gen.h revision 98121
1/* 2 * Copyright (c) 2000-2002 Sendmail, 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 1.22 2002/04/03 00:40:42 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 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# endif 62# endif /* SM_CONF_STDBOOL_H */ 63 64/* 65** Define SM_MAX and SM_MIN 66*/ 67 68# define SM_MAX(a, b) ((a) > (b) ? (a) : (b)) 69# define SM_MIN(a, b) ((a) < (b) ? (a) : (b)) 70 71/* Define SM_SUCCESS and SM_FAILURE */ 72# define SM_SUCCESS 0 73# define SM_FAILURE (-1) 74 75/* XXX This needs to be fixed when we start to use threads: */ 76typedef int SM_ATOMIC_INT_T; 77typedef unsigned int SM_ATOMIC_UINT_T; 78 79#endif /* SM_GEN_H */ 80