Play-/Source/iop/Iop_PathUtils.cpp

#include <cstring>
#include "Iop_PathUtils.h"

fs::path Iop::PathUtils::MakeHostPath(const fs::path& baseHostPath, const char* guestPath)
{
	if(strlen(guestPath) == 0)
	{
		//If we're not adding anything, just return whatever we had
		//We don't want to introduce a trailing slash since it will
		//break other stuff
		return baseHostPath;
	}
	auto result = baseHostPath;
	result.concat("/");
	result.concat(guestPath);
	return result;
}

bool Iop::PathUtils::IsInsideBasePath(const fs::path& basePath, const fs::path& targetPath)
{
	auto canonicalBasePath = fs::weakly_canonical(basePath);
	auto canonicalTargetPath = fs::weakly_canonical(targetPath);
	//If we find the full base path inside the target path, we're in
	return canonicalTargetPath.native().find(canonicalBasePath.native()) == 0;
}