Function debug_sync_token

sql/debug_sync.cc:1024–1065

*/

static char *debug_sync_token(Debug_token *to,
                              char *ptr, char *ptrend)
{
  DBUG_ASSERT(to);
  DBUG_ASSERT(ptr);

  /* Skip leading space */
  ptr+= system_charset_info->scan(ptr, ptrend, MY_SEQ_SPACES);
  if (!*ptr)
  {
    // Keep "to" intact.
    return NULL;
  }

  /* Get token start. */
  to->str= ptr;

  /* Find token end. */
  ptr+= system_charset_info->scan(ptr, ptrend, MY_SEQ_NONSPACES);

  /* Get token length. */
  to->length= (uint)(ptr - to->str);

  /* If necessary, terminate token. */
  if (*ptr)
  {
    DBUG_ASSERT(ptr < ptrend);
    /* Get terminator character length. */
    uint mbspacelen= system_charset_info->charlen_fix(ptr, ptrend);

    /* Terminate token. */
    *ptr= '\0';

    /* Skip the terminator. */
    ptr+= mbspacelen;

    /* Skip trailing space */
    ptr+= system_charset_info->scan(ptr, ptrend, MY_SEQ_SPACES);
  }

  return ptr;
}


/**