utils.h

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00001 /*
00002  * This file is part of LibParserUtils.
00003  * Licensed under the MIT License,
00004  *                http://www.opensource.org/licenses/mit-license.php
00005  * Copyright 2007 John-Mark Bell <jmb@netsurf-browser.org>
00006  */
00007 
00008 #ifndef parserutils_utils_h_
00009 #define parserutils_utils_h_
00010 
00011 #ifndef max
00012 #define max(a,b) ((a)>(b)?(a):(b))
00013 #endif
00014 
00015 #ifndef min
00016 #define min(a,b) ((a)<(b)?(a):(b))
00017 #endif
00018 
00019 #ifndef SLEN
00020 /* Calculate length of a string constant */
00021 #define SLEN(s) (sizeof((s)) - 1) /* -1 for '\0' */
00022 #endif
00023 
00024 #ifndef UNUSED
00025 #define UNUSED(x) ((x)=(x))
00026 #endif
00027 
00028 #ifndef N_ELEMENTS
00029 #define N_ELEMENTS(s) (sizeof((s)) / sizeof((s)[0]))
00030 #endif
00031 
00032 #ifndef ALIGN
00033 #define ALIGN(val) (((val) + 3) & ~(3))
00034 #endif
00035 
00036 #endif