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/* Handle list of needed message catalogs
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Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
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Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#if defined HAVE_STRING_H || defined _LIBC
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# ifndef _GNU_SOURCE
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# define _GNU_SOURCE 1
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# endif
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# include <string.h>
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#else
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# include <strings.h>
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# ifndef memcpy
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# define memcpy(Dst, Src, Num) bcopy (Src, Dst, Num)
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# endif
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#endif
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#if !HAVE_STRCHR && !defined _LIBC
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# ifndef strchr
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# define strchr index
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# endif
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#endif
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#if defined _LIBC || defined HAVE_ARGZ_H
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# include <argz.h>
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#endif
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#include <ctype.h>
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#include <sys/types.h>
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#if defined STDC_HEADERS || defined _LIBC
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# include <stdlib.h>
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#endif
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#include "loadinfo.h"
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/* On some strange systems still no definition of NULL is found. Sigh! */
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#ifndef NULL
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# if defined __STDC__ && __STDC__
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# define NULL ((void *) 0)
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# else
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# define NULL 0
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# endif
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#endif
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/* @@ end of prolog @@ */
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#ifdef _LIBC
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/* Rename the non ANSI C functions. This is required by the standard
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because some ANSI C functions will require linking with this object
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file and the name space must not be polluted. */
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# ifndef stpcpy
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# define stpcpy(dest, src) __stpcpy(dest, src)
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# endif
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#else
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# ifndef HAVE_STPCPY
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static char *stpcpy PARAMS ((char *dest, const char *src));
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# endif
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#endif
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/* Define function which are usually not available. */
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#if !defined _LIBC && !defined HAVE___ARGZ_COUNT
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/* Returns the number of strings in ARGZ. */
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static size_t argz_count__ PARAMS ((const char *argz, size_t len));
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static size_t
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argz_count__ (argz, len)
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const char *argz;
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size_t len;
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{
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size_t count = 0;
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while (len > 0)
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{
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size_t part_len = strlen (argz);
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argz += part_len + 1;
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len -= part_len + 1;
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count++;
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}
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return count;
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}
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# undef __argz_count
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# define __argz_count(argz, len) argz_count__ (argz, len)
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#endif /* !_LIBC && !HAVE___ARGZ_COUNT */
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#if !defined _LIBC && !defined HAVE___ARGZ_STRINGIFY
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/* Make '\0' separated arg vector ARGZ printable by converting all the '\0's
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except the last into the character SEP. */
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static void argz_stringify__ PARAMS ((char *argz, size_t len, int sep));
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static void
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argz_stringify__ (argz, len, sep)
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char *argz;
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size_t len;
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int sep;
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{
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while (len > 0)
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{
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size_t part_len = strlen (argz);
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argz += part_len;
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len -= part_len + 1;
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if (len > 0)
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*argz++ = sep;
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}
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}
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# undef __argz_stringify
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# define __argz_stringify(argz, len, sep) argz_stringify__ (argz, len, sep)
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#endif /* !_LIBC && !HAVE___ARGZ_STRINGIFY */
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#if !defined _LIBC && !defined HAVE___ARGZ_NEXT
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static char *argz_next__ PARAMS ((char *argz, size_t argz_len,
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const char *entry));
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static char *
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argz_next__ (argz, argz_len, entry)
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char *argz;
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size_t argz_len;
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const char *entry;
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{
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if (entry)
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{
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if (entry < argz + argz_len)
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entry = strchr (entry, '\0') + 1;
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return entry >= argz + argz_len ? NULL : (char *) entry;
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}
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else
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if (argz_len > 0)
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return argz;
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else
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return 0;
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}
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# undef __argz_next
