gen.h revision 261363 
1/*
2 * Copyright (c) 2000-2002 Proofpoint, Inc. and its suppliers.
3 *	All rights reserved.
4 *
5 * By using this file, you agree to the terms and conditions set
6 * forth in the LICENSE file which can be found at the top level of
7 * the sendmail distribution.
8 *
9 *	$Id: gen.h,v 1.24 2013/11/22 20:51:31 ca Exp $
10 */
11
12/*
13**  libsm general definitions
14**  See libsm/gen.html for documentation.
15*/
16
17#ifndef SM_GEN_H
18# define SM_GEN_H
19
20# include <sm/config.h>
21# include <sm/cdefs.h>
22# include <sm/types.h>
23
24/*
25**  Define SM_RCSID and SM_IDSTR,
26**  macros used to embed RCS and SCCS identification strings in object files.
27*/
28
29# ifdef lint
30#  define SM_RCSID(str)
31#  define SM_IDSTR(id,str)
32# else /* lint */
33#  define SM_RCSID(str) SM_UNUSED(static const char RcsId[]) = str;
34#  define SM_IDSTR(id,str) SM_UNUSED(static const char id[]) = str;
35# endif /* lint */
36
37/*
38**  Define NULL and offsetof (from the C89 standard)
39*/
40
41# if SM_CONF_STDDEF_H
42#  include <stddef.h>
43# else /* SM_CONF_STDDEF_H */
44#  ifndef NULL
45#   define NULL	0
46#  endif /* ! NULL */
47#  define offsetof(type, member)	((size_t)(&((type *)0)->member))
48# endif /* SM_CONF_STDDEF_H */
49
50/*
51**  Define bool, true, false (from the C99 standard)
52*/
53
54# if SM_CONF_STDBOOL_H
55#  include <stdbool.h>
56# else /* SM_CONF_STDBOOL_H */
57#  ifndef __cplusplus
58    typedef int bool;
59#   define false	0
60#   define true		1
61#   define __bool_true_false_are_defined	1
62#  endif /* ! __cplusplus */
63# endif /* SM_CONF_STDBOOL_H */
64
65/*
66**  Define SM_MAX and SM_MIN
67*/
68
69# define SM_MAX(a, b)	((a) > (b) ? (a) : (b))
70# define SM_MIN(a, b)	((a) < (b) ? (a) : (b))
71
72/* Define SM_SUCCESS and SM_FAILURE */
73# define SM_SUCCESS	0
74# define SM_FAILURE	(-1)
75
76/* XXX This needs to be fixed when we start to use threads: */
77typedef int SM_ATOMIC_INT_T;
78typedef unsigned int SM_ATOMIC_UINT_T;
79
80#endif /* SM_GEN_H */
81