genode/os/src/server/ram_fs/symlink.h

44 lines
808 B
C++

/*
* \brief Symlink file-system node
* \author Norman Feske
* \date 2012-04-11
*/
#ifndef _SYMLINK_H_
#define _SYMLINK_H_
/* local includes */
#include <node.h>
namespace File_system {
class Symlink : public Node
{
private:
char _link_to[MAX_PATH_LEN];
public:
Symlink(char const *name) { Node::name(name); }
size_t read(char *dst, size_t len, seek_off_t seek_offset)
{
size_t count = min(len, sizeof(_link_to) + 1);
Genode::strncpy(dst, _link_to, count);
return count;
}
size_t write(char const *src, size_t len, seek_off_t seek_offset)
{
size_t count = min(len, sizeof(_link_to) + 1);
Genode::strncpy(_link_to, src, count);
return count;
}
file_size_t length() const { return strlen(_link_to) + 1; }
};
}
#endif /* _SYMLINK_H_ */