audk/MdePkg/Library/BaseMemoryLib
Ard Biesheuvel 12a37b2ae1 MdePkg/BaseMemoryLib*: check for zero length in ZeroMem ()
Unlike other string functions in this library, ZeroMem () does not
return early when the length of the input buffer is 0. So add the
same to ZeroMem () as well, for all implementations of BaseMemoryLib
living under MdePkg/

This fixes an issue with the ARM implementation of BaseMemoryLibOPtDxe,
whose InternalMemZeroMem code does not expect a length of 0, and always
writes at least a single byte.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
2016-11-04 09:53:01 +00:00
..
BaseMemoryLib.inf MdePkg/BaseMemoryLib: widen aligned accesses to 32 or 64 bits 2016-09-13 16:28:15 +01:00
BaseMemoryLib.uni MdePkg: Convert all .uni files to utf-8 2015-12-15 04:53:50 +00:00
CompareMemWrapper.c
CopyMem.c MdePkg/BaseMemoryLib: widen aligned accesses to 32 or 64 bits 2016-09-13 16:28:15 +01:00
CopyMemWrapper.c
IsZeroBufferWrapper.c MdePkg BaseMemoryLib: Add C implementation of API IsZeroBuffer() 2016-08-22 18:54:30 +08:00
MemLibGeneric.c MdePkg BaseMemoryLib: Add C implementation of API IsZeroBuffer() 2016-08-22 18:54:30 +08:00
MemLibGuid.c MdePkg BaseMemoryLib: Add implementation of API IsZeroGuid() 2016-08-22 18:54:29 +08:00
MemLibInternals.h MdePkg BaseMemoryLib: Add C implementation of API IsZeroBuffer() 2016-08-22 18:54:30 +08:00
ScanMem8Wrapper.c
ScanMem16Wrapper.c
ScanMem32Wrapper.c
ScanMem64Wrapper.c
SetMem.c MdePkg/BaseMemoryLib: widen aligned accesses to 32 or 64 bits 2016-09-13 16:28:15 +01:00
SetMem16Wrapper.c
SetMem32Wrapper.c
SetMem64Wrapper.c
SetMemWrapper.c
ZeroMemWrapper.c MdePkg/BaseMemoryLib*: check for zero length in ZeroMem () 2016-11-04 09:53:01 +00:00