conf.h

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/* SCO UNIX 3.2v4.0 Open Desktop 2.0 and earlier */
#ifdef _SCO_unix_
# include <sys/stream.h>	/* needed for IP_SRCROUTE */
# define SYSTEM5	1	/* include all the System V defines */
# define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
# define NOFTRUNCATE	0	/* has (simulated) ftruncate call */
# define USE_SIGLONGJMP	1	/* sigsetjmp needed for signal handling */
# define MAXPATHLEN	PATHSIZE
# define SFS_TYPE	SFS_4ARGS	/* use <sys/statfs.h> 4-arg impl */
# define SFS_BAVAIL	f_bfree		/* alternate field name */
# define SPT_TYPE	SPT_SCO		/* write kernel u. area */
# define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
# define UID_T		uid_t
# define GID_T		gid_t
# define GIDSET_T	gid_t
# define _PATH_UNIX		"/unix"
# ifndef _PATH_VENDOR_CF
#  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
# endif /* ! _PATH_VENDOR_CF */
# ifndef _PATH_SENDMAILPID
#  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
# endif /* ! _PATH_SENDMAILPID */

/* stuff fixed in later releases */
# ifndef _SCO_unix_4_2
#  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
# endif /* ! _SCO_unix_4_2 */

# ifndef _SCO_DS
#  define ftruncate	chsize	/* use chsize(2) to emulate ftruncate */
#  define NEEDFSYNC	1	/* needs the fsync(2) call stub */
#  define NETUNIX	0	/* no unix domain socket support */
#  define LA_TYPE	LA_SHORT
# endif /* ! _SCO_DS */

#endif /* _SCO_unix_ */


/*
**  ISC (SunSoft) Unix.
**
**	Contributed by J.J. Bailey <[e-mail]>
*/

#ifdef ISC_UNIX
# include <net/errno.h>
# include <sys/stream.h>	/* needed for IP_SRCROUTE */
# include <sys/bsdtypes.h>
# 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 HASSETREUID	1	/* has setreuid(2) call */
# define NEEDFSYNC	1	/* needs the fsync(2) call stub */
# define NETUNIX	0	/* no unix domain socket support */
# define MAXPATHLEN	1024
# define LA_TYPE	LA_SHORT
# define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
# define SFS_BAVAIL	f_bfree		/* alternate field name */
# define _PATH_UNIX		"/unix"
# ifndef _PATH_VENDOR_CF
#  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
# endif /* ! _PATH_VENDOR_CF */
# ifndef _PATH_SENDMAILPID
#  define _PATH_SENDMAILPID	"/etc/sendmail.pid"
# endif /* ! _PATH_SENDMAILPID */
#endif /* ISC_UNIX */


/*
**  Altos System V (5.3.1)
**	Contributed by Tim Rice <[e-mail]>.
*/

#ifdef ALTOS_SYSTEM_V
# include <sys/stream.h>
# include <limits.h>
# 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 WAITUNION	1	/* use "union wait" as wait argument type */
# define NEEDFSYNC	1	/* no fsync(2) in system library */
# define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
# define NOFTRUNCATE	1	/* do not have ftruncate(2) */
# define MAXPATHLEN	PATH_MAX
# define LA_TYPE	LA_SHORT
# define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
# define SFS_BAVAIL	f_bfree		/* alternate field name */
# define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
# define NETUNIX	0	/* no unix domain socket support */
# undef WIFEXITED
# undef WEXITSTATUS
# define strtoul	strtol	/* gcc library bogosity */

typedef unsigned short	uid_t;
typedef unsigned short	gid_t;
typedef short		pid_t;
typedef unsigned long	mode_t;

/* some stuff that should have been in the include files */
extern char		*malloc();
extern struct passwd	*getpwent();
extern struct passwd	*getpwnam();
extern struct passwd	*getpwuid();
extern char		*getenv();
extern struct group	*getgrgid();
extern struct group	*getgrnam();

#endif /* ALTOS_SYSTEM_V */


/*
**  ConvexOS 11.0 and later
**
**	"Todd C. Miller" <[e-mail]> claims this
**	works on 9.1 as well.
**
**  ConvexOS 11.5 and later, should work on 11.0 as defined.
**  For pre-ConvexOOS 11.0, define NEEDGETOPT, undef IDENTPROTO
**
**	Eric Schnoebelen ([e-mail]) For CONVEX Computer Corp.
**		(now the CONVEX Technologies Center of Hewlett Packard)
*/

