conf.h

早期freebsd实现

#ifdef __bsdi__
# define HASUNSETENV	1	/* has the unsetenv(3) call */
# define HASSETSID	1	/* has the setsid(2) POSIX syscall */
# include <sys/cdefs.h>
# define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
# define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
# ifndef LA_TYPE
#  define LA_TYPE	LA_SUBR
# endif
# if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312
			/* version 1.1 or later */
#  define HASSETPROCTITLE 1	/* setproctitle is in libc */
#  undef SETPROCTITLE		/* so don't redefine it in conf.c */
# else
			/* version 1.0 or earlier */
#  ifndef OLD_NEWDB
#   define OLD_NEWDB	1	/* old version of newdb library */
#  endif
# endif
#endif



/*
**  386BSD / FreeBSD 1.0E / NetBSD (all architectures, all versions)
**
**  4.3BSD clone, closer to 4.4BSD
**
**	See also BSD defines.
*/

#if defined(__386BSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
# define HASUNSETENV	1	/* has unsetenv(3) call */
# define HASSETSID	1	/* has the setsid(2) POSIX syscall */
# ifdef __NetBSD__
#  define HASUNAME	1	/* has uname(2) syscall */
# endif
# include <sys/cdefs.h>
# define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
# ifndef LA_TYPE
#  define LA_TYPE	LA_SUBR
# endif
# define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
#endif


/*
**  Mach386
**
**	For mt Xinu's Mach386 system.
*/

#if defined(MACH) && defined(i386)
# define MACH386	1
# define HASUNSETENV	1	/* has unsetenv(3) call */
# define HASINITGROUPS	1	/* has initgroups(3) call */
# ifndef HASFLOCK
#  define HASFLOCK	1	/* has flock(2) call */
# endif
# define NEEDGETOPT	1	/* need a replacement for getopt(3) */
# define NEEDSTRTOL	1	/* need the strtol() function */
# define setpgid	setpgrp
# ifndef LA_TYPE
#  define LA_TYPE	LA_FLOAT
# endif
# define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
# undef HASSETVBUF		/* don't actually have setvbuf(3) */
# undef WEXITSTATUS
# undef WIFEXITED
# ifndef _PATH_SENDMAILCF
#  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
# endif
# ifndef _PATH_SENDMAILPID
#  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
# endif
#endif


/*
**  4.3 BSD -- this is for very old systems
**
**	Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1.
**
**	You'll also have to install a new resolver library.
**	I don't guarantee that support for this environment is complete.
*/

#if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd)
# define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
# define NEEDGETOPT	1	/* need a replacement for getopt(3) */
# define ARBPTR_T	char *
# define setpgid	setpgrp
# ifndef LA_TYPE
#  define LA_TYPE	LA_FLOAT
# endif
# ifndef _PATH_SENDMAILCF
#  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
# endif
# ifndef IDENTPROTO
#  define IDENTPROTO	0	/* TCP/IP implementation is broken */
# endif
# undef WEXITSTATUS
# undef WIFEXITED
typedef short		pid_t;
extern int		errno;
#endif


/*
**  SCO Unix
**
**	This includes two parts -- the first is for SCO Open Server 3.2v4
**	(contributed by Philippe Brand <[e-mail]>).
**	The second is, I believe, for an older version.
*/

#ifdef _SCO_unix_4_2
# define _SCO_unix_
# define HASSETREUID	1	/* has setreuid(2) call */
# define NEEDFSYNC	1	/* needs the fsync(2) call stub */
# define _PATH_UNIX	"/unix"
# ifndef _PATH_SENDMAILCF
#  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
# endif
# ifndef _PATH_SENDMAILPID
#  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
# endif
#endif

#ifdef _SCO_unix_
# define SYSTEM5	1	/* include all the System V defines */
# define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
# define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
# define FORK		fork
# define MAXPATHLEN	PATHSIZE
# define LA_TYPE	LA_SHORT
# define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
# undef NETUNIX			/* no unix domain socket support */
#endif


