1 files changed, 401 insertions, 401 deletions
diff --git a/core/src/fxcrt/fx_extension.cpp b/core/src/fxcrt/fx_extension.cpp
index 79d300668f..e7272cff0b 100644
--- a/core/src/fxcrt/fx_extension.cpp
+++ b/core/src/fxcrt/fx_extension.cpp
@@ -1,401 +1,401 @@
-// 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
-
-#include "../../include/fxcrt/fx_ext.h"
-#include "extension.h"
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
-#include <wincrypt.h>
-#else
-#include <ctime>
-#endif
-FX_HFILE FX_File_Open(FX_BSTR fileName, FX_DWORD dwMode, IFX_Allocator* pAllocator)
-{
-    IFXCRT_FileAccess* pFA = FXCRT_FileAccess_Create(pAllocator);
-    if (pFA && !pFA->Open(fileName, dwMode)) {
-        pFA->Release(pAllocator);
-        return NULL;
-    }
-    return (FX_HFILE)pFA;
-}
-FX_HFILE FX_File_Open(FX_WSTR fileName, FX_DWORD dwMode, IFX_Allocator* pAllocator)
-{
-    IFXCRT_FileAccess* pFA = FXCRT_FileAccess_Create(pAllocator);
-    if (pFA && !pFA->Open(fileName, dwMode)) {
-        pFA->Release(pAllocator);
-        return NULL;
-    }
-    return (FX_HFILE)pFA;
-}
-void FX_File_Close(FX_HFILE hFile, IFX_Allocator* pAllocator)
-{
-    FXSYS_assert(hFile != NULL);
-    ((IFXCRT_FileAccess*)hFile)->Close();
-    ((IFXCRT_FileAccess*)hFile)->Release(pAllocator);
-}
-FX_FILESIZE FX_File_GetSize(FX_HFILE hFile)
-{
-    FXSYS_assert(hFile != NULL);
-    return ((IFXCRT_FileAccess*)hFile)->GetSize();
-}
-FX_FILESIZE FX_File_GetPosition(FX_HFILE hFile)
-{
-    FXSYS_assert(hFile != NULL);
-    return ((IFXCRT_FileAccess*)hFile)->GetPosition();
-}
-FX_FILESIZE FX_File_SetPosition(FX_HFILE hFile, FX_FILESIZE pos)
-{
-    FXSYS_assert(hFile != NULL);
-    return ((IFXCRT_FileAccess*)hFile)->SetPosition(pos);
-}
-size_t FX_File_Read(FX_HFILE hFile, void* pBuffer, size_t szBuffer)
-{
-    FXSYS_assert(hFile != NULL);
-    return ((IFXCRT_FileAccess*)hFile)->Read(pBuffer, szBuffer);
-}
-size_t FX_File_ReadPos(FX_HFILE hFile, void* pBuffer, size_t szBuffer, FX_FILESIZE pos)
-{
-    FXSYS_assert(hFile != NULL);
-    return ((IFXCRT_FileAccess*)hFile)->ReadPos(pBuffer, szBuffer, pos);
-}
-size_t FX_File_Write(FX_HFILE hFile, const void* pBuffer, size_t szBuffer)
-{
-    FXSYS_assert(hFile != NULL);
-    return ((IFXCRT_FileAccess*)hFile)->Write(pBuffer, szBuffer);
-}
-size_t FX_File_WritePos(FX_HFILE hFile, const void* pBuffer, size_t szBuffer, FX_FILESIZE pos)
-{
-    FXSYS_assert(hFile != NULL);
-    return ((IFXCRT_FileAccess*)hFile)->WritePos(pBuffer, szBuffer, pos);
-}
-FX_BOOL FX_File_Flush(FX_HFILE hFile)
-{
-    FXSYS_assert(hFile != NULL);
-    return ((IFXCRT_FileAccess*)hFile)->Flush();
-}
-FX_BOOL FX_File_Truncate(FX_HFILE hFile, FX_FILESIZE szFile)
-{
-    FXSYS_assert(hFile != NULL);
-    return ((IFXCRT_FileAccess*)hFile)->Truncate(szFile);
-}
-IFX_FileStream* FX_CreateFileStream(FX_LPCSTR filename, FX_DWORD dwModes, IFX_Allocator* pAllocator)
-{
-    IFXCRT_FileAccess* pFA = FXCRT_FileAccess_Create(pAllocator);
-    if (!pFA) {
-        return NULL;
-    }
-    if (!pFA->Open(filename, dwModes)) {
-        pFA->Release(pAllocator);
-        return NULL;
-    }
-    if (pAllocator) {
