glibc/iconv/gconv_charset.h

58 lines
1.5 KiB
C

/* Charset name normalization.
Copyright (C) 2001-2016 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, see
<http://www.gnu.org/licenses/>. */
#include <ctype.h>
#include <locale.h>
static void
strip (char *wp, const char *s)
{
int slash_count = 0;
while (*s != '\0')
{
if (__isalnum_l (*s, _nl_C_locobj_ptr)
|| *s == '_' || *s == '-' || *s == '.' || *s == ',' || *s == ':')
*wp++ = __toupper_l (*s, _nl_C_locobj_ptr);
else if (*s == '/')
{
if (++slash_count == 3)
break;
*wp++ = '/';
}
++s;
}
while (slash_count++ < 2)
*wp++ = '/';
*wp = '\0';
}
static inline char * __attribute__ ((unused, always_inline))
upstr (char *dst, const char *str)
{
char *cp = dst;
while ((*cp++ = __toupper_l (*str++, _nl_C_locobj_ptr)) != '\0')
/* nothing */;
return dst;
}