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polybar/include/utils/memory.hpp
2016-12-14 15:06:46 +01:00

32 lines
633 B
C++

#pragma once
#include <cstring>
#include "common.hpp"
POLYBAR_NS
namespace memory_util {
/**
* Create a shared pointer using malloc/free
*/
template <typename T, typename Deleter = decltype(free)>
inline auto make_malloc_ptr(size_t size = sizeof(T), Deleter deleter = free) {
shared_ptr<T> ptr{static_cast<T*>(malloc(size)), deleter};
memset(ptr.get(), 0, size);
return ptr;
}
/**
* Get the number of elements in T
*/
template <typename T>
inline auto countof(T& p) {
return sizeof(p) / sizeof(p[0]);
}
template <typename T>
using malloc_ptr_t = shared_ptr<T>;
}
POLYBAR_NS_END