-        return FX_NewAtAllocator(pAllocator) CFX_CRTFileStream(pFA, pAllocator);
-    } else {
-        return FX_NEW CFX_CRTFileStream(pFA, pAllocator);
-    }
-}
-IFX_FileStream* FX_CreateFileStream(FX_LPCWSTR filename, FX_DWORD dwModes, IFX_Allocator* pAllocator)
-{
-    IFXCRT_FileAccess* pFA = FXCRT_FileAccess_Create(pAllocator);
-    if (!pFA) {
-        return NULL;
-    }
-    if (!pFA->Open(filename, dwModes)) {
-        pFA->Release(pAllocator);
-        return NULL;
-    }
-    if (pAllocator) {
-        return FX_NewAtAllocator(pAllocator) CFX_CRTFileStream(pFA, pAllocator);
-    } else {
-        return FX_NEW CFX_CRTFileStream(pFA, pAllocator);
-    }
-}
-IFX_FileWrite* FX_CreateFileWrite(FX_LPCSTR filename, IFX_Allocator* pAllocator)
-{
-    return FX_CreateFileStream(filename, FX_FILEMODE_Truncate, pAllocator);
-}
-IFX_FileWrite* FX_CreateFileWrite(FX_LPCWSTR filename, IFX_Allocator* pAllocator)
-{
-    return FX_CreateFileStream(filename, FX_FILEMODE_Truncate, pAllocator);
-}
-IFX_FileRead* FX_CreateFileRead(FX_LPCSTR filename, IFX_Allocator* pAllocator)
-{
-    return FX_CreateFileStream(filename, FX_FILEMODE_ReadOnly, pAllocator);
-}
-IFX_FileRead* FX_CreateFileRead(FX_LPCWSTR filename, IFX_Allocator* pAllocator)
-{
-    return FX_CreateFileStream(filename, FX_FILEMODE_ReadOnly, pAllocator);
-}
-IFX_MemoryStream* FX_CreateMemoryStream(FX_LPBYTE pBuffer, size_t dwSize, FX_BOOL bTakeOver, IFX_Allocator* pAllocator)
-{
-    if (pAllocator) {
-        return FX_NewAtAllocator(pAllocator)CFX_MemoryStream(pBuffer, dwSize, bTakeOver, pAllocator);
-    } else {
-        return FX_NEW CFX_MemoryStream(pBuffer, dwSize, bTakeOver, NULL);
-    }
-}
-IFX_MemoryStream* FX_CreateMemoryStream(FX_BOOL bConsecutive, IFX_Allocator* pAllocator)
-{
-    if (pAllocator) {
-        return FX_NewAtAllocator(pAllocator)CFX_MemoryStream(bConsecutive, pAllocator);
-    } else {
-        return FX_NEW CFX_MemoryStream(bConsecutive, NULL);
-    }
-}
-#ifdef __cplusplus
-extern "C" {
-#endif
-FX_FLOAT FXSYS_tan(FX_FLOAT a)
-{
-    return (FX_FLOAT)tan(a);
-}
-FX_FLOAT FXSYS_logb(FX_FLOAT b, FX_FLOAT x)
-{
-    return FXSYS_log(x) / FXSYS_log(b);
-}
-FX_FLOAT FXSYS_strtof(FX_LPCSTR pcsStr, FX_INT32 iLength, FX_INT32 *pUsedLen)
-{
-    FXSYS_assert(pcsStr != NULL);
-    if (iLength < 0) {
-        iLength = (FX_INT32)FXSYS_strlen(pcsStr);
-    }
-    CFX_WideString ws = CFX_WideString::FromLocal(pcsStr, iLength);
-    return FXSYS_wcstof((FX_LPCWSTR)ws, iLength, pUsedLen);
-}
-FX_FLOAT FXSYS_wcstof(FX_LPCWSTR pwsStr, FX_INT32 iLength, FX_INT32 *pUsedLen)
-{
-    FXSYS_assert(pwsStr != NULL);
-    if (iLength < 0) {
-        iLength = (FX_INT32)FXSYS_wcslen(pwsStr);
-    }
-    if (iLength == 0) {
-        return 0.0f;
-    }
-    FX_INT32 iUsedLen = 0;
-    FX_BOOL bNegtive = FALSE;
-    switch (pwsStr[iUsedLen]) {
-        case '-':
-            bNegtive = TRUE;
-        case '+':
-            iUsedLen++;
-            break;
-    }
-    FX_FLOAT fValue = 0.0f;
-    while (iUsedLen < iLength) {
-        FX_WCHAR wch = pwsStr[iUsedLen];
-        if (wch >= L'0' && wch <= L'9') {
-            fValue = fValue * 10.0f + (wch - L'0');
