search_path.hpp 1.2 KB

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  1. // Copyright (c) 2006, 2007 Julio M. Merino Vidal
  2. // Copyright (c) 2008 Ilya Sokolov, Boris Schaeling
  3. // Copyright (c) 2009 Boris Schaeling
  4. // Copyright (c) 2010 Felipe Tanus, Boris Schaeling
  5. // Copyright (c) 2011, 2012 Jeff Flinn, Boris Schaeling
  6. //
  7. // Distributed under the Boost Software License, Version 1.0. (See accompanying
  8. // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  9. #ifndef BOOST_PROCESS_POSIX_SEARCH_PATH_HPP
  10. #define BOOST_PROCESS_POSIX_SEARCH_PATH_HPP
  11. #include <boost/process/detail/config.hpp>
  12. #include <boost/filesystem.hpp>
  13. #include <boost/tokenizer.hpp>
  14. #include <string>
  15. #include <stdexcept>
  16. #include <stdlib.h>
  17. #include <unistd.h>
  18. namespace boost { namespace process { namespace detail { namespace posix {
  19. inline boost::filesystem::path search_path(
  20. const boost::filesystem::path &filename,
  21. const std::vector<boost::filesystem::path> &path)
  22. {
  23. for (const boost::filesystem::path & pp : path)
  24. {
  25. auto p = pp / filename;
  26. boost::system::error_code ec;
  27. bool file = boost::filesystem::is_regular_file(p, ec);
  28. if (!ec && file && ::access(p.c_str(), X_OK) == 0)
  29. return p;
  30. }
  31. return "";
  32. }
  33. }}}}
  34. #endif