Function path_build

src/engine/pathsys.cpp:168–223

 */

void path_build( PATHNAME * f, string * file )
{
    int check_f;
    int check_f_pos;

    file_build1( f, file );

    /* Do not prepend root if it is '.' or the directory is rooted. */
    check_f = (f->f_root.len
               && !( f->f_root.len == 1 && f->f_root.ptr[ 0 ] == '.')
               && !( f->f_dir.len && f->f_dir.ptr[ 0 ] == '/' ));
#if PATH_DELIM == '\\'
    check_f = (check_f
               && !( f->f_dir.len && f->f_dir.ptr[ 0 ] == '\\' )
               && !( f->f_dir.len && f->f_dir.ptr[ 1 ] == ':' ));
#endif
    if (check_f)
    {
        string_append_range( file, f->f_root.ptr, f->f_root.ptr + f->f_root.len
            );
        /* If 'root' already ends with a path delimiter, do not add another one.
         */
        if ( !is_path_delim( f->f_root.ptr[ f->f_root.len - 1 ] ) )
            string_push_back( file, as_path_delim( f->f_root.ptr[ f->f_root.len
                ] ) );
    }

    if ( f->f_dir.len )
        string_append_range( file, f->f_dir.ptr, f->f_dir.ptr + f->f_dir.len );

    /* Put path separator between dir and file. */
    /* Special case for root dir: do not add another path separator. */
    check_f_pos = (f->f_dir.len && ( f->f_base.len || f->f_suffix.len ));
#if PATH_DELIM == '\\'
    check_f_pos = (check_f_pos && !( f->f_dir.len == 3 && f->f_dir.ptr[ 1 ] == ':' ));
#endif
    check_f_pos = (check_f_pos && !( f->f_dir.len == 1 && is_path_delim( f->f_dir.ptr[ 0 ])));
    if (check_f_pos)
        string_push_back( file, as_path_delim( f->f_dir.ptr[ f->f_dir.len ] ) );

    if ( f->f_base.len )
        string_append_range( file, f->f_base.ptr, f->f_base.ptr + f->f_base.len
            );

    if ( f->f_suffix.len )
        string_append_range( file, f->f_suffix.ptr, f->f_suffix.ptr +
            f->f_suffix.len );

    if ( f->f_member.len )
    {
        string_push_back( file, '(' );
        string_append_range( file, f->f_member.ptr, f->f_member.ptr +
            f->f_member.len );
        string_push_back( file, ')' );
    }
}