-        } else {
-            break;
-        }
-        iUsedLen++;
-    }
-    if (iUsedLen < iLength && pwsStr[iUsedLen] == L'.') {
-        FX_FLOAT fPrecise = 0.1f;
-        while (++iUsedLen < iLength) {
-            FX_WCHAR wch = pwsStr[iUsedLen];
-            if (wch >= L'0' && wch <= L'9') {
-                fValue += (wch - L'0') * fPrecise;
-                fPrecise *= 0.1f;
-            } else {
-                break;
-            }
-        }
-    }
-    if (pUsedLen) {
-        *pUsedLen = iUsedLen;
-    }
-    return bNegtive ? -fValue : fValue;
-}
-FX_LPWSTR FXSYS_wcsncpy(FX_LPWSTR dstStr, FX_LPCWSTR srcStr, size_t count)
-{
-    FXSYS_assert(dstStr != NULL && srcStr != NULL && count > 0);
-    for (size_t i = 0; i < count; ++i)
-        if ((dstStr[i] = srcStr[i]) == L'\0') {
-            break;
-        }
-    return dstStr;
-}
-FX_INT32 FXSYS_wcsnicmp(FX_LPCWSTR s1, FX_LPCWSTR s2, size_t count)
-{
-    FXSYS_assert(s1 != NULL && s2 != NULL && count > 0);
-    FX_WCHAR wch1 = 0, wch2 = 0;
-    while (count-- > 0) {
-        wch1 = (FX_WCHAR)FXSYS_tolower(*s1++);
-        wch2 = (FX_WCHAR)FXSYS_tolower(*s2++);
-        if (wch1 != wch2) {
-            break;
-        }
-    }
-    return wch1 - wch2;
-}
-FX_INT32 FXSYS_strnicmp(FX_LPCSTR s1, FX_LPCSTR s2, size_t count)
-{
-    FXSYS_assert(s1 != NULL && s2 != NULL && count > 0);
-    FX_CHAR ch1 = 0, ch2 = 0;
-    while (count-- > 0) {
-        ch1 = (FX_CHAR)FXSYS_tolower(*s1++);
-        ch2 = (FX_CHAR)FXSYS_tolower(*s2++);
-        if (ch1 != ch2) {
-            break;
-        }
-    }
-    return ch1 - ch2;
-}
-FX_DWORD FX_HashCode_String_GetA(FX_LPCSTR pStr, FX_INT32 iLength, FX_BOOL bIgnoreCase)
-{
-    FXSYS_assert(pStr != NULL);
-    if (iLength < 0) {
-        iLength = (FX_INT32)FXSYS_strlen(pStr);
-    }
-    FX_LPCSTR pStrEnd = pStr + iLength;
-    FX_DWORD dwHashCode = 0;
-    if (bIgnoreCase) {
-        while (pStr < pStrEnd) {
-            dwHashCode = 31 * dwHashCode + FXSYS_tolower(*pStr++);
-        }
-    } else {
-        while (pStr < pStrEnd) {
-            dwHashCode = 31 * dwHashCode + *pStr ++;
-        }
-    }
-    return dwHashCode;
-}
-FX_DWORD FX_HashCode_String_GetW(FX_LPCWSTR pStr, FX_INT32 iLength, FX_BOOL bIgnoreCase)
-{
-    FXSYS_assert(pStr != NULL);
-    if (iLength < 0) {
-        iLength = (FX_INT32)FXSYS_wcslen(pStr);
-    }
-    FX_LPCWSTR pStrEnd = pStr + iLength;
-    FX_DWORD dwHashCode = 0;
-    if (bIgnoreCase) {
-        while (pStr < pStrEnd) {
-            dwHashCode = 1313 * dwHashCode + FXSYS_tolower(*pStr++);
-        }
-    } else {
-        while (pStr < pStrEnd) {
-            dwHashCode = 1313 * dwHashCode + *pStr ++;
-        }
-    }
-    return dwHashCode;
-}
-#ifdef __cplusplus
-}
-#endif
-#ifdef __cplusplus
-extern "C" {
-#endif
-FX_LPVOID FX_Random_MT_Start(FX_DWORD dwSeed)
-{
-    FX_LPMTRANDOMCONTEXT pContext = FX_Alloc(FX_MTRANDOMCONTEXT, 1);
-    if (!pContext) {
-        return NULL;
-    }
-    pContext->mt[0] = dwSeed;
-    FX_DWORD &i = pContext->mti;
-    FX_LPDWORD pBuf = pContext->mt;
-    for (i = 1; i < MT_N; i ++) {
-        pBuf[i] = (1812433253UL * (pBuf[i - 1] ^ (pBuf[i - 1] >> 30)) + i);
