selfcare init

proxy_go/public/go-oi@v1.0.0/longwritebyte.go

@@ -0,0 +1,28 @@
+package oi
+
+
+import (
+	"io"
+)
+
+
+// LongWriteByte trys to write the byte from 'b' to the writer 'w', such that it deals
+// with "short writes" where w.Write would return an error of io.ErrShortWrite and
+// n < 1.
+//
+// Note that LongWriteByte still could return the error io.ErrShortWrite; but this
+// would only be after trying to handle the io.ErrShortWrite a number of times, and
+// then eventually giving up.
+func LongWriteByte(w io.Writer, b byte) error {
+	var buffer [1]byte
+	p := buffer[:]
+
+	buffer[0] = b
+
+	numWritten, err := LongWrite(w, p)
+	if 1 != numWritten {
+		return io.ErrShortWrite
+	}
+
+	return err
+}