xref: /freebsd/contrib/sendmail/include/sm/conf.h (revision 6af83ee0d2941d18880b6aaa2b4facd1d30c6106)
1 /*
2  * Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers.
3  *	All rights reserved.
4  * Copyright (c) 1983, 1995-1997 Eric P. Allman.  All rights reserved.
5  * Copyright (c) 1988, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * By using this file, you agree to the terms and conditions set
9  * forth in the LICENSE file which can be found at the top level of
10  * the sendmail distribution.
11  *
12  *
13  *	$Id: conf.h,v 1.118 2004/08/20 20:30:32 ca Exp $
14  */
15 
16 /*
17 **  CONF.H -- All user-configurable parameters for sendmail
18 **
19 **	Send updates to sendmail@Sendmail.ORG so they will be
20 **	included in the next release.
21 */
22 
23 #ifndef SM_CONF_H
24 # define SM_CONF_H 1
25 
26 
27 # include <sm/config.h>
28 # include <sm/varargs.h>
29 
30 /*
31 **  General "standard C" defines.
32 **
33 **	These may be undone later, to cope with systems that claim to
34 **	be Standard C but aren't.  Gcc is the biggest offender -- it
35 **	doesn't realize that the library is part of the language.
36 **
37 **	Life would be much easier if we could get rid of this sort
38 **	of bozo problems.
39 */
40 
41 # ifdef __STDC__
42 #  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
43 # endif /* __STDC__ */
44 
45 /*
46 **  Assume you have standard calls; can be #undefed below if necessary.
47 */
48 
49 # ifndef HASLSTAT
50 #  define HASLSTAT	1	/* has lstat(2) call */
51 # endif /* ! HASLSTAT */
52 
53 # ifndef HASNICE
54 #  define HASNICE	1	/* has nice(2) call */
55 # endif /* ! HASNICE */
56 
57 # ifndef HASRRESVPORT
58 #  define HASRRESVPORT	1	/* has rrsevport(3) call */
59 # endif /* ! HASRRESVPORT */
60 
61 /**********************************************************************
62 **  "Hard" compilation options.
63 **	#define these if they are available; comment them out otherwise.
64 **  These cannot be overridden from the Makefile, and should really not
65 **  be turned off unless absolutely necessary.
66 **********************************************************************/
67 
68 #define LOG		1	/* enable logging -- don't turn off */
69 
70 /**********************************************************************
71 **  Operating system configuration.
72 **
73 **	Unless you are porting to a new OS, you shouldn't have to
74 **	change these.
75 **********************************************************************/
76 
77 /*
78 **  HP-UX -- tested for 8.07, 9.00, and 9.01.
79 **
80 **	If V4FS is defined, compile for HP-UX 10.0.
81 **	11.x support from Richard Allen <ra@hp.is>.
82 */
83 
84 # ifdef __hpux
85 		/* common definitions for HP-UX 9.x and 10.x */
86 #  undef m_flags		/* conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h on HP 300 */
87 #  define SYSTEM5	1	/* include all the System V defines */
88 #  define HASINITGROUPS	1	/* has initgroups(3) call */
89 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
90 #  define USESETEUID	1	/* has usable seteuid(2) call */
91 #  define HASSETRESGID	1	/* use setresgid(2) to set saved gid */
92 #  define BOGUS_O_EXCL	1	/* exclusive open follows symlinks */
93 #  define seteuid(e)	setresuid(-1, e, -1)
94 #  define IP_SRCROUTE	1	/* can check IP source routing */
95 #  define LA_TYPE	LA_HPUX
96 #  define SPT_TYPE	SPT_PSTAT
97 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
98 #  define GIDSET_T	gid_t
99 #  define LDA_USE_LOCKF	1
100 #  ifndef HASGETUSERSHELL
101 #   define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
102 #  endif /* ! HASGETUSERSHELL */
103 #  ifdef HPUX10
104 #   define _PATH_SENDMAIL	"/usr/sbin/sendmail"
105 #   ifndef SMRSH_CMDDIR
106 #    define SMRSH_CMDDIR	"/var/adm/sm.bin"
107 #   endif /* ! SMRSH_CMDDIR */
108 #  endif /* HPUX10 */
109 #  ifdef HPUX11
110 #   define HASSETREUID	1	/* setreuid(2) works on HP-UX 11.x */
111 #   define HASFCHOWN	1	/* has fchown(2) */
112 #   ifndef BROKEN_RES_SEARCH
113 #    define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
114 #   endif /* ! BROKEN_RES_SEARCH */
115 #   ifndef SMRSH_CMDDIR
116 #    define SMRSH_CMDDIR	"/var/adm/sm.bin"
117 #   endif /* ! SMRSH_CMDDIR */
118 #   define _PATH_SENDMAIL	"/usr/sbin/sendmail"
119 #  else /* HPUX11 */
120 #   ifndef NOT_SENDMAIL
121 #    define syslog	hard_syslog
122 #   endif /* ! NOT_SENDMAIL */
123 #  endif /* HPUX11 */
124 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
125 
126 #  ifdef V4FS
127 		/* HP-UX 10.x */
128 #   define _PATH_UNIX		"/stand/vmunix"
129 #   ifndef _PATH_VENDOR_CF
130 #    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
131 #   endif /* ! _PATH_VENDOR_CF */
132 #   ifndef _PATH_SENDMAILPID
133 #    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
134 #   endif /* ! _PATH_SENDMAILPID */
135 #   ifndef IDENTPROTO
136 #    define IDENTPROTO	1	/* TCP/IP implementation fixed in 10.0 */
137 #   endif /* ! IDENTPROTO */
138 #   include <sys/mpctl.h>	/* for mpctl() in get_num_procs_online() */
139 #  else /* V4FS */
140 		/* HP-UX 9.x */