-    }
-    pContext->bHaveSeed = TRUE;
-    return pContext;
-}
-FX_DWORD FX_Random_MT_Generate(FX_LPVOID pContext)
-{
-    FXSYS_assert(pContext != NULL);
-    FX_LPMTRANDOMCONTEXT pMTC = (FX_LPMTRANDOMCONTEXT)pContext;
-    FX_DWORD v;
-    static FX_DWORD mag[2] = {0, MT_Matrix_A};
-    FX_DWORD &mti = pMTC->mti;
-    FX_LPDWORD pBuf = pMTC->mt;
-    if ((int)mti < 0 || mti >= MT_N) {
-        if (mti > MT_N && !pMTC->bHaveSeed) {
-            return 0;
-        }
-        FX_DWORD kk;
-        for (kk = 0; kk < MT_N - MT_M; kk ++) {
-            v = (pBuf[kk] & MT_Upper_Mask) | (pBuf[kk + 1] & MT_Lower_Mask);
-            pBuf[kk] = pBuf[kk + MT_M] ^ (v >> 1) ^ mag[v & 1];
-        }
-        for (; kk < MT_N - 1; kk ++) {
-            v = (pBuf[kk] & MT_Upper_Mask) | (pBuf[kk + 1] & MT_Lower_Mask);
-            pBuf[kk] = pBuf[kk + (MT_M - MT_N)] ^ (v >> 1) ^ mag[v & 1];
-        }
-        v = (pBuf[MT_N - 1] & MT_Upper_Mask) | (pBuf[0] & MT_Lower_Mask);
-        pBuf[MT_N - 1] = pBuf[MT_M - 1] ^ (v >> 1) ^ mag[v & 1];
-        mti = 0;
-    }
-    v = pBuf[mti ++];
-    v ^= (v >> 11);
-    v ^= (v << 7) & 0x9d2c5680UL;
-    v ^= (v << 15) & 0xefc60000UL;
-    v ^= (v >> 18);
-    return v;
-}
-void FX_Random_MT_Close(FX_LPVOID pContext)
-{
-    FXSYS_assert(pContext != NULL);
-    FX_Free(pContext);
-}
-void FX_Random_GenerateMT(FX_LPDWORD pBuffer, FX_INT32 iCount)
-{
-    FX_DWORD dwSeed;
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
-    if (!FX_GenerateCryptoRandom(&dwSeed, 1)) {
-        FX_Random_GenerateBase(&dwSeed, 1);
-    }
-#else
-    FX_Random_GenerateBase(&dwSeed, 1);
-#endif
-    FX_LPVOID pContext = FX_Random_MT_Start(dwSeed);
-    while (iCount -- > 0) {
-        *pBuffer ++ = FX_Random_MT_Generate(pContext);
-    }
-    FX_Random_MT_Close(pContext);
-}
-void FX_Random_GenerateBase(FX_LPDWORD pBuffer, FX_INT32 iCount)
-{
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
-    SYSTEMTIME st1, st2;
-    ::GetSystemTime(&st1);
-    do {
-        ::GetSystemTime(&st2);
-    } while (FXSYS_memcmp32(&st1, &st2, sizeof(SYSTEMTIME)) == 0);
-    FX_DWORD dwHash1 = FX_HashCode_String_GetA((FX_LPCSTR)&st1, sizeof(st1), TRUE);
-    FX_DWORD dwHash2 = FX_HashCode_String_GetA((FX_LPCSTR)&st2, sizeof(st2), TRUE);
-    ::srand((dwHash1 << 16) | (FX_DWORD)dwHash2);
-#else
-    time_t tmLast = time(NULL), tmCur;
-    while ((tmCur = time(NULL)) == tmLast);
-    ::srand((tmCur << 16) | (tmLast & 0xFFFF));
-#endif
-    while (iCount -- > 0) {
-        *pBuffer ++ = (FX_DWORD)((::rand() << 16) | (::rand() & 0xFFFF));
-    }
-}
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
-FX_BOOL FX_GenerateCryptoRandom(FX_LPDWORD pBuffer, FX_INT32 iCount)
-{
-    HCRYPTPROV hCP = NULL;
-    if (!::CryptAcquireContext(&hCP, NULL, NULL, PROV_RSA_FULL, 0) || hCP == NULL) {
-        return FALSE;
-    }
-    ::CryptGenRandom(hCP, iCount * sizeof(FX_DWORD), (FX_LPBYTE)pBuffer);
-    ::CryptReleaseContext(hCP, 0);
-    return TRUE;
-}
-#endif
-void FX_Random_GenerateCrypto(FX_LPDWORD pBuffer, FX_INT32 iCount)
-{
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
