/* Copyright (C) 1995-1998, 2000-2001, 2003, 2005 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.  */#ifdef HAVE_CONFIG_H# include <config.h>#endif#include <stdlib.h>#include <string.h>#include <sys/types.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 @@ *//* Split a locale name NAME into a leading language part and all the   rest.  Return a pointer to the first character after the language,   i.e. to the first byte of the rest.  */static char *_nl_find_language (const char *name);static char *_nl_find_language (const char *name){  while (name[0] != '\0' && name[0] != '_' && name[0] != '@' && name[0] != '.')    ++name;  return (char *) name;}int_nl_explode_name (char *name,		  const char **language, const char **modifier,		  const char **territory, const char **codeset,		  const char **normalized_codeset){  char *cp;  int mask;  *modifier = NULL;  *territory = NULL;  *codeset = NULL;  *normalized_codeset = NULL;  /* Now we determine the single parts of the locale name.  First     look for the language.  Termination symbols are `_', '.', and `@'.  */  mask = 0;  *language = cp = name;  cp = _nl_find_language (*language);  if (*language == cp)    /* This does not make sense: language has to be specified.  Use       this entry as it is without exploding.  Perhaps it is an alias.  */    cp = strchr (*language, '\0');  else    {      if (cp[0] == '_')	{	  /* Next is the territory.  */	  cp[0] = '\0';	  *territory = ++cp;	  while (cp[0] != '\0' && cp[0] != '.' && cp[0] != '@')	    ++cp;	  mask |= XPG_TERRITORY;	}      if (cp[0] == '.')	{	  /* Next is the codeset.  */	  cp[0] = '\0';	  *codeset = ++cp;	  while (cp[0] != '\0' && cp[0] != '@')	    ++cp;	  mask |= XPG_CODESET;	  if (*codeset != cp && (*codeset)[0] != '\0')	    {	      *normalized_codeset = _nl_normalize_codeset (*codeset,							   cp - *codeset);	      if (strcmp (*codeset, *normalized_codeset) == 0)		free ((char *) *normalized_codeset);	      else		mask |= XPG_NORM_CODESET;	    }	}    }  if (cp[0] == '@')    {      /* Next is the modifier.  */      cp[0] = '\0';      *modifier = ++cp;      if (cp[0] != '\0')	mask |= XPG_MODIFIER;    }  if (*territory != NULL && (*territory)[0] == '\0')    mask &= ~XPG_TERRITORY;  if (*codeset != NULL && (*codeset)[0] == '\0')    mask &= ~XPG_CODESET;  return mask;}