1// Copyright 2014 PDFium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7#ifndef _FX_SYSTEM_H_
8#define _FX_SYSTEM_H_
9#define _FX_WIN32_DESKTOP_		1
10#define _FX_LINUX_DESKTOP_		4
11#define _FX_MACOSX_				7
12#define _FX_ANDROID_			12
13#define _FXM_PLATFORM_WINDOWS_		1
14#define _FXM_PLATFORM_LINUX_		2
15#define _FXM_PLATFORM_APPLE_		3
16#define _FXM_PLATFORM_ANDROID_		4
17#ifndef _FX_OS_
18#if defined(__ANDROID__)
19#define _FX_OS_ _FX_ANDROID_
20#define _FXM_PLATFORM_ _FXM_PLATFORM_ANDROID_
21#elif defined(_WIN32) || defined(_WIN64)
22#define _FX_OS_ _FX_WIN32_DESKTOP_
23#define _FXM_PLATFORM_ _FXM_PLATFORM_WINDOWS_
24#elif defined(__linux__)
25#define _FX_OS_ _FX_LINUX_DESKTOP_
26#define _FXM_PLATFORM_ _FXM_PLATFORM_LINUX_
27#elif defined(__APPLE__)
28#define _FX_OS_ _FX_MACOSX_
29#define _FXM_PLATFORM_ _FXM_PLATFORM_APPLE_
30#endif
31#endif
32#if !defined(_FX_OS_) || _FX_OS_ == 0
33#error Sorry, can not figure out what OS you are targeting to. Please specify _FX_OS_ macro.
34#endif
35#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
36#define _CRT_SECURE_NO_WARNINGS
37#include <windows.h>
38#endif
39#define _FX_W32_		1
40#define _FX_W64_		2
41#ifndef _FX_WORDSIZE_
42#if defined(_WIN64) || defined(__arm64) || defined(__arm64__) || defined(_M_AMD64) || defined(_M_X64) || defined(_M_IA64) || defined(__powerpc64__) || defined(__x86_64__) || __WORDSIZE == 64 || defined(__LP64__)
43#define _FX_WORDSIZE_	_FX_W64_
44#else
45#define _FX_WORDSIZE_	_FX_W32_
46#endif
47#endif
48#include <stddef.h>
49#include <stdarg.h>
50#include <setjmp.h>
51#include <stdlib.h>
52#include <stdio.h>
53#include <string.h>
54#include <assert.h>
55#include <wchar.h>
56#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
57#include <libkern/OSAtomic.h>
58#if _FX_OS_ == _FX_MACOSX_
59#include <Carbon/Carbon.h>
60#elif _FX_OS_ == _FX_IOS_
61#include <CoreText/CoreText.h>
62#include <CoreGraphics/CoreGraphics.h>
63#endif
64#endif
65#ifdef __cplusplus
66extern "C" {
67#endif
68typedef void*					FX_LPVOID;
69typedef void const*				FX_LPCVOID;
70typedef void*					FX_POSITION;
71typedef signed char				FX_INT8;
72typedef unsigned char			FX_UINT8;
73typedef unsigned char			FX_BYTE;
74typedef unsigned char*			FX_LPBYTE;
75typedef unsigned char const*	FX_LPCBYTE;
76typedef short					FX_INT16;
77typedef unsigned short			FX_UINT16;
78typedef short					FX_SHORT;
79typedef unsigned short			FX_WORD;
80typedef unsigned short*			FX_LPWORD;
81typedef unsigned short const*	FX_LPCWORD;
82typedef int						FX_INT32;
83typedef float					FX_FLOAT;
84typedef int						FX_BOOL;
85typedef int						FX_ERR;
86#define FX_SUCCEEDED(Status)	((FX_ERR)(Status) >= 0)
87#define FX_FAILED(Status)		((FX_ERR)(Status) < 0)
88typedef char					FX_CHAR;
89typedef char*					FX_LPSTR;
90typedef char const*				FX_LPCSTR;
91typedef unsigned int		FX_DWORD;
92typedef unsigned int*		FX_LPDWORD;
93#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
94typedef __int64				FX_INT64;
95typedef unsigned __int64	FX_UINT64;
96#else
97typedef long long int		FX_INT64;
98typedef unsigned long long	FX_UINT64;
99#endif
100#if _FX_WORDSIZE_ == _FX_W64_
101typedef FX_INT64			FX_INTPTR;
102typedef FX_UINT64			FX_UINTPTR;
103#else
104typedef int					FX_INTPTR;
105typedef unsigned int		FX_UINTPTR;
106#endif
107typedef wchar_t					FX_WCHAR;
