/* * Copyright 2004-2007 James Bursa <bursa@users.sourceforge.net> * Copyright 2004 John Tytgat <joty@netsurf-browser.org> * * This file is part of NetSurf, http://www.netsurf-browser.org/ * * NetSurf is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * NetSurf 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ /** * \file * \brief Interface to a number of general purpose functionality. * \todo Many of these functions and macros should have their own headers. */ #ifndef _NETSURF_UTILS_UTILS_H_ #define _NETSURF_UTILS_UTILS_H_ #include <inttypes.h> #include <stdbool.h> /** Rectangle coordinates */ struct rect { int x0, y0; /**< Top left */ int x1, y1; /**< Bottom right */ }; struct dirent; #ifndef NOF_ELEMENTS #define NOF_ELEMENTS(array) (sizeof(array)/sizeof(*(array))) #endif #ifndef ABS #define ABS(x) (((x)>0)?(x):(-(x))) #endif #ifdef __MINT__ /* avoid using GCCs builtin min/max functions */ #undef min #undef max #endif #ifndef __cplusplus #ifndef min #define min(x,y) (((x)<(y))?(x):(y)) #endif #ifndef max #define max(x,y) (((x)>(y))?(x):(y)) #endif #endif #ifndef PRIxPTR #define PRIxPTR "x" #endif #ifndef PRId64 #define PRId64 "lld" #endif /* Windows does not have sizet formating codes or POSIX mkdir so work * around that */ #if defined(_WIN32) /** windows printf formatting for size_t type */ #define PRIsizet "Iu" /** windows printf formatting for ssize_t type */ #define PRIssizet "Id" /** windows mkdir function */ #define nsmkdir(dir, mode) mkdir((dir)) #else /** c99 standard printf formatting for size_t type */ #define PRIsizet "zu" /** c99 standard printf formatting for ssize_t type */ #define PRIssizet "zd" /** POSIX mkdir function */ #define nsmkdir(dir, mode) mkdir((dir), (mode)) #endif #if defined(__GNUC__) && (__GNUC__ < 3) #define FLEX_ARRAY_LEN_DECL 0 #else #define FLEX_ARRAY_LEN_DECL #endif #if defined(__HAIKU__) || defined(__BEOS__) #include <stdlib.h> #define strtof(s,p) ((float)(strtod((s),(p)))) #endif #if !defined(ceilf) && defined(__MINT__) #define ceilf(x) (float)ceil((double)x) #endif /** * Calculate length of constant C string. * * \param x a constant C string. * \return The length of C string without its terminator. */ #define SLEN(x) (sizeof((x)) - 1) /** * Check if a directory exists. */ bool is_dir(const char *path); /** * Warn the user of an event. * * \warning depricated interface, this calls the warning entry in the * miscellaneous gui table and discards the return code. * * \param[in] message A warning looked up in the message translation table * \param[in] detail Additional text to be displayed or NULL. */ void warn_user(const char *message, const char *detail); #endif