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Macros
#define	DNS__16BIT(p)

#define	DNS__32BIT(p)

#define	DNS__SET16BIT(p, v)

#define	DNS__SET32BIT(p, v)

#define	DNS_HEADER_AA(h) (((h)[2] >> 2) & 0x1)

#define	DNS_HEADER_ANCOUNT(h) DNS__16BIT((h) + 6)

#define	DNS_HEADER_ARCOUNT(h) DNS__16BIT((h) + 10)

#define	DNS_HEADER_NSCOUNT(h) DNS__16BIT((h) + 8)

#define	DNS_HEADER_OPCODE(h) (((h)[2] >> 3) & 0xf)

#define	DNS_HEADER_QDCOUNT(h) DNS__16BIT((h) + 4)

#define	DNS_HEADER_QID(h) DNS__16BIT(h)

#define	DNS_HEADER_QR(h) (((h)[2] >> 7) & 0x1)

#define	DNS_HEADER_RA(h) (((h)[3] >> 7) & 0x1)

#define	DNS_HEADER_RCODE(h) ((h)[3] & 0xf)

#define	DNS_HEADER_RD(h) ((h)[2] & 0x1)

#define	DNS_HEADER_SET_AA(h, v) ((h)[2] \|= (unsigned char)(((v) & 0x1) << 2))

#define	DNS_HEADER_SET_ANCOUNT(h, v) DNS__SET16BIT((h) + 6, v)

#define	DNS_HEADER_SET_ARCOUNT(h, v) DNS__SET16BIT((h) + 10, v)

#define	DNS_HEADER_SET_NSCOUNT(h, v) DNS__SET16BIT((h) + 8, v)

#define	DNS_HEADER_SET_OPCODE(h, v) ((h)[2] \|= (unsigned char)(((v) & 0xf) << 3))

#define	DNS_HEADER_SET_QDCOUNT(h, v) DNS__SET16BIT((h) + 4, v)

#define	DNS_HEADER_SET_QID(h, v) DNS__SET16BIT(h, v)

#define	DNS_HEADER_SET_QR(h, v) ((h)[2] \|= (unsigned char)(((v) & 0x1) << 7))

#define	DNS_HEADER_SET_RA(h, v) ((h)[3] \|= (unsigned char)(((v) & 0x1) << 7))

#define	DNS_HEADER_SET_RCODE(h, v) ((h)[3] \|= (unsigned char)((v) & 0xf))

#define	DNS_HEADER_SET_RD(h, v) ((h)[2] \|= (unsigned char)((v) & 0x1))

#define	DNS_HEADER_SET_TC(h, v) ((h)[2] \|= (unsigned char)(((v) & 0x1) << 1))

#define	DNS_HEADER_SET_Z(h, v) ((h)[3] \|= (unsigned char)(((v) & 0x7) << 4))

#define	DNS_HEADER_TC(h) (((h)[2] >> 1) & 0x1)

#define	DNS_HEADER_Z(h) (((h)[3] >> 4) & 0x7)

#define	DNS_QUESTION_CLASS(q) DNS__16BIT((q) + 2)

#define	DNS_QUESTION_SET_CLASS(q, v) DNS__SET16BIT((q) + 2, v)

#define	DNS_QUESTION_SET_TYPE(q, v) DNS__SET16BIT(q, v)

#define	DNS_QUESTION_TYPE(q) DNS__16BIT(q)

#define	DNS_RR_CLASS(r) DNS__16BIT((r) + 2)

#define	DNS_RR_LEN(r) DNS__16BIT((r) + 8)

#define	DNS_RR_SET_CLASS(r, v) DNS__SET16BIT((r) + 2, v)

#define	DNS_RR_SET_LEN(r, v) DNS__SET16BIT((r) + 8, v)

#define	DNS_RR_SET_TTL(r, v) DNS__SET32BIT((r) + 4, v)

#define	DNS_RR_SET_TYPE(r, v) DNS__SET16BIT(r, v)

#define	DNS_RR_TTL(r) DNS__32BIT((r) + 4)

#define	DNS_RR_TYPE(r) DNS__16BIT(r)

Macro Definition Documentation

◆ DNS__16BIT

#define DNS__16BIT ( p )

Value:

                         ((unsigned short)((unsigned int) 0xffff & \
                         (((unsigned int)((unsigned char)(p)[0]) << 8U) | \
                          ((unsigned int)((unsigned char)(p)[1])))))

Definition at line 32 of file ares_dns.h.

◆ DNS__32BIT

#define DNS__32BIT ( p )

Value:

                         ((unsigned int) \
                         (((unsigned int)((unsigned char)(p)[0]) << 24U) | \
                          ((unsigned int)((unsigned char)(p)[1]) << 16U) | \
                          ((unsigned int)((unsigned char)(p)[2]) <<  8U) | \
                          ((unsigned int)((unsigned char)(p)[3]))))

Definition at line 40 of file ares_dns.h.

◆ DNS__SET16BIT

#define DNS__SET16BIT	(	p,
		v
	)

Value:

(((p)[0] = (unsigned char)(((v) >> 8) & 0xff)), \

((p)[1] = (unsigned char)((v) & 0xff)))

Definition at line 46 of file ares_dns.h.

