diff options
Diffstat (limited to 'intl/l10nflist.c')
| -rw-r--r-- | intl/l10nflist.c | 196 |
1 files changed, 119 insertions, 77 deletions
diff --git a/intl/l10nflist.c b/intl/l10nflist.c index 3ef93b8..e858a99 100644 --- a/intl/l10nflist.c +++ b/intl/l10nflist.c @@ -1,52 +1,40 @@ -/* Handle list of needed message catalogs - Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. +/* 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 General Public License as published by - the Free Software Foundation; either version 2, or (at your option) + 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 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ + 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 - -#if defined HAVE_STRING_H || defined _LIBC -# ifndef _GNU_SOURCE -# define _GNU_SOURCE 1 -# endif -# include <string.h> -#else -# include <strings.h> -# ifndef memcpy -# define memcpy(Dst, Src, Num) bcopy (Src, Dst, Num) -# endif -#endif -#if !HAVE_STRCHR && !defined _LIBC -# ifndef strchr -# define strchr index -# endif -#endif +#include <string.h> #if defined _LIBC || defined HAVE_ARGZ_H # include <argz.h> #endif #include <ctype.h> #include <sys/types.h> - -#if defined STDC_HEADERS || defined _LIBC -# include <stdlib.h> -#endif +#include <stdlib.h> #include "loadinfo.h" @@ -74,6 +62,24 @@ 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 @@ -97,6 +103,10 @@ argz_count__ (argz, len) } # 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 @@ -121,6 +131,11 @@ argz_stringify__ (argz, len, 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 @@ -188,12 +203,18 @@ _nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language, int do_allocate; { char *abs_filename; - struct loaded_l10nfile *last = NULL; + 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) @@ -211,7 +232,7 @@ _nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language, + (((mask & CEN_SPONSOR) != 0 || (mask & CEN_REVISION) != 0) ? (1 + ((mask & CEN_SPONSOR) != 0 - ? strlen (sponsor) + 1 : 0) + ? strlen (sponsor) : 0) + ((mask & CEN_REVISION) != 0 ? strlen (revision) + 1 : 0)) : 0) + 1 + strlen (filename) + 1); @@ -219,14 +240,16 @@ _nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language, if (abs_filename == NULL) return NULL; - retval = NULL; - last = NULL; - /* Construct file name. */ - memcpy (abs_filename, dirlist, dirlist_len); - __argz_stringify (abs_filename, dirlist_len, ':'); - cp = abs_filename + (dirlist_len - 1); - *cp++ = '/'; + 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) @@ -273,7 +296,7 @@ _nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language, /* Look in list of already loaded domains whether it is already available. */ - last = NULL; + lastp = l10nfile_list; for (retval = *l10nfile_list; retval != NULL; retval = retval->next) if (retval->filename != NULL) { @@ -288,7 +311,7 @@ _nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language, break; } - last = retval; + lastp = &retval->next; } if (retval != NULL || do_allocate == 0) @@ -297,48 +320,66 @@ _nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language, return retval; } - retval = (struct loaded_l10nfile *) - malloc (sizeof (*retval) + (__argz_count (dirlist, dirlist_len) - * (1 << pop (mask)) - * sizeof (struct loaded_l10nfile *))); + 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; - retval->decided = (__argz_count (dirlist, dirlist_len) != 1 + + /* 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; - if (last == NULL) - { - retval->next = *l10nfile_list; - *l10nfile_list = retval; - } - else - { - retval->next = last->next; - last->next = retval; - } + retval->next = *lastp; + *lastp = retval; entries = 0; - /* If the DIRLIST is a real list the RETVAL entry corresponds not to - a real file. So we have to use the DIRLIST separation mechanism - of the inner loop. */ - cnt = __argz_count (dirlist, dirlist_len) == 1 ? mask - 1 : mask; - for (; cnt >= 0; --cnt) + /* 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)) { - /* Iterate over all elements of the DIRLIST. */ - char *dir = NULL; - - while ((dir = __argz_next ((char *) dirlist, dirlist_len, dir)) - != NULL) + 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, dir, strlen (dir) + 1, cnt, - language, territory, codeset, + = _nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, + cnt, language, territory, codeset, normalized_codeset, modifier, special, sponsor, revision, filename, 1); } @@ -349,10 +390,11 @@ _nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language, /* Normalize codeset name. There is no standard for the codeset names. Normalization allows the user to use any of the common - names. */ + names. The return value is dynamically allocated and has to be + freed by the caller. */ const char * _nl_normalize_codeset (codeset, name_len) - const unsigned char *codeset; + const char *codeset; size_t name_len; { int len = 0; @@ -362,11 +404,11 @@ _nl_normalize_codeset (codeset, name_len) size_t cnt; for (cnt = 0; cnt < name_len; ++cnt) - if (isalnum (codeset[cnt])) + if (isalnum ((unsigned char) codeset[cnt])) { ++len; - if (isalpha (codeset[cnt])) + if (isalpha ((unsigned char) codeset[cnt])) only_digit = 0; } @@ -380,9 +422,9 @@ _nl_normalize_codeset (codeset, name_len) wp = retval; for (cnt = 0; cnt < name_len; ++cnt) - if (isalpha (codeset[cnt])) - *wp++ = tolower (codeset[cnt]); - else if (isdigit (codeset[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'; |