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 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 /* * Copyright 2004-2007 James Bursa * Copyright 2004 John Tytgat * * 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 . */ /** * \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 #include #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 #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); #endif