| 28 | } |
| 29 | |
| 30 | extern "C" int myfstat(int fd, struct _stat64 *buf) |
| 31 | { |
| 32 | if (buf == nullptr) |
| 33 | { |
| 34 | errno = EINVAL; |
| 35 | return -1; |
| 36 | } |
| 37 | HANDLE hFile = reinterpret_cast<HANDLE>(_get_osfhandle(fd)); |
| 38 | if (hFile == INVALID_HANDLE_VALUE) |
| 39 | { |
| 40 | errno = EBADF; |
| 41 | return -1; |
| 42 | } |
| 43 | memset(buf, 0, sizeof(*buf)); |
| 44 | switch (GetFileType(hFile) & ~FILE_TYPE_REMOTE) |
| 45 | { |
| 46 | case FILE_TYPE_CHAR: |
| 47 | buf->st_mode = _S_IFCHR; |
| 48 | return 0; |
| 49 | case FILE_TYPE_PIPE: |
| 50 | buf->st_mode = _S_IFIFO; |
| 51 | DWORD nBufferSize; |
| 52 | if (PeekNamedPipe(hFile, nullptr, 0, nullptr, &nBufferSize, nullptr)) |
| 53 | buf->st_size = nBufferSize; |
| 54 | return 0; |
| 55 | case FILE_TYPE_DISK: |
| 56 | BY_HANDLE_FILE_INFORMATION hfi; |
| 57 | if (!GetFileInformationByHandle(hFile, &hfi)) |
| 58 | { |
| 59 | errno = EBADF; |
| 60 | return -1; |
| 61 | } |
| 62 | set_statbuf(hfi, *buf); |
| 63 | return 0; |
| 64 | default: |
| 65 | errno = EBADF; |
| 66 | return -1; |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | extern "C" int mywstat(const wchar_t *filename, struct _stat64 *buf) |
| 71 | { |