Check for config.h (currently not generated).

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

diff --git a/odr/ber_bit.c b/odr/ber_bit.c
index ce8e21a..666d329 100644 (file)
--- a/odr/ber_bit.c
+++ b/odr/ber_bit.c
@@ -1,68 +1,109 @@
 /*
- * Copyright (C) 1994, Index Data I/S 
- * All rights reserved.
+ * Copyright (c) 1995-2000, Index Data
+ * See the file LICENSE for details.
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: ber_bit.c,v $
- * Revision 1.1  1995-02-02 20:38:49  quinn
+ * Revision 1.12  2000-02-29 13:44:55  adam
+ * Check for config.h (currently not generated).
+ *
+ * Revision 1.11  2000/01/31 13:15:21  adam
+ * Removed uses of assert(3). Cleanup of ODR. CCL parser update so
+ * that some characters are not surrounded by spaces in resulting term.
+ * ILL-code updates.
+ *
+ * Revision 1.10  1999/11/30 13:47:11  adam
+ * Improved installation. Moved header files to include/yaz.
+ *
+ * Revision 1.9  1999/04/20 09:56:48  adam
+ * Added 'name' paramter to encoder/decoder routines (typedef Odr_fun).
+ * Modified all encoders/decoders to reflect this change.
+ *
+ * Revision 1.8  1999/01/08 11:23:21  adam
+ * Added const modifier to some of the BER/ODR encoding routines.
+ *
+ * Revision 1.7  1995/09/29 17:12:16  quinn
+ * Smallish
+ *
+ * Revision 1.6  1995/09/27  15:02:54  quinn
+ * Modified function heads & prototypes.
+ *
+ * Revision 1.5  1995/05/16  08:50:43  quinn
+ * License, documentation, and memory fixes
+ *
+ * Revision 1.4  1995/04/18  08:15:13  quinn
+ * Added dynamic memory allocation on encoding (whew). Code is now somewhat
+ * neater. We'll make the same change for decoding one day.
+ *
+ * Revision 1.3  1995/03/08  12:12:04  quinn
+ * Added better error checking.
+ *
+ * Revision 1.2  1995/02/03  17:04:31  quinn
+ * *** empty log message ***
+ *
+ * Revision 1.1  1995/02/02  20:38:49  quinn
  * Updates.
  *
  *
  */
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
 
-#include <odr.h>
+#include <yaz/odr.h>
 
-int ber_bitstring(ODR o, ODR_BITMASK *p, int cons)
+int ber_bitstring(ODR o, Odr_bitmask *p, int cons)
 {
     int res, len;
-    unsigned char *base;
+    const unsigned char *base;
 
     switch (o->direction)
     {
        case ODR_DECODE:
            if ((res = ber_declen(o->bp, &len)) < 0)
+           {
+               o->error = OPROTO;
                return 0;
+           }
            o->bp += res;
-           o->left -= res;
            if (cons)       /* fetch component strings */
            {
                base = o->bp;
                while (odp_more_chunks(o, base, len))
-                   if (!odr_bitstring(o, &p, 0))
+                   if (!odr_bitstring(o, &p, 0, 0))
                        return 0;
                return 1;
            }
            /* primitive bitstring */
            if (len < 0)
+           {
+               o->error = OOTHER;
                return 0;
+           }
            if (len == 0)
                return 1;
            if (len - 1 > ODR_BITMASK_SIZE)
+           {
+               o->error = OOTHER;
                return 0;
+           }
            o->bp++;      /* silently ignore the unused-bits field */
-           o->left--;
            len--;
            memcpy(p->bits + p->top + 1, o->bp, len);
            p->top += len;
            o->bp += len;
-           o->left -= len;
            return 1;
        case ODR_ENCODE:
-           if ((res = ber_enclen(o->bp, p->top + 2, 5, 0)) < 0)
+           if ((res = ber_enclen(o, p->top + 2, 5, 0)) < 0)
                return 0;
-           o->bp += res;
-           o->left -= res;
-           if (p->top + 2 > o->left)
+           if (odr_putc(o, 0) < 0)    /* no unused bits here */
                return 0;
-           *(o->bp++) = 0;    /* no unused bits here */
-           o->left--;
            if (p->top < 0)
                return 1;
-           memcpy(o->bp, p->bits, p->top + 1);
-           o->bp += p->top + 1;
-           o->left -= p->top +1;
+           if (odr_write(o, p->bits, p->top + 1) < 0)
+               return 0;
            return 1;
        case ODR_PRINT: return 1;
-       default: return 0;
+       default: o->error = OOTHER; return 0;
     }
 }