141 #   define _PATH_UNIX		"/hp-ux"
142 #   ifndef _PATH_VENDOR_CF
143 #    define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
144 #   endif /* ! _PATH_VENDOR_CF */
145 #   ifndef IDENTPROTO
146 #    define IDENTPROTO	0	/* TCP/IP implementation is broken */
147 #   endif /* ! IDENTPROTO */
148 #   ifdef __STDC__
149 extern void	hard_syslog(int, char *, ...);
150 #   else /* __STDC__ */
151 extern void	hard_syslog();
152 #   endif /* __STDC__ */
153 #   define FDSET_CAST	(int *)	/* cast for fd_set parameters to select */
154 #  endif /* V4FS */
155 
156 # endif /* __hpux */
157 
158 /*
159 **  IBM AIX 5.x
160 */
161 
162 # ifdef _AIX5
163 #  define _AIX4		40300
164 #  if _AIX5 >= 50200
165 #   define HASUNSETENV	1	/* has unsetenv(3) call */
166 #  endif /* _AIX5 >= 50200 */
167 # endif /* _AIX5 */
168 
169 /*
170 **  IBM AIX 4.x
171 */
172 
173 # ifdef _AIX4
174 #  define _AIX3		1	/* pull in AIX3 stuff */
175 #  define BSD4_4_SOCKADDR	/* has sa_len */
176 #  define USESETEUID	1	/* seteuid(2) works */
177 #  define TZ_TYPE	TZ_NAME	/* use tzname[] vector */
178 #  define SOCKOPT_LEN_T	size_t	/* arg#5 to getsockopt */
179 #  if _AIX4 >= 40200
180 #   define HASSETREUID	1	/* setreuid(2) works as of AIX 4.2 */
181 #   define SOCKADDR_LEN_T	size_t	/* e.g., arg#3 to accept, getsockname */
182 #  endif /* _AIX4 >= 40200 */
183 #  if defined(_ILS_MACROS)	/* IBM versions aren't side-effect clean */
184 #   undef isascii
185 #   define isascii(c)		!(c & ~0177)
186 #   undef isdigit
187 #   define isdigit(__a)		(_IS(__a,_ISDIGIT))
188 #   undef isspace
189 #   define isspace(__a)		(_IS(__a,_ISSPACE))
190 #  endif /* defined(_ILS_MACROS) */
191 # endif /* _AIX4 */
192 
193 
194 /*
195 **  IBM AIX 3.x -- actually tested for 3.2.3
196 */
197 
198 # ifdef _AIX3
199 #  include <paths.h>
200 #  include <sys/machine.h>	/* to get byte order */
201 #  include <sys/select.h>
202 #  define HASFCHOWN	1	/* has fchown(2) */
203 #  define HASINITGROUPS	1	/* has initgroups(3) call */
204 #  define HASUNAME	1	/* use System V uname(2) system call */
205 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
206 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
207 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
208 #  define GIDSET_T	gid_t
209 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
210 #  define SPT_PADCHAR	'\0'	/* pad process title with nulls */
211 #  define LA_TYPE	LA_INT
212 #  define FSHIFT	16
213 #  define LA_AVENRUN	"avenrun"
214 #  if !defined(_AIX4) || _AIX4 < 40300
215 #   ifndef __BIT_TYPES_DEFINED__
216 #    define SM_INT32	int
217 #   endif /* __BIT_TYPES_DEFINED__ */
218 #  endif /* !defined(_AIX4) || _AIX4 < 40300 */
219 #  if !defined(_AIX4) || _AIX4 < 40200
220 #   define SM_CONF_SYSLOG	0
221 #  endif /* !defined(_AIX4) || _AIX4 < 40200 */
222 # endif /* _AIX3 */
223 
224 
225 /*
226 **  IBM AIX 2.2.1 -- actually tested for osupdate level 2706+1773
227 **
228 **	From Mark Whetzel <markw@wg.waii.com>.
229 */
230 
231 # ifdef AIX			/* AIX/RT compiler pre-defines this */
232 #  include <paths.h>
233 #  include <sys/time.h>		/* AIX/RT resource.h does NOT include this */
234 #  define HASINITGROUPS	1	/* has initgroups(3) call */
235 #  define HASUNAME	1	/* use System V uname(2) system call */
236 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
237 #  define HASFCHMOD	0	/* does not have fchmod(2) syscall */
238 #  define HASSETREUID	1	/* use setreuid(2) -lbsd system call */
239 #  define HASSETVBUF	1	/* use setvbuf(2) system call */
240 #  define HASSETRLIMIT	0	/* does not have setrlimit call */
241 #  define HASFLOCK	0	/* does not have flock call - use fcntl */
242 #  define HASULIMIT	1	/* use ulimit instead of setrlimit call */
243 #  define SM_CONF_GETOPT	0	/* Do we need theirs or ours */
244 #  define SYS5SETPGRP	1	/* don't have setpgid on AIX/RT */
245 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
246 #  define BSD4_3		1	/* NOT bsd 4.4 or posix signals */
247 #  define GIDSET_T	int
248 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
249 #  define SPT_PADCHAR	'\0'		/* pad process title with nulls */
250 #  define LA_TYPE	LA_SUBR		/* use our ported loadavgd daemon */
251 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
252 #  define ARBPTR_T	int *
253 #  define void		int
254 typedef int		pid_t;
255 /* RTisms for BSD compatibility, specified in the Makefile
256   define BSD		1
257   define BSD_INCLUDES		1
258   define BSD_REMAP_SIGNAL_TO_SIGVEC
259     RTisms needed above */
260 /* make this sendmail in a completely different place */
261 #  ifndef _PATH_VENDOR_CF
262 #   define _PATH_VENDOR_CF	"/usr/local/newmail/sendmail.cf"
263 #  endif /* ! _PATH_VENDOR_CF */
264 #  ifndef _PATH_SENDMAILPID
265 #   define _PATH_SENDMAILPID	"/usr/local/newmail/sendmail.pid"
266 #  endif /* ! _PATH_SENDMAILPID */
267 # endif /* AIX */
268 
269 # if defined(_AIX)
270 #  define LDA_USE_LOCKF		1
271 #  define LDA_USE_SETEUID	1
272 # endif /* defined(_AIX) */
273 
274 /*
275 **  Silicon Graphics IRIX
276 **
277 **	Compiles on 4.0.1.
