StringStorage.hh

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#ifndef STRINGSTORAGE_HH
#define STRINGSTORAGE_HH
 
#include <cstdlib>
#include <cstring>
#include <memory>
#include <string_view>
 
struct FreeStringStorage
{
        void operator()(char* p) { free(p); }
};
using StringStorage = std::unique_ptr<char, FreeStringStorage>;
 
 
inline StringStorage allocate_string_storage(size_t size)
{
        return StringStorage(static_cast<char*>(malloc(size)));
}
 
inline StringStorage allocate_c_string(std::string_view s)
{
        auto size = s.size();
        auto result = allocate_string_storage(size + 1);
        char* p = result.get();
        memcpy(p, s.data(), size);
        p[size] = '\0';
        return result;
}
 
#endif