/*
**  ConvexOS 11.0 and later
**
**	"Todd C. Miller" <[e-mail]> claims this
**	works on 9.1 as well.
*/

#ifdef _CONVEX_SOURCE
# define BSD		1	/* include all the BSD defines */
# define HASUNAME	1	/* use System V uname(2) system call */
# define HASSETSID	1	/* has POSIX setsid(2) call */
# define NEEDGETOPT	1	/* need replacement for getopt(3) */
# define LA_TYPE	LA_FLOAT
# define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
# ifndef _PATH_SENDMAILCF
#  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
# endif
# ifndef S_IREAD
#  define S_IREAD	_S_IREAD
#  define S_IWRITE	_S_IWRITE
#  define S_IEXEC	_S_IEXEC
#  define S_IFMT	_S_IFMT
#  define S_IFCHR	_S_IFCHR
#  define S_IFBLK	_S_IFBLK
# endif
# ifndef IDENTPROTO
#  define IDENTPROTO	0	/* TCP/IP implementation is broken */
# endif
#endif


/*
**  RISC/os 4.52
**
**	Gives a ton of warning messages, but otherwise compiles.
*/

#ifdef RISCOS

# define HASUNSETENV	1	/* has unsetenv(3) call */
# ifndef HASFLOCK
#  define HASFLOCK	1	/* has flock(2) call */
# endif
# define WAITUNION	1	/* use "union wait" as wait argument type */
# define NEEDGETOPT	1	/* need a replacement for getopt(3) */
# define LA_TYPE	LA_INT
# define LA_AVENRUN	"avenrun"
# define _PATH_UNIX	"/unix"
# undef WIFEXITED

# define setpgid	setpgrp

extern int		errno;
typedef int		pid_t;
#define			SIGFUNC_DEFINED
typedef int		(*sigfunc_t)();
extern char		*getenv();
extern void		*malloc();

#endif


/*
**  Linux 0.99pl10 and above...
**
**  Thanks to, in reverse order of contact:
**
**	John Kennedy <[e-mail]>
**	Florian La Roche <[e-mail]>
**	Karl London <[e-mail]>
**
**  Last compiled against:	[03/02/94 @ 05:34 PM (Wednesday)]
**	sendmail 8.6.6.b9	named 4.9.2-931205-p1	db-1.73
**	gcc 2.5.8		libc.so.4.5.19
**	slackware 1.1.2		linux 0.99.15
*/

#ifdef __linux__
# define BSD		1	/* include BSD defines */
# define NEEDGETOPT	1	/* need a replacement for getopt(3) */
# define HASUNAME	1	/* use System V uname(2) system call */
# define HASUNSETENV	1	/* has unsetenv(3) call */
# define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
# define GIDSET_T	gid_t	/* from <linux/types.h> */
# ifndef LA_TYPE
#  define LA_TYPE	LA_PROCSTR
# endif
# define SFS_TYPE	SFS_VFS		/* use <sys/vfs.h> statfs() impl */
# include <sys/sysmacros.h>
# undef atol			/* wounded in <stdlib.h> */
#endif


/*
**  DELL SVR4 Issue 2.2, and others
**	From Kimmo Suominen <[e-mail]>
**
**	It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__
**	defined, and the definitions conflict.
**
**	Peter Wemm <[e-mail]> claims that the setreuid
**	trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A
**	(SVR4.0/386 version 3.0).
*/

#ifdef DELL_SVR4
				/* no changes necessary */
				/* see general __svr4__ defines below */
#endif