278 **
279 **	Use IRIX64 instead of IRIX for 64-bit IRIX (6.0).
280 **	Use IRIX5 instead of IRIX for IRIX 5.x.
281 **
282 **	IRIX64 changes from Mark R. Levinson <ml@cvdev.rochester.edu>.
283 **	IRIX5 changes from Kari E. Hurtta <Kari.Hurtta@fmi.fi>.
284 */
285 
286 # ifdef IRIX
287 #  define SYSTEM5	1	/* this is a System-V derived system */
288 #  define HASSETREUID	1	/* has setreuid(2) call */
289 #  define HASINITGROUPS	1	/* has initgroups(3) call */
290 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
291 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
292 #  define IP_SRCROUTE	1	/* can check IP source routing */
293 #  define setpgid	BSDsetpgrp
294 #  define GIDSET_T	gid_t
295 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
296 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
297 #  define SYSLOG_BUFSIZE 512
298 #  if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN)
299     /* _SC_NPROC_ONLN is 'mpadmin -u', total # of unrestricted processors */
300 #   define _SC_NPROCESSORS_ONLN	_SC_NPROC_ONLN
301 #  endif /* if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN) */
302 #  ifdef IRIX6
303 #   define STAT64	1
304 #   define QUAD_T	unsigned long long
305 #   define LA_TYPE	LA_IRIX6	/* figure out at run time */
306 #   define SAFENFSPATHCONF 0	/* pathconf(2) lies on NFS filesystems */
307 #  else /* IRIX6 */
308 #   define LA_TYPE	LA_INT
309 
310 #   ifdef IRIX64
311 #    define STAT64	1
312 #    define QUAD_T	unsigned long long
313 #    define NAMELISTMASK	0x7fffffffffffffff	/* mask for nlist() values */
314 #   else /* IRIX64 */
315 #    define STAT64	0
316 #    define NAMELISTMASK	0x7fffffff		/* mask for nlist() values */
317 #   endif /* IRIX64 */
318 #  endif /* IRIX6 */
319 #  if defined(IRIX64) || defined(IRIX5) || defined(IRIX6)
320 #   include <sys/cdefs.h>
321 #   include <paths.h>
322 #   define ARGV_T	char *const *
323 #   define HASFCHOWN	1	/* has fchown(2) */
324 #   define HASSETRLIMIT	1	/* has setrlimit(2) syscall */
325 #   define HASGETDTABLESIZE 1	/* has getdtablesize(2) syscall */
326 #   define HASSTRERROR	1	/* has strerror(3) */
327 #  else /* defined(IRIX64) || defined(IRIX5) || defined(IRIX6) */
328 #   define ARGV_T	const char **
329 #   define WAITUNION	1	/* use "union wait" as wait argument type */
330 #  endif /* defined(IRIX64) || defined(IRIX5) || defined(IRIX6) */
331 # endif /* IRIX */
332 
333 
334 /*
335 **  SunOS and Solaris
336 **
337 **	Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and
338 **	Solaris 2.4 (a.k.a. SunOS 5.4).
339 */
340 
341 # if defined(sun) && !defined(BSD)
342 
343 #  include <sys/time.h>
344 #  define HASINITGROUPS	1	/* has initgroups(3) call */
345 #  define HASUNAME	1	/* use System V uname(2) system call */
346 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
347 #  define IP_SRCROUTE	1	/* can check IP source routing */
348 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
349 #  ifndef HASFCHOWN
350 #   define HASFCHOWN	1	/* fchown(2) */
351 #  endif /* ! HASFCHOWN */
352 
353 #  ifdef __svr4__
354 #   define LDA_USE_LOCKF		1
355 #   define LDA_USE_SETEUID	1
356 #   define _PATH_MAILDIR		"/var/mail"
357 #  endif /* __svr4__ */
358 
359 #  ifdef SOLARIS_2_3
360 #   define SOLARIS	20300	/* for back compat only -- use -DSOLARIS=20300 */
361 #  endif /* SOLARIS_2_3 */
362 
363 #  if defined(NOT_SENDMAIL) && !defined(SOLARIS) && defined(sun) && (defined(__svr4__) || defined(__SVR4))
364 #   define SOLARIS	1	/* unknown Solaris version */
365 #  endif /* defined(NOT_SENDMAIL) && !defined(SOLARIS) && defined(sun) && (defined(__svr4__) || defined(__SVR4)) */
366 
367 #  ifdef SOLARIS
368 			/* Solaris 2.x (a.k.a. SunOS 5.x) */
369 #   ifndef __svr4__
370 #    define __svr4__		/* use all System V Release 4 defines below */
371 #   endif /* ! __svr4__ */
372 #   define GIDSET_T	gid_t
373 #   define USE_SA_SIGACTION	1	/* use sa_sigaction field */
374 #   define BROKEN_PTHREAD_SLEEP	1	/* sleep after pthread_create() fails */
375 #   define HASSTRERROR	1	/* has strerror(3) */
376 #   ifndef _PATH_UNIX
377 #    define _PATH_UNIX		"/dev/ksyms"
378 #   endif /* ! _PATH_UNIX */
379 #   ifndef _PATH_VENDOR_CF
380 #    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
381 #   endif /* ! _PATH_VENDOR_CF */
382 #   ifndef _PATH_SENDMAILPID
383 #    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
384 #   endif /* ! _PATH_SENDMAILPID */
385 #   ifndef _PATH_HOSTS
386 #    define _PATH_HOSTS		"/etc/inet/hosts"
387 #   endif /* ! _PATH_HOSTS */
388 #   ifndef SYSLOG_BUFSIZE
389 #    define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
390 #   endif /* ! SYSLOG_BUFSIZE */
391 #   ifndef TZ_TYPE
392 #    define TZ_TYPE	TZ_TZNAME
393 #   endif /* ! TZ_TYPE */
394 #   if SOLARIS >= 20300 || (SOLARIS < 10000 && SOLARIS >= 203)
395 #    define USESETEUID		1	/* seteuid works as of 2.3 */
