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changes from plan 9

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rsc 2004-12-26 23:42:38 +00:00
parent bd8cb1a5b3
commit 66209ac0fe
2 changed files with 33 additions and 77 deletions
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33
src/libip/bo.c
View file

@ -2,6 +2,21 @@
#include <libc.h>
#include <ip.h>
void
hnputv(void *p, uvlong v)
{
uchar *a;
a = p;
a[0] = v>>56;
a[1] = v>>48;
a[2] = v>>40;
a[3] = v>>32;
a[4] = v>>24;
a[5] = v>>16;
a[6] = v>>8;
a[7] = v;
}
void
hnputl(void *p, uint v)
@ -25,6 +40,24 @@ hnputs(void *p, ushort v)
a[1] = v;
}
uvlong
nhgetv(void *p)
{
uchar *a;
uvlong v;
a = p;
v = (uvlong)a[0]<<56;
v |= (uvlong)a[1]<<48;
v |= (uvlong)a[2]<<40;
v |= (uvlong)a[3]<<32;
v |= a[4]<<24;
v |= a[5]<<16;
v |= a[6]<<8;
v |= a[7]<<0;
return v;
}
uint
nhgetl(void *p)
{

77
src/libip/ip.h
View file

@ -1,77 +0,0 @@
#pragma src "/sys/src/libip"
#pragma lib "libip.a"
enum
{
IPaddrlen= 16,
IPv4addrlen= 4,
IPv4off= 12,
IPllen= 4,
};
/*
* for reading /net/ipifc
*/
typedef struct Ipifc Ipifc;
typedef struct Ipifcs Ipifcs;
struct Ipifc
{
char dev[64];
uchar ip[IPaddrlen];
uchar mask[IPaddrlen];
uchar net[IPaddrlen]; /* ip & mask */
Ipifc *next;
};
struct Ipifcs
{
Ipifc *first;
Ipifc *last;
};
/*
* user level udp headers
*/
enum
{
Udphdrsize= 36, /* size of a Udphdr */
};
typedef struct Udphdr Udphdr;
struct Udphdr
{
uchar raddr[IPaddrlen]; /* remote address and port */
uchar laddr[IPaddrlen]; /* local address and port */
uchar rport[2];
uchar lport[2];
};
uchar* defmask(uchar*);
void maskip(uchar*, uchar*, uchar*);
int eipconv(va_list*, Fconv*);
ulong parseip(uchar*, char*);
ulong parseipmask(uchar*, char*);
int parseether(uchar*, char*);
int myipaddr(uchar*, char*);
int myetheraddr(uchar*, char*);
void readipifc(char*, Ipifcs*);
void hnputl(void*, uint);
void hnputs(void*, ushort);
uint nhgetl(void*);
ushort nhgets(void*);
#define ipcmp(x, y) memcmp(x, y, IPaddrlen)
#define ipmove(x, y) memmove(x, y, IPaddrlen)
extern uchar IPv4bcast[IPaddrlen];
extern uchar IPv4bcastobs[IPaddrlen];
extern uchar IPv4allsys[IPaddrlen];
extern uchar IPv4allrouter[IPaddrlen];
extern uchar IPnoaddr[IPaddrlen];
extern uchar v4prefix[IPaddrlen];
extern uchar IPallbits[IPaddrlen];
#define CLASS(p) ((*(uchar*)(p))>>6)