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#pragma once
#include "ptr.h"
#include "special_members.h"
#include <cstddef>
#include <cstdio>
#include <sys/types.h>
namespace filesystem {
class [[nodiscard]] memmap final {
public:
memmap(size_t length, int prot, int flags, int fd, off_t offset);
~memmap();
NO_MOVE(memmap);
NO_COPY(memmap);
template<typename T>
T *
get()
{
return static_cast<T *>(addr);
}
void msync(int flags) const;
private:
void * addr;
size_t length;
};
class [[nodiscard]] fh final {
public:
fh(const char * path, int flags, mode_t mode);
~fh();
NO_MOVE(fh);
NO_COPY(fh);
void truncate(size_t size);
memmap mmap(size_t length, size_t offset, int prot, int flags);
private:
int h;
};
FILE * checked_fopen(const char * pathname, const char * mode);
using FileStar = wrapped_ptrt<FILE, &checked_fopen, &fclose>;
}
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