396 #    define LDA_CONTENTLENGTH	1	/* Needs the Content-Length header */
397 #   endif /* SOLARIS >= 20300 || (SOLARIS < 10000 && SOLARIS >= 203) */
398 #   if SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205)
399 #    define HASSETREUID	1		/* setreuid works as of 2.5 */
400 #    define HASSETREGID	1	/* use setregid(2) to set saved gid */
401 #    if SOLARIS < 207 || (SOLARIS > 10000 && SOLARIS < 20700)
402 #     ifndef LA_TYPE
403 #      define LA_TYPE	LA_KSTAT	/* use kstat(3k) -- may work in < 2.5 */
404 #     endif /* ! LA_TYPE */
405 #     ifndef RANDOMSHIFT		/* random() doesn't work well (sometimes) */
406 #      define RANDOMSHIFT	8
407 #     endif /* ! RANDOMSHIFT */
408 #    endif /* SOLARIS < 207 || (SOLARIS > 10000 && SOLARIS < 20700) */
409 #   else /* SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205) */
410 #    ifndef HASRANDOM
411 #     define HASRANDOM	0		/* doesn't have random(3) */
412 #    endif /* ! HASRANDOM */
413 #   endif /* SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205) */
414 #   if (SOLARIS > 10000 && SOLARIS < 20600) || SOLARIS < 206
415 #    define SM_INT32	int	/* 32bit integer */
416 #   endif /* (SOLARIS > 10000 && SOLARIS < 20600) || SOLARIS < 206 */
417 #   if SOLARIS >= 20700 || (SOLARIS < 10000 && SOLARIS >= 207)
418 #    ifndef LA_TYPE
419 #     include <sys/loadavg.h>
420 #     if SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209)
421 #      include <sys/pset.h>
422 #      define LA_TYPE	LA_PSET	/* pset_getloadavg(3c) appears in 2.9 */
423 #     else /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
424 #      define LA_TYPE	LA_SUBR	/* getloadavg(3c) appears in 2.7 */
425 #     endif /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
426 #    endif /* ! LA_TYPE */
427 #    define HASGETUSERSHELL 1	/* getusershell(3c) bug fixed in 2.7 */
428 #   endif /* SOLARIS >= 20700 || (SOLARIS < 10000 && SOLARIS >= 207) */
429 #   if SOLARIS >= 20800 || (SOLARIS < 10000 && SOLARIS >= 208)
430 #    undef _PATH_SENDMAILPID	/* tmpfs /var/run added in 2.8 */
431 #    define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
432 #    ifndef SMRSH_CMDDIR
433 #     define SMRSH_CMDDIR	"/var/adm/sm.bin"
434 #    endif /* ! SMRSH_CMDDIR */
435 #    define SL_FUDGE	34	/* fudge offset for SyslogPrefixLen */
436 #   endif /* SOLARIS >= 20800 || (SOLARIS < 10000 && SOLARIS >= 208) */
437 #   if SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209)
438 #    define HASURANDOMDEV	1	/* /dev/[u]random added in S9 */
439 #    define HASCLOSEFROM	1	/* closefrom(3c) added in S9 */
440 #    define HASFDWALK		1	/* fdwalk(3c) added in S9 */
441 #   endif /* SOLARIS >= 20900 || (SOLARIS < 10000 && SOLARIS >= 209) */
442 #   if SOLARIS >= 21000 || (SOLARIS < 10000 && SOLARIS >= 210)
443 #    define HASUNSETENV 1       /* unsetenv() added in S10 */
444 #   endif /* SOLARIS >= 21000 || (SOLARIS < 10000 && SOLARIS >= 210) */
445 #   ifndef HASGETUSERSHELL
446 #    define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps pre-2.7 */
447 #   endif /* ! HASGETUSERSHELL */
448 
449 #  else /* SOLARIS */
450 			/* SunOS 4.0.3 or 4.1.x */
451 #   define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
452 #   define HASSETREUID	1	/* has setreuid(2) call */
453 #   ifndef HASFLOCK
454 #    define HASFLOCK	1	/* has flock(2) call */
455 #   endif /* ! HASFLOCK */
456 #   define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
457 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
458 #   include <memory.h>
459 #   include <vfork.h>
460 #   ifdef __GNUC__
461 #    define strtoul	strtol	/* gcc library bogosity */
462 #   endif /* __GNUC__ */
463 #   define memmove(d, s, l)	(bcopy((s), (d), (l)))
464 #   define atexit(f)	on_exit((f), 0)	/* ugly hack for SunOS */
465 #   define SM_INT32	int	/* 32bit integer */
466 #   define SM_ALIGN_SIZE (sizeof(long))
467 #   define GIDSET_T	int
468 #   define SM_CONF_SYSLOG	0
469 
470 #   ifdef SUNOS403
471 			/* special tweaking for SunOS 4.0.3 */
472 #    include <malloc.h>
473 #    define BSD4_3	1	/* 4.3 BSD-based */
474 #    define NEEDSTRSTR	1	/* need emulation of strstr(3) routine */
475 #    define WAITUNION	1	/* use "union wait" as wait argument type */
476 #    undef WIFEXITED
477 #    undef WEXITSTATUS
478 #    undef HASUNAME
479 #    define setpgid	setpgrp
480 #    define MODE_T	int
481 typedef int		pid_t;
482 extern char		*getenv();
483 
484 #   else /* SUNOS403 */
485 			/* 4.1.x specifics */
486 #    define HASSETSID	1	/* has POSIX setsid(2) call */
487 #    define HASSETVBUF	1	/* we have setvbuf(3) in libc */
488 
489 #   endif /* SUNOS403 */
490 #  endif /* SOLARIS */
491 
492 #  ifndef LA_TYPE
493 #   define LA_TYPE	LA_INT
494 #  endif /* ! LA_TYPE */
495 
496 # endif /* defined(sun) && !defined(BSD) */
497 
498 /*
499 **  DG/UX
500 **
501 **	Tested on 5.4.2 and 5.4.3.  Use DGUX_5_4_2 to get the
502 **	older support.
