Changeset 7060 for trunk/src/kernel32/oslibdos.cpp

Timestamp:

Oct 15, 2001, 7:51:34 AM (24 years ago)

Author:

phaller

Message:

fix in bounce buffer handling

File:

• trunk/src/kernel32/oslibdos.cpp (modified) (2 diffs)

trunk/src/kernel32/oslibdos.cpp

@@ -1 @@
-/* $Id: oslibdos.cpp,v 1.78 2001-10-12 21:10:01 achimha Exp $ */
+/* $Id: oslibdos.cpp,v 1.79 2001-10-15 05:51:34 phaller Exp $ */
 /*
  * Wrappers for OS/2 Dos* API
@@ -2609 +2609 @@
     rc = DosAllocMem(&pTiledData, dwDataMaxLen, PAG_READ | PAG_WRITE);
     if (rc)
-      goto _exit_ioctl;
+        goto _exit_ioctl;
     
     flagTiledData = TRUE;
   }
+
+  // copy data from real buffers to
+  // bounce buffers if necessary
+  if (pTiledParm != pParm)
+    memcpy(pTiledParm, pParm, *pdwParmLen);
+  
+  if (pTiledData != pData)
+    memcpy(pTiledData, pData, *pdwDataLen);
+
 
   rc = DosDevIOCtl( (HFILE)hFile, dwCat, dwFunc,