C++ (Cpp) str_subst Beispiele

Beispiel #1

Datei: synth_record.c Projekt: dnstap/knot

static knot_dname_t *synth_ptrname(const char *addr_str, synth_template_t *tpl)
{
	/* PTR right-hand value is [prefix][address][zone] */
	char ptrname[KNOT_DNAME_MAXLEN] = {'\0'};
	int prefix_len = strlen(tpl->prefix);
	int addr_len = strlen(addr_str);
	int zone_len = strlen(tpl->zone);

	/* Check required space (zone requires extra leading dot). */
	if (prefix_len + addr_len + zone_len + 1 >= KNOT_DNAME_MAXLEN) {
		return NULL;
	}

	/* Write prefix string. */
	memcpy(ptrname, tpl->prefix, prefix_len);
	int written = prefix_len;

	/* Write address with substituted separator to '-'. */
	char sep = str_separator(tpl->subnet.ss.ss_family);
	memcpy(ptrname + written, addr_str, addr_len);
	str_subst(ptrname + written, addr_len, sep, '-');
	written += addr_len;

	/* Write zone name. */
	ptrname[written] = '.';
	written += 1;
	memcpy(ptrname + written, tpl->zone, zone_len);

	/* Convert to domain name. */
	return knot_dname_from_str(ptrname);
}

Beispiel #2

Datei: protocol-smtp.c Projekt: cweimann/mailfront

static const response* parse_addr_arg(void)
{
  unsigned i;
  char term;
  int quoted;
  
  if (!str_truncate(&addr, 0)) return &resp_oom;
  if (!str_truncate(&params, 0)) return &resp_oom;

  addr.len = 0;
  if ((i = str_findfirst(&arg, LBRACE) + 1) != 0)
    term = RBRACE;
  else {
    term = SPACE;
    if ((i = str_findfirst(&arg, COLON) + 1) == 0)
      if ((i = str_findfirst(&arg, SPACE) + 1) == 0)
	return &resp_badaddr;
    while (i < arg.len && arg.s[i] == SPACE)
      ++i;
  }

  for (quoted = 0; i < arg.len && (quoted || arg.s[i] != term); ++i) {
    switch (arg.s[i]) {
    case QUOTE:
      quoted = !quoted;
      break;
    case ESCAPE:
      ++i;
      /* fall through */
    default:
      if (!str_catc(&addr, arg.s[i])) return &resp_oom;
    }
  }
  ++i;
  if (i > arg.len) return &resp_badaddr;
  while (i < arg.len && arg.s[i] == SPACE) ++i;
  if (!str_copyb(&params, arg.s+i, arg.len-i)) return &resp_oom;
  str_subst(&params, ' ', 0);

  /* strip source routing */
  if (addr.s[0] == AT
      && (i = str_findfirst(&addr, COLON) + 1) != 0)
    str_lcut(&addr, i);
    
  return 0;
}

Beispiel #3

Datei: synth_record.c Projekt: dnstap/knot

static int forward_addr_parse(struct query_data *qdata, synth_template_t *tpl, char *addr_str)
{
	/* Find prefix label count (additive to prefix length). */
	const knot_dname_t *addr_label = qdata->name;

	/* Mismatch if label shorter/equal than prefix. */
	int prefix_len = strlen(tpl->prefix);
	if (addr_label == NULL || addr_label[0] <= prefix_len) {
		return KNOT_EINVAL;
	}

	int addr_len = *addr_label - prefix_len;
	memcpy(addr_str, addr_label + 1 + prefix_len, addr_len);

	/* Restore correct address format. */
	char sep = str_separator(tpl->subnet.ss.ss_family);
	str_subst(addr_str, addr_len, '-', sep);

	return KNOT_EOK;
}