503 **	5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>.
504 */
505 
506 # ifdef DGUX_5_4_2
507 #  define DGUX		1
508 # endif /* DGUX_5_4_2 */
509 
510 # ifdef DGUX
511 #  define SYSTEM5	1
512 #  define LA_TYPE	LA_DGUX
513 #  define HASSETREUID	1	/* has setreuid(2) call */
514 #  define HASUNAME	1	/* use System V uname(2) system call */
515 #  define HASSETSID	1	/* has POSIX setsid(2) call */
516 #  define HASINITGROUPS	1	/* has initgroups(3) call */
517 #  define IP_SRCROUTE	0	/* does not have <netinet/ip_var.h> */
518 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) */
519 #  ifndef IDENTPROTO
520 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
521 #  endif /* ! IDENTPROTO */
522 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
523 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
524 #  define LDA_USE_LOCKF		1
525 
526 /* these include files must be included early on DG/UX */
527 #  include <netinet/in.h>
528 #  include <arpa/inet.h>
529 
530 /* compiler doesn't understand const? */
531 #  define const
532 
533 #  ifdef DGUX_5_4_2
534 #   define inet_addr	dgux_inet_addr
535 extern long	dgux_inet_addr();
536 #  endif /* DGUX_5_4_2 */
537 # endif /* DGUX */
538 
539 
540 /*
541 **  Digital Ultrix 4.2 - 4.5
542 **
543 **	Apparently, fcntl locking is broken on 4.2A, in that locks are
544 **	not dropped when the process exits.  This causes major problems,
545 **	so flock is the only alternative.
546 */
547 
548 # ifdef ultrix
549 #  define HASSETREUID	1	/* has setreuid(2) call */
550 #  define HASUNSETENV	1	/* has unsetenv(3) call */
551 #  define HASINITGROUPS	1	/* has initgroups(3) call */
552 #  define HASUNAME	1	/* use System V uname(2) system call */
553 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
554 #  define HASFCHOWN	1	/* has fchown(2) syscall */
555 #  ifndef HASFLOCK
556 #   define HASFLOCK	1	/* has flock(2) call */
557 #  endif /* ! HASFLOCK */
558 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
559 #  ifndef BROKEN_RES_SEARCH
560 #   define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
561 #  endif /* ! BROKEN_RES_SEARCH */
562 #  if !defined(NEEDLOCAL_HOSTNAME_LENGTH) && NAMED_BIND && __RES >= 19931104 && __RES < 19950621
563 #   define NEEDLOCAL_HOSTNAME_LENGTH	1	/* see sendmail/README */
564 #  endif /* !defined(NEEDLOCAL_HOSTNAME_LENGTH) && NAMED_BIND && __RES >= 19931104 && __RES < 19950621 */
565 #  ifdef vax
566 #   define LA_TYPE	LA_FLOAT
567 #  else /* vax */
568 #   define LA_TYPE	LA_INT
569 #   define LA_AVENRUN	"avenrun"
570 #  endif /* vax */
571 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
572 #  ifndef IDENTPROTO
573 #   define IDENTPROTO	0	/* pre-4.4 TCP/IP implementation is broken */
574 #  endif /* ! IDENTPROTO */
575 #  define SYSLOG_BUFSIZE	256
576 #  define SM_CONF_SYSLOG	0
577 # endif /* ultrix */
578 
579 
580 /*
581 **  OSF/1 for KSR.
582 **
583 **	Contributed by Todd C. Miller <Todd.Miller@cs.colorado.edu>
584 */
585 
586 # ifdef __ksr__
587 #  define __osf__	1	/* get OSF/1 defines below */
588 #  ifndef TZ_TYPE
589 #   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
590 #  endif /* ! TZ_TYPE */
591 # endif /* __ksr__ */
592 
593 
594 /*
595 **  OSF/1 for Intel Paragon.
596 **
597 **	Contributed by Jeff A. Earickson <jeff@ssd.intel.com>
598 **	of Intel Scalable Systems Divison.
599 */
600 
601 # ifdef __PARAGON__
602 #  define __osf__	1	/* get OSF/1 defines below */
603 #  ifndef TZ_TYPE
604 #   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
605 #  endif /* ! TZ_TYPE */
606 #  define GIDSET_T	gid_t
607 #  define MAXNAMLEN	NAME_MAX
608 # endif /* __PARAGON__ */
609 
610 
611 /*
612 **  Tru64 UNIX, formerly known as Digital UNIX, formerly known as DEC OSF/1
613 **
614 **	Tested for 3.2 and 4.0.
