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gconv_charset.h

/* Charset name normalization.
   Copyright (C) 2001,02 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@cygnus.com>, 2001.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <ctype.h>
#include <locale.h>


static inline void
strip (char *wp, const char *s)
{
  int slash_count = 0;

  while (*s != '\0')
    {
      if (__isalnum_l (*s, &_nl_C_locobj)
        || *s == '_' || *s == '-' || *s == '.')
      *wp++ = __toupper_l (*s, &_nl_C_locobj);
      else if (*s == '/')
      {
        if (++slash_count == 3)
          break;
        *wp++ = '/';
      }
      ++s;
    }

  while (slash_count++ < 2)
    *wp++ = '/';

  *wp = '\0';
}


static inline char * __attribute__ ((unused))
upstr (char *dst, const char *str)
{
  char *cp = dst;
  while ((*cp++ = __toupper_l (*str++, &_nl_C_locobj)) != '\0')
    /* nothing */;
  return dst;
}


/* If NAME is an codeset alias expand it.  */
extern int __gconv_compare_alias (const char *name1, const char *name2)
     internal_function;

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