2 * Copyright (c) 1995, Index Data
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.11 1995-05-16 08:50:53 quinn
8 * License, documentation, and memory fixes
10 * Revision 1.10 1995/04/18 08:15:21 quinn
11 * Added dynamic memory allocation on encoding (whew). Code is now somewhat
12 * neater. We'll make the same change for decoding one day.
14 * Revision 1.9 1995/03/28 09:15:49 quinn
15 * Fixed bug in the printing mode
17 * Revision 1.8 1995/03/15 11:18:04 quinn
18 * Fixed serious bug in odr_cons
20 * Revision 1.7 1995/03/10 11:44:41 quinn
21 * Fixed serious stack-bug in odr_cons_begin
23 * Revision 1.6 1995/03/08 12:12:23 quinn
24 * Added better error checking.
26 * Revision 1.5 1995/02/10 18:57:25 quinn
27 * More in the way of error-checking.
29 * Revision 1.4 1995/02/10 15:55:29 quinn
32 * Revision 1.3 1995/02/09 15:51:48 quinn
35 * Revision 1.2 1995/02/07 17:52:59 quinn
36 * A damn mess, but now things work, I think.
38 * Revision 1.1 1995/02/02 16:21:53 quinn
45 int odr_constructed_begin(ODR o, void *p, int class, int tag)
57 if ((res = ber_tag(o, p, o->t_class, o->t_tag, &cons, 1)) < 0)
62 if (o->stackp == ODR_MAX_STACK - 1)
67 o->stack[++(o->stackp)].lenb = o->bp;
68 o->stack[o->stackp].len_offset = odr_tell(o);
70 fprintf(stderr, "[cons_begin(%d)]", o->stackp);
72 if (o->direction == ODR_ENCODE || o->direction == ODR_PRINT)
74 o->stack[o->stackp].lenlen = 1;
75 if (odr_putc(o, 0) < 0) /* dummy */
78 else if (o->direction == ODR_DECODE)
80 if ((res = ber_declen(o->bp, &o->stack[o->stackp].len)) < 0)
82 o->stack[o->stackp].lenlen = res;
88 o->stack[o->stackp].base = o->bp;
89 o->stack[o->stackp].base_offset = odr_tell(o);
93 int odr_constructed_more(ODR o)
99 if (o->stack[o->stackp].len >= 0)
100 return o->bp - o->stack[o->stackp].base < o->stack[o->stackp].len;
102 return (!(*o->bp == 0 && *(o->bp + 1) == 0));
105 int odr_constructed_end(ODR o)
117 switch (o->direction)
120 if (o->stack[o->stackp].len < 0)
122 if (*o->bp++ == 0 && *(o->bp++) == 0)
134 else if (o->bp - o->stack[o->stackp].base !=
135 o->stack[o->stackp].len)
144 odr_seek(o, ODR_S_SET, o->stack[o->stackp].len_offset);
145 if ((res = ber_enclen(o, pos - o->stack[o->stackp].base_offset,
146 o->stack[o->stackp].lenlen, 1)) < 0)
148 odr_seek(o, ODR_S_END, 0);
149 if (res == 0) /* indefinite encoding */
152 fprintf(stderr, "[cons_end(%d): indefinite]", o->stackp);
154 if (odr_putc(o, 0) < 0 || odr_putc(o, 0) < 0)
160 fprintf(stderr, "[cons_end(%d): definite]", o->stackp);
165 case ODR_PRINT: o->stackp--; return 1;