Initial community commit

Src/id3v2/id3_field_binary.cpp

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+// The authors have released ID3Lib as Public Domain (PD) and claim no copyright,
+// patent or other intellectual property protection in this work. This means that
+// it may be modified, redistributed and used in commercial and non-commercial
+// software and hardware without restrictions. ID3Lib is distributed on an "AS IS"
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
+// 
+// The ID3Lib authors encourage improvements and optimisations to be sent to the
+// ID3Lib coordinator, currently Dirk Mahoney (dirk@id3.org). Approved
+// submissions may be altered, and will be included and released under these terms.
+// 
+// Mon Nov 23 18:34:01 1998
+// improved/optimized/whatever 10/30/00 JF
+
+#include <windows.h>
+#include <stdio.h>
+#include <memory.h>
+#include "id3_field.h"
+
+void ID3_Field::Set(uchar *newData, luint newSize)
+{
+	Clear();
+
+	if (newSize)
+	{
+		if (newSize == 4294967295/*-1*/)
+		{
+			ID3_THROW(ID3E_NoMemory);
+			return;
+		}
+
+		if (!(data = (unsigned char *)calloc(newSize, sizeof(unsigned char))))
+		{
+			ID3_THROW(ID3E_NoMemory);
+		}
+		else
+		{
+			memcpy (data, newData, newSize);
+			size = newSize;
+
+			type = ID3FTY_BINARY;
+			hasChanged = true;
+		}
+	}
+
+	return;
+}
+
+void ID3_Field::Get(uchar *buffer, luint buffLength)
+{
+	if (data && size && buffLength && buffer)
+	{
+		luint actualBytes = MIN(buffLength, size);
+		memcpy(buffer, data, actualBytes);
+	}
+}
+
+luint ID3_Field::ParseBinary (uchar *buffer, luint posn, luint buffSize)
+{
+	luint bytesUsed = 0;
+
+	bytesUsed = buffSize - posn;
+
+	if (fixedLength != -1)
+		bytesUsed = MIN (fixedLength, bytesUsed);
+
+	Set(&buffer[ posn ], bytesUsed);
+
+	hasChanged = false;
+
+	return bytesUsed;
+}
+
+luint ID3_Field::RenderBinary (uchar *buffer)
+{
+	luint bytesUsed = 0;
+
+	bytesUsed = BinSize();
+	memcpy(buffer, data, bytesUsed);
+
+	hasChanged = false;
+
+	return bytesUsed;
+}