Fixed possible buf in proto.c

[yaz-moved-to-github.git] / odr / odr_seq.c

diff --git a/odr/odr_seq.c b/odr/odr_seq.c
index 97ddc47..4f6646b 100644 (file)
--- a/odr/odr_seq.c
+++ b/odr/odr_seq.c
@@ -4,27 +4,60 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: odr_seq.c,v $
- * Revision 1.1  1995-02-02 16:21:54  quinn
+ * Revision 1.9  1995-03-17 10:17:57  quinn
+ * Added memory management.
+ *
+ * Revision 1.8  1995/03/15  11:18:05  quinn
+ * Fixed serious bug in odr_cons
+ *
+ * Revision 1.7  1995/03/08  12:12:30  quinn
+ * Added better error checking.
+ *
+ * Revision 1.6  1995/02/10  15:55:29  quinn
+ * Bug fixes, mostly.
+ *
+ * Revision 1.5  1995/02/09  15:51:49  quinn
+ * Works better now.
+ *
+ * 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.
  *
  */
 
 #include <odr.h>
+#include <assert.h>
 
 int odr_sequence_begin(ODR o, void *p, int size)
 {
     char **pp = (char**) p;
 
+    if (o->error)
+       return 0;
     if (o->t_class < 0)
     {
        o->t_class = ODR_UNIVERSAL;
        o->t_tag = ODR_SEQUENCE;
     }
-
-    if (odr_constructed_begin(o, p, o->t_class, o->t_tag, 0))
+    if (o->direction == ODR_DECODE)
+       *pp = 0;
+    if (odr_constructed_begin(o, p, o->t_class, o->t_tag))
     {
-       if (o->direction == ODR_DECODE)
-           *pp = nalloc(o, size);
+       if (o->direction == ODR_DECODE && size)
+           *pp = odr_malloc(o, size);
+       if (o->direction == ODR_PRINT)
+       {
+           fprintf(o->print, "%s{\n", odr_indent(o));
+           o->indent++;
+       }
        return 1;
     }
     else
@@ -33,5 +66,73 @@ int odr_sequence_begin(ODR o, void *p, int size)
 
 int odr_sequence_end(ODR o)
 {
+    if (o->direction == ODR_PRINT)
+    {
+       assert(o->indent > 0);
+       o->indent--;
+       fprintf(o->print, "%s}\n", odr_indent(o));
+    }
     return odr_constructed_end(o);    
 }
+
+int odr_sequence_more(ODR o)
+{
+    return odr_constructed_more(o);
+}
+
+int odr_sequence_of(ODR o, Odr_fun type, void *p, int *num)
+{
+    char ***pp = (char***) p;  /* for dereferencing */
+    char **tmp;
+    char *dummy = "Nothing";
+    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 = odr_malloc(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: case ODR_PRINT:
+#ifdef ODR_DEBUG
+           fprintf(stderr, "[seqof: num=%d]", *num);
+#endif
+           for (i = 0; i < *num; i++)
+           {
+#ifdef ODR_DEBUG
+               fprintf(stderr, "[seqof: elem #%d]", i);
+#endif
+               if (!(*type)(o, *pp + i, 0))
+                   return 0;
+           }
+           break;
+       default:
+           o->error = OOTHER;
+           return 0;
+    }
+    return odr_sequence_end(o);
+}