add CHD support.

1 files changed, 51 insertions, 0 deletions

diff --git a/deps/lzma-16.04/C/7zBuf2.c b/deps/lzma-16.04/C/7zBuf2.c
new file mode 100644
index 0000000..8e3fe92
--- /dev/null
+++ b/deps/lzma-16.04/C/7zBuf2.c
@@ -0,0 +1,51 @@
+/* 7zBuf2.c -- Byte Buffer

+2014-08-22 : Igor Pavlov : Public domain */

+

+#include "Precomp.h"

+

+#include <string.h>

+

+#include "7zBuf.h"

+

+void DynBuf_Construct(CDynBuf *p)

+{

+  p->data = 0;

+  p->size = 0;

+  p->pos = 0;

+}

+

+void DynBuf_SeekToBeg(CDynBuf *p)

+{

+  p->pos = 0;

+}

+

+int DynBuf_Write(CDynBuf *p, const Byte *buf, size_t size, ISzAlloc *alloc)

+{

+  if (size > p->size - p->pos)

+  {

+    size_t newSize = p->pos + size;

+    Byte *data;

+    newSize += newSize / 4;

+    data = (Byte *)alloc->Alloc(alloc, newSize);

+    if (data == 0)

+      return 0;

+    p->size = newSize;

+    memcpy(data, p->data, p->pos);

+    alloc->Free(alloc, p->data);

+    p->data = data;

+  }

+  if (size != 0)

+  {

+    memcpy(p->data + p->pos, buf, size);

+    p->pos += size;

+  }

+  return 1;

+}

+

+void DynBuf_Free(CDynBuf *p, ISzAlloc *alloc)

+{

+  alloc->Free(alloc, p->data);

+  p->data = 0;

+  p->size = 0;

+  p->pos = 0;

+}