x = ((x >> 4) + x) & 0x0f0f; |
| x = ((x >> 8) + x) & 0xff; |
| |
| return x; |
| } |
| |
| |
| struct loaded_l10nfile * |
| _nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language, |
| territory, codeset, normalized_codeset, modifier, special, |
| sponsor, revision, filename, do_allocate) |
| struct loaded_l10nfile **l10nfile_list; |
| const char *dirlist; |
| size_t dirlist_len; |
| int mask; |
| const char *language; |
| const char *territory; |
| const char *codeset; |
| const char *normalized_codeset; |
| const char *modifier; |
| const char *special; |
| const char *sponsor; |
| const char *revision; |
| const char *filename; |
| int do_allocate; |
| { |
| char *abs_filename; |
| struct loaded_l10nfile **lastp; |
| struct loaded_l10nfile *retval; |
| char *cp; |
| size_t dirlist_count; |
| size_t entries; |
| int cnt; |
| |
| /* If LANGUAGE contains an absolute directory specification, we ignore |
| DIRLIST. */ |
| if (IS_ABSOLUTE_PATH (language)) |
| dirlist_len = 0; |
| |
| /* Allocate room for the full file name. */ |
| abs_filename = (char *) malloc (dirlist_len |
| + strlen (language) |
| + ((mask & TERRITORY) != 0 |
| ? strlen (territory) + 1 : 0) |
| + ((mask & XPG_CODESET) != 0 |
| ? strlen (codeset) + 1 : 0) |
| + ((mask & XPG_NORM_CODESET) != 0 |
| ? strlen (normalized_codeset) + 1 : 0) |
| + (((mask & XPG_MODIFIER) != 0 |
| || (mask & CEN_AUDIENCE) != 0) |
| ? strlen (modifier) + 1 : 0) |
| + ((mask & CEN_SPECIAL) != 0 |
| ? strlen (special) + 1 : 0) |
| + (((mask & CEN_SPONSOR) != 0 |
| || (mask & CEN_REVISION) != 0) |
| ? (1 + ((mask & CEN_SPONSOR) != 0 |
| ? strlen (sponsor) : 0) |
| + ((mask & CEN_REVISION) != 0 |
| ? strlen (revision) + 1 : 0)) : 0) |
| + 1 + strlen (filename) + 1); |
| |
| if (abs_filename == NULL) |
| return NULL; |
| |
| /* Construct file name. */ |
| cp = abs_filename; |
| if (dirlist_len > 0) |
| { |
| memcpy (cp, dirlist, dirlist_len); |
| __argz_stringify (cp, dirlist_len, PATH_SEPARATOR); |
| cp += dirlist_len; |
| cp[-1] = '/'; |
| } |
| |
| cp = stpcpy (cp, language); |
| |
| if ((mask & TERRITORY) != 0) |
| { |
| *cp++ = '_'; |
| cp = stpcpy (cp, territory); |
| } |
| if ((mask & XPG_CODESET) != 0) |
| { |
| *cp++ = '.'; |
| cp = stpcpy (cp, codeset); |
| } |
| if ((mask & XPG_NORM_CODESET) != 0) |
| { |
| *cp++ = '.'; |
| cp = stpcpy (cp, normalized_codeset); |
| } |
| if ((mask & (XPG_MODIFIER | CEN_AUDIENCE)) != 0) |
| { |
| /* This component can be part of both syntaces but has different |
| leading characters. For CEN we use `+', else `@'. */ |
| *cp++ = (mask & CEN_AUDIENCE) != 0 ? '+' : '@'; |
| cp = stpcpy (cp, modifier); |
| } |
| if ((mask & CEN_SPECIAL) != 0) |
| { |
| *cp++ = '+'; |
| cp = stpcpy (cp, special); |
| } |
| if ((mask & (CEN_SPONSOR | CEN_REVISION)) != 0) |
| { |
| *cp++ = ','; |
| if ((mask & CEN_SPONSOR) != 0) |
| cp = stpcpy (cp, sponsor); |
| if ((mask & CEN_REVISION) != 0) |
| { |
| *cp++ = '_'; |
| cp = stpcpy (cp, revision); |
| } |
| } |
| |
| *cp++ = '/'; |
| stpcpy (cp, filename); |
| |
| /* Look in list of already loaded domains whether it is already |
| available. */ |
| lastp = l10nfile_list; |
| for (retval = *l10nfile_list; retval != NULL; retval = retval->next) |
| if (retval->filename != NULL) |
| { |
| int compare = strcmp (retval->filename, abs_filename); |
| if (compare == 0) |
| /* We found it! */ |
| break; |
| if (compare < 0) |
| { |
| /* It's not in the list. */ |
| retval = NULL; |
| break; |
| } |
| |
| lastp = &retval->next; |
| } |
| |
| if (retval != NULL || do_allocate == 0) |
| { |
| free (abs_filename); |
| return retval; |
| } |
| |
| dirlist_count = (dirlist_len > 0 ? __argz_count (dirlist, dirlist_len) : 1); |
| |
| /* Allocate a new loaded_l10nfile. */ |
| retval = |
| (struct loaded_l10nfile *) |
| malloc (sizeof (*retval) |
| + (((dirlist_count << pop (mask)) + (dirlist_count > 1 ? 1 : 0)) |
