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#include "boost-utils.h"
#include <stdio.h>
#include <iostream>
fs::path relativePath(const fs::path &path, const fs::path &relative_to)
{
// create absolute paths
fs::path p = fs::absolute(path);
fs::path r = fs::absolute(relative_to);
// if root paths are different, return absolute path
if (p.root_path() != r.root_path())
return p;
// initialize relative path
fs::path result;
// find out where the two paths diverge
fs::path::const_iterator itr_path = p.begin();
fs::path::const_iterator itr_relative_to = r.begin();
while (*itr_path == *itr_relative_to && itr_path != p.end() && itr_relative_to != r.end()) {
++itr_path;
++itr_relative_to;
}
// add "../" for each remaining token in relative_to
if (itr_relative_to != r.end()) {
++itr_relative_to;
while (itr_relative_to != r.end()) {
result /= "..";
++itr_relative_to;
}
}
// add remaining path
while (itr_path != p.end()) {
result /= *itr_path;
++itr_path;
}
return result;
}
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