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Go to a File based approach over Handle based

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This commit is contained in:
gingerBill
2022-05-05 16:15:03 +01:00
parent e61aad925b
commit 18bde22b26
12 changed files with 185 additions and 167 deletions
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core/os/os2/file_stream.odin
+22 -22
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@@ -2,8 +2,8 @@ package os2
import "core:io"
file_to_stream :: proc(fd: Handle) -> (s: io.Stream) {
s.stream_data = rawptr(uintptr(fd))
file_to_stream :: proc(f: ^File) -> (s: io.Stream) {
s.stream_data = f
s.stream_vtable = _file_stream_vtable
return
}
@@ -20,66 +20,66 @@ error_to_io_error :: proc(ferr: Error) -> io.Error {
@(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))
f := (^File)(s.stream_data)
ferr: Error
n, ferr = read(fd, p)
n, ferr = read(f, p)
err = error_to_io_error(ferr)
return
},
impl_read_at = proc(s: io.Stream, p: []byte, offset: i64) -> (n: int, err: io.Error) {
fd := Handle(uintptr(s.stream_data))
f := (^File)(s.stream_data)
ferr: Error
n, ferr = read_at(fd, p, offset)
n, ferr = read_at(f, p, offset)
err = error_to_io_error(ferr)
return
},
impl_write_to = proc(s: io.Stream, w: io.Writer) -> (n: i64, err: io.Error) {
fd := Handle(uintptr(s.stream_data))
f := (^File)(s.stream_data)
ferr: Error
n, ferr = write_to(fd, w)
n, ferr = write_to(f, w)
err = error_to_io_error(ferr)
return
},
impl_write = proc(s: io.Stream, p: []byte) -> (n: int, err: io.Error) {
fd := Handle(uintptr(s.stream_data))
f := (^File)(s.stream_data)
ferr: Error
n, ferr = write(fd, p)
n, ferr = write(f, p)
err = error_to_io_error(ferr)
return
},
impl_write_at = proc(s: io.Stream, p: []byte, offset: i64) -> (n: int, err: io.Error) {
fd := Handle(uintptr(s.stream_data))
f := (^File)(s.stream_data)
ferr: Error
n, ferr = write_at(fd, p, offset)
n, ferr = write_at(f, p, offset)
err = error_to_io_error(ferr)
return
},
impl_read_from = proc(s: io.Stream, r: io.Reader) -> (n: i64, err: io.Error) {
fd := Handle(uintptr(s.stream_data))
f := (^File)(s.stream_data)
ferr: Error
n, ferr = read_from(fd, r)
n, ferr = read_from(f, r)
err = error_to_io_error(ferr)
return
},
impl_seek = proc(s: io.Stream, offset: i64, whence: io.Seek_From) -> (i64, io.Error) {
fd := Handle(uintptr(s.stream_data))
n, ferr := seek(fd, offset, Seek_From(whence))
f := (^File)(s.stream_data)
n, ferr := seek(f, offset, Seek_From(whence))
err := error_to_io_error(ferr)
return n, err
},
impl_size = proc(s: io.Stream) -> i64 {
fd := Handle(uintptr(s.stream_data))
sz, _ := file_size(fd)
f := (^File)(s.stream_data)
sz, _ := file_size(f)
return sz
},
impl_flush = proc(s: io.Stream) -> io.Error {
fd := Handle(uintptr(s.stream_data))
ferr := flush(fd)
f := (^File)(s.stream_data)
ferr := flush(f)
return error_to_io_error(ferr)
},
impl_close = proc(s: io.Stream) -> io.Error {
fd := Handle(uintptr(s.stream_data))
ferr := close(fd)
f := (^File)(s.stream_data)
ferr := close(f)
return error_to_io_error(ferr)
},
}