From a7224eefeb3b7e51b82ecfd174553b91d6c2340e Mon Sep 17 00:00:00 2001
From: jcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Wed, 11 Jan 2012 18:45:23 +0000
Subject: [PATCH] ShellPkg: Check for Abort flag in main 'for' loop of ls
 command and propagate the condition when found.

Also prevents printing of an error output when user selects abort.

signed-off-by: jcarsey
reviewed-by:

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12925 6f19259b-4bc3-4df7-8a09-765794883524
---
 ShellPkg/Library/UefiShellLevel2CommandsLib/Ls.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/ShellPkg/Library/UefiShellLevel2CommandsLib/Ls.c b/ShellPkg/Library/UefiShellLevel2CommandsLib/Ls.c
index a93b54c429..3799341425 100644
--- a/ShellPkg/Library/UefiShellLevel2CommandsLib/Ls.c
+++ b/ShellPkg/Library/UefiShellLevel2CommandsLib/Ls.c
@@ -1,7 +1,7 @@
 /** @file
   Main file for ls shell level 2 function.
 
-  Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2009 - 2012, 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
   which accompanies this distribution.  The full text of the license may be found at
@@ -354,9 +354,14 @@ PrintLsOutput(
       ShellStatus = SHELL_OUT_OF_RESOURCES;
     } else {
       for ( Node = (EFI_SHELL_FILE_INFO *)GetFirstNode(&ListHead->Link)
-          ; !IsNull(&ListHead->Link, &Node->Link)
+          ; !IsNull(&ListHead->Link, &Node->Link) && ShellStatus == SHELL_SUCCESS
           ; Node = (EFI_SHELL_FILE_INFO *)GetNextNode(&ListHead->Link, &Node->Link)
          ){
+        if (ShellGetExecutionBreakFlag ()) {
+          ShellStatus = SHELL_ABORTED;
+          break;
+        }
+
         //
         // recurse on any directory except the traversing ones...
         //
@@ -366,7 +371,7 @@ PrintLsOutput(
          ){
           StrCpy(DirectoryName, Node->FullName);
           StrCat(DirectoryName, L"\\*");
-          PrintLsOutput(
+          ShellStatus = PrintLsOutput(
             Rec,
             Attribs,
             Sfo,
@@ -558,6 +563,10 @@ ShellCommandRunLs (
             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_FILES), gShellLevel2HiiHandle);
           } else if (ShellStatus == SHELL_INVALID_PARAMETER) {
             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel2HiiHandle);
+          } else if (ShellStatus == SHELL_ABORTED) {
+            //
+            // Ignore aborting.
+            //
           } else if (ShellStatus != SHELL_SUCCESS) {
             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel2HiiHandle);
           }