◆ DNS__SET32BIT

#define DNS__SET32BIT	(	p,
		v
	)

Value:

                              (((p)[0] = (unsigned char)(((v) >> 24) & 0xff)), \
                              ((p)[1] = (unsigned char)(((v) >> 16) & 0xff)), \
                              ((p)[2] = (unsigned char)(((v) >> 8) & 0xff)), \
                              ((p)[3] = (unsigned char)((v) & 0xff)))

Definition at line 48 of file ares_dns.h.

◆ DNS_HEADER_AA

#define DNS_HEADER_AA ( h ) (((h)[2] >> 2) & 0x1)

Definition at line 66 of file ares_dns.h.

◆ DNS_HEADER_ANCOUNT

#define DNS_HEADER_ANCOUNT ( h ) DNS__16BIT((h) + 6)

Definition at line 73 of file ares_dns.h.

◆ DNS_HEADER_ARCOUNT

#define DNS_HEADER_ARCOUNT ( h ) DNS__16BIT((h) + 10)

Definition at line 75 of file ares_dns.h.

◆ DNS_HEADER_NSCOUNT

#define DNS_HEADER_NSCOUNT ( h ) DNS__16BIT((h) + 8)

Definition at line 74 of file ares_dns.h.

◆ DNS_HEADER_OPCODE

#define DNS_HEADER_OPCODE ( h ) (((h)[2] >> 3) & 0xf)

Definition at line 65 of file ares_dns.h.

◆ DNS_HEADER_QDCOUNT

#define DNS_HEADER_QDCOUNT ( h ) DNS__16BIT((h) + 4)

Definition at line 72 of file ares_dns.h.

◆ DNS_HEADER_QID

#define DNS_HEADER_QID ( h ) DNS__16BIT(h)

Definition at line 63 of file ares_dns.h.

◆ DNS_HEADER_QR

#define DNS_HEADER_QR ( h ) (((h)[2] >> 7) & 0x1)

Definition at line 64 of file ares_dns.h.

◆ DNS_HEADER_RA

#define DNS_HEADER_RA ( h ) (((h)[3] >> 7) & 0x1)

Definition at line 69 of file ares_dns.h.

◆ DNS_HEADER_RCODE

#define DNS_HEADER_RCODE ( h ) ((h)[3] & 0xf)

Definition at line 71 of file ares_dns.h.

◆ DNS_HEADER_RD

#define DNS_HEADER_RD ( h ) ((h)[2] & 0x1)

Definition at line 68 of file ares_dns.h.

◆ DNS_HEADER_SET_AA

#define DNS_HEADER_SET_AA	(	h,
		v
	)	((h)[2] \|= (unsigned char)(((v) & 0x1) << 2))

Definition at line 81 of file ares_dns.h.

◆ DNS_HEADER_SET_ANCOUNT

#define DNS_HEADER_SET_ANCOUNT	(	h,
		v
	)	DNS__SET16BIT((h) + 6, v)

Definition at line 88 of file ares_dns.h.

◆ DNS_HEADER_SET_ARCOUNT

#define DNS_HEADER_SET_ARCOUNT	(	h,
		v
	)	DNS__SET16BIT((h) + 10, v)

Definition at line 90 of file ares_dns.h.

◆ DNS_HEADER_SET_NSCOUNT

#define DNS_HEADER_SET_NSCOUNT	(	h,
		v
	)	DNS__SET16BIT((h) + 8, v)

Definition at line 89 of file ares_dns.h.

◆ DNS_HEADER_SET_OPCODE

#define DNS_HEADER_SET_OPCODE	(	h,
		v
	)	((h)[2] \|= (unsigned char)(((v) & 0xf) << 3))

Definition at line 80 of file ares_dns.h.

◆ DNS_HEADER_SET_QDCOUNT

#define DNS_HEADER_SET_QDCOUNT	(	h,
		v
	)	DNS__SET16BIT((h) + 4, v)

Definition at line 87 of file ares_dns.h.

◆ DNS_HEADER_SET_QID

#define DNS_HEADER_SET_QID	(	h,
		v
	)	DNS__SET16BIT(h, v)

Definition at line 78 of file ares_dns.h.

◆ DNS_HEADER_SET_QR

#define DNS_HEADER_SET_QR	(	h,
		v
	)	((h)[2] \|= (unsigned char)(((v) & 0x1) << 7))

Definition at line 79 of file ares_dns.h.

◆ DNS_HEADER_SET_RA

#define DNS_HEADER_SET_RA	(	h,
		v
	)	((h)[3] \|= (unsigned char)(((v) & 0x1) << 7))

Definition at line 84 of file ares_dns.h.

◆ DNS_HEADER_SET_RCODE

#define DNS_HEADER_SET_RCODE	(	h,
		v
	)	((h)[3] \|= (unsigned char)((v) & 0xf))

Definition at line 86 of file ares_dns.h.

◆ DNS_HEADER_SET_RD

#define DNS_HEADER_SET_RD	(	h,
		v
	)	((h)[2] \|= (unsigned char)((v) & 0x1))

Definition at line 83 of file ares_dns.h.

