WiiUPluginLoaderBackend/source/utils/membuf.hpp

23 lines
732 B
C++

#pragma once
#include <iostream>
struct membuf : std::streambuf {
membuf(char *begin, char *end) {
this->setg(begin, begin, end);
}
pos_type seekoff(off_type off, std::ios_base::seekdir dir, std::ios_base::openmode which = std::ios_base::in) override {
if (dir == std::ios_base::cur)
gbump(off);
else if (dir == std::ios_base::end)
setg(eback(), egptr() + off, egptr());
else if (dir == std::ios_base::beg)
setg(eback(), eback() + off, egptr());
return gptr() - eback();
}
pos_type seekpos(pos_type sp, std::ios_base::openmode which) override {
return seekoff(sp - pos_type(off_type(0)), std::ios_base::beg, which);
}
};