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Diffstat (limited to 'core/fxcrt/include/fx_system.h')
| -rw-r--r-- | core/fxcrt/include/fx_system.h | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/core/fxcrt/include/fx_system.h b/core/fxcrt/include/fx_system.h new file mode 100644 index 0000000000..eb863c6048 --- /dev/null +++ b/core/fxcrt/include/fx_system.h @@ -0,0 +1,320 @@ +// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FXCRT_INCLUDE_FX_SYSTEM_H_ +#define CORE_FXCRT_INCLUDE_FX_SYSTEM_H_ + +#include <assert.h> +#include <math.h> +#include <stdarg.h> +#include <stddef.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <wchar.h> + +// _FX_OS_ values: +#define _FX_WIN32_DESKTOP_ 1 +#define _FX_WIN64_DESKTOP_ 2 +#define _FX_LINUX_DESKTOP_ 4 +#define _FX_MACOSX_ 7 +#define _FX_ANDROID_ 12 + +// _FXM_PLATFORM_ values; +#define _FXM_PLATFORM_WINDOWS_ 1 // _FX_WIN32_DESKTOP_ or _FX_WIN64_DESKTOP_. +#define _FXM_PLATFORM_LINUX_ 2 // _FX_LINUX_DESKTOP_ always. +#define _FXM_PLATFORM_APPLE_ 3 // _FX_MACOSX_ always. +#define _FXM_PLATFORM_ANDROID_ 4 // _FX_ANDROID_ always. + +#ifndef _FX_OS_ +#if defined(__ANDROID__) +#define _FX_OS_ _FX_ANDROID_ +#define _FXM_PLATFORM_ _FXM_PLATFORM_ANDROID_ +#elif defined(_WIN32) +#define _FX_OS_ _FX_WIN32_DESKTOP_ +#define _FXM_PLATFORM_ _FXM_PLATFORM_WINDOWS_ +#elif defined(_WIN64) +#define _FX_OS_ _FX_WIN64_DESKTOP_ +#define _FXM_PLATFORM_ _FXM_PLATFORM_WINDOWS_ +#elif defined(__linux__) +#define _FX_OS_ _FX_LINUX_DESKTOP_ +#define _FXM_PLATFORM_ _FXM_PLATFORM_LINUX_ +#elif defined(__APPLE__) +#define _FX_OS_ _FX_MACOSX_ +#define _FXM_PLATFORM_ _FXM_PLATFORM_APPLE_ +#endif +#endif // _FX_OS_ + +#if !defined(_FX_OS_) || _FX_OS_ == 0 +#error Sorry, can not figure out target OS. Please specify _FX_OS_ macro. +#endif + +#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ +#define _CRT_SECURE_NO_WARNINGS +#include <windows.h> +#include <sal.h> +#endif + +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ +#include <Carbon/Carbon.h> +#include <libkern/OSAtomic.h> +#endif + +#ifdef __cplusplus +extern "C" { +#endif +typedef void* FX_POSITION; // Keep until fxcrt containers gone +typedef uint32_t FX_DWORD; // Keep - "an efficient type" +typedef float FX_FLOAT; // Keep, allow upgrade to doubles. +typedef double FX_DOUBLE; // Keep, allow downgrade to floats. +typedef int FX_BOOL; // Keep, sadly not always 0 or 1. +typedef char FX_CHAR; // Keep, questionable signedness. +typedef wchar_t FX_WCHAR; // Keep, maybe bad platform wchars. + +// PDFium string sizes are limited to 2^31-1, and the value is signed to +// allow -1 as a placeholder for "unknown". +// TODO(palmer): it should be a |size_t|, or at least unsigned. +typedef int FX_STRSIZE; + +#ifndef TRUE +#define TRUE 1 +#endif + +#ifndef FALSE +#define FALSE 0 +#endif + +#ifdef __cplusplus +static_assert(TRUE == true, "true_needs_to_be_true"); +static_assert(FALSE == false, "false_needs_to_be_false"); +#endif + +#ifndef NULL +#define NULL 0 +#endif + +#define FXSYS_assert assert +#ifndef ASSERT +#ifndef NDEBUG +#define ASSERT FXSYS_assert +#else +#define ASSERT(a) +#endif +#endif + +// M_PI not universally present on all platforms. +#define FX_PI 3.1415926535897932384626433832795f +#define FX_BEZIER 0.5522847498308f + +// NOTE: prevent use of the return value from snprintf() since some platforms +// have different return values (e.g. windows _vsnprintf()), and provide +// versions that always NUL-terminate. +#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ && _MSC_VER < 1900 +void FXSYS_snprintf(char* str, + size_t size, + _Printf_format_string_ const char* fmt, + ...); +void FXSYS_vsnprintf(char* str, size_t size, const char* fmt, va_list ap); +#else +#define FXSYS_snprintf (void) snprintf +#define FXSYS_vsnprintf (void) vsnprintf +#endif + +#define FXSYS_sprintf DO_NOT_USE_SPRINTF_DIE_DIE_DIE +#define FXSYS_vsprintf DO_NOT_USE_VSPRINTF_DIE_DIE_DIE +#define FXSYS_strchr strchr +#define FXSYS_strncmp strncmp +#define FXSYS_strcmp strcmp +#define FXSYS_strcpy strcpy +#define FXSYS_strncpy strncpy +#define FXSYS_strstr strstr +#define FXSYS_FILE FILE +#define FXSYS_fopen fopen +#define FXSYS_fclose fclose +#define FXSYS_SEEK_END SEEK_END +#define FXSYS_SEEK_SET SEEK_SET +#define FXSYS_fseek fseek +#define FXSYS_ftell ftell +#define FXSYS_fread fread +#define FXSYS_fwrite fwrite +#define FXSYS_fprintf fprintf +#define FXSYS_fflush fflush + +#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ +#ifdef _NATIVE_WCHAR_T_DEFINED +#define FXSYS_wfopen(f, m) _wfopen((const wchar_t*)(f), (const wchar_t*)(m)) +#else +#define FXSYS_wfopen _wfopen +#endif +#else +FXSYS_FILE* FXSYS_wfopen(const FX_WCHAR* filename, const FX_WCHAR* mode); +#endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ + +#ifdef __cplusplus +} // extern "C" + +#include "third_party/base/numerics/safe_conversions.h" + +#define FXSYS_strlen(ptr) pdfium::base::checked_cast<FX_STRSIZE>(strlen(ptr)) +#define FXSYS_wcslen(ptr) pdfium::base::checked_cast<FX_STRSIZE>(wcslen(ptr)) + +extern "C" { +#else +#define FXSYS_strlen(ptr) ((FX_STRSIZE)strlen(ptr)) +#define FXSYS_wcslen(ptr) ((FX_STRSIZE)wcslen(ptr)) +#endif + +#define FXSYS_wcscmp wcscmp +#define FXSYS_wcschr wcschr +#define FXSYS_wcsstr wcsstr +#define FXSYS_wcsncmp wcsncmp +#define FXSYS_vswprintf vswprintf +#define FXSYS_mbstowcs mbstowcs +#define FXSYS_wcstombs wcstombs +#define FXSYS_memcmp memcmp +#define FXSYS_memcpy memcpy +#define FXSYS_memmove memmove +#define FXSYS_memset memset +#define FXSYS_memchr memchr +#define FXSYS_qsort qsort +#define FXSYS_bsearch bsearch + +#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ +#define FXSYS_GetACP GetACP +#define FXSYS_itoa _itoa +#define FXSYS_strlwr _strlwr +#define FXSYS_strupr _strupr +#define FXSYS_stricmp _stricmp +#ifdef _NATIVE_WCHAR_T_DEFINED +#define FXSYS_wcsicmp(str1, str2) _wcsicmp((wchar_t*)(str1), (wchar_t*)(str2)) +#define FXSYS_WideCharToMultiByte(p1, p2, p3, p4, p5, p6, p7, p8) \ + WideCharToMultiByte(p1, p2, (const wchar_t*)(p3), p4, p5, p6, p7, p8) +#define FXSYS_MultiByteToWideChar(p1, p2, p3, p4, p5, p6) \ + MultiByteToWideChar(p1, p2, p3, p4, (wchar_t*)(p5), p6) +#define FXSYS_wcslwr(str) _wcslwr((wchar_t*)(str)) +#define FXSYS_wcsupr(str) _wcsupr((wchar_t*)(str)) +#else +#define FXSYS_wcsicmp _wcsicmp +#define FXSYS_WideCharToMultiByte WideCharToMultiByte +#define FXSYS_MultiByteToWideChar MultiByteToWideChar +#define FXSYS_wcslwr _wcslwr +#define FXSYS_wcsupr _wcsupr +#endif +#define FXSYS_GetFullPathName GetFullPathName +#define FXSYS_GetModuleFileName GetModuleFileName +#else +int FXSYS_GetACP(void); +char* FXSYS_itoa(int value, char* str, int radix); +int FXSYS_WideCharToMultiByte(FX_DWORD codepage, + FX_DWORD dwFlags, + const wchar_t* wstr, + int wlen, + char* buf, + int buflen, + const char* default_str, + int* pUseDefault); +int FXSYS_MultiByteToWideChar(FX_DWORD codepage, + FX_DWORD dwFlags, + const char* bstr, + int blen, + wchar_t* buf, + int buflen); +FX_DWORD