1 /* Copyright (C) 2010-2018 The RetroArch team 2 * 3 * --------------------------------------------------------------------------------------- 4 * The following license statement only applies to this file (msvc.h). 5 * --------------------------------------------------------------------------------------- 6 * 7 * Permission is hereby granted, free of charge, 8 * to any person obtaining a copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation the rights to 10 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, 11 * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 16 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 19 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 21 */ 22 23 #ifndef __LIBRETRO_SDK_COMPAT_MSVC_H 24 #define __LIBRETRO_SDK_COMPAT_MSVC_H 25 26 #ifdef _MSC_VER 27 28 #ifdef __cplusplus 29 extern "C" { 30 #endif 31 32 /* Pre-MSVC 2015 compilers don't implement snprintf in a cross-platform manner. */ 33 #if _MSC_VER < 1900 34 #include <stdlib.h> 35 #ifndef snprintf 36 #define snprintf c99_snprintf_retro__ 37 #endif 38 39 int c99_snprintf_retro__(char *outBuf, size_t size, const char *format, ...); 40 #endif 41 42 /* Pre-MSVC 2008 compilers don't implement vsnprintf in a cross-platform manner? Not sure about this one. */ 43 #if _MSC_VER < 1500 44 #include <stdarg.h> 45 #include <stdlib.h> 46 #ifndef vsnprintf 47 #define vsnprintf c99_vsnprintf_retro__ 48 #endif 49 int c99_vsnprintf_retro__(char *outBuf, size_t size, const char *format, va_list ap); 50 #endif 51 52 #ifdef __cplusplus 53 } 54 #endif 55 56 #undef UNICODE /* Do not bother with UNICODE at this time. */ 57 #include <direct.h> 58 #include <stddef.h> 59 60 #define _USE_MATH_DEFINES 61 #include <math.h> 62 63 /* Python headers defines ssize_t and sets HAVE_SSIZE_T. 64 * Cannot duplicate these efforts. 65 */ 66 #ifndef HAVE_SSIZE_T 67 #if defined(_WIN64) 68 typedef __int64 ssize_t; 69 #elif defined(_WIN32) 70 typedef int ssize_t; 71 #endif 72 #endif 73 74 #define mkdir(dirname, unused) _mkdir(dirname) 75 #define strtoull _strtoui64 76 #undef strcasecmp 77 #define strcasecmp _stricmp 78 #undef strncasecmp 79 #define strncasecmp _strnicmp 80 81 /* Disable some of the annoying warnings. */ 82 #pragma warning(disable : 4800) 83 #pragma warning(disable : 4805) 84 #pragma warning(disable : 4244) 85 #pragma warning(disable : 4305) 86 #pragma warning(disable : 4146) 87 #pragma warning(disable : 4267) 88 #pragma warning(disable : 4723) 89 #pragma warning(disable : 4996) 90 91 /* roundf and va_copy is available since MSVC 2013 */ 92 #if _MSC_VER < 1800 93 #define roundf(in) (in >= 0.0f ? floorf(in + 0.5f) : ceilf(in - 0.5f)) 94 #define va_copy(x, y) ((x) = (y)) 95 #endif 96 97 #if _MSC_VER <= 1310 98 #ifndef __cplusplus 99 /* VC6 math.h doesn't define some functions when in C mode. 100 * Trying to define a prototype gives "undefined reference". 101 * But providing an implementation then gives "function already has body". 102 * So the equivalent of the implementations from math.h are used as 103 * defines here instead, and it seems to work. 104 */ 105 #define cosf(x) ((float)cos((double)x)) 106 #define powf(x, y) ((float)pow((double)x, (double)y)) 107 #define sinf(x) ((float)sin((double)x)) 108 #define ceilf(x) ((float)ceil((double)x)) 109 #define floorf(x) ((float)floor((double)x)) 110 #define sqrtf(x) ((float)sqrt((double)x)) 111 #define fabsf(x) ((float)fabs((double)(x))) 112 #endif 113 114 #ifndef _strtoui64 115 #define _strtoui64(x, y, z) (_atoi64(x)) 116 #endif 117 118 #endif 119 120 #ifndef PATH_MAX 121 #define PATH_MAX _MAX_PATH 122 #endif 123 124 #ifndef SIZE_MAX 125 #define SIZE_MAX _UI32_MAX 126 #endif 127 128 #endif 129 #endif 130