Function with_value_from

tools/ipptool.c:6403–6580

 */

static int				/* O - 1 on match, 0 on non-match */
with_value_from(
    cups_array_t    *errors,		/* I - Errors array */
    ipp_attribute_t *fromattr,		/* I - "From" attribute */
    ipp_attribute_t *attr,		/* I - Attribute to compare */
    char            *matchbuf,		/* I - Buffer to hold matching value */
    size_t          matchlen)		/* I - Length of match buffer */
{
  int	i, j,				/* Looping vars */
	count = ippGetCount(attr),	/* Number of attribute values */
	match = 1;			/* Match? */


  *matchbuf = '\0';

 /*
  * Compare the from value(s) to the attribute value(s)...
  */

  switch (ippGetValueTag(attr))
  {
    case IPP_TAG_INTEGER :
        if (ippGetValueTag(fromattr) != IPP_TAG_INTEGER && ippGetValueTag(fromattr) != IPP_TAG_RANGE)
	  goto wrong_value_tag;

	for (i = 0; i < count; i ++)
	{
	  int value = ippGetInteger(attr, i);
					/* Current integer value */

	  if (ippContainsInteger(fromattr, value))
	  {
	    if (!matchbuf[0])
	      snprintf(matchbuf, matchlen, "%d", value);
	  }
	  else
	  {
	    add_stringf(errors, "GOT: %s=%d", ippGetName(attr), value);
	    match = 0;
	  }
	}
	break;

    case IPP_TAG_ENUM :
        if (ippGetValueTag(fromattr) != IPP_TAG_ENUM)
	  goto wrong_value_tag;

	for (i = 0; i < count; i ++)
	{
	  int value = ippGetInteger(attr, i);
					/* Current integer value */

	  if (ippContainsInteger(fromattr, value))
	  {
	    if (!matchbuf[0])
	      snprintf(matchbuf, matchlen, "%d", value);
	  }
	  else