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Diffstat (limited to 'Src/id3v2/id3_field_binary.cpp')
-rw-r--r--Src/id3v2/id3_field_binary.cpp83
1 files changed, 83 insertions, 0 deletions
diff --git a/Src/id3v2/id3_field_binary.cpp b/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;
+} \ No newline at end of file