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/** @file
HII Library implementation that uses DXE protocols and services.
Copyright (c) 2006, Intel Corporation<BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name: HiiLib.c
**/
/**
This function allocates pool for an EFI_HII_PACKAGES structure
with enough space for the variable argument list of package pointers.
The allocated structure is initialized using NumberOfPackages, Guid,
and the variable length argument list of package pointers.
@param NumberOfPackages The number of HII packages to prepare.
@param Guid Package GUID.
@return The allocated and initialized packages.
**/
EFI_HII_PACKAGES *
EFIAPI
PreparePackages (
IN UINTN NumberOfPackages,
IN CONST EFI_GUID *Guid OPTIONAL,
...
)
{
VA_LIST Args;
EFI_HII_PACKAGES *HiiPackages;
VOID **Package;
UINTN Index;
ASSERT (NumberOfPackages > 0);
HiiPackages = AllocateZeroPool (sizeof (EFI_HII_PACKAGES) + NumberOfPackages * sizeof (VOID *));
ASSERT (HiiPackages != NULL);
HiiPackages->GuidId = (EFI_GUID *) Guid;
HiiPackages->NumberOfPackages = NumberOfPackages;
Package = (VOID **) (((UINT8 *) HiiPackages) + sizeof (EFI_HII_PACKAGES));
VA_START (Args, Guid);
for (Index = 0; Index < NumberOfPackages; Index++) {
*Package = VA_ARG (Args, VOID *);
Package++;
}
VA_END (Args);
return HiiPackages;
}
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