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authorwolfbeast <mcwerewolf@wolfbeast.com>2019-04-05 20:01:10 +0200
committerwolfbeast <mcwerewolf@wolfbeast.com>2019-04-05 20:01:10 +0200
commitc3b63b831cd2c64700e875b28540212c7c881ac6 (patch)
treeedd98fcbd2004d3b562904f822bf6c3322fc7f52 /other-licenses/7zstub/src/CPP/Common/MyBuffer2.h
parentd432e068a21c815d5d5e7bcbc1cc8c6e77a7d1e0 (diff)
parentcc07da9cb4d6e7a53f8d953427ffc2bca2e0c2df (diff)
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Merge branch 'master' into 816
Diffstat (limited to 'other-licenses/7zstub/src/CPP/Common/MyBuffer2.h')
-rw-r--r--other-licenses/7zstub/src/CPP/Common/MyBuffer2.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/Common/MyBuffer2.h b/other-licenses/7zstub/src/CPP/Common/MyBuffer2.h
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+++ b/other-licenses/7zstub/src/CPP/Common/MyBuffer2.h
@@ -0,0 +1,45 @@
+// Common/MyBuffer2.h
+
+#ifndef __COMMON_MY_BUFFER2_H
+#define __COMMON_MY_BUFFER2_H
+
+#include "../../C/Alloc.h"
+
+#include "Defs.h"
+
+class CMidBuffer
+{
+ Byte *_data;
+ size_t _size;
+
+ CLASS_NO_COPY(CMidBuffer)
+
+public:
+ CMidBuffer(): _data(NULL), _size(0) {};
+ ~CMidBuffer() { ::MidFree(_data); }
+
+ void Free() { ::MidFree(_data); _data = NULL; _size = 0; }
+
+ bool IsAllocated() const { return _data != NULL; }
+ operator Byte *() { return _data; }
+ operator const Byte *() const { return _data; }
+ size_t Size() const { return _size; }
+
+ void AllocAtLeast(size_t size)
+ {
+ if (!_data || size > _size)
+ {
+ const size_t kMinSize = (size_t)1 << 16;
+ if (size < kMinSize)
+ size = kMinSize;
+ ::MidFree(_data);
+ _size = 0;
+ _data = 0;
+ _data = (Byte *)::MidAlloc(size);
+ if (_data)
+ _size = size;
+ }
+ }
+};
+
+#endif