implement and use portable implementation of canonical file paths, see #909, this time against dev branch

This commit is contained in:
Dennis Luxen 2014-02-11 15:55:22 +01:00
parent ea30005762
commit 7580777e43
2 changed files with 50 additions and 4 deletions

View File

@ -35,8 +35,54 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#if BOOST_FILESYSTEM_VERSION < 3
#warning Boost Installation with Filesystem3 missing, activating workaround
#include <cstdio>
#endif
namespace boost {
namespace filesystem {
// adapted from: http://stackoverflow.com/questions/1746136/how-do-i-normalize-a-pathname-using-boostfilesystem
inline boost::filesystem::path portable_canonical(
const boost::filesystem::path & relative_path,
const boost::filesystem::path & current_path = boost::filesystem::current_path())
{
const boost::filesystem::path absolute_path = boost::filesystem::absolute(
relative_path,
current_path
);
boost::filesystem::path canonical_path;
for(
boost::filesystem::path::const_iterator path_iterator = absolute_path.begin();
path_iterator!=absolute_path.end();
++path_iterator
) {
if( ".." == path_iterator->string() ) {
// /a/b/.. is not necessarily /a if b is a symbolic link
if( boost::filesystem::is_symlink(canonical_path) ) {
canonical_path /= *path_iterator;
} else if( ".." == canonical_path.filename() ) {
// /a/b/../.. is not /a/b/.. under most circumstances
// We can end up with ..s in our result because of symbolic links
canonical_path /= *path_iterator;
} else {
// Otherwise it should be safe to resolve the parent
canonical_path = canonical_path.parent_path();
}
} else if( "." == path_iterator->string() ) {
// Ignore
} else {
// Just cat other path entries
canonical_path /= *path_iterator;
}
}
BOOST_ASSERT( canonical_path.is_absolute() );
BOOST_ASSERT( boost::filesystem::exists( canonical_path ) );
return canonical_path;
}
#if BOOST_FILESYSTEM_VERSION < 3
inline path temp_directory_path() {
char * buffer;
buffer = tmpnam (NULL);
@ -48,10 +94,9 @@ inline path unique_path(const path&) {
return temp_directory_path();
}
}
}
#endif
}
}
#ifndef BOOST_FILESYSTEM_VERSION
#define BOOST_FILESYSTEM_VERSION 3

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@ -130,7 +130,8 @@ int main( const int argc, const char * argv[] ) {
paths_iterator = server_paths.find("fileindex");
BOOST_ASSERT(server_paths.end() != paths_iterator);
BOOST_ASSERT(!paths_iterator->second.empty());
const std::string & file_index_file_name = paths_iterator->second.string();
const boost::filesystem::path index_file_path_absolute = boost::filesystem::portable_canonical(paths_iterator->second);
const std::string & file_index_file_name = index_file_path_absolute.string();
paths_iterator = server_paths.find("nodesdata");
BOOST_ASSERT(server_paths.end() != paths_iterator);
BOOST_ASSERT(!paths_iterator->second.empty());