/*
- * Copyright (C) 1994, Index Data I/S
- * All rights reserved.
+ * Copyright (c) 1995-2003, Index Data
+ * See the file LICENSE for details.
* Sebastian Hammer, Adam Dickmeiss
*
- * $Log: ber_bit.c,v $
- * Revision 1.2 1995-02-03 17:04:31 quinn
- * *** empty log message ***
- *
- * Revision 1.1 1995/02/02 20:38:49 quinn
- * Updates.
- *
+ * $Id: ber_bit.c,v 1.14 2003-01-06 08:20:27 adam Exp $
*
*/
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
-#include <odr.h>
+#include "odr-priv.h"
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;
}
}