Function path_key

src/engine/pathnt.cpp:231–289

static path_key_entry * path_key( OBJECT * const path,
    int const known_to_be_canonic )
{
    path_key_entry * result;
    int found;

    if ( !path_key_cache )
        path_key_cache = hashinit( sizeof( path_key_entry ), "path to key" );

    result = (path_key_entry *)hash_insert( path_key_cache, path, &found );
    if ( !found )
    {
        OBJECT * normalized;
        int32_t normalized_size;
        path_key_entry * nresult;
        result->path = path;
        {
            string buf[ 1 ];
            string_copy( buf, object_str( path ) );
            normalize_path( buf );
            normalized = object_new( buf->value );
            normalized_size = buf->size;
            string_free( buf );
        }
        nresult = (path_key_entry *)hash_insert( path_key_cache, normalized,
            &found );
        if ( !found || nresult == result )
        {
            nresult->path = normalized;
            if ( known_to_be_canonic )
            {
                nresult->key = object_copy( path );
                nresult->exists = 1;
            }
            else
            {
                string canonic_path[ 1 ];
                string_new( canonic_path );
                if ( canonicWindowsPath( object_str( normalized ), normalized_size,
                        canonic_path ) )
                    nresult->exists = 1;
                else
                    nresult->exists = 0;
                nresult->key = object_new( canonic_path->value );
                string_free( canonic_path );
            }
        }
        else
            object_free( normalized );
        if ( nresult != result )
        {
            result->path = object_copy( path );
            result->key = object_copy( nresult->key );
            result->exists = nresult->exists;
        }
    }

    return result;