diff options
Diffstat (limited to 'src/cmd/vac/util.c')
-rw-r--r-- | src/cmd/vac/util.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/cmd/vac/util.c b/src/cmd/vac/util.c new file mode 100644 index 00000000..f52acf60 --- /dev/null +++ b/src/cmd/vac/util.c @@ -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; +} |