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Update to new io interface

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This commit is contained in:
gingerBill
2023-06-08 16:35:24 +01:00
parent 4c17e2e97e
commit 3f6775e29b
49 changed files with 504 additions and 852 deletions
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core/os/stream.odin
+38 -52
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@@ -4,66 +4,52 @@ import "core:io"
stream_from_handle :: proc(fd: Handle) -> io.Stream {
s: io.Stream
s.stream_data = rawptr(uintptr(fd))
s.stream_vtable = &_file_stream_vtable
s.data = rawptr(uintptr(fd))
s.procedure = _file_stream_proc
return s
}
@(private)
_file_stream_vtable := io.Stream_VTable{
impl_read = proc(s: io.Stream, p: []byte) -> (n: int, err: io.Error) {
fd := Handle(uintptr(s.stream_data))
os_err: Errno
n, os_err = read(fd, p)
return
},
impl_read_at = proc(s: io.Stream, p: []byte, offset: i64) -> (n: int, err: io.Error) {
when ODIN_OS == .Windows || ODIN_OS == .WASI {
fd := Handle(uintptr(s.stream_data))
os_err: Errno
n, os_err = read_at(fd, p, offset)
}
return
},
impl_write = proc(s: io.Stream, p: []byte) -> (n: int, err: io.Error) {
fd := Handle(uintptr(s.stream_data))
os_err: Errno
n, os_err = write(fd, p)
return
},
impl_write_at = proc(s: io.Stream, p: []byte, offset: i64) -> (n: int, err: io.Error) {
when ODIN_OS == .Windows || ODIN_OS == .WASI {
fd := Handle(uintptr(s.stream_data))
os_err: Errno
n, os_err = write_at(fd, p, offset)
_ = os_err
}
return
},
impl_seek = proc(s: io.Stream, offset: i64, whence: io.Seek_From) -> (i64, io.Error) {
fd := Handle(uintptr(s.stream_data))
n, os_err := seek(fd, offset, int(whence))
_ = os_err
return n, nil
},
impl_size = proc(s: io.Stream) -> i64 {
fd := Handle(uintptr(s.stream_data))
sz, _ := file_size(fd)
return sz
},
impl_flush = proc(s: io.Stream) -> io.Error {
_file_stream_proc :: proc(stream_data: rawptr, mode: io.Stream_Mode, p: []byte, offset: i64, whence: io.Seek_From) -> (n: i64, err: io.Error) {
fd := Handle(uintptr(stream_data))
n_int: int
os_err: Errno
switch mode {
case .Close:
close(fd)
case .Flush:
when ODIN_OS == .Windows {
fd := Handle(uintptr(s.stream_data))
flush(fd)
} else {
// TOOD(bill): other operating systems
}
return nil
},
impl_close = proc(s: io.Stream) -> io.Error {
fd := Handle(uintptr(s.stream_data))
close(fd)
return nil
},
case .Read:
n_int, os_err = read(fd, p)
n = i64(n_int)
if os_err != 0 {
err = .Unknown
}
case .Read_At:
n_int, os_err = read_at(fd, p, offset)
n = i64(n_int)
case .Write:
n_int, os_err = write(fd, p)
n = i64(n_int)
case .Write_At:
n_int, os_err = write_at(fd, p, offset)
n = i64(n_int)
case .Seek:
n, os_err = seek(fd, offset, int(whence))
case .Size:
n, os_err = file_size(fd)
case .Destroy:
err = .Empty
case .Query:
return io.query_utility({.Close, .Flush, .Read, .Read_At, .Write, .Write_At, .Seek, .Size, .Query})
}
if err == nil && os_err != 0 {
err = .Unknown
}
return
}