/*
**  Apple A/UX 3.0
*/

#ifdef _AUX_SOURCE
# include <sys/sysmacros.h>
# define BSD			/* has BSD routines */
# define HASUNAME	1	/* use System V uname(2) system call */
# define HASSETVBUF	1	/* we have setvbuf(3) in libc */
# define SIGFUNC_DEFINED	/* sigfunc_t already defined */
# ifndef IDENTPROTO
#  define IDENTPROTO	0	/* TCP/IP implementation is broken */
# endif
# define FORK		fork
# ifndef _PATH_SENDMAILCF
#  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
# endif
# ifndef LA_TYPE
#  define LA_TYPE	LA_ZERO
# endif
# define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
# undef WIFEXITED
# undef WEXITSTATUS
#endif


/*
**  Encore UMAX V
**
**	Not extensively tested.
*/

#ifdef UMAXV
# include <limits.h>
# define HASUNAME	1	/* use System V uname(2) system call */
# define HASSETVBUF	1	/* we have setvbuf(3) in libc */
# define HASINITGROUPS	1	/* has initgroups(3) call */
# define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
# define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
# define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
# define FORK		fork	/* no vfork(2) primitive available */
# define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
# define MAXPATHLEN	PATH_MAX
extern struct passwd	*getpwent(), *getpwnam(), *getpwuid();
extern struct group	*getgrent(), *getgrnam(), *getgrgid();
# undef WIFEXITED
# undef WEXITSTATUS
#endif


/*
**  Stardent Titan 3000 running TitanOS 4.2.
**
**	Must be compiled in "cc -43" mode.
**
**	From Kate Hedstrom <[e-mail]>.
**
**	Note the tweaking below after the BSD defines are set.
*/

#ifdef titan
# define setpgid	setpgrp
typedef int		pid_t;
# undef WIFEXITED
# undef WEXITSTATUS
#endif


/*
**  Sequent DYNIX 3.2.0
**
**	From Jim Davis <[e-mail]>.
*/

#ifdef sequent

# define BSD		1
# define HASUNSETENV	1
# define BSD4_3		1	/* to get signal() in conf.c */
# define WAITUNION	1
# define LA_TYPE	LA_FLOAT
# ifdef	_POSIX_VERSION
#  undef _POSIX_VERSION		/* set in <unistd.h> */
# endif
# undef HASSETVBUF		/* don't actually have setvbuf(3) */
# define setpgid	setpgrp

/* Have to redefine WIFEXITED to take an int, to work with waitfor() */
# undef	WIFEXITED
# define WIFEXITED(s)	(((union wait*)&(s))->w_stopval != WSTOPPED && \
			 ((union wait*)&(s))->w_termsig == 0)
# define WEXITSTATUS(s)	(((union wait*)&(s))->w_retcode)
typedef int		pid_t;
# define isgraph(c)	(isprint(c) && (c != ' '))

# ifndef IDENTPROTO
#  define IDENTPROTO	0	/* TCP/IP implementation is broken */
# endif

# ifndef _PATH_UNIX
#  define _PATH_UNIX	"/dynix"
# endif
# ifndef _PATH_SENDMAILCF
#  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
# endif

#endif


/*
**  Sequent DYNIX/ptx v2.0 (and higher)
**
**	For DYNIX/ptx v1.x, undefine HASSETREUID.
**
**	From Tim Wright <[e-mail]>.
*/

#ifdef _SEQUENT_
# define SYSTEM5	1	/* include all the System V defines */
# define HASSETSID	1	/* has POSIX setsid(2) call */
# define HASINITGROUPS	1	/* has initgroups(3) call */
# define HASSETREUID	1	/* has setreuid(2) call */
# define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
# define GIDSET_T	gid_t
# define LA_TYPE	LA_INT
# define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
# undef SETPROCTITLE
# ifndef IDENTPROTO
#  define IDENTPROTO	0	/* TCP/IP implementation is broken */
# endif
# ifndef _PATH_SENDMAILCF
#  define _PATH_SENDMAILCF	"/usr/lib/sendmail.cf"
# endif
# ifndef _PATH_SENDMAILPID
#  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
# endif
#endif


/*
**  Cray Unicos
**
**	Ported by David L. Kensiski, Sterling Sofware <[e-mail]>
*/