1 files changed, 96 insertions, 0 deletions
diff --git a/comm/mailnews/db/mork/morkBlob.cpp b/comm/mailnews/db/mork/morkBlob.cpp
new file mode 100644
index 0000000000..d0fdf104ff
--- /dev/null
+++ b/comm/mailnews/db/mork/morkBlob.cpp
@@ -0,0 +1,96 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-  */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef _MDB_
+#  include "mdb.h"
+#endif
+
+#ifndef _MORK_
+#  include "mork.h"
+#endif
+
+#ifndef _MORKBLOB_
+#  include "morkBlob.h"
+#endif
+
+#ifndef _MORKENV_
+#  include "morkEnv.h"
+#endif
+
+// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+/*static*/ void morkBuf::NilBufBodyError(morkEnv* ev) {
+  ev->NewError("nil mBuf_Body");
+}
+
+// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+/*static*/ void morkBlob::BlobFillOverSizeError(morkEnv* ev) {
+  ev->NewError("mBuf_Fill > mBlob_Size");
+}
+
+// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+mork_bool morkBlob::GrowBlob(morkEnv* ev, nsIMdbHeap* ioHeap,
+                             mork_size inNewSize) {
+  if (ioHeap) {
+    if (!mBuf_Body)  // no body? implies zero sized?
+      mBlob_Size = 0;
+
+    if (mBuf_Fill > mBlob_Size)  // fill more than size?
+    {
+      ev->NewWarning("mBuf_Fill > mBlob_Size");
+      mBuf_Fill = mBlob_Size;
+    }
+
+    if (inNewSize > mBlob_Size)  // need to allocate larger blob?
+    {
+      mork_u1* body = 0;
+      ioHeap->Alloc(ev->AsMdbEnv(), inNewSize, (void**)&body);
+      if (body && ev->Good()) {
+        void* oldBody = mBuf_Body;
+        if (mBlob_Size)  // any old content to transfer?
+          MORK_MEMCPY(body, oldBody, mBlob_Size);
+
+        mBlob_Size = inNewSize;  // install new size
+        mBuf_Body = body;        // install new body
+
+        if (oldBody)  // need to free old buffer body?
+          ioHeap->Free(ev->AsMdbEnv(), oldBody);
+      }
+    }
+  } else
+    ev->NilPointerError();
+
+  if (ev->Good() && mBlob_Size < inNewSize)
+    ev->NewError("mBlob_Size < inNewSize");
+
+  return ev->Good();
+}
+
+// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+morkCoil::morkCoil(morkEnv* ev, nsIMdbHeap* ioHeap) {
+  mBuf_Body = 0;
+  mBuf_Fill = 0;
+  mBlob_Size = 0;
+  mText_Form = 0;
+  mCoil_Heap = ioHeap;
+  if (!ioHeap) ev->NilPointerError();
+}
+
+void morkCoil::CloseCoil(morkEnv* ev) {
+  void* body = mBuf_Body;
+  nsIMdbHeap* heap = mCoil_Heap;
+
+  mBuf_Body = 0;
+  mCoil_Heap = 0;
+
+  if (body && heap) {
+    heap->Free(ev->AsMdbEnv(), body);
+  }
+}
+
+// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789