init

bytebuf.v

@@ -0,0 +1,26 @@
+module runcmd
+
+import io
+
+// buffer creates simple bytes buffer that can be read through `io.Reader` interface.
+pub fn buffer(data []u8) ByteBuffer {
+	return ByteBuffer{
+		bytes: data
+	}
+}
+
+struct ByteBuffer {
+	bytes []u8
+mut:
+	pos int
+}
+
+// read reads `buf.len` bytes from internal bytes buffer and returns number of bytes read.
+pub fn (mut b ByteBuffer) read(mut buf []u8) !int {
+	if b.pos >= b.bytes.len {
+		return io.Eof{}
+	}
+	n := copy(mut buf, b.bytes[b.pos..])
+	b.pos += n
+	return n
+}