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BaseTools/VfrCompile/Pccts: Add virtual destructor for class DLGInputStream

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Class DLGInputStream defined in DLexerBase.h has a virtual method but no
virtual destructor.

This commit add an empty virtual destructor to avoid potential
memory/resource leak when an object of a class derived from class
DLGInputStream is deleted through a pointer to the DLGInputStream class.

Cc: Liming Gao <liming.gao@intel.com>
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Dandan Bi <dandan.bi@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
This commit is contained in:
Hao Wu
2016-10-10 20:40:38 +08:00
parent aeadb1c453
commit d556383627
1 changed files with 1 additions and 0 deletions
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BaseTools/Source/C/VfrCompile/Pccts/h/DLexerBase.h
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@@ -57,6 +57,7 @@ public:
class DllExportPCCTS DLGInputStream { class DllExportPCCTS DLGInputStream {
public: public:
virtual int nextChar() = 0; virtual int nextChar() = 0;
virtual ~DLGInputStream() {};
}; };
/* Predefined char stream: Input from FILE */ /* Predefined char stream: Input from FILE */