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Diffstat (limited to 'src/boost/tools/bcp/path_operations.cpp')
-rw-r--r-- | src/boost/tools/bcp/path_operations.cpp | 41 |
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 new file mode 100644 index 000000000..aebbc4e6f --- /dev/null +++ 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; +} |