/* $Id: wi-macros.h 4846 2007-06-18 19:14:59Z morris $ */ /* * Copyright (c) 2005-2007 Axel Andersson * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 WI_MACROS_H #define WI_MACROS_H 1 #ifndef INT8_MAX #define INT8_MAX 127 #define INT16_MAX 32767 #define INT32_MAX 2147483647 #define INT64_MAX 9223372036854775807LL #define INT32_MIN (-INT32_MAX-1) #define INT64_MIN (-INT64_MAX-1) #define UINT8_MAX 255 #define UINT16_MAX 65535 #define UINT32_MAX 4294967295U #define UINT64_MAX 18446744073709551615ULL #endif #define WI_STMT_START \ do { #define WI_STMT_END \ } while(0) #define WI_ARRAY_SIZE(array) \ (sizeof(array) / sizeof(*(array))) #define WI_MIN(x, y) \ ((x) < (y) ? (x) : (y)) #define WI_MAX(x, y) \ ((x) > (y) ? (x) : (y)) #define WI_ABS(x) \ ((x) < 0 ? (-(x)) : (x)) #define WI_CLAMP(x, min, max) \ (((x) > (max)) ? (max) : (((x) < (min)) ? (min) : (x))) #endif /* WI_MACROS_H */