Merge branch 'master' into Sync-weave

1 files changed, 52 insertions, 0 deletions

diff --git a/other-licenses/7zstub/src/C/7zBuf2.c b/other-licenses/7zstub/src/C/7zBuf2.c
new file mode 100644
index 000000000..49b4343b6
--- /dev/null
+++ b/other-licenses/7zstub/src/C/7zBuf2.c
@@ -0,0 +1,52 @@
+/* 7zBuf2.c -- Byte Buffer

+2017-04-03 : 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, ISzAllocPtr alloc)

+{

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

+  {

+    size_t newSize = p->pos + size;

+    Byte *data;

+    newSize += newSize / 4;

+    data = (Byte *)ISzAlloc_Alloc(alloc, newSize);

+    if (!data)

+      return 0;

+    p->size = newSize;

+    if (p->pos != 0)

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

+    ISzAlloc_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, ISzAllocPtr alloc)

+{

+  ISzAlloc_Free(alloc, p->data);

+  p->data = 0;

+  p->size = 0;

+  p->pos = 0;

+}