Merge pull request #2251 from vibe-d/memory_stream_size_change

Support MemoryStream size changes
vibe-d · Feb 2, 2019 · ee4921e · ee4921e
2 parents 39367c9 + e4685e1
commit ee4921e
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/stream/vibe/stream/memory.d b/stream/vibe/stream/memory.d
@@ -134,7 +134,13 @@ final class MemoryStream : RandomAccessStream {
 	@property bool readable() const nothrow { return true; }
 	@property bool writable() const nothrow { return m_writable; }
 
-	void seek(ulong offset) { assert(offset <= m_size); m_ptr = cast(size_t)offset; }
+	void truncate(ulong size)
+	{
+		enforce(size < m_data.length, "Size limit of memory stream reached.");
+		m_size = cast(size_t)size;
+	}
+
+	void seek(ulong offset) { assert(offset <= m_data.length); m_ptr = cast(size_t)offset; }
 	ulong tell() nothrow { return m_ptr; }
 	const(ubyte)[] peek() { return m_data[m_ptr .. min(m_size, m_ptr+m_peekWindow)]; }