/* * This file is part of LibCSS. * Licensed under the MIT License, *                http://www.opensource.org/licenses/mit-license.php * Copyright 2007-8 John-Mark Bell <jmb@netsurf-browser.org> */ #ifndef css_utils_h_#define css_utils_h_ #include <libwapcaplet/libwapcaplet.h> #include <libcss/types.h>#include <libcss/errors.h> #ifndef max#define max(a,b) ((a)>(b)?(a):(b))#endif #ifndef min#define min(a,b) ((a)<(b)?(a):(b))#endif #ifndef SLEN/* Calculate length of a string constant */#define SLEN(s) (sizeof((s)) - 1) /* -1 for '\0' */#endif #ifndef UNUSED#define UNUSED(x) ((x)=(x))#endif #ifndef N_ELEMENTS#define N_ELEMENTS(x) (sizeof((x)) / sizeof((x)[0]))#endif css_fixed css__number_from_lwc_string(lwc_string *string, bool int_only,		size_t *consumed);css_fixed css__number_from_string(const uint8_t *data, size_t len,		bool int_only, size_t *consumed); static inline bool isDigit(uint8_t c){	return '0' <= c && c <= '9';} static inline bool isHex(uint8_t c){	return isDigit(c) || ('a' <= c && c <= 'f') || ('A' <= c && c <= 'F');} static inline uint32_t charToHex(uint8_t c){	c -= '0'; 	if (c > 9)		c -= 'A' - '9' - 1; 	if (c > 15)		c -= 'a' - 'A'; 	return c;} static inline css_errorcss_error_from_lwc_error(lwc_error err){        switch (err) {        case lwc_error_ok:                return CSS_OK;        case lwc_error_oom:                return CSS_NOMEM;        case lwc_error_range:                return CSS_BADPARM;        default:                break;        }        return CSS_INVALID;} #endif