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improved temporary memory class

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git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@8094 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
csoler 2015-03-28 18:07:01 +00:00
parent e58c9de067
commit d8b276b7e2
3 changed files with 78 additions and 67 deletions
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24
libretroshare/src/util/rsmemory.h
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@ -8,22 +8,28 @@
// Usage:
//
// {
// unsigned char *mem = NULL ;
// TemporaryMemoryHolder mem_holder(mem,size) ;
// TemporaryMemoryHolder mem(size) ;
//
// if(mem != NULL)
// [ do something ] ;
//
// memcopy(mem, some_other_memory, size) ;
//
// [do something]
//
// } // mem gets freed automatically
//
class TemporaryMemoryHolder
class RsTemporaryMemory
{
public:
TemporaryMemoryHolder(unsigned char *& mem,size_t s)
: _mem(mem)
RsTemporaryMemory(size_t s)
{
_mem = (unsigned char *)malloc(s) ;
}
~TemporaryMemoryHolder()
operator unsigned char *() { return _mem ; }
~RsTemporaryMemory()
{
if(_mem != NULL)
{
@ -33,7 +39,11 @@ class TemporaryMemoryHolder
}
private:
unsigned char *& _mem ;
unsigned char *_mem ;
// make it noncopyable
RsTemporaryMemory& operator=(const RsTemporaryMemory&) { return *this ;}
RsTemporaryMemory(const RsTemporaryMemory&) {}
};