1 files changed, 117 insertions, 0 deletions
diff --git a/xfa/fgas/crt/fgas_system.cpp b/xfa/fgas/crt/fgas_system.cpp
new file mode 100644
index 0000000000..9d76a60118
--- /dev/null
+++ b/xfa/fgas/crt/fgas_system.cpp
@@ -0,0 +1,117 @@
+// 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 "xfa/fgas/crt/fgas_system.h"
+
+#include <algorithm>
+
+#include "core/include/fxcrt/fx_system.h"
+
+#if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN32_MOBILE_ || \
+    _FX_OS_ == _FX_WIN64_
+#include <io.h>
+#elif _FX_OS_ == _FX_LINUX_DESKTOP_ || _FX_OS_ == _FX_LINUX_Mini_
+#include <sys/times.h>
+#endif
+
+namespace {
+
+inline FX_BOOL FX_isupper(int32_t ch) {
+  return ch >= 'A' && ch <= 'Z';
+}
+
+inline int32_t FX_tolower(int32_t ch) {
+  return FX_isupper(ch) ? (ch + 0x20) : ch;
+}
+
+}  // namespace
+
+int32_t FX_wcsnicmp(const FX_WCHAR* s1, const FX_WCHAR* s2, size_t count) {
+  FXSYS_assert(s1 != NULL && s2 != NULL && count > 0);
+  FX_WCHAR wch1 = 0, wch2 = 0;
+  while (count-- > 0) {
+    wch1 = (FX_WCHAR)FX_tolower(*s1++);
+    wch2 = (FX_WCHAR)FX_tolower(*s2++);
+    if (wch1 != wch2) {
+      break;
+    }
+  }
+  return wch1 - wch2;
+}
+
+int32_t FX_filelength(FXSYS_FILE* file) {
+  FXSYS_assert(file != NULL);
+#if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN64_
+  return _filelength(_fileno(file));
+#else
+  int32_t iPos = FXSYS_ftell(file);
+  FXSYS_fseek(file, 0, FXSYS_SEEK_END);
+  int32_t iLen = FXSYS_ftell(file);
+  FXSYS_fseek(file, iPos, FXSYS_SEEK_SET);
+  return iLen;
+#endif
+}
+
+FX_BOOL FX_fsetsize(FXSYS_FILE* file, int32_t size) {
+  FXSYS_assert(file != NULL);
+#if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN64_
+  return _chsize(_fileno(file), size) == 0;
+#elif _FX_OS_ == _FX_WIN32_MOBILE_
+  HANDLE hFile = _fileno(file);
+  FX_DWORD dwPos = ::SetFilePointer(hFile, 0, 0, FILE_CURRENT);
+  ::SetFilePointer(hFile, size, 0, FILE_BEGIN);
+  FX_BOOL bRet = ::SetEndOfFile(hFile);
+  ::SetFilePointer(hFile, (int32_t)dwPos, 0, FILE_BEGIN);
+  return bRet;
+#else
+  return FALSE;
+#endif
+}
+
+FX_FLOAT FX_wcstof(const FX_WCHAR* pwsStr, int32_t iLength, int32_t* pUsedLen) {
+  FXSYS_assert(pwsStr != NULL);
+  if (iLength < 0) {
+    iLength = FXSYS_wcslen(pwsStr);
+  }
+  if (iLength == 0) {
+    return 0.0f;
+  }
+  int32_t 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;
+}