diff options
Diffstat (limited to 'inet/netinet')
| -rw-r--r-- | inet/netinet/in.h | 80 |
1 files changed, 45 insertions, 35 deletions
diff --git a/inet/netinet/in.h b/inet/netinet/in.h index fb668a204d..9f73638e05 100644 --- a/inet/netinet/in.h +++ b/inet/netinet/in.h @@ -61,6 +61,10 @@ enum IPPROTO_MAX }; + +/* Type to represent a port. */ +typedef uint16_t in_port_t; + /* Standard well-known ports. */ enum { @@ -103,9 +107,10 @@ enum /* Internet address. */ +typedef uint32_t in_addr_t; struct in_addr { - uint32_t s_addr; + in_addr_t s_addr; }; @@ -114,48 +119,48 @@ struct in_addr On subnets, host and network parts are found according to the subnet mask, not these masks. */ -#define IN_CLASSA(a) ((((uint32_t) (a)) & 0x80000000) == 0) +#define IN_CLASSA(a) ((((in_addr_t)(a)) & 0x80000000) == 0) #define IN_CLASSA_NET 0xff000000 #define IN_CLASSA_NSHIFT 24 #define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET) #define IN_CLASSA_MAX 128 -#define IN_CLASSB(a) ((((uint32_t) (a)) & 0xc0000000) == 0x80000000) +#define IN_CLASSB(a) ((((in_addr_t)(a)) & 0xc0000000) == 0x80000000) #define IN_CLASSB_NET 0xffff0000 #define IN_CLASSB_NSHIFT 16 #define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET) #define IN_CLASSB_MAX 65536 -#define IN_CLASSC(a) ((((uint32_t) (a)) & 0xe0000000) == 0xc0000000) +#define IN_CLASSC(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xc0000000) #define IN_CLASSC_NET 0xffffff00 #define IN_CLASSC_NSHIFT 8 #define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET) -#define IN_CLASSD(a) ((((uint32_t) (a)) & 0xf0000000) == 0xe0000000) +#define IN_CLASSD(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xe0000000) #define IN_MULTICAST(a) IN_CLASSD(a) -#define IN_EXPERIMENTAL(a) ((((uint32_t) (a)) & 0xe0000000) == 0xe0000000) -#define IN_BADCLASS(a) ((((uint32_t) (a)) & 0xf0000000) == 0xf0000000) +#define IN_EXPERIMENTAL(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xe0000000) +#define IN_BADCLASS(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xf0000000) /* Address to accept any incoming messages. */ -#define INADDR_ANY ((uint32_t) 0x00000000) +#define INADDR_ANY ((in_addr_t) 0x00000000) /* Address to send to all hosts. */ -#define INADDR_BROADCAST ((uint32_t) 0xffffffff) +#define INADDR_BROADCAST ((in_addr_t) 0xffffffff) /* Address indicating an error return. */ -#define INADDR_NONE ((uint32_t) 0xffffffff) +#define INADDR_NONE ((in_addr_t) 0xffffffff) /* Network number for local host loopback. */ #define IN_LOOPBACKNET 127 /* Address to loopback in software to local host. */ #ifndef INADDR_LOOPBACK -# define INADDR_LOOPBACK ((uint32_t) 0x7f000001) /* Inet 127.0.0.1. */ +# define INADDR_LOOPBACK ((in_addr_t) 0x7f000001) /* Inet 127.0.0.1. */ #endif /* Defines for Multicast INADDR. */ -#define INADDR_UNSPEC_GROUP ((uint32_t) 0xe0000000) /* 224.0.0.0 */ -#define INADDR_ALLHOSTS_GROUP ((uint32_t) 0xe0000001) /* 224.0.0.1 */ -#define INADDR_ALLRTRS_GROUP ((uint32_t) 0xe0000002) /* 224.0.0.2 */ -#define INADDR_MAX_LOCAL_GROUP ((uint32_t) 0xe00000ff) /* 224.0.0.255 */ +#define INADDR_UNSPEC_GROUP ((in_addr_t) 0xe0000000) /* 224.0.0.0 */ +#define INADDR_ALLHOSTS_GROUP ((in_addr_t) 0xe0000001) /* 224.0.0.1 */ +#define INADDR_ALLRTRS_GROUP ((in_addr_t) 0xe0000002) /* 224.0.0.2 */ +#define INADDR_MAX_LOCAL_GROUP ((in_addr_t) 0xe00000ff) /* 224.0.0.255 */ /* IPv6 address */ @@ -163,11 +168,11 @@ struct in6_addr { union { - uint8_t u6_addr8[16]; - uint16_t