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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "chrome/installer/mini_installer/pe_resource.h"
PEResource::PEResource(HRSRC resource, HMODULE module)
: resource_(resource), module_(module) {
}
PEResource::PEResource(const wchar_t* name, const wchar_t* type, HMODULE module)
: resource_(NULL), module_(module) {
resource_ = ::FindResourceW(module, name, type);
}
bool PEResource::IsValid() {
return (NULL != resource_);
}
size_t PEResource::Size() {
return ::SizeofResource(module_, resource_);
}
bool PEResource::WriteToDisk(const wchar_t* full_path) {
// Resource handles are not real HGLOBALs so do not attempt to close them.
// Windows frees them whenever there is memory pressure.
HGLOBAL data_handle = ::LoadResource(module_, resource_);
if (NULL == data_handle) {
return false;
}
void* data = ::LockResource(data_handle);
if (NULL == data) {
return false;
}
size_t resource_size = Size();
HANDLE out_file = ::CreateFileW(full_path, GENERIC_WRITE, 0, NULL,
CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (INVALID_HANDLE_VALUE == out_file) {
return false;
}
DWORD written = 0;
if (!::WriteFile(out_file, data, static_cast<DWORD>(resource_size),
&written, NULL)) {
::CloseHandle(out_file);
return false;
}
return ::CloseHandle(out_file) ? true : false;
}
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