blob: 640059430da773e046889a859110fc7be9ee522a [file] [log] [blame]
// Copyright 2017 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "starboard/file.h"
#include <windows.h>
#include "starboard/shared/win32/file_internal.h"
int64_t SbFileSeek(SbFile file, SbFileWhence whence, int64_t offset) {
if (!starboard::shared::win32::HasValidHandle(file)) {
return -1;
}
LARGE_INTEGER new_file_pointer = {0};
LARGE_INTEGER offset_argument = {0};
offset_argument.QuadPart = offset;
BOOL success =
SetFilePointerEx(file->file_handle, offset_argument, &new_file_pointer,
static_cast<DWORD>(whence));
if (!success) {
return -1;
}
return new_file_pointer.QuadPart;
}