char *options_update = (char *) mymalloc (len + 1);
- options_update = strncat (options_update, options, len - 1 - 15);
- options_update = strncat (options_update, " -cl-opt-disable", 1 + 15);
+ snprintf (options_update, len, "%s -cl-opt-disable", options);
if (data.quiet == 0) log_error ("\n=== Build failed, retry with optimization disabled ===\n");