dist/libiberty/regex.c

1172   printf ("can_be_null: %d\t", bufp->can_be_null);
4534    We set the `fastmap', `fastmap_accurate', and `can_be_null' fields in
4604   bufp->can_be_null = 0;
4613 	      bufp->can_be_null |= path_can_be_null;
4635            `can_be_null' stops `re_search_2' from using the fastmap, so
4638 	  bufp->can_be_null = 1;
4667           bufp->can_be_null = 1;
4714 	    /* Return if we have already set `can_be_null'; if we have,
4716 	    else if (bufp->can_be_null)
4817             bufp->can_be_null = 1;
4868   /* Set `can_be_null' for the last path (also the first path, if the
4870   bufp->can_be_null |= path_can_be_null;
5174       if (fastmap && startpos < total_size && !bufp->can_be_null)
5213           && !bufp->can_be_null)