615 */
616 
617 # ifdef __osf__
618 #  define HASUNAME	1	/* has uname(2) call */
619 #  define HASUNSETENV	1	/* has unsetenv(3) call */
620 #  define USESETEUID	1	/* has usable seteuid(2) call */
621 #  define HASINITGROUPS	1	/* has initgroups(3) call */
622 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
623 #  define HASFCHOWN	1	/* has fchown(2) syscall */
624 #  define HASSETLOGIN	1	/* has setlogin(2) */
625 #  define IP_SRCROUTE	1	/* can check IP source routing */
626 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
627 #  define GIDSET_T	gid_t
628 #  define SM_INT32	int	/* 32bit integer */
629 #  ifndef HASFLOCK
630 #   include <standards.h>
631 #   if _XOPEN_SOURCE+0 >= 400
632 #    define HASFLOCK	0	/* 5.0 and later has bad flock(2) call */
633 #   else /* _XOPEN_SOURCE+0 >= 400 */
634 #    define HASFLOCK	1	/* has flock(2) call */
635 #   endif /* _XOPEN_SOURCE+0 >= 400 */
636 #  endif /* ! HASFLOCK */
637 #  define LA_TYPE	LA_ALPHAOSF
638 #  define SFS_TYPE	SFS_STATVFS	/* use <sys/statvfs.h> statfs() impl */
639 #  ifndef _PATH_VENDOR_CF
640 #   define _PATH_VENDOR_CF	"/var/adm/sendmail/sendmail.cf"
641 #  endif /* ! _PATH_VENDOR_CF */
642 #  ifndef _PATH_SENDMAILPID
643 #   define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
644 #  endif /* ! _PATH_SENDMAILPID */
645 #  if _FFR_DIGUNIX_SAFECHOWN
646 /*
647 **  Testing on a Digital UNIX 4.0a system showed this to be the correct
648 **  setting but given the security consequences, more testing and
649 **  verification is needed.  Unfortunately, the man page offers no
650 **  assistance.
651 */
652 #   define IS_SAFE_CHOWN >= 0
653 #  endif /* _FFR_DIGUNIX_SAFECHOWN */
654 # endif /* __osf__ */
655 
656 
657 /*
658 **  NeXTstep
659 */
660 
661 # ifdef NeXT
662 #  define HASINITGROUPS	1	/* has initgroups(3) call */
663 #  define NEEDPUTENV	2	/* need putenv(3) call; no setenv(3) call */
664 #  ifndef HASFLOCK
665 #   define HASFLOCK	1	/* has flock(2) call */
666 #  endif /* ! HASFLOCK */
667 #  define UID_T		int	/* compiler gripes on uid_t */
668 #  define GID_T		int	/* ditto for gid_t */
669 #  define MODE_T	int	/* and mode_t */
670 #  define setpgid	setpgrp
671 #  ifndef NOT_SENDMAIL
672 #   define sleep		sleepX
673 #  endif /* ! NOT_SENDMAIL */
674 #  ifndef LA_TYPE
675 #   define LA_TYPE	LA_MACH
676 #  endif /* ! LA_TYPE */
677 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
678 #  ifdef _POSIX_SOURCE
679 extern struct passwd	*getpwent();
680 #  else /* _POSIX_SOURCE */
681 #   define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
682 #   define WAITUNION	1	/* use "union wait" as wait argument type */
683 typedef int		pid_t;
684 #   undef WEXITSTATUS
685 #   undef WIFEXITED
686 #   undef WIFSTOPPED
687 #   undef WTERMSIG
688 #  endif /* _POSIX_SOURCE */
689 #  ifndef _PATH_VENDOR_CF
690 #   define _PATH_VENDOR_CF	"/etc/sendmail/sendmail.cf"
691 #  endif /* ! _PATH_VENDOR_CF */
692 #  ifndef _PATH_SENDMAILPID
693 #   define _PATH_SENDMAILPID	"/etc/sendmail/sendmail.pid"
694 #  endif /* ! _PATH_SENDMAILPID */
695 #  define SM_INT32	int	/* 32bit integer */
696 
697 #  ifdef TCPWRAPPERS
698 #   ifndef HASUNSETENV
699 #    define HASUNSETENV	1
700 #   endif /* ! HASUNSETENV */
701 #   undef NEEDPUTENV
702 #  endif /* TCPWRAPPERS */
703 #  ifndef __APPLE__
704 #   include <libc.h>
705 #   ifndef S_IRUSR
706 #    define S_IRUSR	S_IREAD
707 #   endif /* ! S_IRUSR */
708 #   ifndef S_IWUSR
709 #    define S_IWUSR	S_IWRITE
710 #   endif /* ! S_IWUSR */
711 #   define _PATH_MAILDIR	"/usr/spool/mail"
712 #  endif /* ! __APPLE__ */
713 #  ifndef isascii
714 #   define isascii(c)	((unsigned)(c) <= 0177)
715 #  endif /* ! isascii */
716 # endif /* NeXT */
717 
718 /*
719 **  Apple Darwin
720 **      Contributed by Wilfredo Sanchez <wsanchez@mit.edu>
721 */
722 
723 # if defined(DARWIN)
724 #  define HASFCHMOD		1	/* has fchmod(2) */
725 #  define HASFCHOWN		1	/* has fchown(2) */
726 #  define HASFLOCK		1	/* has flock(2) */
727 #  define HASUNAME		1	/* has uname(2) */
728 #  define HASUNSETENV		1	/* has unsetenv(3) */
729 #  define HASSETSID	1	/* has POSIX setsid(2) call */
730 #  define HASINITGROUPS	1	/* has initgroups(3) */
731 #  define HASSETVBUF		1	/* has setvbuf (3) */
732 #  define HASSETREUID		0	/* setreuid(2) unusable */
733 #  define HASSETEUID		1	/* has seteuid(2) */
734 #  define USESETEUID		1	/* has seteuid(2) */
735 #  define HASSETEGID		1	/* has setegid(2) */
736 #  define HASSETREGID		1	/* has setregid(2) */
737 #  define HASSETRESGID		0	/* no setresgid(2) */
738 #  define HASLSTAT		1	/* has lstat(2) */
739 #  define HASSETRLIMIT		1	/* has setrlimit(2) */
740 #  define HASWAITPID		1	/* has waitpid(2) */
741 #  define HASGETDTABLESIZE	1	/* has getdtablesize(2) */
742 #  define HAS_ST_GEN		1	/* has st_gen field in struct stat */
743 #  define HASURANDOMDEV	1	/* has urandom(4) */
744 #  define HASSTRERROR		1	/* has strerror(3) */
745 #  define HASGETUSERSHELL	1	/* had getusershell(3) */
746 #  define GIDSET_T		gid_t	/* getgroups(2) takes gid_t */
747 #  define LA_TYPE		LA_SUBR	/* use getloadavg(3) */
748 #  define SFS_TYPE		SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
749 #  define SPT_TYPE		SPT_PSSTRINGS	/* use magic PS_STRINGS pointer for setproctitle */
750 #  define ERRLIST_PREDEFINED		/* don't declare sys_errlist */
751 #  define BSD4_4_SOCKADDR		/* struct sockaddr has sa_len */
752 #  define SAFENFSPATHCONF	0	/* unverified: pathconf(2) doesn't work on NFS */
753 #  define HAS_IN_H		1
754 #  define NETLINK		1	/* supports AF_LINK */
755 #  ifndef NOT_SENDMAIL
756 #   define sleep sleepX
757 extern unsigned int sleepX __P((unsigned int seconds));
758 #  endif /* ! NOT_SENDMAIL */
759 # endif /* defined(DARWIN) */
760 
761 
762 /*
763 **  4.4 BSD
764 **
765 **	See also BSD defines.