#ifdef _CONVEX_SOURCE
# define HASGETDTABLESIZE	1	/* has getdtablesize(2) */
# define HASINITGROUPS	1	/* has initgroups(3) */
# define HASUNAME	1	/* use System V uname(2) system call */
# define HASSETSID	1	/* has POSIX setsid(2) call */
# define HASUNSETENV	1	/* has unsetenv(3) */
# define HASFLOCK	1	/* has flock(2) */
# define HASSETRLIMIT	1	/* has setrlimit(2) */
# define HASSETREUID	1	/* has setreuid(2) */
# define BROKEN_RES_SEARCH	1	/* res_search(unknown) returns h_error=0 */
# define NEEDPUTENV	1	/* needs putenv (written in terms of setenv) */
# define NEEDGETOPT	0	/* need replacement for getopt(3) */
# define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
# define LA_TYPE	LA_FLOAT
# define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
# ifndef _PATH_VENDOR_CF
#  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
# endif /* ! _PATH_VENDOR_CF */
# 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 /* ! S_IREAD */
# ifndef TZ_TYPE
#  define TZ_TYPE	TZ_TIMEZONE
# endif /* ! TZ_TYPE */
# ifndef IDENTPROTO
#  define IDENTPROTO	1
# endif /* ! IDENTPROTO */
# ifndef SHARE_V1
#  define SHARE_V1	1	/* version 1 of the fair share scheduler */
# endif /* ! SHARE_V1 */
# if !defined(__GNUC__ )
#  define UID_T	int		/* GNUC gets it right, ConvexC botches */
#  define GID_T	int		/* GNUC gets it right, ConvexC botches */
# endif /* !defined(__GNUC__ ) */
# if SECUREWARE
#  define FORK	fork		/* SecureWare wants the real fork! */
# else /* SECUREWARE */
#  define FORK	vfork		/* the rest of the OS versions don't care */
# endif /* SECUREWARE */
#endif /* _CONVEX_SOURCE */


/*
**  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 /* ! HASFLOCK */
# define WAITUNION	1	/* use "union wait" as wait argument type */
# define NEEDGETOPT	1	/* need a replacement for getopt(3) */
# define NEEDPUTENV	1	/* need putenv(3) call */
# define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
# define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
# define LA_TYPE	LA_INT
# define LA_AVENRUN	"avenrun"
# define _PATH_UNIX	"/unix"
# undef WIFEXITED

# define setpgid	setpgrp

typedef int		pid_t;
# define SIGFUNC_DEFINED
# define SIGFUNC_RETURN	(0)
# define SIGFUNC_DECL	int
typedef int		(*sigfunc_t)();
extern char		*getenv();
extern void		*malloc();

/* added for RISC/os 4.01...which is dumber than 4.50 */
# ifdef RISCOS_4_0
#  ifndef ARBPTR_T
#   define ARBPTR_T	char *
#  endif /* ! ARBPTR_T */
#  undef HASFLOCK
#  define HASFLOCK	0
# endif /* RISCOS_4_0 */

# include <sys/time.h>

#endif /* RISCOS */


/*
**  Linux 0.99pl10 and above...
**
**  Thanks to, in reverse order of contact:
**
**	John Kennedy <[e-mail]>
**	Andrew Pam <[e-mail]>
**	Florian La Roche <[e-mail]>
**	Karl London <[e-mail]>
**
**  Last compiled against:	[07/21/98 @ 11:47:34 AM (Tuesday)]
**	sendmail 8.9.1		bind-8.1.2		db-2.4.14
**	gcc-2.8.1		glibc-2.0.94		linux-2.1.109
**
**  NOTE: Override HASFLOCK as you will but, as of 1.99.6, mixed-style
**	file locking is no longer allowed.  In particular, make sure
**	your DBM library and sendmail are both using either flock(2)
**	*or* fcntl(2) file locking, but not both.
*/

