73ef4ff3
 Hu Chunming
提交三方库
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/*
*
* Copyright (c) 2003 Dr John Maddock
* Use, modification and distribution is subject to the
* Boost Software License, Version 1.0. (See accompanying file
* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*
* This file implements path comparisons
*/
#include "bcp_imp.hpp"
#include <cctype>
#ifdef BOOST_NO_STDC_NAMESPACE
namespace std{
using ::tolower;
}
#endif
int compare_paths(const fs::path& a, const fs::path& b)
{
const std::string& as = a.generic_string();
const std::string& bs = b.generic_string();
std::string::const_iterator i, j, k, l;
i = as.begin();
j = as.end();
k = bs.begin();
l = bs.end();
while(i != j)
{
if(k == l)
return -1;
int r = std::tolower(*i) - std::tolower(*k);
if(r) return r;
++i;
++k;
}
return (k == l) ? 0 : 1;
}
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