PciLib:

	For PciRead/WriteBuffer(): A fix to handle boundary cases when Size is 0;
	DevicePathLib:
	For FileDevicePath(): Change to use AppendDevicePath () in place of AppendDevicePathNode(). 
	PrintLib:
	For type %p, according to current MWG, it should ignore flag 0, +, space, l, & L
	Misc:
	Fix a bug in EBC interpreter for Ia32. 


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@796 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 14 insertions, 4 deletions

diff --git a/MdePkg/Library/BasePciCf8Lib/PciLib.c b/MdePkg/Library/BasePciCf8Lib/PciLib.c
index a3897bfaa4..9421d8b99d 100644
--- a/MdePkg/Library/BasePciCf8Lib/PciLib.c
+++ b/MdePkg/Library/BasePciCf8Lib/PciLib.c
@@ -1299,11 +1299,16 @@ PciCf8ReadBuffer (
 

   ASSERT_INVALID_PCI_ADDRESS (StartAddress, 0);

   ASSERT (((StartAddress & 0xFFF) + Size) <= 0x100);

-  ASSERT ((Buffer != NULL) || (Size == 0));

+

+  if (Size == 0) {

+    return 0;

+  }

+

+  ASSERT (Buffer != NULL);

 

   EndAddress = StartAddress + Size;

 

-  if ((StartAddress < EndAddress) && ((StartAddress & 1) != 0)) {

+  if ((StartAddress & 1) != 0) {

     //

     // Read a byte if StartAddress is byte aligned

     //

@@ -1386,11 +1391,16 @@ PciCf8WriteBuffer (
 

   ASSERT_INVALID_PCI_ADDRESS (StartAddress, 0);

   ASSERT (((StartAddress & 0xFFF) + Size) <= 0x100);

-  ASSERT ((Buffer != NULL) || (Size == 0));

+

+  if (Size == 0) {

+    return 0;

+  }

+

+  ASSERT (Buffer != 0);

 

   EndAddress = StartAddress + Size;

 

-  if ((StartAddress < EndAddress) && ((StartAddress & 1)!= 0)) {

+  if ((StartAddress & 1)!= 0) {

     //

     // Write a byte if StartAddress is byte aligned

     //