X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=odr%2Fodr_seq.c;h=48e42985308d8b92d33e748949c80b2579cc3607;hb=aad9a6e6dbceb78f4a125c24c9b93d19f75af361;hp=97ddc472e9aecc2e0b215a79b76ef503a9729ac4;hpb=a7d28a25277a208edb9c44d124f179cc2be6db70;p=yaz-moved-to-github.git

diff --git a/odr/odr_seq.c b/odr/odr_seq.c
index 97ddc47..48e4298 100644
--- a/odr/odr_seq.c
+++ b/odr/odr_seq.c
@@ -4,7 +4,16 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: odr_seq.c,v $
- * Revision 1.1  1995-02-02 16:21:54  quinn
+ * Revision 1.4  1995-02-07 17:53:00  quinn
+ * A damn mess, but now things work, I think.
+ *
+ * Revision 1.3  1995/02/07  14:13:46  quinn
+ * Bug fixes.
+ *
+ * Revision 1.2  1995/02/06  16:45:03  quinn
+ * Small mods.
+ *
+ * Revision 1.1  1995/02/02  16:21:54  quinn
  * First kick.
  *
  */
@@ -21,9 +30,9 @@ int odr_sequence_begin(ODR o, void *p, int size)
     	o->t_tag = ODR_SEQUENCE;
     }
 
-    if (odr_constructed_begin(o, p, o->t_class, o->t_tag, 0))
+    if (odr_constructed_begin(o, p, o->t_class, o->t_tag))
     {
-    	if (o->direction == ODR_DECODE)
+    	if (o->direction == ODR_DECODE && size)
 	    *pp = nalloc(o, size);
     	return 1;
     }
@@ -35,3 +44,61 @@ int odr_sequence_end(ODR o)
 {
     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;
+    char *dummy;
+    int size = 0, i;
+
+    if (!odr_sequence_begin(o, &dummy, 0))
+    	return 0;
+
+    switch (o->direction)
+    {
+    	case 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)++;
+	    }
+	    break;
+    	case ODR_ENCODE:
+	    for (i = 0; i < *num; i++)
+	    	if (!(*type)(o, *pp + i, 0))
+		    return 0;
+	    break;
+    	case ODR_PRINT: return 1;
+    	default: return 0;
+    }
+    return odr_sequence_end(o);
+}