Function gmt_default_error

src/gmt_init.c:9105–9188

}

int gmt_default_error (struct GMT_CTRL *GMT, char option) {
	/* gmt_default_error ignores all the common options that have already been processed and returns
	 * true if the option is not an already processed common option.
	 */

	int error = 0;

	switch (option) {

		case '-': break;	/* Skip indiscriminately */
		case '=': break;	/* Skip indiscriminately */
		case '>': break;	/* Skip indiscriminately since dealt with internally */
		case 'B': error += (GMT->common.B.active[GMT_PRIMARY] == false && GMT->common.B.active[GMT_SECONDARY] == false); break;
		case 'J': error += GMT->common.J.active == false; break;
		case 'K': error += GMT->common.K.active == false; break;
		case 'O': error += GMT->common.O.active == false; break;
		case 'P': error += GMT->common.P.active == false; break;
		case 'R': error += GMT->common.R.active[RSET] == false; break;
		case 'U': error += GMT->common.U.active == false; break;
		case 'V': error += GMT->common.V.active == false; break;
		case 'X': error += GMT->common.X.active == false; break;
		case 'Y': error += GMT->common.Y.active == false; break;
		case 'a': error += GMT->common.a.active == false; break;
		case 'b': error += ((GMT->common.b.active[GMT_IN] == false && GMT->common.b.nc[GMT_IN] == false) \
			&& (GMT->common.b.active[GMT_OUT] == false && GMT->common.b.nc[GMT_OUT] == false)); break;
		case 'd': error += (GMT->common.d.active[GMT_IN] == false && GMT->common.d.active[GMT_OUT] == false); break;
		case 'e': error += GMT->common.e.active == false; break;
		case 'f': error += (GMT->common.f.active[GMT_IN] == false &&  GMT->common.f.active[GMT_OUT] == false); break;
		case 'g': error += GMT->common.g.active == false; break;
		case 'H':
			if (gmt_M_compat_check (GMT, 4)) {
				error += GMT->common.h.active == false;
			}
			else
				error++;
			break;
		case 'h': error += GMT->common.h.active == false; break;
		case 'i': error += GMT->common.i.active == false; break;
		case 'j': error += GMT->common.j.active == false; break;
		case 'l': error += GMT->common.l.active == false; break;
		case 'n': error += GMT->common.n.active == false; break;
		case 'o': error += GMT->common.o.active == false; break;
		case 'Z':
			if (!gmt_M_compat_check (GMT, 4)) error++;
			break;
		case 'E':
			if (gmt_M_compat_check (GMT, 4))
				error += GMT->common.p.active == false;
			else
				error++;
			break;
		case 'p': error += GMT->common.p.active == false; break;
		case 'q': error += (GMT->common.q.active[GMT_IN] == false && GMT->common.q.active[GMT_OUT] == false); break;
		case 'm': if (!gmt_M_compat_check (GMT, 4)) error++; break;
		case 'S': if (!gmt_M_compat_check (GMT, 4)) error++; break;
		case 'F': if (!gmt_M_compat_check (GMT, 4)) error++; break;
		case 'r': error += GMT->common.R.active[GSET] == false; break;
		case 's': error += GMT->common.s.active == false; break;