Added LibPatchPcdSetPtr.

[mirror_edk2.git] / MdePkg / Include / Library / PcdLib.h

diff --git a/MdePkg/Include/Library/PcdLib.h b/MdePkg/Include/Library/PcdLib.h
index fe8a1e6939c7749c835a9d1420dde842fef0548e..37d435596e0327be2d09a4810f7aa810f21ca7f1 100644 (file)
--- a/MdePkg/Include/Library/PcdLib.h
+++ b/MdePkg/Include/Library/PcdLib.h
@@ -725,17 +725,45 @@ LibPcdGetNextToken (
 \r
 \r
   \r
-  @param[in]  Pointer to a 128-bit unique value that designates from which namespace \r
+  @param[in]  Guid Pointer to a 128-bit unique value that designates from which namespace \r
               to start the search.\r
 \r
   @retval CONST GUID *  The next valid token namespace.\r
 \r
 **/\r
-\r
 GUID *           \r
 EFIAPI\r
 LibPcdGetNextTokenSpace (\r
   IN CONST GUID  *Guid\r
   );\r
 \r
+\r
+/**\r
+  Sets the PCD entry specified by PatchVariable to the value specified by Buffer \r
+  and SizeOfValue.  Buffer is returned.  If SizeOfValue is greater than \r
+  MaximumDatumSize, then set SizeOfValue to MaximumDatumSize and return \r
+  NULL to indicate that the set operation was not actually performed.  \r
+  If SizeOfValue is set to MAX_ADDRESS, then SizeOfValue must be set to \r
+  MaximumDatumSize and NULL must be returned.\r
+  \r
+  If PatchVariable is NULL, then ASSERT().\r
+  If SizeOfValue is NULL, then ASSERT().\r
+  If SizeOfValue > 0 and Buffer is NULL, then ASSERT().\r
+\r
+  @param[in] PatchVariable      A pointer to the global variable in a module that is \r
+                                the target of the set operation.\r
+  @param[in] MaximumDatumSize   The maximum size allowed for the PCD entry specified by PatchVariable.\r
+  @param[in, out] SizeOfBuffer  A pointer to the size, in bytes, of Buffer.\r
+  @param[in] Buffer             A pointer to the buffer to used to set the target variable.\r
+\r
+**/\r
+VOID *\r
+EFIAPI\r
+LibPatchPcdSetPtr (\r
+  IN        VOID        *PatchVariable,\r
+  IN        UINTN       MaximumDatumSize,\r
+  IN OUT    UINTN       *SizeOfBuffer,\r
+  IN CONST  VOID        *Buffer\r
+  );\r
+\r
 #endif\r