php-src/ext/json/json_c/bits.h
2005-12-06 06:23:24 +00:00

48 lines
1.2 KiB
C

/*
* $Id$
*
* Copyright Metaparadigm Pte. Ltd. 2004.
* Michael Clark <michael@metaparadigm.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public (LGPL)
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This 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: http://www.gnu.org/
*
*/
#ifndef _bits_h_
#define _bits_h_
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#if STDC_HEADERS
# include <stddef.h>
#endif /* STDC_HEADERS */
/* CAW: wrapped in ifndef's to make win32 compliant
** this fails to take over GCC specifics, but this
** seems to be unimportant.
*/
#ifndef min
#define min(a,b) ((a) < (b) ? (a) : (b))
#endif
#ifndef max
#define max(a,b) ((a) > (b) ? (a) : (b))
#endif
#define hexdigit(x) (((x) <= '9') ? (x) - '0' : ((x) & 7) + 9)
#define error_ptr(error) ((void*)error)
#define is_error(ptr) ((unsigned long)ptr > (unsigned long)-4000L)
#endif