- char * msg = try_malloc(size, f_name);
- sprintf(msg, "%s%s%s%s%s", p1, parent, p2, child, p3);
+ char * msg = try_malloc(size, __func__);
+ int test = sprintf(msg, "%s%s%s%s%s", p1, parent, p2, child, p3);
+ exit_err(test < 0, "Trouble in exit_trouble with sprintf.");