ntp_types.h revision 1.1.1.2 
1/*	$NetBSD: ntp_types.h,v 1.1.1.2 2012/01/31 21:23:24 kardel Exp $	*/
2
3/*
4 *  ntp_types.h - defines how int32 and u_int32 are treated.
5 *  For 64 bit systems like the DEC Alpha, they have to be defined
6 *  as int and u_int.
7 *  For 32 bit systems, define them as long and u_long
8 */
9#ifndef NTP_TYPES_H
10#define NTP_TYPES_H
11
12#include <sys/types.h>
13#include "ntp_machine.h"
14
15#ifndef TRUE
16# define	TRUE	1
17#endif
18#ifndef FALSE
19# define	FALSE	0
20#endif
21
22/*
23 * This is another naming conflict.
24 * On NetBSD for MAC the macro "mac" is defined as 1
25 * this is fun for us as a packet structure contains an
26 * optional "mac" member - severe confusion results 8-)
27 * As we hopefully do not have to rely on that macro we
28 * just undefine that.
29 */
30#ifdef mac
31#undef mac
32#endif
33
34/*
35 * used to quiet compiler warnings
36 */
37#ifndef UNUSED_ARG
38#define UNUSED_ARG(arg)	((void)(arg))
39#endif
40
41/*
42 * COUNTOF(array) - size of array in elements
43 */
44#define COUNTOF(arr)	(sizeof(arr) / sizeof((arr)[0]))
45
46/*
47 * VMS DECC (v4.1), {u_char,u_short,u_long} are only in SOCKET.H,
48 *			and u_int isn't defined anywhere
49 */
50#if defined(VMS)
51#include <socket.h>
52typedef unsigned int u_int;
53/*
54 * Note: VMS DECC has  long == int  (even on __alpha),
55 *	 so the distinction below doesn't matter
56 */
57#endif /* VMS */
58
59#if (SIZEOF_INT == 4)
60# ifndef int32
61#  define int32 int
62#  ifndef INT32_MIN
63#   define INT32_MIN INT_MIN
64#  endif
65#  ifndef INT32_MAX
66#   define INT32_MAX INT_MAX
67#  endif
68# endif
69# ifndef u_int32
70#  define u_int32 unsigned int
71#  ifndef U_INT32_MAX
72#   define U_INT32_MAX UINT_MAX
73#  endif
74# endif
75#else /* not sizeof(int) == 4 */
76# if (SIZEOF_LONG == 4)
77#  ifndef int32
78#   define int32 long
79#   ifndef INT32_MIN
80#    define INT32_MIN LONG_MIN
81#   endif
82#   ifndef INT32_MAX
83#    define INT32_MAX LONG_MAX
84#   endif
85#  endif
86#  ifndef u_int32
87#   define u_int32 unsigned long
88#   ifndef U_INT32_MAX
89#    define U_INT32_MAX ULONG_MAX
90#   endif
91#  endif
92# else /* not sizeof(long) == 4 */
93#  include "Bletch: what's 32 bits on this machine?"
94# endif /* not sizeof(long) == 4 */
95#endif /* not sizeof(int) == 4 */
96
97typedef u_char		ntp_u_int8_t;
98typedef u_short		ntp_u_int16_t;
99typedef u_int32		ntp_u_int32_t;
100
101typedef struct ntp_uint64_t { u_int32 val[2]; } ntp_uint64_t;
102
103typedef unsigned short associd_t; /* association ID */
104typedef u_int32 keyid_t;	/* cryptographic key ID */
105typedef u_int32 tstamp_t;	/* NTP seconds timestamp */
106
107/*
108 * On Unix struct sock_timeval is equivalent to struct timeval.
109 * On Windows built with 64-bit time_t, sock_timeval.tv_sec is a long
110 * as required by Windows' socket() interface timeout argument, while
111 * timeval.tv_sec is time_t for the more common use as a UTC time
112 * within NTP.
113 */
114#ifndef SYS_WINNT
115#define	sock_timeval	timeval
116#endif
117
118/*
119 * On Unix open() works for tty (serial) devices just fine, while on
120 * Windows refclock serial devices are opened using CreateFile, a lower
121 * level than the CRT-provided descriptors, because the C runtime lacks
122 * tty APIs.  For refclocks which wish to use open() as well as or
123 * instead of refclock_open(), tty_open() is equivalent to open() on
124 * Unix and  implemented in the Windows port similarly to
125 * refclock_open().
126 */
127#ifndef SYS_WINNT
128#define tty_open(f, a, m)	open(f, a, m)
129#endif
130
131
132#endif	/* NTP_TYPES_H */
133