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ShellPkg: Refine code to use Strn**S safe functions instead of Str**S ones in some cases.

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Safe string functions may ASSERT when the source length is larger than the MaxDest. This patch use Strn**S to indicate the copy length. 

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Qiu Shumin <shumin.qiu@intel.com>
Reviewed-by: Tapan Shah <<tapandshah@hp.com>>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17894 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Qiu Shumin
2015-07-09 03:19:06 +00:00
committed by shenshushi
parent 3b87e3881e
commit 4dc0d578b8
5 changed files with 44 additions and 39 deletions
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2
ShellPkg/Library/UefiShellDebug1CommandsLib/DmpStore.c
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@ -406,7 +406,7 @@ CascadeProcessVariables (
FoundVarName = AllocateZeroPool (NameSize);
if (FoundVarName != NULL) {
if (PrevName != NULL) {
StrCpyS(FoundVarName, NameSize/sizeof(CHAR16), PrevName);
StrnCpyS(FoundVarName, NameSize/sizeof(CHAR16), PrevName, NameSize/sizeof(CHAR16) - 1);
}
Status = gRT->GetNextVariableName (&NameSize, FoundVarName, &FoundVarGuid);