-    FX_GenerateCryptoRandom(pBuffer, iCount);
-#else
-    FX_Random_GenerateBase(pBuffer, iCount);
-#endif
-}
-#ifdef __cplusplus
-}
-#endif
+// 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
+
+#include "../../include/fxcrt/fx_ext.h"
+#include "extension.h"
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+#include <wincrypt.h>
+#else
+#include <ctime>
+#endif
+FX_HFILE FX_File_Open(FX_BSTR fileName, FX_DWORD dwMode, IFX_Allocator* pAllocator)
+{
+    IFXCRT_FileAccess* pFA = FXCRT_FileAccess_Create(pAllocator);
+    if (pFA && !pFA->Open(fileName, dwMode)) {
+        pFA->Release(pAllocator);
+        return NULL;
+    }
+    return (FX_HFILE)pFA;
+}
+FX_HFILE FX_File_Open(FX_WSTR fileName, FX_DWORD dwMode, IFX_Allocator* pAllocator)
+{
+    IFXCRT_FileAccess* pFA = FXCRT_FileAccess_Create(pAllocator);
+    if (pFA && !pFA->Open(fileName, dwMode)) {
+        pFA->Release(pAllocator);
+        return NULL;
+    }
+    return (FX_HFILE)pFA;
+}
+void FX_File_Close(FX_HFILE hFile, IFX_Allocator* pAllocator)
+{
+    FXSYS_assert(hFile != NULL);
+    ((IFXCRT_FileAccess*)hFile)->Close();
+    ((IFXCRT_FileAccess*)hFile)->Release(pAllocator);
+}
+FX_FILESIZE FX_File_GetSize(FX_HFILE hFile)
+{
+    FXSYS_assert(hFile != NULL);
+    return ((IFXCRT_FileAccess*)hFile)->GetSize();
+}
+FX_FILESIZE FX_File_GetPosition(FX_HFILE hFile)
+{
+    FXSYS_assert(hFile != NULL);
+    return ((IFXCRT_FileAccess*)hFile)->GetPosition();
+}
+FX_FILESIZE FX_File_SetPosition(FX_HFILE hFile, FX_FILESIZE pos)
+{
+    FXSYS_assert(hFile != NULL);
+    return ((IFXCRT_FileAccess*)hFile)->SetPosition(pos);
+}
+size_t FX_File_Read(FX_HFILE hFile, void* pBuffer, size_t szBuffer)
+{
+    FXSYS_assert(hFile != NULL);
+    return ((IFXCRT_FileAccess*)hFile)->Read(pBuffer, szBuffer);
+}
+size_t FX_File_ReadPos(FX_HFILE hFile, void* pBuffer, size_t szBuffer, FX_FILESIZE pos)
+{
+    FXSYS_assert(hFile != NULL);
+    return ((IFXCRT_FileAccess*)hFile)->ReadPos(pBuffer, szBuffer, pos);
+}
+size_t FX_File_Write(FX_HFILE hFile, const void* pBuffer, size_t szBuffer)
+{
+    FXSYS_assert(hFile != NULL);
+    return ((IFXCRT_FileAccess*)hFile)->Write(pBuffer, szBuffer);
+}
+size_t FX_File_WritePos(FX_HFILE hFile, const void* pBuffer, size_t szBuffer, FX_FILESIZE pos)
+{
+    FXSYS_assert(hFile != NULL);
+    return ((IFXCRT_FileAccess*)hFile)->WritePos(pBuffer, szBuffer, pos);
+}
+FX_BOOL FX_File_Flush(FX_HFILE hFile)
+{
+    FXSYS_assert(hFile != NULL);
+    return ((IFXCRT_FileAccess*)hFile)->Flush();
+}
+FX_BOOL FX_File_Truncate(FX_HFILE hFile, FX_FILESIZE szFile)
+{
+    FXSYS_assert(hFile != NULL);
+    return ((IFXCRT_FileAccess*)hFile)->Truncate(szFile);
+}
+IFX_FileStream* FX_CreateFileStream(FX_LPCSTR filename, FX_DWORD dwModes, IFX_Allocator* pAllocator)
+{
+    IFXCRT_FileAccess* pFA = FXCRT_FileAccess_Create(pAllocator);
+    if (!pFA) {
+        return NULL;
+    }
+    if (!pFA->Open(filename, dwModes)) {
+        pFA->Release(pAllocator);
+        return NULL;
+    }
+    if (pAllocator) {
+        return FX_NewAtAllocator(pAllocator) CFX_CRTFileStream(pFA, pAllocator);
+    } else {
+        return FX_NEW CFX_CRTFileStream(pFA, pAllocator);
