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GeezerVison is showing github.com — cpython/Include/internal/pycore_fileutils_windows.h at main · python/cpython

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#ifndef Py_INTERNAL_FILEUTILS_WINDOWS_H
#define Py_INTERNAL_FILEUTILS_WINDOWS_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
#ifdef MS_WINDOWS
#if !defined(NTDDI_WIN10_NI) || !(NTDDI_VERSION >= NTDDI_WIN10_NI)
typedef struct _FILE_STAT_BASIC_INFORMATION {
LARGE_INTEGER FileId;
LARGE_INTEGER CreationTime;
LARGE_INTEGER LastAccessTime;
LARGE_INTEGER LastWriteTime;
LARGE_INTEGER ChangeTime;
LARGE_INTEGER AllocationSize;
LARGE_INTEGER EndOfFile;
ULONG FileAttributes;
ULONG ReparseTag;
ULONG NumberOfLinks;
ULONG DeviceType;
ULONG DeviceCharacteristics;
ULONG Reserved;
LARGE_INTEGER VolumeSerialNumber;
FILE_ID_128 FileId128;
} FILE_STAT_BASIC_INFORMATION;
typedef enum _FILE_INFO_BY_NAME_CLASS {
FileStatByNameInfo,
FileStatLxByNameInfo,
FileCaseSensitiveByNameInfo,
FileStatBasicByNameInfo,
MaximumFileInfoByNameClass
} FILE_INFO_BY_NAME_CLASS;
#endif
typedef BOOL (WINAPI *PGetFileInformationByName)(
PCWSTR FileName,
FILE_INFO_BY_NAME_CLASS FileInformationClass,
PVOID FileInfoBuffer,
ULONG FileInfoBufferSize
);
static inline BOOL _Py_GetFileInformationByName(
PCWSTR FileName,
FILE_INFO_BY_NAME_CLASS FileInformationClass,
PVOID FileInfoBuffer,
ULONG FileInfoBufferSize
) {
static PGetFileInformationByName GetFileInformationByName = NULL;
static int GetFileInformationByName_init = -1;
if (GetFileInformationByName_init < 0) {
HMODULE hMod = LoadLibraryW(L"api-ms-win-core-file-l2-1-4");
GetFileInformationByName_init = 0;
if (hMod) {
GetFileInformationByName = (PGetFileInformationByName)GetProcAddress(
hMod, "GetFileInformationByName");
if (GetFileInformationByName) {
GetFileInformationByName_init = 1;
} else {
FreeLibrary(hMod);
}
}
}
if (GetFileInformationByName_init <= 0) {
SetLastError(ERROR_NOT_SUPPORTED);
return FALSE;
}
return GetFileInformationByName(FileName, FileInformationClass, FileInfoBuffer, FileInfoBufferSize);
}
static inline BOOL _Py_GetFileInformationByName_ErrorIsTrustworthy(int error)
{
switch(error) {
case ERROR_FILE_NOT_FOUND:
case ERROR_PATH_NOT_FOUND:
case ERROR_NOT_READY:
case ERROR_BAD_NET_NAME:
case ERROR_BAD_NETPATH:
case ERROR_BAD_PATHNAME:
case ERROR_INVALID_NAME:
case ERROR_FILENAME_EXCED_RANGE:
return TRUE;
case ERROR_NOT_SUPPORTED:
return FALSE;
}
return FALSE;
}
#endif
#endif
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