2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
6 * $Log: odr_choice.c,v $
7 * Revision 1.5 1995-03-18 12:16:31 quinn
10 * Revision 1.4 1995/03/14 16:59:38 quinn
11 * Added odr_constructed_more check
13 * Revision 1.3 1995/03/08 12:12:22 quinn
14 * Added better error checking.
16 * Revision 1.2 1995/02/09 15:51:48 quinn
19 * Revision 1.1 1995/02/07 17:52:59 quinn
20 * A damn mess, but now things work, I think.
26 int odr_choice(ODR o, Odr_arm arm[], void *p, void *whichp)
28 int i, cl = -1, tg, cn, *which = whichp;
32 if (o->direction != ODR_DECODE && !*(char**)p)
34 for (i = 0; arm[i].fun; i++)
36 if (o->direction == ODR_DECODE)
37 *which = arm[i].which;
38 else if (*which != arm[i].which)
41 if (arm[i].tagmode != ODR_NONE)
43 if (o->direction == ODR_DECODE && cl < 0)
45 if (o->stackp > -1 && !odr_constructed_more(o))
47 if (ber_dectag(o->bp, &cl, &tg, &cn) <= 0)
50 else if (o->direction != ODR_DECODE)
55 if (tg == arm[i].tag && cl == arm[i].class)
57 if (arm[i].tagmode == ODR_IMPLICIT)
59 odr_implicit_settag(o, cl, tg);
60 return (*arm[i].fun)(o, p, 0);
63 if (!odr_constructed_begin(o, p, cl, tg))
65 return (*arm[i].fun)(o, p, 0) &&
66 odr_constructed_end(o);
69 else /* no tagging. Have to poll type */
70 if ((*arm[i].fun)(o, p, 0))