+    }
+}
+IFX_FileStream* FX_CreateFileStream(FX_LPCWSTR filename, FX_DWORD dwModes, IFX_Allocator* pAllocator)
+{
+    IFXCRT_FileAccess* pFA = FXCRT_FileAccess_Create(pAllocator);
+    if (!pFA) {
+        return NULL;
+    }
+    if (!pFA->Open(filename, dwModes)) {
+        pFA->Release(pAllocator);
+        return NULL;
+    }
+    if (pAllocator) {
+        return FX_NewAtAllocator(pAllocator) CFX_CRTFileStream(pFA, pAllocator);
+    } else {
+        return FX_NEW CFX_CRTFileStream(pFA, pAllocator);
+    }
+}
+IFX_FileWrite* FX_CreateFileWrite(FX_LPCSTR filename, IFX_Allocator* pAllocator)
+{
+    return FX_CreateFileStream(filename, FX_FILEMODE_Truncate, pAllocator);
+}
+IFX_FileWrite* FX_CreateFileWrite(FX_LPCWSTR filename, IFX_Allocator* pAllocator)
+{
+    return FX_CreateFileStream(filename, FX_FILEMODE_Truncate, pAllocator);
+}
+IFX_FileRead* FX_CreateFileRead(FX_LPCSTR filename, IFX_Allocator* pAllocator)
+{
+    return FX_CreateFileStream(filename, FX_FILEMODE_ReadOnly, pAllocator);
+}
+IFX_FileRead* FX_CreateFileRead(FX_LPCWSTR filename, IFX_Allocator* pAllocator)
+{
+    return FX_CreateFileStream(filename, FX_FILEMODE_ReadOnly, pAllocator);
+}
+IFX_MemoryStream* FX_CreateMemoryStream(FX_LPBYTE pBuffer, size_t dwSize, FX_BOOL bTakeOver, IFX_Allocator* pAllocator)
+{
+    if (pAllocator) {
+        return FX_NewAtAllocator(pAllocator)CFX_MemoryStream(pBuffer, dwSize, bTakeOver, pAllocator);
+    } else {
+        return FX_NEW CFX_MemoryStream(pBuffer, dwSize, bTakeOver, NULL);
+    }
+}
+IFX_MemoryStream* FX_CreateMemoryStream(FX_BOOL bConsecutive, IFX_Allocator* pAllocator)
+{
+    if (pAllocator) {
+        return FX_NewAtAllocator(pAllocator)CFX_MemoryStream(bConsecutive, pAllocator);
+    } else {
+        return FX_NEW CFX_MemoryStream(bConsecutive, NULL);
+    }
+}
+#ifdef __cplusplus
+extern "C" {
+#endif
+FX_FLOAT FXSYS_tan(FX_FLOAT a)
+{
+    return (FX_FLOAT)tan(a);
+}
+FX_FLOAT FXSYS_logb(FX_FLOAT b, FX_FLOAT x)
+{
+    return FXSYS_log(x) / FXSYS_log(b);
+}
+FX_FLOAT FXSYS_strtof(FX_LPCSTR pcsStr, FX_INT32 iLength, FX_INT32 *pUsedLen)
+{
+    FXSYS_assert(pcsStr != NULL);
+    if (iLength < 0) {
+        iLength = (FX_INT32)FXSYS_strlen(pcsStr);
+    }
+    CFX_WideString ws = CFX_WideString::FromLocal(pcsStr, iLength);
+    return FXSYS_wcstof((FX_LPCWSTR)ws, iLength, pUsedLen);
+}
+FX_FLOAT FXSYS_wcstof(FX_LPCWSTR pwsStr, FX_INT32 iLength, FX_INT32 *pUsedLen)
+{
+    FXSYS_assert(pwsStr != NULL);
+    if (iLength < 0) {
+        iLength = (FX_INT32)FXSYS_wcslen(pwsStr);
+    }
+    if (iLength == 0) {
+        return 0.0f;
+    }
+    FX_INT32 iUsedLen = 0;
+    FX_BOOL bNegtive = FALSE;
+    switch (pwsStr[iUsedLen]) {
+        case '-':
+            bNegtive = TRUE;
+        case '+':
+            iUsedLen++;
+            break;
+    }
+    FX_FLOAT fValue = 0.0f;
+    while (iUsedLen < iLength) {
+        FX_WCHAR wch = pwsStr[iUsedLen];
+        if (wch >= L'0' && wch <= L'9') {
+            fValue = fValue * 10.0f + (wch - L'0');
+        } else {
+            break;
+        }
+        iUsedLen++;
+    }
+    if (iUsedLen < iLength && pwsStr[iUsedLen] == L'.') {
