Function ippCopyAttribute

cups/ipp.c:1471–1620

ipp_attribute_t *			/* O - New attribute */
ippCopyAttribute(
    ipp_t           *dst,		/* I - Destination IPP message */
    ipp_attribute_t *srcattr,		/* I - Attribute to copy */
    int             quickcopy)		/* I - 1 for a referenced copy, 0 for normal */
{
  int			i;		/* Looping var */
  ipp_tag_t		srctag;		/* Source value tag */
  ipp_attribute_t	*dstattr;	/* Destination attribute */
  _ipp_value_t		*srcval,	/* Source value */
			*dstval;	/* Destination value */


  DEBUG_printf(("ippCopyAttribute(dst=%p, srcattr=%p, quickcopy=%d)", (void *)dst, (void *)srcattr, quickcopy));

 /*
  * Range check input...
  */

  if (!dst || !srcattr)
    return (NULL);

 /*
  * Copy it...
  */

  quickcopy = (quickcopy && (srcattr->value_tag & IPP_TAG_CUPS_CONST)) ? IPP_TAG_CUPS_CONST : 0;
  srctag    = srcattr->value_tag & IPP_TAG_CUPS_MASK;

  switch (srctag)
  {
    case IPP_TAG_ZERO :
        dstattr = ippAddSeparator(dst);
	break;

    case IPP_TAG_UNSUPPORTED_VALUE :
    case IPP_TAG_DEFAULT :
    case IPP_TAG_UNKNOWN :
    case IPP_TAG_NOVALUE :
    case IPP_TAG_NOTSETTABLE :
    case IPP_TAG_DELETEATTR :
    case IPP_TAG_ADMINDEFINE :
        dstattr = ippAddOutOfBand(dst, srcattr->group_tag, srctag, srcattr->name);
        break;

    case IPP_TAG_INTEGER :
    case IPP_TAG_ENUM :
    case IPP_TAG_BOOLEAN :
    case IPP_TAG_DATE :
    case IPP_TAG_RESOLUTION :
    case IPP_TAG_RANGE :
        if ((dstattr = ipp_add_attr(dst, srcattr->name, srcattr->group_tag, srctag, srcattr->num_values)) != NULL)
	  memcpy(dstattr->values, srcattr->values, (size_t)srcattr->num_values * sizeof(_ipp_value_t));
        break;

    case IPP_TAG_TEXT :
    case IPP_TAG_NAME :
    case IPP_TAG_RESERVED_STRING :