◆ DNS_HEADER_SET_TC

#define DNS_HEADER_SET_TC	(	h,
		v
	)	((h)[2] \|= (unsigned char)(((v) & 0x1) << 1))

Definition at line 82 of file ares_dns.h.

◆ DNS_HEADER_SET_Z

#define DNS_HEADER_SET_Z	(	h,
		v
	)	((h)[3] \|= (unsigned char)(((v) & 0x7) << 4))

Definition at line 85 of file ares_dns.h.

◆ DNS_HEADER_TC

#define DNS_HEADER_TC ( h ) (((h)[2] >> 1) & 0x1)

Definition at line 67 of file ares_dns.h.

◆ DNS_HEADER_Z

#define DNS_HEADER_Z ( h ) (((h)[3] >> 4) & 0x7)

Definition at line 70 of file ares_dns.h.

◆ DNS_QUESTION_CLASS

#define DNS_QUESTION_CLASS ( q ) DNS__16BIT((q) + 2)

Definition at line 94 of file ares_dns.h.

◆ DNS_QUESTION_SET_CLASS

#define DNS_QUESTION_SET_CLASS	(	q,
		v
	)	DNS__SET16BIT((q) + 2, v)

Definition at line 98 of file ares_dns.h.

◆ DNS_QUESTION_SET_TYPE

#define DNS_QUESTION_SET_TYPE	(	q,
		v
	)	DNS__SET16BIT(q, v)

Definition at line 97 of file ares_dns.h.

◆ DNS_QUESTION_TYPE

#define DNS_QUESTION_TYPE ( q ) DNS__16BIT(q)

Definition at line 93 of file ares_dns.h.

◆ DNS_RR_CLASS

#define DNS_RR_CLASS ( r ) DNS__16BIT((r) + 2)

Definition at line 102 of file ares_dns.h.

◆ DNS_RR_LEN

#define DNS_RR_LEN ( r ) DNS__16BIT((r) + 8)

Definition at line 104 of file ares_dns.h.

◆ DNS_RR_SET_CLASS

#define DNS_RR_SET_CLASS	(	r,
		v
	)	DNS__SET16BIT((r) + 2, v)

Definition at line 108 of file ares_dns.h.

◆ DNS_RR_SET_LEN

#define DNS_RR_SET_LEN	(	r,
		v
	)	DNS__SET16BIT((r) + 8, v)

Definition at line 110 of file ares_dns.h.

◆ DNS_RR_SET_TTL

#define DNS_RR_SET_TTL	(	r,
		v
	)	DNS__SET32BIT((r) + 4, v)

Definition at line 109 of file ares_dns.h.

◆ DNS_RR_SET_TYPE

#define DNS_RR_SET_TYPE	(	r,
		v
	)	DNS__SET16BIT(r, v)

Definition at line 107 of file ares_dns.h.

◆ DNS_RR_TTL

#define DNS_RR_TTL ( r ) DNS__32BIT((r) + 4)

Definition at line 103 of file ares_dns.h.

◆ DNS_RR_TYPE

#define DNS_RR_TYPE ( r ) DNS__16BIT(r)

Definition at line 101 of file ares_dns.h.

Macros

Macro Definition Documentation

◆ DNS__16BIT

◆ DNS__32BIT

◆ DNS__SET16BIT

◆ DNS__SET32BIT

◆ DNS_HEADER_AA

◆ DNS_HEADER_ANCOUNT

◆ DNS_HEADER_ARCOUNT

◆ DNS_HEADER_NSCOUNT

◆ DNS_HEADER_OPCODE

◆ DNS_HEADER_QDCOUNT

◆ DNS_HEADER_QID

◆ DNS_HEADER_QR

◆ DNS_HEADER_RA

◆ DNS_HEADER_RCODE

◆ DNS_HEADER_RD

◆ DNS_HEADER_SET_AA

◆ DNS_HEADER_SET_ANCOUNT

◆ DNS_HEADER_SET_ARCOUNT

◆ DNS_HEADER_SET_NSCOUNT

◆ DNS_HEADER_SET_OPCODE

◆ DNS_HEADER_SET_QDCOUNT

◆ DNS_HEADER_SET_QID

◆ DNS_HEADER_SET_QR

◆ DNS_HEADER_SET_RA

◆ DNS_HEADER_SET_RCODE

◆ DNS_HEADER_SET_RD

◆ DNS_HEADER_SET_TC

◆ DNS_HEADER_SET_Z

◆ DNS_HEADER_TC

◆ DNS_HEADER_Z

◆ DNS_QUESTION_CLASS

◆ DNS_QUESTION_SET_CLASS

◆ DNS_QUESTION_SET_TYPE

◆ DNS_QUESTION_TYPE

◆ DNS_RR_CLASS

◆ DNS_RR_LEN

◆ DNS_RR_SET_CLASS

◆ DNS_RR_SET_LEN

◆ DNS_RR_SET_TTL

◆ DNS_RR_SET_TYPE

◆ DNS_RR_TTL

◆ DNS_RR_TYPE