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Remove unused helpers from wfilesystem

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Were used for mtime conversion. Cpp-20 has std::chrono::file_clock.

Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>
This commit is contained in:
Ralph Sennhauser
2026-06-18 20:43:15 +02:00
parent 3c0274c7cc
commit 52dee75c47
1 changed files with 1 additions and 51 deletions
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source/lib/sysdep/os/win/wposix/wfilesystem.cpp
+1 -51
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@@ -21,6 +21,7 @@
*/
#include "precompiled.h"
#include "lib/sysdep/filesystem.h"
#include "lib/debug.h"
@@ -28,57 +29,6 @@
#include "lib/sysdep/os/win/wposix/waio.h" // waio_reopen
#include "lib/sysdep/os/win/wposix/crt_posix.h" // _close, _lseeki64 etc.
#include <atomic>
//-----------------------------------------------------------------------------
// dirent.h
//-----------------------------------------------------------------------------
static const long _1e7 = 10000000;
// hectonanoseconds between Windows and POSIX epoch
static const u64 posix_epoch_hns = 0x019DB1DED53E8000;
// this function avoids the pitfall of casting FILETIME* to u64*,
// which is not safe due to differing alignment guarantees!
// on some platforms, that would result in an exception.
static u64 u64_from_FILETIME(const FILETIME* ft)
{
return u64_from_u32(ft->dwHighDateTime, ft->dwLowDateTime);
}
// convert UTC FILETIME to seconds-since-1970 UTC:
// we just have to subtract POSIX epoch and scale down to units of seconds.
//
// note: RtlTimeToSecondsSince1970 isn't officially documented,
// so don't use that.
static time_t wtime_utc_filetime_to_time_t(FILETIME* ft)
{
u64 hns = u64_from_FILETIME(ft);
u64 s = (hns - posix_epoch_hns) / _1e7;
return static_cast<time_t>(s & 0xFFFFFFFF);
}
static bool IsValidDirectory(const OsPath& path)
{
const DWORD fileAttributes = GetFileAttributesW(OsString(path).c_str());
// path not found
if(fileAttributes == INVALID_FILE_ATTRIBUTES)
return false;
// not a directory
if((fileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0)
return false;
// NB: no longer reject hidden or system attributes since
// wsnd's add_oal_dlls_in_dir opens the Windows system directory,
// which sometimes has these attributes set.
return true;
}
//-----------------------------------------------------------------------------
// fcntl.h
//-----------------------------------------------------------------------------