+        FX_FLOAT fPrecise = 0.1f;
+        while (++iUsedLen < iLength) {
+            FX_WCHAR wch = pwsStr[iUsedLen];
+            if (wch >= L'0' && wch <= L'9') {
+                fValue += (wch - L'0') * fPrecise;
+                fPrecise *= 0.1f;
+            } else {
+                break;
+            }
+        }
+    }
+    if (pUsedLen) {
+        *pUsedLen = iUsedLen;
+    }
+    return bNegtive ? -fValue : fValue;
+}
+FX_LPWSTR FXSYS_wcsncpy(FX_LPWSTR dstStr, FX_LPCWSTR srcStr, size_t count)
+{
+    FXSYS_assert(dstStr != NULL && srcStr != NULL && count > 0);
+    for (size_t i = 0; i < count; ++i)
+        if ((dstStr[i] = srcStr[i]) == L'\0') {
+            break;
+        }
+    return dstStr;
+}
+FX_INT32 FXSYS_wcsnicmp(FX_LPCWSTR s1, FX_LPCWSTR s2, size_t count)
+{
+    FXSYS_assert(s1 != NULL && s2 != NULL && count > 0);
+    FX_WCHAR wch1 = 0, wch2 = 0;
+    while (count-- > 0) {
+        wch1 = (FX_WCHAR)FXSYS_tolower(*s1++);
+        wch2 = (FX_WCHAR)FXSYS_tolower(*s2++);
+        if (wch1 != wch2) {
+            break;
+        }
+    }
+    return wch1 - wch2;
+}
+FX_INT32 FXSYS_strnicmp(FX_LPCSTR s1, FX_LPCSTR s2, size_t count)
+{
+    FXSYS_assert(s1 != NULL && s2 != NULL && count > 0);
+    FX_CHAR ch1 = 0, ch2 = 0;
+    while (count-- > 0) {
+        ch1 = (FX_CHAR)FXSYS_tolower(*s1++);
+        ch2 = (FX_CHAR)FXSYS_tolower(*s2++);
+        if (ch1 != ch2) {
+            break;
+        }
+    }
+    return ch1 - ch2;
+}
+FX_DWORD FX_HashCode_String_GetA(FX_LPCSTR pStr, FX_INT32 iLength, FX_BOOL bIgnoreCase)
+{
+    FXSYS_assert(pStr != NULL);
+    if (iLength < 0) {
+        iLength = (FX_INT32)FXSYS_strlen(pStr);
+    }
+    FX_LPCSTR pStrEnd = pStr + iLength;
+    FX_DWORD dwHashCode = 0;
+    if (bIgnoreCase) {
+        while (pStr < pStrEnd) {
+            dwHashCode = 31 * dwHashCode + FXSYS_tolower(*pStr++);
+        }
+    } else {
+        while (pStr < pStrEnd) {
+            dwHashCode = 31 * dwHashCode + *pStr ++;
+        }
+    }
+    return dwHashCode;
+}
+FX_DWORD FX_HashCode_String_GetW(FX_LPCWSTR pStr, FX_INT32 iLength, FX_BOOL bIgnoreCase)
+{
+    FXSYS_assert(pStr != NULL);
+    if (iLength < 0) {
+        iLength = (FX_INT32)FXSYS_wcslen(pStr);
+    }
+    FX_LPCWSTR pStrEnd = pStr + iLength;
+    FX_DWORD dwHashCode = 0;
+    if (bIgnoreCase) {
+        while (pStr < pStrEnd) {
+            dwHashCode = 1313 * dwHashCode + FXSYS_tolower(*pStr++);
+        }
+    } else {
+        while (pStr < pStrEnd) {
+            dwHashCode = 1313 * dwHashCode + *pStr ++;
+        }
+    }
+    return dwHashCode;
+}
+#ifdef __cplusplus
+}
+#endif
+#ifdef __cplusplus
+extern "C" {
+#endif
+FX_LPVOID FX_Random_MT_Start(FX_DWORD dwSeed)
+{
+    FX_LPMTRANDOMCONTEXT pContext = FX_Alloc(FX_MTRANDOMCONTEXT, 1);
+    if (!pContext) {
+        return NULL;
+    }
+    pContext->mt[0] = dwSeed;
+    FX_DWORD &i = pContext->mti;
+    FX_LPDWORD pBuf = pContext->mt;
+    for (i = 1; i < MT_N; i ++) {
+        pBuf[i] = (1812433253UL * (pBuf[i - 1] ^ (pBuf[i - 1] >> 30)) + i);
+    }
+    pContext->bHaveSeed = TRUE;
+    return pContext;
+}
+FX_DWORD FX_Random_MT_Generate(FX_LPVOID pContext)
