Updates.

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

diff --git a/odr/odr_bit.c b/odr/odr_bit.c
new file mode 100644 (file)
index 0000000..80434b7
--- /dev/null
+++ b/odr/odr_bit.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 1994, Index Data I/S 
+ * All rights reserved.
+ * Sebastian Hammer, Adam Dickmeiss
+ *
+ * $Log: odr_bit.c,v $
+ * Revision 1.1  1995-02-02 20:38:50  quinn
+ * Updates.
+ *
+ *
+ */
+
+#include <odr.h>
+#include <string.h>
+
+/*
+ * Top level bitstring string en/decoder.
+ * Returns 1 on success, 0 on error.
+ */
+int odr_bitstring(ODR o, ODR_BITMASK **p, int opt)
+{
+    int res, cons = 0;
+
+    if (o->t_class < 0)
+    {
+       o->t_class = ODR_UNIVERSAL;
+       o->t_tag = ODR_BITSTRING;
+    }
+    if ((res = ber_tag(o, *p, o->t_class, o->t_tag, &cons)) < 0)
+       return 0;
+    if (!res)
+    {
+       *p = 0;
+       return opt;
+    }
+    if (o->direction == ODR_PRINT)
+    {
+       fprintf(o->print, "BITSTRING(len=%d)\n", (*p)->top + 1);
+       return 1;
+    }
+    if (o->direction == ODR_DECODE && !*p)
+    {
+       *p = nalloc(o, sizeof(ODR_BITMASK));
+       memset((*p)->bits, 0, ODR_BITMASK_SIZE);
+       (*p)->top = -1;
+    }
+    return ber_bitstring(o, *p, cons);
+}