nstool/lib/fnd/memory_blob.cpp
2017-07-03 01:18:59 +10:00

59 lines
726 B
C++

#include "memory_blob.h"
using namespace fnd;
MemoryBlob::MemoryBlob() :
data_(),
size_(0),
apparent_size_(0)
{
}
MemoryBlob::~MemoryBlob()
{
}
int MemoryBlob::alloc(size_t size)
{
int ret = ERR_NONE;
if (size > size_)
{
ret = AllocateMemory(size);
}
else
{
apparent_size_ = size;
ClearMemory();
}
return ret;
}
int MemoryBlob::extend(size_t new_size)
{
try {
data_.resize(new_size);
}
catch (...) {
return ERR_FAILMALLOC;
}
return ERR_NONE;
return 0;
}
int MemoryBlob::AllocateMemory(size_t size)
{
size_ = (size_t)align(size, 0x1000);
apparent_size_ = size;
data_.resize(size_);
ClearMemory();
return ERR_NONE;
}
void MemoryBlob::ClearMemory()
{
memset(data_.data(), 0, size_);
}