library/ctype_isspace.c
/*
* $Id: ctype_isspace.c,v 1.5 2006-01-08 12:04:22 obarthel Exp $
*
* :ts=4
*
* Portable ISO 'C' (1994) runtime library for the Amiga computer
* Copyright (c) 2002-2015 by Olaf Barthel <obarthel (at) gmx.net>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Neither the name of Olaf Barthel nor the names of contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _CTYPE_HEADERS_H
#include "ctype_headers.h"
#endif /* _CTYPE_HEADERS_H */
/****************************************************************************/
#undef isspace
/****************************************************************************/
int
isspace(int c)
{
DECLARE_LOCALEBASE();
int result;
__locale_lock();
if(__locale_table[LC_CTYPE] != NULL)
{
assert( LocaleBase != NULL );
/* The parameter must be either EOF or in the range of an
'unsigned char'. If it's not, then the behaviour is
undefined. */
if(c != EOF && ((0 <= c && c <= UCHAR_MAX) || ((c + 256) <= UCHAR_MAX)))
result = IsSpace(__locale_table[LC_CTYPE],(ULONG)(c & 255));
else
result = FALSE;
}
else
{
result = (c == '\t' ||
c == '\r' ||
c == '\n' ||
c == '\v' ||
c == '\f' ||
c == ' ');
}
__locale_unlock();
return(result);
}