#ifdef __linux__
# include <linux/version.h>
# if !defined(KERNEL_VERSION)	/* not defined in 2.0.x kernel series */
#  define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
# endif /* KERNEL_VERSION */
# define BSD		1	/* include BSD defines */
# define USESETEUID	0	/* Have it due to POSIX, but doesn't work */
# 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 */
# ifndef HASSNPRINTF
#  define HASSNPRINTF	1	/* has snprintf(3) and vsnprintf(3) */
# endif /* ! HASSNPRINTF */
# define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
# define GIDSET_T	gid_t	/* from <linux/types.h> */
# define HASGETUSERSHELL 0	/* getusershell(3) broken in Slackware 2.0 */
# ifndef IP_SRCROUTE
#  define IP_SRCROUTE	0	/* linux <= 1.2.8 doesn't support IP_OPTIONS */
# endif /* ! IP_SRCROUTE */
# ifndef HAS_IN_H
#  define HAS_IN_H	1	/* use netinet/in.h */
# endif /* ! HAS_IN_H */
# define USE_SIGLONGJMP	1	/* sigsetjmp needed for signal handling */
# ifndef HASFLOCK
#  if LINUX_VERSION_CODE < 66399
#   define HASFLOCK	0	/* flock(2) is broken after 0.99.13 */
#  else /* LINUX_VERSION_CODE < 66399 */
#   define HASFLOCK	1	/* flock(2) fixed after 1.3.95 */
#  endif /* LINUX_VERSION_CODE < 66399 */
# endif /* ! HASFLOCK */
# ifndef LA_TYPE
#  define LA_TYPE	LA_PROCSTR
# endif /* ! LA_TYPE */
# define SFS_TYPE	SFS_VFS		/* use <sys/vfs.h> statfs() impl */
# define SPT_PADCHAR	'\0'		/* pad process title with nulls */
# if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0))
#  ifndef HASURANDOMDEV
#   define HASURANDOMDEV 1	/* 2.0 (at least) has linux/drivers/char/random.c */
#  endif /* ! HASURANDOMDEV */
# endif /* LINUX_VERSION_CODE */
# ifndef TZ_TYPE
#  define TZ_TYPE	TZ_NONE		/* no standard for Linux */
# endif /* ! TZ_TYPE */
# ifndef _PATH_SENDMAILPID
#  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
# endif /* ! _PATH_SENDMAILPID */
# include <sys/sysmacros.h>
# undef atol			/* wounded in <stdlib.h> */
# if NETINET6
   /*
   **  Linux doesn't have a good way to tell userland what interfaces are
   **  IPv6-capable.  Therefore, the BIND resolver can not determine if there
   **  are IPv6 interfaces to honor AI_ADDRCONFIG.  Unfortunately, it assumes
   **  that none are present.  (Excuse the macro name ADDRCONFIG_IS_BROKEN.)
   */
#  define ADDRCONFIG_IS_BROKEN	1

   /*
   **  Indirectly included from glibc's <feature.h>.  IPv6 support is native
   **  in 2.1 and later, but the APIs appear before the functions.
   */
#  if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
#   define GLIBC_VERSION ((__GLIBC__ << 8) + __GLIBC_MINOR__)
#   if (GLIBC_VERSION >= 0x201)
#    undef IPPROTO_ICMPV6	/* linux #defines, glibc enums */
#   else /* (GLIBC_VERSION >= 0x201) */
#    include <linux/in6.h>	/* IPv6 support */
#   endif /* (GLIBC_VERSION >= 0x201) */
#   if (GLIBC_VERSION == 0x201 && !defined(NEEDSGETIPNODE))
     /* Have APIs in <netdb.h>, but no support in glibc */
#    define NEEDSGETIPNODE	1
#   endif /* (GLIBC_VERSION == 0x201 && ! NEEDSGETIPNODE) */
#   undef GLIBC_VERSION
#  endif /* defined(__GLIBC__) && defined(__GLIBC_MINOR__) */
# endif /* NETINET6 */
# ifndef HASFCHOWN
#  define HASFCHOWN	1	/* fchown(2) */
# endif /* ! HASFCHOWN */
#endif /* __linux__ */


/*
**  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 /* DELL_SVR4 */


/*
**  Apple A/UX 3.0
*/

#ifdef _AUX_SOURCE
# include <sys/sysmacros.h>
# define BSD			/* has BSD routines */
# define HASSETRLIMIT	0	/* ... but not setrlimit(2) */
# define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
# define BOGUS_O_EXCL	1	/* exclusive open follows symlinks */
# define HASUNAME	1	/* use System V uname(2) system call */
# define HASFCHMOD	1	/* has fchmod(2) syscall */
# define HASINITGROUPS	1	/* has initgroups(3) call */
# define HASSETVBUF	1	/* has setvbuf(3) in libc */
# define HASSTRERROR	1	/* has strerror(3) */
# define SIGFUNC_DEFINED	/* sigfunc_t already defined */
# define SIGFUNC_RETURN		/* POSIX-mode */
# define SIGFUNC_DECL	void	/* POSIX-mode */
# define ERRLIST_PREDEFINED	1
# ifndef IDENTPROTO
#  define IDENTPROTO	0	/* TCP/IP implementation is broken */
# endif /* ! IDENTPROTO */
# ifndef LA_TYPE
#  define LA_TYPE	LA_INT
#  define FSHIFT	16
# endif /* ! LA_TYPE */
# define LA_AVENRUN	"avenrun"
# define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
# define TZ_TYPE	TZ_TZNAME
# ifndef _PATH_UNIX
#  define _PATH_UNIX		"/unix"		/* should be in <paths.h> */
# endif /* ! _PATH_UNIX */
# ifndef _PATH_VENDOR_CF
#  define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
# endif /* ! _PATH_VENDOR_CF */
# undef WIFEXITED
# undef WEXITSTATUS
#endif /* _AUX_SOURCE */


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

#ifdef UMAXV
# define HASUNAME	1	/* use System V uname(2) system call */