u6_addr16[8]; - uint32_t u6_addr32[4]; + uint8_t u6_addr8[16]; + uint16_t u6_addr16[8]; + uint32_t u6_addr32[4]; #if ULONG_MAX > 0xffffffff - uint64_t u6_addr64[2]; + uint64_t u6_addr64[2]; #endif } in6_u; #define s6_addr in6_u.u6_addr8 @@ -192,13 +197,13 @@ extern const struct in6_addr in6addr_loopback; /* ::1 */ struct sockaddr_in { __SOCKADDR_COMMON (sin_); - uint16_t sin_port; /* Port number. */ + in_port_t sin_port; /* Port number. */ struct in_addr sin_addr; /* Internet address. */ /* Pad to size of `struct sockaddr'. */ unsigned char sin_zero[sizeof (struct sockaddr) - __SOCKADDR_COMMON_SIZE - - sizeof (uint16_t) - + sizeof (in_port_t) - sizeof (struct in_addr)]; }; @@ -206,7 +211,7 @@ struct sockaddr_in struct sockaddr_in6 { __SOCKADDR_COMMON (sin6_); - uint16_t sin6_port; /* Transport layer port # */ + in_port_t sin6_port; /* Transport layer port # */ uint32_t sin6_flowinfo; /* IPv6 flow information */ struct in6_addr sin6_addr; /* IPv6 address */ uint32_t sin6_scope_id; /* IPv6 scope-id */ @@ -245,19 +250,24 @@ extern uint16_t htons (uint16_t __hostshort) /* Get machine dependent optimized versions of byte swapping functions. */ #include <bits/byteswap.h> -#if __BYTE_ORDER == __BIG_ENDIAN && defined __OPTIMIZE__ +#ifdef __OPTIMIZE__ +/* We can optimize calls to the conversion functions. Either nothing has + to be done or we are using directly the byte-swapping functions which + often can be inlined. */ +# if __BYTE_ORDER == __BIG_ENDIAN /* The host byte order is the same as network byte order, so these functions are all just identity. */ # define ntohl(x) (x) # define ntohs(x) (x) # define htonl(x) (x) # define htons(x) (x) -#else -# if __BYTE_ORDER == __LITTLE_ENDIAN && defined __OPTIMIZE__ -# define ntohl(x) __bswap_32 (x) -# define ntohs(x) __bswap_16 (x) -# define htonl(x) __bswap_32 (x) -# define htons(x) __bswap_16 (x) +# else +# if __BYTE_ORDER == __LITTLE_ENDIAN +# define ntohl(x) __bswap_32 (x) +# define ntohs(x) __bswap_16 (x) +# define htonl(x) __bswap_32 (x) +# define htons(x) __bswap_16 (x) +# endif # endif #endif @@ -269,7 +279,7 @@ extern uint16_t htons (uint16_t __hostshort) (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \ ((uint32_t *) (a))[2] == 0 && ((uint32_t *) (a))[3] == htonl (1)) -#define IN6_IS_ADDR_MULTICAST(a) (((u_int8_t *) (a))[0] == 0xff) +#define IN6_IS_ADDR_MULTICAST(a) (((uint8_t *) (a))[0] == 0xff) #define IN6_IS_ADDR_LINKLOCAL(a) \ ((((uint32_t *) (a))[0] & htonl (0xffc00000)) == htonl (0xfe800000)) @@ -300,19 +310,19 @@ extern int bindresvport6 (int __sockfd, struct sockaddr_in6 *__sock_in) #define IN6_IS_ADDR_MC_NODELOCAL(a) \ - (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0x1)) + (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x1)) #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ - (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0x2)) + (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x2)) #define IN6_IS_ADDR_MC_SITELOCAL(a) \ - (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0x5)) + (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x5)) #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ - (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0x8)) + (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x8)) #define IN6_IS_ADDR_MC_GLOBAL(a) \ - (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0xe)) + (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0xe)) /* IPv6 packet information. */ struct in6_pktinfo |