fix initialization of pointer.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11498 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 3 insertions, 2 deletions

diff --git a/ShellPkg/Application/Shell/ShellParametersProtocol.c b/ShellPkg/Application/Shell/ShellParametersProtocol.c
index 5fce9e5440..76935333d6 100644
--- a/ShellPkg/Application/Shell/ShellParametersProtocol.c
+++ b/ShellPkg/Application/Shell/ShellParametersProtocol.c
@@ -528,7 +528,7 @@ UpdateStdInStdOutStdErr(
   ErrAppend       = FALSE;

   OutAppend       = FALSE;

   CommandLineCopy = NULL;

-  FirstLocation   = (CHAR16*)(-1);

+  FirstLocation   = NULL;

 

   if (ShellParameters == NULL || SystemTableInfo == NULL || OldStdIn == NULL || OldStdOut == NULL || OldStdErr == NULL) {

     return (EFI_INVALID_PARAMETER);

@@ -551,6 +551,7 @@ UpdateStdInStdOutStdErr(
   CommandLineCopy = StrnCatGrow(&CommandLineCopy, NULL, NewCommandLine, 0);

   Status          = EFI_SUCCESS;

   Split           = NULL;

+  FirstLocation   = CommandLineCopy + StrLen(CommandLineCopy);

 

   StripQuotes(CommandLineCopy);

 

@@ -810,7 +811,7 @@ UpdateStdInStdOutStdErr(
     }

   }

 

-  if (FirstLocation != (CHAR16*)(-1) 

+  if (FirstLocation != CommandLineCopy + StrLen(CommandLineCopy)

     && ((UINTN)(FirstLocation - CommandLineCopy) < StrLen(NewCommandLine))

     ){

     *(NewCommandLine + (UINTN)(FirstLocation - CommandLineCopy)) = CHAR_NULL;