+{
+    FXSYS_assert(pContext != NULL);
+    FX_LPMTRANDOMCONTEXT pMTC = (FX_LPMTRANDOMCONTEXT)pContext;
+    FX_DWORD v;
+    static FX_DWORD mag[2] = {0, MT_Matrix_A};
+    FX_DWORD &mti = pMTC->mti;
+    FX_LPDWORD pBuf = pMTC->mt;
+    if ((int)mti < 0 || mti >= MT_N) {
+        if (mti > MT_N && !pMTC->bHaveSeed) {
+            return 0;
+        }
+        FX_DWORD kk;
+        for (kk = 0; kk < MT_N - MT_M; kk ++) {
+            v = (pBuf[kk] & MT_Upper_Mask) | (pBuf[kk + 1] & MT_Lower_Mask);
+            pBuf[kk] = pBuf[kk + MT_M] ^ (v >> 1) ^ mag[v & 1];
+        }
+        for (; kk < MT_N - 1; kk ++) {
+            v = (pBuf[kk] & MT_Upper_Mask) | (pBuf[kk + 1] & MT_Lower_Mask);
+            pBuf[kk] = pBuf[kk + (MT_M - MT_N)] ^ (v >> 1) ^ mag[v & 1];
+        }
+        v = (pBuf[MT_N - 1] & MT_Upper_Mask) | (pBuf[0] & MT_Lower_Mask);
+        pBuf[MT_N - 1] = pBuf[MT_M - 1] ^ (v >> 1) ^ mag[v & 1];
+        mti = 0;
+    }
+    v = pBuf[mti ++];
+    v ^= (v >> 11);
+    v ^= (v << 7) & 0x9d2c5680UL;
+    v ^= (v << 15) & 0xefc60000UL;
+    v ^= (v >> 18);
+    return v;
+}
+void FX_Random_MT_Close(FX_LPVOID pContext)
+{
+    FXSYS_assert(pContext != NULL);
+    FX_Free(pContext);
+}
+void FX_Random_GenerateMT(FX_LPDWORD pBuffer, FX_INT32 iCount)
+{
+    FX_DWORD dwSeed;
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+    if (!FX_GenerateCryptoRandom(&dwSeed, 1)) {
+        FX_Random_GenerateBase(&dwSeed, 1);
+    }
+#else
+    FX_Random_GenerateBase(&dwSeed, 1);
+#endif
+    FX_LPVOID pContext = FX_Random_MT_Start(dwSeed);
+    while (iCount -- > 0) {
+        *pBuffer ++ = FX_Random_MT_Generate(pContext);
+    }
+    FX_Random_MT_Close(pContext);
+}
+void FX_Random_GenerateBase(FX_LPDWORD pBuffer, FX_INT32 iCount)
+{
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+    SYSTEMTIME st1, st2;
+    ::GetSystemTime(&st1);
+    do {
+        ::GetSystemTime(&st2);
+    } while (FXSYS_memcmp32(&st1, &st2, sizeof(SYSTEMTIME)) == 0);
+    FX_DWORD dwHash1 = FX_HashCode_String_GetA((FX_LPCSTR)&st1, sizeof(st1), TRUE);
+    FX_DWORD dwHash2 = FX_HashCode_String_GetA((FX_LPCSTR)&st2, sizeof(st2), TRUE);
+    ::srand((dwHash1 << 16) | (FX_DWORD)dwHash2);
+#else
+    time_t tmLast = time(NULL), tmCur;
+    while ((tmCur = time(NULL)) == tmLast);
+    ::srand((tmCur << 16) | (tmLast & 0xFFFF));
+#endif
+    while (iCount -- > 0) {
+        *pBuffer ++ = (FX_DWORD)((::rand() << 16) | (::rand() & 0xFFFF));
+    }
+}
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+FX_BOOL FX_GenerateCryptoRandom(FX_LPDWORD pBuffer, FX_INT32 iCount)
+{
+    HCRYPTPROV hCP = NULL;
+    if (!::CryptAcquireContext(&hCP, NULL, NULL, PROV_RSA_FULL, 0) || hCP == NULL) {
+        return FALSE;
+    }
+    ::CryptGenRandom(hCP, iCount * sizeof(FX_DWORD), (FX_LPBYTE)pBuffer);
+    ::CryptReleaseContext(hCP, 0);
+    return TRUE;
+}
+#endif
+void FX_Random_GenerateCrypto(FX_LPDWORD pBuffer, FX_INT32 iCount)
+{
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+    FX_GenerateCryptoRandom(pBuffer, iCount);
+#else
+    FX_Random_GenerateBase(pBuffer, iCount);
+#endif
+}
+#ifdef __cplusplus
+}
+#endif