| * sizeof (struct loaded_l10nfile *))); |
| if (retval == NULL) |
| return NULL; |
| |
| retval->filename = abs_filename; |
| |
| /* We set retval->data to NULL here; it is filled in later. |
| Setting retval->decided to 1 here means that retval does not |
| correspond to a real file (dirlist_count > 1) or is not worth |
| looking up (if an unnormalized codeset was specified). */ |
| retval->decided = (dirlist_count > 1 |
| || ((mask & XPG_CODESET) != 0 |
| && (mask & XPG_NORM_CODESET) != 0)); |
| retval->data = NULL; |
| |
| retval->next = *lastp; |
| *lastp = retval; |
| |
| entries = 0; |
| /* Recurse to fill the inheritance list of RETVAL. |
| If the DIRLIST is a real list (i.e. DIRLIST_COUNT > 1), the RETVAL |
| entry does not correspond to a real file; retval->filename contains |
| colons. In this case we loop across all elements of DIRLIST and |
| across all bit patterns dominated by MASK. |
| If the DIRLIST is a single directory or entirely redundant (i.e. |
| DIRLIST_COUNT == 1), we loop across all bit patterns dominated by |
| MASK, excluding MASK itself. |
| In either case, we loop down from MASK to 0. This has the effect |
| that the extra bits in the locale name are dropped in this order: |
| first the modifier, then the territory, then the codeset, then the |
| normalized_codeset. */ |
| for (cnt = dirlist_count > 1 ? mask : mask - 1; cnt >= 0; --cnt) |
| if ((cnt & ~mask) == 0 |
| && ((cnt & CEN_SPECIFIC) == 0 || (cnt & XPG_SPECIFIC) == 0) |
| && ((cnt & XPG_CODESET) == 0 || (cnt & XPG_NORM_CODESET) == 0)) |
| { |
| if (dirlist_count > 1) |
| { |
| /* Iterate over all elements of the DIRLIST. */ |
| char *dir = NULL; |
| |
| while ((dir = __argz_next ((char *) dirlist, dirlist_len, dir)) |
| != NULL) |
| retval->successor[entries++] |
| = _nl_make_l10nflist (l10nfile_list, dir, strlen (dir) + 1, |
| cnt, language, territory, codeset, |
| normalized_codeset, modifier, special, |
| sponsor, revision, filename, 1); |
| } |
| else |
| retval->successor[entries++] |
| = _nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, |
| cnt, language, territory, codeset, |
| normalized_codeset, modifier, special, |
| sponsor, revision, filename, 1); |
| } |
| retval->successor[entries] = NULL; |
| |
| return retval; |
| } |
| |
| /* Normalize codeset name. There is no standard for the codeset |
| names. Normalization allows the user to use any of the common |
| names. The return value is dynamically allocated and has to be |
| freed by the caller. */ |
| const char * |
| _nl_normalize_codeset (codeset, name_len) |
| const char *codeset; |
| size_t name_len; |
| { |
| int len = 0; |
| int only_digit = 1; |
| char *retval; |
| char *wp; |
| size_t cnt; |
| |
| for (cnt = 0; cnt < name_len; ++cnt) |
| if (isalnum ((unsigned char) codeset[cnt])) |
| { |
| ++len; |
| |
| if (isalpha ((unsigned char) codeset[cnt])) |
| only_digit = 0; |
| } |
| |
| retval = (char *) malloc ((only_digit ? 3 : 0) + len + 1); |
| |
| if (retval != NULL) |
| { |
| if (only_digit) |
| wp = stpcpy (retval, "iso"); |
| else |
| wp = retval; |
| |
| for (cnt = 0; cnt < name_len; ++cnt) |
| if (isalpha ((unsigned char) codeset[cnt])) |
| *wp++ = tolower ((unsigned char) codeset[cnt]); |
| else if (isdigit ((unsigned char) codeset[cnt])) |
| *wp++ = codeset[cnt]; |
| |
| *wp = '\0'; |
| } |
| |
| return (const char *) retval; |
| } |
| |
| |
| /* @@ begin of epilog @@ */ |
| |
| /* We don't want libintl.a to depend on any other library. So we |
| avoid the non-standard function stpcpy. In GNU C Library this |
| function is available, though. Also allow the symbol HAVE_STPCPY |
| to be defined. */ |
| #if !_LIBC && !HAVE_STPCPY |
| static char * |
| stpcpy (dest, src) |
| char *dest; |
| const char *src; |
| { |
| while ((*dest++ = *src++) != '\0') |
| /* Do nothing. */ ; |
| return dest - 1; |
| } |
| #endif |