108typedef wchar_t*				FX_LPWSTR;
109typedef wchar_t const*			FX_LPCWSTR;
110typedef FX_DWORD				FX_UINT32;
111typedef FX_UINT64				FX_QWORD;
112#define FX_DEFINEHANDLE(name)	typedef struct _##name {FX_LPVOID pData;} * name;
113#if defined(DEBUG) && !defined(_DEBUG)
114#define _DEBUG
115#endif
116#ifndef TRUE
117
118#define TRUE	1
119#endif
120#ifndef FALSE
121
122#define FALSE	0
123#endif
124#ifndef NULL
125
126#define NULL	0
127#endif
128#define FXSYS_assert assert
129#ifndef ASSERT
130#ifdef _DEBUG
131#define ASSERT FXSYS_assert
132#else
133
134#define ASSERT(a)
135#endif
136#endif
137#define FX_MAX(a, b) (((a) > (b)) ? (a) : (b))
138#define FX_MIN(a, b) (((a) < (b)) ? (a) : (b))
139#define FX_PI	3.1415926535897932384626433832795f
140#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
141#define FXSYS_snprintf	_snprintf
142#else
143#define FXSYS_snprintf	snprintf
144#endif
145#define FXSYS_sprintf	sprintf
146#define FXSYS_vsprintf	vsprintf
147#define FXSYS_strchr	strchr
148#define FXSYS_strlen	strlen
149#define FXSYS_strncmp	strncmp
150#define FXSYS_strcmp	strcmp
151#define FXSYS_strcpy	strcpy
152#define FXSYS_strncpy	strncpy
153#define FXSYS_strstr	strstr
154#define FXSYS_FILE		FILE
155#define FXSYS_fopen		fopen
156#define FXSYS_fclose	fclose
157#define FXSYS_SEEK_END	SEEK_END
158#define FXSYS_SEEK_SET	SEEK_SET
159#define FXSYS_fseek		fseek
160#define FXSYS_ftell		ftell
161#define FXSYS_fread		fread
162#define FXSYS_fwrite	fwrite
163#define FXSYS_fprintf	fprintf
164#define FXSYS_fflush	fflush
165#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
166#ifdef _NATIVE_WCHAR_T_DEFINED
167#define FXSYS_wfopen(f, m) _wfopen((const wchar_t*)(f), (const wchar_t*)(m))
168#else
169#define FXSYS_wfopen _wfopen
170#endif
171#else
172FXSYS_FILE* FXSYS_wfopen(FX_LPCWSTR filename, FX_LPCWSTR mode);
173#endif
174
175#define FXSYS_wcslen	wcslen
176#define FXSYS_wcscmp	wcscmp
177#define FXSYS_wcschr	wcschr
178#define FXSYS_wcsstr	wcsstr
179#define FXSYS_wcsncmp	wcsncmp
180#define FXSYS_vswprintf	vswprintf
181#define FXSYS_mbstowcs	mbstowcs
182#define FXSYS_wcstombs	wcstombs
183#define FXSYS_memcmp	memcmp
184#define FXSYS_memcpy	memcpy
185#define FXSYS_memmove	memmove
186#define FXSYS_memset	memset
187#define FXSYS_memchr	memchr
188#define FXSYS_qsort		qsort
189#define FXSYS_bsearch	bsearch
190#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
191#define FXSYS_GetACP GetACP
192#define FXSYS_itoa _itoa
193#define FXSYS_strlwr _strlwr
194#define FXSYS_strupr _strupr
195#define FXSYS_stricmp _stricmp
196#ifdef _NATIVE_WCHAR_T_DEFINED
197#define FXSYS_wcsicmp(str1, str2) _wcsicmp((wchar_t*)(str1), (wchar_t*)(str2))
198#define FXSYS_WideCharToMultiByte(p1, p2, p3, p4, p5, p6, p7, p8) WideCharToMultiByte(p1, p2, (const wchar_t*)(p3), p4, p5, p6, p7, p8)
199#define FXSYS_MultiByteToWideChar(p1, p2, p3, p4, p5, p6) MultiByteToWideChar(p1, p2, p3, p4, (wchar_t*)(p5), p6)
200#define FXSYS_wcslwr(str) _wcslwr((wchar_t*)(str))
201#define FXSYS_wcsupr(str) _wcsupr((wchar_t*)(str))
202#else
203#define FXSYS_wcsicmp _wcsicmp
204#define FXSYS_WideCharToMultiByte WideCharToMultiByte
205#define FXSYS_MultiByteToWideChar MultiByteToWideChar
206#define FXSYS_wcslwr _wcslwr
207#define FXSYS_wcsupr _wcsupr
208#endif
209#define FXSYS_GetFullPathName GetFullPathName
