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1436aea4d5
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the MdeModulePkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
108 lines
3.4 KiB
C
108 lines
3.4 KiB
C
/** @file
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This library retrieves pointers to the UEFI HII Protocol instances in the
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library's constructor. All of the UEFI HII related protocols are optional,
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so the consumers of this library class must verify that the global variable
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pointers are not NULL before use.
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <Uefi.h>
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#include <Library/UefiHiiServicesLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/DebugLib.h>
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#include <Protocol/HiiFont.h>
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#include <Protocol/HiiString.h>
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#include <Protocol/HiiImage.h>
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#include <Protocol/HiiDatabase.h>
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#include <Protocol/HiiConfigRouting.h>
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///
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/// Pointer to the UEFI HII Font Protocol
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///
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EFI_HII_FONT_PROTOCOL *gHiiFont = NULL;
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///
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/// Pointer to the UEFI HII String Protocol
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///
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EFI_HII_STRING_PROTOCOL *gHiiString = NULL;
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///
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/// Pointer to the UEFI HII Image Protocol
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///
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EFI_HII_IMAGE_PROTOCOL *gHiiImage = NULL;
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///
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/// Pointer to the UEFI HII Database Protocol
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///
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EFI_HII_DATABASE_PROTOCOL *gHiiDatabase = NULL;
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///
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/// Pointer to the UEFI HII Config Rounting Protocol
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///
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EFI_HII_CONFIG_ROUTING_PROTOCOL *gHiiConfigRouting = NULL;
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/**
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The constructor function retrieves pointers to the UEFI HII protocol instances
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The constructor function retrieves pointers to the four UEFI HII protocols from the
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handle database. These include the UEFI HII Font Protocol, the UEFI HII String
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Protocol, the UEFI HII Image Protocol, the UEFI HII Database Protocol, and the
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UEFI HII Config Routing Protocol. This function always return EFI_SUCCESS.
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All of these protocols are optional if the platform does not support configuration
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and the UEFI HII Image Protocol and the UEFI HII Font Protocol are optional if
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the platform does not support a graphical console. As a result, the consumers
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of this library much check the protocol pointers againt NULL before using them,
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or use dependency expressions to guarantee that some of them are present before
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assuming they are not NULL.
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@param ImageHandle The firmware allocated handle for the EFI image.
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@param SystemTable A pointer to the EFI System Table.
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@retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
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**/
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EFI_STATUS
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EFIAPI
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UefiHiiServicesLibConstructor (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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//
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// Retrieve the pointer to the UEFI HII String Protocol
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//
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Status = gBS->LocateProtocol (&gEfiHiiStringProtocolGuid, NULL, (VOID **)&gHiiString);
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ASSERT_EFI_ERROR (Status);
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//
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// Retrieve the pointer to the UEFI HII Database Protocol
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//
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Status = gBS->LocateProtocol (&gEfiHiiDatabaseProtocolGuid, NULL, (VOID **)&gHiiDatabase);
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ASSERT_EFI_ERROR (Status);
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//
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// Retrieve the pointer to the UEFI HII Config Routing Protocol
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//
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Status = gBS->LocateProtocol (&gEfiHiiConfigRoutingProtocolGuid, NULL, (VOID **)&gHiiConfigRouting);
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ASSERT_EFI_ERROR (Status);
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//
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// Retrieve the pointer to the optional UEFI HII Font Protocol
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//
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gBS->LocateProtocol (&gEfiHiiFontProtocolGuid, NULL, (VOID **)&gHiiFont);
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//
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// Retrieve the pointer to the optional UEFI HII Image Protocol
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//
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gBS->LocateProtocol (&gEfiHiiImageProtocolGuid, NULL, (VOID **)&gHiiImage);
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return EFI_SUCCESS;
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}
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