o5r/plan9port
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

start thinking about vac -- doesn't build yet

Browse source
This commit is contained in:
rsc 2003-11-23 17:55:34 +00:00
parent 7a4ee46d25
commit 7763a61a35
22 changed files with 7959 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

71
src/cmd/vac/util.c Normal file
View file

@ -0,0 +1,71 @@
#include "stdinc.h"
#include "vac.h"
#include "dat.h"
#include "fns.h"
int
vtGetUint16(uchar *p)
{
return (p[0]<<8)|p[1];
}
ulong
vtGetUint32(uchar *p)
{
return (p[0]<<24)|(p[1]<<16)|(p[2]<<8)|p[3];
}
uvlong
vtGetUint48(uchar *p)
{
return ((uvlong)p[0]<<40)|((uvlong)p[1]<<32)|
(p[2]<<24)|(p[3]<<16)|(p[4]<<8)|p[5];
}
uvlong
vtGetUint64(uchar *p)
{
return ((uvlong)p[0]<<56)|((uvlong)p[1]<<48)|((uvlong)p[2]<<40)|
((uvlong)p[3]<<32)|(p[4]<<24)|(p[5]<<16)|(p[6]<<8)|p[7];
}
void
vtPutUint16(uchar *p, int x)
{
p[0] = x>>8;
p[1] = x;
}
void
vtPutUint32(uchar *p, ulong x)
{
p[0] = x>>24;
p[1] = x>>16;
p[2] = x>>8;
p[3] = x;
}
void
vtPutUint48(uchar *p, uvlong x)
{
p[0] = x>>40;
p[1] = x>>32;
p[2] = x>>24;
p[3] = x>>16;
p[4] = x>>8;
p[5] = x;
}
void
vtPutUint64(uchar *p, uvlong x)
{
p[0] = x>>56;
p[1] = x>>48;
p[2] = x>>40;
p[3] = x>>32;
p[4] = x>>24;
p[5] = x>>16;
p[6] = x>>8;
p[7] = x;
}