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1 | /** @file\r |
2 | HII Library implementation that uses DXE protocols and services.\r |
3 | \r |
4 | Copyright (c) 2006, Intel Corporation<BR>\r |
5 | All rights reserved. This program and the accompanying materials \r |
6 | are licensed and made available under the terms and conditions of the BSD License \r |
7 | which accompanies this distribution. The full text of the license may be found at \r |
8 | http://opensource.org/licenses/bsd-license.php \r |
9 | \r |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r |
12 | \r |
13 | Module Name: HiiLib.c\r |
14 | \r |
15 | **/\r |
16 | \r |
17 | //\r |
18 | // Include common header file for this module.\r |
19 | //\r |
20 | #include "CommonHeader.h"\r |
21 | \r |
22 | /**\r |
23 | This function allocates pool for an EFI_HII_PACKAGES structure\r |
24 | with enough space for the variable argument list of package pointers.\r |
25 | The allocated structure is initialized using NumberOfPackages, Guid, \r |
26 | and the variable length argument list of package pointers.\r |
27 | \r |
28 | @param NumberOfPackages The number of HII packages to prepare.\r |
29 | @param Guid Package GUID.\r |
30 | \r |
31 | @return The allocated and initialized packages.\r |
32 | \r |
33 | **/\r |
34 | EFI_HII_PACKAGES *\r |
35 | EFIAPI\r |
36 | PreparePackages (\r |
37 | IN UINTN NumberOfPackages,\r |
38 | IN CONST EFI_GUID *Guid OPTIONAL,\r |
39 | ...\r |
40 | )\r |
41 | {\r |
42 | VA_LIST Args;\r |
43 | EFI_HII_PACKAGES *HiiPackages;\r |
44 | VOID **Package;\r |
45 | UINTN Index;\r |
46 | \r |
47 | ASSERT (NumberOfPackages > 0);\r |
48 | \r |
49 | HiiPackages = AllocateZeroPool (sizeof (EFI_HII_PACKAGES) + NumberOfPackages * sizeof (VOID *));\r |
50 | ASSERT (HiiPackages != NULL);\r |
51 | \r |
52 | HiiPackages->GuidId = (EFI_GUID *) Guid;\r |
53 | HiiPackages->NumberOfPackages = NumberOfPackages;\r |
54 | Package = (VOID **) (((UINT8 *) HiiPackages) + sizeof (EFI_HII_PACKAGES));\r |
55 | \r |
56 | VA_START (Args, Guid);\r |
57 | \r |
58 | for (Index = 0; Index < NumberOfPackages; Index++) {\r |
59 | *Package = VA_ARG (Args, VOID *);\r |
60 | Package++;\r |
61 | }\r |
62 | \r |
63 | VA_END (Args);\r |
64 | \r |
65 | return HiiPackages;\r |
66 | \r |
67 | }\r |