--- /dev/null
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+#include <string.h>
+#include "serial.h"
+
+int serial_init(serializer_t *srl, void *buffer, int size)
+{
+ srl->buffer = srl->cursor = buffer;
+ srl->bufsize = size;
+}
+
+int serial_switch(serializer_t *srl, void *buffer, int size)
+{
+ int used = srl->cursor - srl->buffer;
+
+ memcpy(buffer, srl->buffer, used);
+ srl->buffer = buffer;
+ srl->bufsize = size;
+ srl->cursor = buffer + used;
+}
+
+int serial_put(serializer_t *srl, void *item, int size)
+{
+ int left = srl->bufsize - (srl->cursor - srl->buffer);
+ if (left < size + sizeof(short)) return left - sizeof(short);
+ *((short *)srl->cursor) = size;
+ srl->cursor += 2;
+ if (size) memcpy(srl->cursor, item, size);
+ srl->cursor += size;
+ return size;
+}
+
+int serial_get(serializer_t *srl, void *item, int bufsize)
+{
+ short isize = *((short *)srl->cursor);
+ if (isize > bufsize || isize == 0) return isize;
+ srl->cursor += sizeof(short);
+ memcpy(item, srl->cursor, isize);
+ srl->cursor += isize;
+ return isize;
+}
+
+int serial_size(serializer_t *srl)
+{
+ return srl->cursor - srl->buffer;
+}