2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
6 * $Log: odr_choice.c,v $
7 * Revision 1.1 1995-02-07 17:52:59 quinn
8 * A damn mess, but now things work, I think.
14 int odr_choice(ODR o, Odr_arm arm[], void *p, int *which)
16 int i, cl = -1, tg, cn;
18 if (o->direction != ODR_DECODE && !*(char*)p)
20 for (i = 0; arm[i].fun; i++)
22 if (o->direction == ODR_DECODE)
23 *which = arm[i].which;
24 else if (*which != arm[i].which)
27 if (arm[i].tagmode != ODR_NONE)
29 if (o->direction == ODR_DECODE && cl < 0)
31 if (ber_dectag(o->bp, &cl, &tg, &cn) <= 0)
34 else if (o->direction != ODR_DECODE)
39 if (tg == arm[i].tag && cl == arm[i].class)
41 if (arm[i].tagmode == ODR_IMPLICIT)
43 odr_implicit_settag(o, cl, tg);
44 return (*arm[i].fun)(o, p, 0);
47 if (!odr_constructed_begin(o, p, cl, tg))
49 return (*arm[i].fun)(o, p, 0) &&
50 odr_constructed_end(o);
53 else /* no tagging. Have to poll type */
54 if ((*arm[i].fun)(o, p, 0))