codekingpro/portable-devtools

1#ifndef Py_INTERNAL_FILEUTILS_WINDOWS_H2#define Py_INTERNAL_FILEUTILS_WINDOWS_H3#ifdef __cplusplus4extern "C" {5#endif6 7#ifndef Py_BUILD_CORE8#  error "this header requires Py_BUILD_CORE define"9#endif10 11#ifdef MS_WINDOWS12 13#if !defined(NTDDI_WIN10_NI) || !(NTDDI_VERSION >= NTDDI_WIN10_NI)14typedef struct _FILE_STAT_BASIC_INFORMATION {15    LARGE_INTEGER FileId;16    LARGE_INTEGER CreationTime;17    LARGE_INTEGER LastAccessTime;18    LARGE_INTEGER LastWriteTime;19    LARGE_INTEGER ChangeTime;20    LARGE_INTEGER AllocationSize;21    LARGE_INTEGER EndOfFile;22    ULONG FileAttributes;23    ULONG ReparseTag;24    ULONG NumberOfLinks;25    ULONG DeviceType;26    ULONG DeviceCharacteristics;27    ULONG Reserved;28    LARGE_INTEGER VolumeSerialNumber;29    FILE_ID_128 FileId128;30} FILE_STAT_BASIC_INFORMATION;31 32typedef enum _FILE_INFO_BY_NAME_CLASS {33    FileStatByNameInfo,34    FileStatLxByNameInfo,35    FileCaseSensitiveByNameInfo,36    FileStatBasicByNameInfo,37    MaximumFileInfoByNameClass38} FILE_INFO_BY_NAME_CLASS;39#endif40 41typedef BOOL (WINAPI *PGetFileInformationByName)(42    PCWSTR FileName,43    FILE_INFO_BY_NAME_CLASS FileInformationClass,44    PVOID FileInfoBuffer,45    ULONG FileInfoBufferSize46);47 48static inline BOOL _Py_GetFileInformationByName(49    PCWSTR FileName,50    FILE_INFO_BY_NAME_CLASS FileInformationClass,51    PVOID FileInfoBuffer,52    ULONG FileInfoBufferSize53) {54    static PGetFileInformationByName GetFileInformationByName = NULL;55    static int GetFileInformationByName_init = -1;56 57    if (GetFileInformationByName_init < 0) {58        HMODULE hMod = LoadLibraryW(L"api-ms-win-core-file-l2-1-4");59        GetFileInformationByName_init = 0;60        if (hMod) {61            GetFileInformationByName = (PGetFileInformationByName)GetProcAddress(62                hMod, "GetFileInformationByName");63            if (GetFileInformationByName) {64                GetFileInformationByName_init = 1;65            } else {66                FreeLibrary(hMod);67            }68        }69    }70 71    if (GetFileInformationByName_init <= 0) {72        SetLastError(ERROR_NOT_SUPPORTED);73        return FALSE;74    }75    return GetFileInformationByName(FileName, FileInformationClass, FileInfoBuffer, FileInfoBufferSize);76}77 78static inline BOOL _Py_GetFileInformationByName_ErrorIsTrustworthy(int error)79{80    switch(error) {81        case ERROR_FILE_NOT_FOUND:82        case ERROR_PATH_NOT_FOUND:83        case ERROR_NOT_READY:84        case ERROR_BAD_NET_NAME:85        case ERROR_BAD_NETPATH:86        case ERROR_BAD_PATHNAME:87        case ERROR_INVALID_NAME:88        case ERROR_FILENAME_EXCED_RANGE:89            return TRUE;90        case ERROR_NOT_SUPPORTED:91            return FALSE;92    }93    return FALSE;94}95 96#endif97 98#endif99