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