ShellPkg: Refine the code logic of StrnCatGrow.

In order to indicate the catena length use StrnCatS instead of StrCatS to generate Destination string, and update the DestMax of Destination string.

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

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17795 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Qiu Shumin 2015-07-02 01:12:03 +00:00 committed by shenshushi
parent 3735017c6e
commit c587fd3edd
1 changed files with 3 additions and 2 deletions

View File

@ -3254,7 +3254,8 @@ StrnCatGrow (
*CurrentSize = NewSize;
}
} else {
*Destination = AllocateZeroPool((Count+1)*sizeof(CHAR16));
NewSize = (Count+1)*sizeof(CHAR16);
*Destination = AllocateZeroPool(NewSize);
}
//
@ -3264,7 +3265,7 @@ StrnCatGrow (
return (NULL);
}
StrCatS(*Destination, Count + 1, Source);
StrnCatS(*Destination, NewSize/sizeof(CHAR16), Source, Count);
return *Destination;
}