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# define __argz_next(argz, len, entry) argz_next__ (argz, len, entry)
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#endif /* !_LIBC && !HAVE___ARGZ_NEXT */
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/* Return number of bits set in X. */
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static int pop PARAMS ((int x));
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static inline int
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pop (x)
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int x;
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{
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/* We assume that no more than 16 bits are used. */
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x = ((x & ~0x5555) >> 1) + (x & 0x5555);
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x = ((x & ~0x3333) >> 2) + (x & 0x3333);
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x = ((x >> 4) + x) & 0x0f0f;
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x = ((x >> 8) + x) & 0xff;
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return x;
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}
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struct loaded_l10nfile *
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_nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language,
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territory, codeset, normalized_codeset, modifier, special,
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sponsor, revision, filename, do_allocate)
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struct loaded_l10nfile **l10nfile_list;
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const char *dirlist;
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size_t dirlist_len;
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int mask;
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const char *language;
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const char *territory;
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const char *codeset;
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const char *normalized_codeset;
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const char *modifier;
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const char *special;
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const char *sponsor;
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const char *revision;
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const char *filename;
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int do_allocate;
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{
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char *abs_filename;
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struct loaded_l10nfile *last = NULL;
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struct loaded_l10nfile *retval;
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char *cp;
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size_t entries;
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int cnt;
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/* Allocate room for the full file name. */
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abs_filename = (char *) malloc (dirlist_len
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+ strlen (language)
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+ ((mask & TERRITORY) != 0
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? strlen (territory) + 1 : 0)
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+ ((mask & XPG_CODESET) != 0
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? strlen (codeset) + 1 : 0)
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+ ((mask & XPG_NORM_CODESET) != 0
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? strlen (normalized_codeset) + 1 : 0)
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+ (((mask & XPG_MODIFIER) != 0
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|| (mask & CEN_AUDIENCE) != 0)
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? strlen (modifier) + 1 : 0)
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+ ((mask & CEN_SPECIAL) != 0
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? strlen (special) + 1 : 0)
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+ (((mask & CEN_SPONSOR) != 0
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|| (mask & CEN_REVISION) != 0)
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? (1 + ((mask & CEN_SPONSOR) != 0
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? strlen (sponsor) + 1 : 0)
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+ ((mask & CEN_REVISION) != 0
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? strlen (revision) + 1 : 0)) : 0)
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+ 1 + strlen (filename) + 1);
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if (abs_filename == NULL)
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return NULL;
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retval = NULL;
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last = NULL;
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/* Construct file name. */
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memcpy (abs_filename, dirlist, dirlist_len);
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__argz_stringify (abs_filename, dirlist_len, ':');
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cp = abs_filename + (dirlist_len - 1);
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*cp++ = '/';
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cp = stpcpy (cp, language);
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if ((mask & TERRITORY) != 0)
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{
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*cp++ = '_';
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cp = stpcpy (cp, territory);
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}
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if ((mask & XPG_CODESET) != 0)
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{
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*cp++ = '.';
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cp = stpcpy (cp, codeset);
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}
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if ((mask & XPG_NORM_CODESET) != 0)
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{
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*cp++ = '.';
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cp = stpcpy (cp, normalized_codeset);
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}
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if ((mask & (XPG_MODIFIER | CEN_AUDIENCE)) != 0)
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{
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/* This component can be part of both syntaces but has different
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leading characters. For CEN we use `+', else `@'. */
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*cp++ = (mask & CEN_AUDIENCE) != 0 ? '+' : '@';
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cp = stpcpy (cp, modifier);
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}
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if ((mask & CEN_SPECIAL) != 0)
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{
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*cp++ = '+';
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cp = stpcpy (cp, special);
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}
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if ((mask & (CEN_SPONSOR | CEN_REVISION)) != 0)
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{
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*cp++ = ',';
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if ((mask & CEN_SPONSOR) != 0)
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cp = stpcpy (cp, sponsor);
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if ((mask & CEN_REVISION) != 0)
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{
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*cp++ = '_';
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cp = stpcpy (cp, revision);
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}
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}
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*cp++ = '/';
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stpcpy (cp, filename);
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/* Look in list of already loaded domains whether it is already
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available. */
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last = NULL;
