* Sebastian Hammer, Adam Dickmeiss
*
* $Log: odr_seq.c,v $
- * Revision 1.1 1995-02-02 16:21:54 quinn
+ * Revision 1.2 1995-02-06 16:45:03 quinn
+ * Small mods.
+ *
+ * Revision 1.1 1995/02/02 16:21:54 quinn
* First kick.
*
*/
if (odr_constructed_begin(o, p, o->t_class, o->t_tag, 0))
{
- if (o->direction == ODR_DECODE)
+ if (o->direction == ODR_DECODE && size)
*pp = nalloc(o, size);
return 1;
}
{
return odr_constructed_end(o);
}
+
+int odr_sequence_more(ODR o)
+{
+ if (o->stackp < 0)
+ return 0;
+ if (o->stack[o->stackp].len >= 0)
+ return o->bp - o->stack[o->stackp].base < o->stack[o->stackp].len;
+ else
+ return (!(*o->bp == 0 && *(o->bp + 1) == 0));
+}
+
+int odr_sequence_of(ODR o, Odr_fun type, void *p, int *num)
+{
+ char **pp = (char**) p; /* for dereferencing */
+ char *tmp;
+ int size = 0;
+
+ if (!odr_sequence_begin(o, p, 0))
+ return 0;
+
+ if (o->direction = ODR_DECODE)
+ *num = 0;
+ while (odr_sequence_more(o))
+ {
+ /* outgrown array? */
+ if (*num * sizeof(void*) >= size)
+ {
+ /* double the buffer size */
+ tmp = nalloc(o, sizeof(void*) * (size += size ? size :
+ 128));
+ if (*num)
+ {
+ memcpy(tmp, *pp, *num * sizeof(void*));
+ /*
+ * For now, we just throw the old *p away, since we use
+ * nibble memory anyway (disgusting, isn't it?).
+ */
+ *pp = tmp;
+ }
+ }
+ if (!(*type)(o, (*pp)[*num++], 0))
+ return 0;
+ *num++;
+ }
+ return odr_sequence_end(o);
+}
odr_sequence_end(o);
}
+struct A
+{
+ int which;
+ union
+ {
+ int *b; /* integer */
+ char *c; /* visstring */
+ } u;
+};
+
+int f_A(ODR o, struct A **p, int opt)
+{
+ int res;
+ Odr_arm arm[] =
+ {
+ { -1, -1, -1, 0, (Odr_fun) odr_integer },
+ { ODR_IMPLICIT, ODR_CONTEXT, 200, 1, (Odr_fun) odr_visiblestring },
+ { -1, -1, -1, -1, 0 }
+ };
+
+ if (o->direction == ODR_DECODE && !*p)
+ *p = nalloc(o, sizeof(**p));
+ res = odr_choice(o, arm, &(*p)->u, &(*p)->which);
+ if (!res)
+ {
+ *p = 0;
+ return opt;
+ }
+ return 1;
+}
+
+#if 0
int main()
{
int i;
odr_oid(&o, &oidp2, 0);
}
+#endif
+
+int main()
+{
+ struct A ch, *chp1, *chp2;
+ int b = 9999;
+ char *c = "Nu tester vi en satans forpulet CHOICE!";
+ struct odr o;
+ unsigned char buf[4096];
+
+ ch.u.c = c;
+ ch.which = 1;
+ chp1 = &ch;
+
+ o.buf = buf;
+ o.bp=o.buf;
+ o.left = o.buflen = 1024;
+ o.direction = ODR_ENCODE;
+ o.t_class = -1;
+
+ f_A(&o, &chp1, 0);
+
+ o.direction = ODR_DECODE;
+ o.bp = o.buf;
+
+ f_A(&o, &chp2, 0);
+
+ return 0;
+}