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vdlog: Use _wstat64 instead of GetFileSize

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This has different advantages:
- code is shorter and more readable;
- does not need to open the file and close;
- works on files bigger than 4gb.

Signed-off-by: Frediano Ziglio <fziglio@redhat.com>
Acked-by: Victor Toso <victortoso@redhat.com>
This commit is contained in:
Frediano Ziglio 2019-11-18 10:40:47 +00:00
parent 1dd3f3586a
commit 615cd463e0
1 changed files with 2 additions and 8 deletions
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10
common/vdlog.cpp
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@ -46,14 +46,8 @@ VDLog* VDLog::get(TCHAR* path)
if (_log || !path) {
return _log;
}
DWORD size = 0;
HANDLE file = CreateFile(path, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL,
NULL);
if (file != INVALID_HANDLE_VALUE) {
size = GetFileSize(file, NULL);
CloseHandle(file);
}
if (size != INVALID_FILE_SIZE && size > LOG_ROLL_SIZE) {
__stat64 buf;
if (_wstat64(path, &buf) == 0 && buf.st_size > LOG_ROLL_SIZE) {
TCHAR roll_path[MAX_PATH];
swprintf_s(roll_path, MAX_PATH, L"%s.1", path);
if (!MoveFileEx(path, roll_path, MOVEFILE_REPLACE_EXISTING)) {