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[/] [openrisc/] [trunk/] [gnu-stable/] [binutils-2.20.1/] [intl/] [explodename.c] - Blame information for rev 818

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/* Copyright (C) 1995-1998, 2000, 2001 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 it
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   under the terms of the GNU Library General Public License as published
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   by 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 GNU
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   Library General Public License for more details.
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   You should have received a copy of the GNU Library General Public
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   License along with this program; if not, write to the Free Software
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   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
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   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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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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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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char *
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_nl_find_language (name)
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     const char *name;
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{
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  while (name[0] != '\0' && name[0] != '_' && name[0] != '@'
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         && name[0] != '+' && name[0] != ',')
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    ++name;
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  return (char *) name;
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}
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int
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_nl_explode_name (name, language, modifier, territory, codeset,
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                  normalized_codeset, special, sponsor, revision)
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     char *name;
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     const char **language;
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     const char **modifier;
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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 **special;
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     const char **sponsor;
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     const char **revision;
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{
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  enum { undecided, xpg, cen } syntax;
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  char *cp;
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  int mask;
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  *modifier = NULL;
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  *territory = NULL;
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  *codeset = NULL;
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  *normalized_codeset = NULL;
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  *special = NULL;
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  *sponsor = NULL;
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  *revision = NULL;
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  /* Now we determine the single parts of the locale name.  First
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     look for the language.  Termination symbols are `_' and `@' if
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     we use XPG4 style, and `_', `+', and `,' if we use CEN syntax.  */
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  mask = 0;
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  syntax = undecided;
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  *language = cp = name;
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  cp = _nl_find_language (*language);
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  if (*language == cp)
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    /* This does not make sense: language has to be specified.  Use
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       this entry as it is without exploding.  Perhaps it is an alias.  */
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    cp = strchr (*language, '\0');
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  else if (cp[0] == '_')
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    {
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      /* Next is the territory.  */
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      cp[0] = '\0';
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      *territory = ++cp;
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      while (cp[0] != '\0' && cp[0] != '.' && cp[0] != '@'
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             && cp[0] != '+' && cp[0] != ',' && cp[0] != '_')
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        ++cp;
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      mask |= TERRITORY;
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      if (cp[0] == '.')
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        {
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          /* Next is the codeset.  */
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          syntax = xpg;
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          cp[0] = '\0';
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          *codeset = ++cp;
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          while (cp[0] != '\0' && cp[0] != '@')
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            ++cp;
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          mask |= XPG_CODESET;
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          if (*codeset != cp && (*codeset)[0] != '\0')
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            {
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              *normalized_codeset = _nl_normalize_codeset (*codeset,
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                                                           cp - *codeset);
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              if (strcmp (*codeset, *normalized_codeset) == 0)
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                free ((char *) *normalized_codeset);
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              else
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                mask |= XPG_NORM_CODESET;
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            }
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        }
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    }
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  if (cp[0] == '@' || (syntax != xpg && cp[0] == '+'))
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    {
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      /* Next is the modifier.  */
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      syntax = cp[0] == '@' ? xpg : cen;
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      cp[0] = '\0';
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      *modifier = ++cp;
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      while (syntax == cen && cp[0] != '\0' && cp[0] != '+'
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             && cp[0] != ',' && cp[0] != '_')
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        ++cp;
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      mask |= XPG_MODIFIER | CEN_AUDIENCE;
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    }
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  if (syntax != xpg && (cp[0] == '+' || cp[0] == ',' || cp[0] == '_'))
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    {
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      syntax = cen;
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      if (cp[0] == '+')
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        {
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          /* Next is special application (CEN syntax).  */
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          cp[0] = '\0';
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          *special = ++cp;
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          while (cp[0] != '\0' && cp[0] != ',' && cp[0] != '_')
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            ++cp;
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          mask |= CEN_SPECIAL;
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        }
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      if (cp[0] == ',')
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        {
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          /* Next is sponsor (CEN syntax).  */
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          cp[0] = '\0';
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          *sponsor = ++cp;
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          while (cp[0] != '\0' && cp[0] != '_')
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            ++cp;
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          mask |= CEN_SPONSOR;
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        }
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      if (cp[0] == '_')
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        {
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          /* Next is revision (CEN syntax).  */
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          cp[0] = '\0';
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          *revision = ++cp;
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          mask |= CEN_REVISION;
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        }
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    }
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  /* For CEN syntax values it might be important to have the
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     separator character in the file name, not for XPG syntax.  */
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  if (syntax == xpg)
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    {
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      if (*territory != NULL && (*territory)[0] == '\0')
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        mask &= ~TERRITORY;
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      if (*codeset != NULL && (*codeset)[0] == '\0')
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        mask &= ~XPG_CODESET;
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      if (*modifier != NULL && (*modifier)[0] == '\0')
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        mask &= ~XPG_MODIFIER;
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    }
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  return mask;
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}

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