File: pack_msb.c

package info (click to toggle)
bglibs 2.04%2Bdfsg-8
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 3,468 kB
  • sloc: ansic: 15,821; perl: 674; sh: 63; makefile: 29
file content (43 lines) | stat: -rw-r--r-- 644 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
#include "uint64.h"
#include "uint32.h"

#ifndef __INLINE_UINT_MSB
void uint64_pack_msb(uint64 u, unsigned char b[4])
{
#ifdef HAS_ULONG64
  b[7] = u & 0xff;
  u >>= 8;
  b[6] = u & 0xff;
  u >>= 8;
  b[5] = u & 0xff;
  u >>= 8;
  b[4] = u & 0xff;
  u >>= 8;
  b[3] = u & 0xff;
  u >>= 8;
  b[2] = u & 0xff;
  u >>= 8;
  b[1] = u & 0xff;
  u >>= 8;
  b[0] = u;
#else
  uint32 hi, lo;
  lo = u;
  b[7] = lo & 0xff;
  lo >>= 8;
  b[6] = lo & 0xff;
  lo >>= 8;
  b[5] = lo & 0xff;
  lo >>= 8;
  b[4] = lo;
  hi = u >> 32;
  b[3] = hi & 0xff;
  hi >>= 8;
  b[2] = hi & 0xff;
  hi >>= 8;
  b[1] = hi & 0xff;
  hi >>= 8;
  b[0] = hi;
#endif
}
#endif