FXSYS_GetFullPathName(const char* filename, + FX_DWORD buflen, + char* buf, + char** filepart); +FX_DWORD FXSYS_GetModuleFileName(void* hModule, char* buf, FX_DWORD bufsize); +char* FXSYS_strlwr(char* str); +char* FXSYS_strupr(char* str); +int FXSYS_stricmp(const char*, const char*); +int FXSYS_wcsicmp(const wchar_t* str1, const wchar_t* str2); +wchar_t* FXSYS_wcslwr(wchar_t* str); +wchar_t* FXSYS_wcsupr(wchar_t* str); +#endif // _FXM_PLATFORM == _FXM_PLATFORM_WINDOWS_ + +#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ +#define FXSYS_pow(a, b) (FX_FLOAT) powf(a, b) +#else +#define FXSYS_pow(a, b) (FX_FLOAT) pow(a, b) +#endif +#define FXSYS_sqrt(a) (FX_FLOAT) sqrt(a) +#define FXSYS_fabs(a) (FX_FLOAT) fabs(a) +#define FXSYS_atan2(a, b) (FX_FLOAT) atan2(a, b) +#define FXSYS_ceil(a) (FX_FLOAT) ceil(a) +#define FXSYS_floor(a) (FX_FLOAT) floor(a) +#define FXSYS_cos(a) (FX_FLOAT) cos(a) +#define FXSYS_acos(a) (FX_FLOAT) acos(a) +#define FXSYS_sin(a) (FX_FLOAT) sin(a) +#define FXSYS_log(a) (FX_FLOAT) log(a) +#define FXSYS_log10(a) (FX_FLOAT) log10(a) +#define FXSYS_fmod(a, b) (FX_FLOAT) fmod(a, b) +#define FXSYS_abs abs +#define FXDWORD_FROM_LSBFIRST(i) (i) +#define FXDWORD_FROM_MSBFIRST(i) \ + (((uint8_t)(i) << 24) | ((uint8_t)((i) >> 8) << 16) | \ + ((uint8_t)((i) >> 16) << 8) | (uint8_t)((i) >> 24)) +#define FXDWORD_GET_LSBFIRST(p) \ + ((static_cast<FX_DWORD>(p[3]) << 24) | (static_cast<FX_DWORD>(p[2]) << 16) | \ + (static_cast<FX_DWORD>(p[1]) << 8) | (static_cast<FX_DWORD>(p[0]))) +#define FXDWORD_GET_MSBFIRST(p) \ + ((static_cast<FX_DWORD>(p[0]) << 24) | (static_cast<FX_DWORD>(p[1]) << 16) | \ + (static_cast<FX_DWORD>(p[2]) << 8) | (static_cast<FX_DWORD>(p[3]))) +#define FXSYS_HIBYTE(word) ((uint8_t)((word) >> 8)) +#define FXSYS_LOBYTE(word) ((uint8_t)(word)) +#define FXSYS_HIWORD(dword) ((uint16_t)((dword) >> 16)) +#define FXSYS_LOWORD(dword) ((uint16_t)(dword)) +int32_t FXSYS_atoi(const FX_CHAR* str); +uint32_t FXSYS_atoui(const FX_CHAR* str); +int32_t FXSYS_wtoi(const FX_WCHAR* str); +int64_t FXSYS_atoi64(const FX_CHAR* str); +int64_t FXSYS_wtoi64(const FX_WCHAR* str); +const FX_CHAR* FXSYS_i64toa(int64_t value, FX_CHAR* str, int radix); +int FXSYS_round(FX_FLOAT f); +#define FXSYS_sqrt2(a, b) (FX_FLOAT) FXSYS_sqrt((a) * (a) + (b) * (b)) +#ifdef __cplusplus +}; +#endif + +// To print a size_t value in a portable way: +// size_t size; +// printf("xyz: %" PRIuS, size); +// The "u" in the macro corresponds to %u, and S is for "size". + +#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ + +#if (defined(_INTTYPES_H) || defined(_INTTYPES_H_)) && !defined(PRId64) +#error "inttypes.h has already been included before this header file, but " +#error "without __STDC_FORMAT_MACROS defined." +#endif + +#if !defined(__STDC_FORMAT_MACROS) +#define __STDC_FORMAT_MACROS +#endif + +#include <inttypes.h> + +#if !defined(PRIuS) +#define PRIuS "zu" +#endif + +#else // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ + +#if !defined(PRIuS) +#define PRIuS "Iu" +#endif + +#endif // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ + +// Prevent a function from ever being inlined, typically because we'd +// like it to appear in stack traces. +#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ +#define NEVER_INLINE __declspec(noinline) +#else // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ +#define NEVER_INLINE __attribute__((__noinline__)) +#endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ + +#endif // CORE_FXCRT_INCLUDE_FX_SYSTEM_H_ |