35 lines
988 B
C
35 lines
988 B
C
#ifndef COSMOPOLITAN_LIBC_DNS_DNSQUESTION_H_
|
|
#define COSMOPOLITAN_LIBC_DNS_DNSQUESTION_H_
|
|
#ifndef __STRICT_ANSI__
|
|
#include "libc/dns/dns.h"
|
|
#include "libc/sysv/errfuns.h"
|
|
#if !(__ASSEMBLER__ + __LINKER__ + 0)
|
|
COSMOPOLITAN_C_START_
|
|
|
|
struct DnsQuestion {
|
|
const char *qname;
|
|
uint16_t qtype;
|
|
uint16_t qclass;
|
|
};
|
|
|
|
/**
|
|
* Serializes DNS question record to wire.
|
|
*
|
|
* @return number of bytes written
|
|
* @see pascalifydnsname()
|
|
*/
|
|
forceinline int serializednsquestion(uint8_t *buf, size_t size,
|
|
struct DnsQuestion dq) {
|
|
int wrote;
|
|
if ((wrote = pascalifydnsname(buf, size, dq.qname)) == -1) return -1;
|
|
if (wrote + 1 + 4 > size) return enospc();
|
|
buf[wrote + 1] = dq.qtype >> 010, buf[wrote + 2] = dq.qtype >> 000;
|
|
buf[wrote + 3] = dq.qclass >> 010, buf[wrote + 4] = dq.qclass >> 000;
|
|
return wrote + 5;
|
|
}
|
|
|
|
COSMOPOLITAN_C_END_
|
|
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
|
|
#endif /* !ANSI */
|
|
#endif /* COSMOPOLITAN_LIBC_DNS_DNSQUESTION_H_ */
|