766 */
767 
768 # if defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__)
769 #  include <paths.h>
770 #  define HASUNSETENV	1	/* has unsetenv(3) call */
771 #  define USESETEUID	1	/* has usable seteuid(2) call */
772 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
773 #  define HASFCHOWN	1	/* has fchown(2) syscall */
774 #  define HASSTRERROR	1	/* has strerror(3) */
775 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
776 #  include <sys/cdefs.h>
777 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
778 #  define BSD4_4_SOCKADDR	/* has sa_len */
779 #  define NEED_PRINTF_PERCENTQ	1	/* doesn't have %lld */
780 #  define NETLINK	1	/* supports AF_LINK */
781 #  ifndef LA_TYPE
782 #   define LA_TYPE	LA_SUBR
783 #  endif /* ! LA_TYPE */
784 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
785 #  define SPT_TYPE	SPT_PSSTRINGS	/* use PS_STRINGS pointer */
786 # endif /* defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__) */
787 
788 
789 /*
790 **  BSD/OS (was BSD/386) (all versions)
791 **	From Tony Sanders, BSDI
792 */
793 
794 # ifdef __bsdi__
795 #  include <paths.h>
796 #  define HASUNSETENV	1	/* has the unsetenv(3) call */
797 #  define HASSETREUID	0	/* BSD-OS has broken setreuid(2) emulation */
798 #  define HASSETSID	1	/* has POSIX setsid(2) call */
799 #  define USESETEUID	1	/* has usable seteuid(2) call */
800 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
801 #  define HASSETLOGIN	1	/* has setlogin(2) */
802 #  define HASUNAME	1	/* has uname(2) syscall */
803 #  define HASSTRERROR	1	/* has strerror(3) */
804 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
805 #  include <sys/cdefs.h>
806 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
807 #  define BSD4_4_SOCKADDR	/* has sa_len */
808 #  define NETLINK	1	/* supports AF_LINK */
809 #  define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
810 #  ifndef LA_TYPE
811 #   define LA_TYPE	LA_SUBR
812 #  endif /* ! LA_TYPE */
813 #  define GIDSET_T	gid_t
814 #  define QUAD_T		quad_t
815 #  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312
816 			/* version 1.1 or later */
817 #   undef SPT_TYPE
818 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
819 #  else /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */
820 			/* version 1.0 or earlier */
821 #   define SPT_PADCHAR	'\0'	/* pad process title with nulls */
822 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 */
823 #  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199701	/* on 3.x */
824 #   define HASSETUSERCONTEXT 1	/* has setusercontext */
825 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199701 */
826 #  if defined(_BSDI_VERSION) && _BSDI_VERSION <= 199701	/* 3.1 and earlier */
827 #   define MODE_T	int	/* va_arg() can't handle less than int */
828 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION <= 199701 */
829 #  if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199910	/* on 4.x */
830 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
831 #  endif /* defined(_BSDI_VERSION) && _BSDI_VERSION >= 199910 */
832 # endif /* __bsdi__ */
833 
834 
835 /*
836 **  QNX 4.2x
837 **	Contributed by Glen McCready <glen@qnx.com>.
838 **
839 **	Should work with all versions of QNX.
840 */
841 
842 # if defined(__QNX__)
843 #  include <unix.h>
844 #  include <sys/select.h>
845 #  undef NGROUPS_MAX
846 #  define HASSETSID	1	/* has POSIX setsid(2) call */
847 #  define USESETEUID	1	/* has usable seteuid(2) call */
848 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
849 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
850 #  define HASSETREUID	1	/* has setreuid(2) call */
851 #  define HASSTRERROR	1	/* has strerror(3) */
852 #  define HASFLOCK	0
853 #  undef HASINITGROUPS		/* has initgroups(3) call */
854 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
855 #  define IP_SRCROUTE	1	/* can check IP source routing */
856 #  define TZ_TYPE	TZ_TMNAME	/* use tmname variable */
857 #  define GIDSET_T	gid_t
858 #  define LA_TYPE	LA_ZERO
859 #  define SFS_TYPE	SFS_NONE
860 #  define SPT_TYPE	SPT_REUSEARGV
861 #  define SPT_PADCHAR	'\0'	/* pad process title with nulls */
862 #  define HASGETUSERSHELL 0
863 #  define E_PSEUDOBASE	512
864 #  define _FILE_H_INCLUDED
865 # endif /* defined(__QNX__) */
866 
867 
868 /*
869 **  DragonFly BSD/ FreeBSD / NetBSD / OpenBSD (all architectures, all versions)
870 **
871 **  4.3BSD clone, closer to 4.4BSD	for FreeBSD 1.x and NetBSD 0.9x
872 **  4.4BSD-Lite based			for FreeBSD 2.x and NetBSD 1.x
873 **
874 **	See also BSD defines.