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for (retval = *l10nfile_list; retval != NULL; retval = retval->next)
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if (retval->filename != NULL)
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{
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int compare = strcmp (retval->filename, abs_filename);
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if (compare == 0)
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/* We found it! */
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break;
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if (compare < 0)
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{
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/* It's not in the list. */
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retval = NULL;
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break;
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}
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last = retval;
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}
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if (retval != NULL || do_allocate == 0)
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{
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free (abs_filename);
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return retval;
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}
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retval = (struct loaded_l10nfile *)
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malloc (sizeof (*retval) + (__argz_count (dirlist, dirlist_len)
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* (1 << pop (mask))
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* sizeof (struct loaded_l10nfile *)));
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if (retval == NULL)
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return NULL;
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retval->filename = abs_filename;
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retval->decided = (__argz_count (dirlist, dirlist_len) != 1
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|| ((mask & XPG_CODESET) != 0
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&& (mask & XPG_NORM_CODESET) != 0));
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retval->data = NULL;
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if (last == NULL)
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{
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retval->next = *l10nfile_list;
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*l10nfile_list = retval;
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}
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else
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{
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retval->next = last->next;
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last->next = retval;
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}
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entries = 0;
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/* If the DIRLIST is a real list the RETVAL entry corresponds not to
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a real file. So we have to use the DIRLIST separation mechanism
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of the inner loop. */
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cnt = __argz_count (dirlist, dirlist_len) == 1 ? mask - 1 : mask;
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for (; cnt >= 0; --cnt)
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if ((cnt & ~mask) == 0
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&& ((cnt & CEN_SPECIFIC) == 0 || (cnt & XPG_SPECIFIC) == 0)
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&& ((cnt & XPG_CODESET) == 0 || (cnt & XPG_NORM_CODESET) == 0))
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{
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/* Iterate over all elements of the DIRLIST. */
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char *dir = NULL;
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while ((dir = __argz_next ((char *) dirlist, dirlist_len, dir))
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!= NULL)
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retval->successor[entries++]
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= _nl_make_l10nflist (l10nfile_list, dir, strlen (dir) + 1, cnt,
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language, territory, codeset,
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normalized_codeset, modifier, special,
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sponsor, revision, filename, 1);
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}
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retval->successor[entries] = NULL;
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return retval;
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}
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/* Normalize codeset name. There is no standard for the codeset
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names. Normalization allows the user to use any of the common
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names. */
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const char *
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_nl_normalize_codeset (codeset, name_len)
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const unsigned char *codeset;
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size_t name_len;
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{
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int len = 0;
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int only_digit = 1;
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char *retval;
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char *wp;
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size_t cnt;
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for (cnt = 0; cnt < name_len; ++cnt)
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if (isalnum (codeset[cnt]))
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{
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++len;
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if (isalpha (codeset[cnt]))
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only_digit = 0;
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}
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retval = (char *) malloc ((only_digit ? 3 : 0) + len + 1);
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if (retval != NULL)
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{
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if (only_digit)
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wp = stpcpy (retval, "iso");
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else
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wp = retval;
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for (cnt = 0; cnt < name_len; ++cnt)
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if (isalpha (codeset[cnt]))
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*wp++ = tolower (codeset[cnt]);
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else if (isdigit (codeset[cnt]))
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*wp++ = codeset[cnt];
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*wp = '\0';
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}
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return (const char *) retval;
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}
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|
/* @@ begin of epilog @@ */
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|
/* We don't want libintl.a to depend on any other library. So we
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|
avoid the non-standard function stpcpy. In GNU C Library this
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|
function is available, though. Also allow the symbol HAVE_STPCPY
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|
to be defined. */
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|
|
#if !_LIBC && !HAVE_STPCPY
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|
|
static char *
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stpcpy (dest, src)
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|
|
char *dest;
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|
const char *src;
|
|
|
{
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|
while ((*dest++ = *src++) != '\0')
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/* Do nothing. */ ;
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|
return dest - 1;
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}
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#endif
|
