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move static function. NFC

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llvm-svn: 318729
This commit is contained in:
Rafael Espindola 2017-11-21 05:35:45 +00:00
parent e8b6e750ba
commit 709b1b61bb
1 changed files with 24 additions and 26 deletions
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50
lib/Support/Windows/Path.inc
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@ -418,32 +418,6 @@ static std::error_code rename_internal(HANDLE FromHandle, const Twine &To,
return std::error_code();
}
static std::error_code rename_handle(HANDLE Handle, const Twine &To);
std::error_code rename(const Twine &From, const Twine &To) {
// Convert to utf-16.
SmallVector<wchar_t, 128> WideFrom;
if (std::error_code EC = widenPath(From, WideFrom))
return EC;
ScopedFileHandle FromHandle;
// Retry this a few times to defeat badly behaved file system scanners.
for (unsigned Retry = 0; Retry != 200; ++Retry) {
if (Retry != 0)
::Sleep(10);
FromHandle =
::CreateFileW(WideFrom.begin(), GENERIC_READ | DELETE,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (FromHandle)
break;
}
if (!FromHandle)
return mapWindowsError(GetLastError());
return rename_handle(FromHandle, To);
}
static std::error_code rename_handle(HANDLE FromHandle, const Twine &To) {
SmallVector<wchar_t, 128> WideTo;
if (std::error_code EC = widenPath(To, WideTo))
@ -539,6 +513,30 @@ static std::error_code rename_handle(HANDLE FromHandle, const Twine &To) {
return errc::permission_denied;
}
std::error_code rename(const Twine &From, const Twine &To) {
// Convert to utf-16.
SmallVector<wchar_t, 128> WideFrom;
if (std::error_code EC = widenPath(From, WideFrom))
return EC;
ScopedFileHandle FromHandle;
// Retry this a few times to defeat badly behaved file system scanners.
for (unsigned Retry = 0; Retry != 200; ++Retry) {
if (Retry != 0)
::Sleep(10);
FromHandle =
::CreateFileW(WideFrom.begin(), GENERIC_READ | DELETE,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (FromHandle)
break;
}
if (!FromHandle)
return mapWindowsError(GetLastError());
return rename_handle(FromHandle, To);
}
std::error_code resize_file(int FD, uint64_t Size) {
#ifdef HAVE__CHSIZE_S
errno_t error = ::_chsize_s(FD, Size);