Function ipp_col_string

cups/ipp-support.c:2521–2577

 */

static size_t				/* O - Number of bytes */
ipp_col_string(ipp_t  *col,		/* I - Collection attribute */
               char   *buffer,		/* I - Buffer or NULL */
               size_t bufsize)		/* I - Size of buffer */
{
  char			*bufptr,	/* Position in buffer */
			*bufend,	/* End of buffer */
			prefix = '{',	/* Prefix character */
			temp[256];	/* Temporary string */
  ipp_attribute_t	*attr;		/* Current member attribute */


  if (!col)
  {
    if (buffer)
      *buffer = '\0';

    return (0);
  }

  bufptr = buffer;
  bufend = buffer + bufsize - 1;

  for (attr = col->attrs; attr; attr = attr->next)
  {
    if (!attr->name)
      continue;

    if (buffer && bufptr < bufend)
      *bufptr = prefix;
    bufptr ++;
    prefix = ' ';

    if (buffer && bufptr < bufend)
      bufptr += snprintf(bufptr, (size_t)(bufend - bufptr + 1), "%s=", attr->name);
    else
      bufptr += strlen(attr->name) + 1;

    if (buffer && bufptr < bufend)
      bufptr += ippAttributeString(attr, bufptr, (size_t)(bufend - bufptr + 1));
    else
      bufptr += ippAttributeString(attr, temp, sizeof(temp));
  }

  if (prefix == '{')
  {
    if (buffer && bufptr < bufend)
      *bufptr = prefix;
    bufptr ++;
  }

  if (buffer && bufptr < bufend)
    *bufptr = '}';
  bufptr ++;

  return ((size_t)(bufptr - buffer));
}