/* Creating working area.  */  single_locale = (char *) alloca (strlen (categoryvalue) + 1);  ADD_BLOCK (block_list, single_locale);  /* Search for the given string.  This is a loop because we perhaps     got an ordered list of languages to consider for th translation.  */  while (1)    {      /* Make CATEGORYVALUE point to the next element of the list.  */      while (categoryvalue[0] != '\0' && categoryvalue[0] == ':')	++categoryvalue;      if (categoryvalue[0] == '\0')	{	  /* The whole contents of CATEGORYVALUE has been searched but	     no valid entry has been found.  We solve this situation	     by implicitly appending a "C" entry, i.e. no translation	     will take place.  */	  single_locale[0] = 'C';	  single_locale[1] = '\0';	}      else	{	  char *cp = single_locale;	  while (categoryvalue[0] != '\0' && categoryvalue[0] != ':')	    *cp++ = *categoryvalue++;	  *cp = '\0';	}      /* If the current locale value is C (or POSIX) we don't load a	 domain.  Return the MSGID.  */      if (strcmp (single_locale, "C") == 0	  || strcmp (single_locale, "POSIX") == 0)	{	  FREE_BLOCKS (block_list);	  __set_errno (saved_errno);	  return (char *) msgid;	}      /* Find structure describing the message catalog matching the	 DOMAINNAME and CATEGORY.  */      domain = _nl_find_domain (dirname, single_locale, xdomainname);      if (domain != NULL)	{	  retval = find_msg (domain, msgid);	  if (retval == NULL)	    {	      int cnt;	      for (cnt = 0; domain->successor[cnt] != NULL; ++cnt)		{		  retval = find_msg (domain->successor[cnt], msgid);		  if (retval != NULL)		    break;		}	    }	  if (retval != NULL)	    {	      FREE_BLOCKS (block_list);	      __set_errno (saved_errno);	      return retval;	    }	}    }  /* NOTREACHED */}#ifdef _LIBC/* Alias for function name in GNU C Library.  */weak_alias (__dcgettext, dcgettext);#endifstatic char *internal_functionfind_msg (domain_file, msgid)     struct loaded_l10nfile *domain_file;     const char *msgid;{  size_t top, act, bottom;  struct loaded_domain *domain;  if (domain_file->decided == 0)    _nl_load_domain (domain_file);  if (domain_file->data == NULL)    return NULL;  domain = (struct loaded_domain *) domain_file->data;  /* Locate the MSGID and its translation.  */  if (domain->hash_size > 2 && domain->hash_tab != NULL)    {      /* Use the hashing table.  */      nls_uint32 len = strlen (msgid);      nls_uint32 hash_val = hash_string (msgid);      nls_uint32 idx = hash_val % domain->hash_size;      nls_uint32 incr = 1 + (hash_val % (domain->hash_size - 2));      nls_uint32 nstr = W (domain->must_swap, domain->hash_tab[idx]);      if (nstr == 0)	/* Hash table entry is empty.  */	return NULL;      if (W (domain->must_swap, domain->orig_tab[nstr - 1].length) == len	  && strcmp (msgid,		     domain->data + W (domain->must_swap,				       domain->orig_tab[nstr - 1].offset)) == 0)	return (char *) domain->data + W (domain->must_swap,					  domain->trans_tab[nstr - 1].offset);      while (1)	{	  if (idx >= domain->hash_size - incr)	    idx -= domain->hash_size - incr;	  else	    idx += incr;	  nstr = W (domain->must_swap, domain->hash_tab[idx]);	  if (nstr == 0)	    /* Hash table entry is empty.  */	    return NULL;	  if (W (domain->must_swap, domain->orig_tab[nstr - 1].length) == len	      && strcmp (msgid,			 domain->data + W (domain->must_swap,					   domain->orig_tab[nstr - 1].offset))	         == 0)	    return (char *) domain->data	      + W (domain->must_swap, domain->trans_tab[nstr - 1].offset);	}      /* NOTREACHED */    }  /* Now we try the default method:  binary search in the sorted     array of messages.  */  bottom = 0;  top = domain->nstrings;  while (bottom < top)    {      int cmp_val;      act = (bottom + top) / 2;      cmp_val = strcmp (msgid, domain->data			       + W (domain->must_swap,				    domain->orig_tab[act].offset));      if (cmp_val < 0)	top = act;      else if (cmp_val > 0)	bottom = act + 1;      else	break;    }  /* If an translation is found return this.  */  return bottom >= top ? NULL : (char *) domain->data                                + W (domain->must_swap,				     domain->trans_tab[act].offset);}/* Return string representation of locale CATEGORY.  */static const char *internal_functioncategory_to_name (category)     int category;{  const char *retval;  switch (category)  {#ifdef LC_COLLATE  case LC_COLLATE:    retval = "LC_COLLATE";    break;#endif#ifdef LC_CTYPE  case LC_CTYPE:    retval = "LC_CTYPE";    break;#endif#ifdef LC_MONETARY  case LC_MONETARY:    retval = "LC_MONETARY";    break;#endif#ifdef LC_NUMERIC  case LC_NUMERIC:    retval = "LC_NUMERIC";    break;#endif#ifdef LC_TIME  case LC_TIME:    retval = "LC_TIME";    break;#endif#ifdef LC_MESSAGES  case LC_MESSAGES:    retval = "LC_MESSAGES";    break;#endif#ifdef LC_RESPONSE  case LC_RESPONSE:    retval = "LC_RESPONSE";    break;#endif#ifdef LC_ALL  case LC_ALL:    /* This might not make sense but is perhaps better than any other       value.  */    retval = "LC_ALL";    break;#endif  default:    /* If you have a better idea for a default value let me know.  */    retval = "LC_XXX";  }  return retval;}/* Guess value of current locale from value of the environment variables.  */static const char *internal_functionguess_category_value (category, categoryname)     int category;     const char *categoryname;{  const char *retval;  /* The highest priority value is the `LANGUAGE' environment     variable.  This is a GNU extension.  */  retval = getenv ("LANGUAGE");  if (retval != NULL && retval[0] != '\0')    return retval;  /* `LANGUAGE' is not set.  So we have to proceed with the POSIX     methods of looking to `LC_ALL', `LC_xxx', and `LANG'.  On some     systems this can be done by the `setlocale' function itself.  */#if defined HAVE_SETLOCALE && defined HAVE_LC_MESSAGES && defined HAVE_LOCALE_NULL  return setlocale (category, NULL);#else  /* Setting of LC_ALL overwrites all other.  */  retval = getenv ("LC_ALL");  if (retval != NULL && retval[0] != '\0')    return retval;  /* Next comes the name of the desired category.  */  retval = getenv (categoryname);  if (retval != NULL && retval[0] != '\0')    return retval;  /* Last possibility is the LANG environment variable.  */  retval = getenv ("LANG");  if (retval != NULL && retval[0] != '\0')    return retval;  /* We use C as the default domain.  POSIX says this is implementation     defined.  */  return "C";#endif}/* @@ 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_STPCPYstatic char *stpcpy (dest, src)     char *dest;     const char *src;{  while ((*dest++ = *src++) != '\0')    /* Do nothing. */ ;  return dest - 1;}#endif#ifdef _LIBC/* If we want to free all resources we have to do some work at   program's end.  */static void __attribute__ ((unused))free_mem (void){  struct binding *runp;  for (runp = _nl_domain_bindings; runp != NULL; runp = runp->next)    {      free (runp->domainname);      if (runp->dirname != _nl_default_dirname)	/* Yes, this is a pointer comparison.  */	free (runp->dirname);    }  if (_nl_current_default_domain != _nl_default_default_domain)    /* Yes, again a pointer comparison.  */    free ((char *) _nl_current_default_domain);}text_set_element (__libc_subfreeres, free_mem);#endif