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-rw-r--r--src/boost/tools/bcp/path_operations.cpp41
1 files changed, 41 insertions, 0 deletions
diff --git a/src/boost/tools/bcp/path_operations.cpp b/src/boost/tools/bcp/path_operations.cpp
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+++ b/src/boost/tools/bcp/path_operations.cpp
@@ -0,0 +1,41 @@
+/*
+ *
+ * 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;
+}