1 files changed, 89 insertions, 0 deletions
diff --git a/tests/freealut/src/alutOutputStream.c b/tests/freealut/src/alutOutputStream.c
new file mode 100644
index 00000000..fc8eca03
--- /dev/null
+++ b/tests/freealut/src/alutOutputStream.c
@@ -0,0 +1,89 @@
+#include "alutInternal.h"
+#include <string.h>
+
+struct OutputStream_struct
+{
+  char *data;
+  char *current;
+  size_t maximumLength;
+};
+
+/****************************************************************************
+ * The functions below know the internal OutputStream representation.
+ ****************************************************************************/
+
+OutputStream *_alutOutputStreamConstruct(size_t maximumLength)
+{
+  OutputStream *stream = (OutputStream *) _alutMalloc(sizeof(OutputStream));
+
+  if (stream == NULL)
+  {
+    return NULL;
+  }
+  stream->data = _alutMalloc(maximumLength);
+  if (stream->data == NULL)
+  {
+    free(stream);
+    return NULL;
+  }
+  stream->current = stream->data;
+  stream->maximumLength = maximumLength;
+  return stream;
+}
+
+ALboolean _alutOutputStreamDestroy(OutputStream * stream)
+{
+  free(stream->data);
+  free(stream);
+  return AL_TRUE;
+}
+
+void *_alutOutputStreamGetData(OutputStream * stream)
+{
+  return stream->data;
+}
+
+size_t _alutOutputStreamGetLength(OutputStream * stream)
+{
+  return stream->current - stream->data;
+}
+
+static ALboolean streamWrite(OutputStream * stream, const void *ptr, size_t numBytesToWrite)
+{
+  size_t remainingLength = stream->maximumLength - _alutOutputStreamGetLength(stream);
+
+  if (remainingLength < numBytesToWrite)
+  {
+    /* this should never happen within our library */
+    _alutSetError(ALUT_ERROR_IO_ERROR);
+    return AL_FALSE;
+  }
+  memcpy(stream->current, ptr, numBytesToWrite);
+  stream->current += numBytesToWrite;
+  return AL_TRUE;
+}
+
+/****************************************************************************
+ * The utility functions below do not know the internal OutputStream
+ * representation.
+ ****************************************************************************/
+
+ALboolean _alutOutputStreamWriteInt16BE(OutputStream * stream, Int16BigEndian value)
+{
+  unsigned char buf[2];
+
+  buf[0] = (unsigned char)(value >> 8);
+  buf[1] = (unsigned char)value;
+  return streamWrite(stream, buf, 2);
+}
+
+ALboolean _alutOutputStreamWriteInt32BE(OutputStream * stream, Int32BigEndian value)
+{
+  unsigned char buf[4];
+
+  buf[0] = (unsigned char)(value >> 24);
+  buf[1] = (unsigned char)(value >> 16);
+  buf[2] = (unsigned char)(value >> 8);
+  buf[3] = (unsigned char)value;
+  return streamWrite(stream, buf, 4);
+}