210#define FXSYS_GetModuleFileName GetModuleFileName
211#else
212int			FXSYS_GetACP(void);
213char*		FXSYS_itoa(int value, char* string, int radix);
214int			FXSYS_WideCharToMultiByte(FX_DWORD codepage, FX_DWORD dwFlags, const wchar_t* wstr, int wlen,
215                                      char* buf, int buflen, const char* default_str, int* pUseDefault);
216int			FXSYS_MultiByteToWideChar(FX_DWORD codepage, FX_DWORD dwFlags, const char* bstr, int blen,
217                                      wchar_t* buf, int buflen);
218FX_DWORD	FXSYS_GetFullPathName(const char* filename, FX_DWORD buflen, char* buf, char** filepart);
219FX_DWORD	FXSYS_GetModuleFileName(void* hModule, char* buf, FX_DWORD bufsize);
220char*		FXSYS_strlwr(char* str);
221char*		FXSYS_strupr(char* str);
222int			FXSYS_stricmp(const char*, const char*);
223int			FXSYS_wcsicmp(const wchar_t *string1, const wchar_t *string2);
224wchar_t*	FXSYS_wcslwr(wchar_t* str);
225wchar_t*	FXSYS_wcsupr(wchar_t* str);
226#endif
227#define FXSYS_memcpy32		FXSYS_memcpy
228#define FXSYS_memcmp32		FXSYS_memcmp
229#define FXSYS_memset32		FXSYS_memset
230#define FXSYS_memset8		FXSYS_memset
231#define FXSYS_memmove32		FXSYS_memmove
232#ifdef __cplusplus
233}
234#endif
235#include <math.h>
236#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
237#define FXSYS_pow(a, b)		(FX_FLOAT)powf(a, b)
238#else
239#define FXSYS_pow(a, b)		(FX_FLOAT)pow(a, b)
240#endif
241#define FXSYS_sqrt(a)		(FX_FLOAT)sqrt(a)
242#define FXSYS_fabs(a)		(FX_FLOAT)fabs(a)
243#define FXSYS_atan2(a, b)	(FX_FLOAT)atan2(a, b)
244#define FXSYS_ceil(a)		(FX_FLOAT)ceil(a)
245#define FXSYS_floor(a)		(FX_FLOAT)floor(a)
246#define FXSYS_cos(a)		(FX_FLOAT)cos(a)
247#define FXSYS_acos(a)		(FX_FLOAT)acos(a)
248#define FXSYS_sin(a)		(FX_FLOAT)sin(a)
249#define FXSYS_log(a)		(FX_FLOAT)log(a)
250#define FXSYS_log10(a)		(FX_FLOAT)log10(a)
251#define FXSYS_fmod(a, b)	(FX_FLOAT)fmod(a, b)
252#define FXSYS_abs			abs
253#ifdef __cplusplus
254extern "C" {
255#endif
256#define _FX_LSB_FIRST_
257#define FXDWORD_FROM_LSBFIRST(i)	(i)
258#define FXDWORD_FROM_MSBFIRST(i)	(((FX_BYTE)(i) << 24) | ((FX_BYTE)((i) >> 8) << 16) | ((FX_BYTE)((i) >> 16) << 8) | (FX_BYTE)((i) >> 24))
259#define FXDWORD_GET_LSBFIRST(p)		((((FX_LPBYTE)(p))[3] << 24) | (((FX_LPBYTE)(p))[2] << 16) | (((FX_LPBYTE)(p))[1] << 8) | (((FX_LPBYTE)(p))[0]))
260#define FXDWORD_GET_MSBFIRST(p) ((((FX_LPBYTE)(p))[0] << 24) | (((FX_LPBYTE)(p))[1] << 16) | (((FX_LPBYTE)(p))[2] << 8) | (((FX_LPBYTE)(p))[3]))
261#define FXSYS_HIBYTE(word)	((FX_BYTE)((word) >> 8))
262#define FXSYS_LOBYTE(word)	((FX_BYTE)(word))
263#define FXSYS_HIWORD(dword)	((FX_WORD)((dword) >> 16))
264#define FXSYS_LOWORD(dword)	((FX_WORD)(dword))
265FX_INT32	FXSYS_atoi(FX_LPCSTR str);
266FX_INT32	FXSYS_wtoi(FX_LPCWSTR str);
267FX_INT64	FXSYS_atoi64(FX_LPCSTR str);
268FX_INT64	FXSYS_wtoi64(FX_LPCWSTR str);
269FX_LPCSTR	FXSYS_i64toa(FX_INT64 value, FX_LPSTR str, int radix);
270FX_LPCWSTR	FXSYS_i64tow(FX_INT64 value, FX_LPWSTR str, int radix);
271int			FXSYS_round(FX_FLOAT f);
272#define		FXSYS_Mul(a, b) ((a) * (b))
273#define		FXSYS_Div(a, b) ((a) / (b))
274#define		FXSYS_MulDiv(a, b, c) ((a) * (b) / (c))
275#define		FXSYS_sqrt2(a, b) (FX_FLOAT)FXSYS_sqrt((a)*(a) + (b)*(b))
276#ifdef __cplusplus
277};
278#endif
279#endif
280