Function fstatat_wasi [src]

WASI-only. Same as fstatat but targeting WASI. pathname should be encoded as valid UTF-8. See also fstatat.

Prototype

 pub fn fstatat_wasi(dirfd: posix.fd_t, pathname: []const u8, flags: wasi.lookupflags_t) posix.FStatAtError!wasi.filestat_t

Parameters

dirfd: posix.fd_tpathname: []const u8flags: wasi.lookupflags_t

Source

  pub fn fstatat_wasi(dirfd: posix.fd_t, pathname: []const u8, flags: wasi.lookupflags_t) posix.FStatAtError!wasi.filestat_t {
    var stat: wasi.filestat_t = undefined;
    switch (wasi.path_filestat_get(dirfd, flags, pathname.ptr, pathname.len, &stat)) {
        .SUCCESS => return stat,
        .INVAL => unreachable,
        .BADF => unreachable, // Always a race condition.
        .NOMEM => return error.SystemResources,
        .ACCES => return error.AccessDenied,
        .FAULT => unreachable,
        .NAMETOOLONG => return error.NameTooLong,
        .NOENT => return error.FileNotFound,
        .NOTDIR => return error.FileNotFound,
        .NOTCAPABLE => return error.AccessDenied,
        .ILSEQ => return error.InvalidUtf8,
        else => |err| return posix.unexpectedErrno(err),
    }
}  