diff options
Diffstat (limited to 'ShellPkg')
| -rw-r--r-- | ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c b/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c index 2984da9699..b3939ea4d6 100644 --- a/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c +++ b/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c @@ -1,7 +1,7 @@ /** @file
Provides interface to shell internal functions for shell commands.
- (C) Copyright 2013-2014, Hewlett-Packard Development Company, L.P.
+ Copyright (c) 2013-2014, Hewlett-Packard Development Company, L.P.<BR>
Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
@@ -777,6 +777,9 @@ ShellCommandRegisterAlias ( )
{
ALIAS_LIST *Node;
+ ALIAS_LIST *CommandAlias;
+ ALIAS_LIST *PrevCommandAlias;
+ INTN LexicalMatchValue;
//
// Asserts for NULL
@@ -800,10 +803,37 @@ ShellCommandRegisterAlias ( StrCpy(Node->CommandString, Command);
StrCpy(Node->Alias , Alias );
+ InsertHeadList (&mAliasList.Link, &Node->Link);
+
//
- // add the new struct to the list
+ // Move a new pre-defined registered alias to its sorted ordered location in the list
//
- InsertTailList (&mAliasList.Link, &Node->Link);
+ for ( CommandAlias = (ALIAS_LIST *)GetFirstNode (&mAliasList.Link),
+ PrevCommandAlias = (ALIAS_LIST *)GetFirstNode (&mAliasList.Link)
+ ; !IsNull (&mAliasList.Link, &CommandAlias->Link)
+ ; CommandAlias = (ALIAS_LIST *) GetNextNode (&mAliasList.Link, &CommandAlias->Link) ) {
+ //
+ // Get Lexical comparison value between PrevCommandAlias and CommandAlias List Entry
+ //
+ LexicalMatchValue = gUnicodeCollation->StriColl (
+ gUnicodeCollation,
+ PrevCommandAlias->Alias,
+ CommandAlias->Alias
+ );
+
+ //
+ // Swap PrevCommandAlias and CommandAlias list entry if PrevCommandAlias list entry
+ // is alphabetically greater than CommandAlias list entry
+ //
+ if (LexicalMatchValue > 0) {
+ CommandAlias = (ALIAS_LIST *) SwapListEntries (&PrevCommandAlias->Link, &CommandAlias->Link);
+ } else if (LexicalMatchValue < 0) {
+ //
+ // PrevCommandAlias entry is lexically lower than CommandAlias entry
+ //
+ break;
+ }
+ }
return (RETURN_SUCCESS);
}
|