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drawfcall: ReadSnarf to return bytes read if buffer length was not big enough #145

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drawfcall: ReadSnarf to return bytes read if buffer length was not big enough #145

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7 changes: 2 additions & 5 deletions draw/drawfcall/mux.go
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// +build !plan9
//go:build !plan9

package drawfcall

Expand Down Expand Up @@ -250,10 +250,7 @@ func (c *Conn) ReadSnarf(b []byte) (int, int, error) {
return 0, 0, err
}
n := copy(b, rx.Snarf)
if n < len(rx.Snarf) {
return 0, len(rx.Snarf), nil
}
return n, n, nil
return n, len(rx.Snarf), nil
}

func (c *Conn) WriteSnarf(snarf []byte) error {
Expand Down