File: in.h

package info (click to toggle)
syslinux 2%3A3.71%2Bdfsg-5
  • links: PTS, VCS
  • area: main
  • in suites: lenny
  • size: 18,336 kB
  • ctags: 49,435
  • sloc: ansic: 188,623; asm: 12,943; pascal: 7,861; perl: 3,446; makefile: 1,968; sh: 771; python: 470; java: 324; xml: 14; php: 4
file content (47 lines) | stat: -rw-r--r-- 924 bytes parent folder | download
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
44
45
46
47
#ifndef _NETINET_IN_H
#define _NETINET_IN_H

/* COM32 will be running on an i386 platform */

#include <stdint.h>

static inline uint16_t __htons(uint16_t v)
{
  return ((v) << 8) | ((v) >> 8);
}

#define htons(x) __htons(x)
#define ntohs(x) __htons(x)

static inline uint32_t __htonl(uint32_t v)
{
  if ( __builtin_constant_p(v) ) {
    return (((v) & 0x000000ff) << 24) |
      (((v) & 0x0000ff00) << 8) |
      (((v) & 0x00ff0000) >> 8) |
      (((v) & 0xff000000) >> 24);
  } else {
    asm("xchgb %h0,%b0 ; roll $16,%0 ; xchgb %h0,%b0" : "+abcd" (v));
    return v;
  }
}

#define htonl(x) __htonl(x)
#define ntohl(x) __htonl(x)

static inline uint64_t __htonq(uint64_t v)
{
  return ((uint64_t) __htonl(v) << 32) | __htonl(v >> 32);
}

#define htonq(x) __htonq(x)
#define ntohq(x) __htonq(x)

typedef uint32_t in_addr_t;
typedef uint16_t in_port_t;

struct in_addr {
  in_addr_t s_addr;
};

#endif /* _NETINET_IN_H */