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cellFsUtime implemented

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Nekotekina 2017-01-26 15:01:21 +03:00 • committed by Ivan
parent 1705638e25
commit 4ecf05aa13
6 changed files with 86 additions and 6 deletions
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52
Utilities/File.cpp
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@ -69,6 +69,15 @@ static time_t to_time(const FILETIME& ft)
return to_time(v);
}
static FILETIME from_time(s64 _time)
{
const ullong wtime = (_time + 11644473600ULL) * 10000000ULL;
FILETIME result;
result.dwLowDateTime = static_cast<DWORD>(wtime);
result.dwHighDateTime = static_cast<DWORD>(wtime >> 32);
return result;
}
static fs::error to_error(DWORD e)
{
switch (e)
@ -94,6 +103,7 @@ static fs::error to_error(DWORD e)
#include <libgen.h>
#include <string.h>
#include <unistd.h>
#include <utime.h>
#if defined(__APPLE__) || defined(__FreeBSD__)
#include <copyfile.h>
@ -603,6 +613,48 @@ bool fs::truncate_file(const std::string& path, u64 length)
#endif
}
bool fs::utime(const std::string& path, s64 atime, s64 mtime)
{
if (auto device = get_virtual_device(path))
{
return device->utime(path, atime, mtime);
}
#ifdef _WIN32
// Open the file
const auto handle = CreateFileW(to_wchar(path).get(), FILE_WRITE_ATTRIBUTES, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (handle == INVALID_HANDLE_VALUE)
{
g_tls_error = to_error(GetLastError());
return false;
}
FILETIME _atime = from_time(atime);
FILETIME _mtime = from_time(mtime);
if (!SetFileTime(handle, nullptr, &_atime, &_mtime))
{
g_tls_error = to_error(GetLastError());
CloseHandle(handle);
return false;
}
CloseHandle(handle);
return true;
#else
::utimbuf buf;
buf.actime = atime;
buf.modtime = mtime;
if (::utime(path.c_str(), &buf) != 0)
{
g_tls_error = to_error(errno);
return false;
}
return true;
#endif
}
void fs::file::xnull() const
{
fmt::throw_exception<std::logic_error>("fs::file is null");