ShellPkg/Edit: Handle memory allocation failure

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
This commit is contained in:
Ruiyu Ni 2016-07-12 18:13:41 +08:00
parent 20cfed165c
commit 3e9442a564
1 changed files with 21 additions and 22 deletions

View File

@ -1,7 +1,7 @@
/** @file
Implements filebuffer interface functions.
Copyright (c) 2005 - 2015, Intel Corporation. All rights reserved. <BR>
Copyright (c) 2005 - 2016, 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
@ -505,30 +505,29 @@ FileBufferPrintLine (
BufLen = (MainEditor.ScreenSize.Column + 1) * sizeof (CHAR16);
PrintLine = AllocatePool (BufLen);
ASSERT (PrintLine != NULL);
if (PrintLine != NULL) {
StrnCpyS (PrintLine, BufLen/sizeof(CHAR16), Buffer, MIN(Limit, MainEditor.ScreenSize.Column));
for (; Limit < MainEditor.ScreenSize.Column; Limit++) {
PrintLine[Limit] = L' ';
}
StrnCpyS (PrintLine, BufLen/sizeof(CHAR16), Buffer, MIN(Limit, MainEditor.ScreenSize.Column));
for (; Limit < MainEditor.ScreenSize.Column; Limit++) {
PrintLine[Limit] = L' ';
PrintLine[MainEditor.ScreenSize.Column] = CHAR_NULL;
PrintLine2 = AllocatePool (BufLen * 2);
if (PrintLine2 != NULL) {
ShellCopySearchAndReplace(PrintLine, PrintLine2, BufLen * 2, L"%", L"^%", FALSE, FALSE);
ShellPrintEx (
0,
(INT32)Row - 1,
L"%s",
PrintLine2
);
FreePool (PrintLine2);
}
FreePool (PrintLine);
}
PrintLine[MainEditor.ScreenSize.Column] = CHAR_NULL;
PrintLine2 = AllocatePool (BufLen * 2);
ASSERT (PrintLine2 != NULL);
ShellCopySearchAndReplace(PrintLine, PrintLine2, BufLen * 2, L"%", L"^%", FALSE, FALSE);
ShellPrintEx (
0,
(INT32)Row - 1,
L"%s",
PrintLine2
);
FreePool (PrintLine);
FreePool (PrintLine2);
return EFI_SUCCESS;
}