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Add read_at/write_at to missing platforms

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This commit is contained in:
gingerBill
2024-08-04 13:16:37 +01:00
parent c32f345c68
commit 7663a2036a
6 changed files with 99 additions and 19 deletions
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core/os/stream.odin
+10 -18
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@@ -32,12 +32,10 @@ _file_stream_proc :: proc(stream_data: rawptr, mode: io.Stream_Mode, p: []byte,
}
case .Read_At:
when !(ODIN_OS == .FreeBSD || ODIN_OS == .OpenBSD || ODIN_OS == .NetBSD || ODIN_OS == .Haiku) {
n_int, os_err = read_at(fd, p, offset)
n = i64(n_int)
if n == 0 && os_err == nil {
err = .EOF
}
n_int, os_err = read_at(fd, p, offset)
n = i64(n_int)
if n == 0 && os_err == nil {
err = .EOF
}
case .Write:
n_int, os_err = write(fd, p)
@@ -46,12 +44,10 @@ _file_stream_proc :: proc(stream_data: rawptr, mode: io.Stream_Mode, p: []byte,
err = .EOF
}
case .Write_At:
when !(ODIN_OS == .FreeBSD || ODIN_OS == .OpenBSD || ODIN_OS == .NetBSD || ODIN_OS == .Haiku) {
n_int, os_err = write_at(fd, p, offset)
n = i64(n_int)
if n == 0 && os_err == nil {
err = .EOF
}
n_int, os_err = write_at(fd, p, offset)
n = i64(n_int)
if n == 0 && os_err == nil {
err = .EOF
}
case .Seek:
n, os_err = seek(fd, offset, int(whence))
@@ -60,11 +56,7 @@ _file_stream_proc :: proc(stream_data: rawptr, mode: io.Stream_Mode, p: []byte,
case .Destroy:
err = .Empty
case .Query:
when ODIN_OS == .FreeBSD || ODIN_OS == .OpenBSD || ODIN_OS == .NetBSD || ODIN_OS == .Haiku {
return io.query_utility({.Close, .Flush, .Read, .Write, .Seek, .Size, .Query})
} else {
return io.query_utility({.Close, .Flush, .Read, .Read_At, .Write, .Write_At, .Seek, .Size, .Query})
}
return io.query_utility({.Close, .Flush, .Read, .Read_At, .Write, .Write_At, .Seek, .Size, .Query})
}
if err == nil && os_err != nil {
@@ -73,7 +65,7 @@ _file_stream_proc :: proc(stream_data: rawptr, mode: io.Stream_Mode, p: []byte,
return n, .EOF
}
}
err = .Unknown
err = error_to_io_error(os_err)
}
return
}