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LibWasm/WASI: Add support for fd_seek()

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Ali Mohammad Pur 2024-07-16 17:49:12 +02:00 • committed by Andreas Kling
commit e08a7cb94d
Notes: sideshowbarker 2024-07-18 23:45:37 +09:00
1 changed files with 13 additions and 1 deletions
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14
Userland/Libraries/LibWasm/WASI/Wasi.cpp
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@ -812,6 +812,19 @@ ErrorOr<Result<FDStat>> Implementation::impl$fd_fdstat_get(Configuration&, FD fd
};
}
ErrorOr<Result<FileSize>> Implementation::impl$fd_seek(Configuration&, FD fd, FileDelta offset, Whence whence)
{
auto mapped_fd = map_fd(fd);
if (!mapped_fd.has<u32>())
return errno_value_from_errno(EBADF);
u32 fd_value = mapped_fd.get<u32>();
auto result = lseek(fd_value, offset, static_cast<int>(whence));
if (result < 0)
return errno_value_from_errno(errno);
return FileSize(result);
}
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
@ -830,7 +843,6 @@ ErrorOr<Result<Size>> Implementation::impl$fd_pread(Configuration&, FD, Pointer<
ErrorOr<Result<Size>> Implementation::impl$fd_pwrite(Configuration&, FD, Pointer<CIOVec> iovs, Size iovs_len, FileSize offset) { return Errno::NoSys; }
ErrorOr<Result<Size>> Implementation::impl$fd_readdir(Configuration&, FD, Pointer<u8> buf, Size buf_len, DirCookie cookie) { return Errno::NoSys; }
ErrorOr<Result<void>> Implementation::impl$fd_renumber(Configuration&, FD from, FD to) { return Errno::NoSys; }
ErrorOr<Result<FileSize>> Implementation::impl$fd_seek(Configuration&, FD, FileDelta offset, Whence whence) { return Errno::NoSys; }
ErrorOr<Result<void>> Implementation::impl$fd_sync(Configuration&, FD) { return Errno::NoSys; }
ErrorOr<Result<FileSize>> Implementation::impl$fd_tell(Configuration&, FD) { return Errno::NoSys; }
ErrorOr<Result<void>> Implementation::impl$path_filestat_set_times(Configuration&, FD, LookupFlags, Pointer<u8> path, Size path_len, Timestamp atim, Timestamp mtim, FSTFlags) { return Errno::NoSys; }