875 */
876 
877 # if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
878 #  include <paths.h>
879 #  define HASUNSETENV	1	/* has unsetenv(3) call */
880 #  define HASSETSID	1	/* has POSIX setsid(2) call */
881 #  define USESETEUID	1	/* has usable seteuid(2) call */
882 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
883 #  define HASFCHOWN	1	/* has fchown(2) syscall */
884 #  define HASUNAME	1	/* has uname(2) syscall */
885 #  define HASSTRERROR	1	/* has strerror(3) */
886 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
887 #  define NEED_PRINTF_PERCENTQ	1	/* doesn't have %lld */
888 #  include <sys/cdefs.h>
889 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
890 #  define BSD4_4_SOCKADDR	/* has sa_len */
891 #  define NETLINK	1	/* supports AF_LINK */
892 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
893 #  define GIDSET_T	gid_t
894 #  define QUAD_T		unsigned long long
895 #  ifndef LA_TYPE
896 #   define LA_TYPE	LA_SUBR
897 #  endif /* ! LA_TYPE */
898 #  if defined(__NetBSD__) && defined(__NetBSD_Version__) && __NetBSD_Version__ >= 200040000
899 #   undef SFS_TYPE
900 #   define SFS_TYPE	SFS_STATVFS
901 #  else
902 #   define SFS_TYPE	SFS_MOUNT	/* use <sys/mount.h> statfs() impl */
903 #  endif
904 #  if defined(__NetBSD__) && (NetBSD > 199307 || NetBSD0_9 > 1)
905 #   undef SPT_TYPE
906 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
907 #  endif /* defined(__NetBSD__) && (NetBSD > 199307 || NetBSD0_9 > 1) */
908 #  if defined(__NetBSD__) && ((__NetBSD_Version__ > 102070000) || (NetBSD1_2 > 8) || defined(NetBSD1_4) || defined(NetBSD1_3))
909 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
910 #  endif /* defined(__NetBSD__) && ((__NetBSD_Version__ > 102070000) || (NetBSD1_2 > 8) || defined(NetBSD1_4) || defined(NetBSD1_3)) */
911 #  if defined(__NetBSD__) && defined(__NetBSD_Version__) && __NetBSD_Version__ >= 104170000
912 #   define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
913 #  endif
914 #  if defined(__NetBSD__) && defined(__NetBSD_Version__) && __NetBSD_Version__ >= 200060000
915 #   define HASCLOSEFROM	1	/* closefrom(3) added in 2.0F */
916 #  endif
917 #  if defined(__NetBSD__)
918 #   define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
919 #   include <sys/param.h>
920 #   include <sys/sysctl.h>
921 #  endif
922 #  if defined(__DragonFly__)
923 #   define HASSETLOGIN		1	/* has setlogin(2) */
924 #   define HASSRANDOMDEV	1	/* has srandomdev(3) */
925 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
926 #   undef SPT_TYPE
927 #   include <libutil.h>
928 #   define SPT_TYPE		SPT_BUILTIN
929 #   define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
930 #   ifndef SMRSH_CMDDIR
931 #    define SMRSH_CMDDIR	"/usr/libexec/sm.bin"
932 #   endif /* ! SMRSH_CMDDIR */
933 #   ifndef SMRSH_PATH
934 #    define SMRSH_PATH		"/bin:/usr/bin"
935 #   endif /* ! SMRSH_PATH */
936 #  define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
937 #  include <sys/sysctl.h>
938 #  endif /* defined(__DragonFly__) */
939 #  if defined(__FreeBSD__)
940 #   define HASSETLOGIN	1	/* has setlogin(2) */
941 #   if __FreeBSD_version >= 227001
942 #    define HASSRANDOMDEV	1	/* has srandomdev(3) */
943 #    define HASURANDOMDEV	1	/* has /dev/urandom(4) */
944 #   endif /* __FreeBSD_version >= 227001 */
945 #   undef SPT_TYPE
946 #   if __FreeBSD__ >= 2
947 #    include <osreldate.h>
948 #    if __FreeBSD_version >= 199512	/* 2.2-current when it appeared */
949 #     include <libutil.h>
950 #     define SPT_TYPE	SPT_BUILTIN
951 #    endif /* __FreeBSD_version >= 199512 */
952 #    if __FreeBSD_version >= 222000	/* 2.2.2-release and later */
953 #     define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
954 #    endif /* __FreeBSD_version >= 222000 */
955 #    if __FreeBSD_version >= 330000	/* 3.3.0-release and later */
956 #     ifndef SMRSH_CMDDIR
957 #      define SMRSH_CMDDIR	"/usr/libexec/sm.bin"
958 #     endif /* ! SMRSH_CMDDIR */
959 #     ifndef SMRSH_PATH
960 #      define SMRSH_PATH	"/bin:/usr/bin"
961 #     endif /* ! SMRSH_PATH */
962 #    endif /* __FreeBSD_version >= 330000 */
963 #    define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
964 #    include <sys/sysctl.h>
965 #   endif /* __FreeBSD__ >= 2 */
966 #   ifndef SPT_TYPE
967 #    define SPT_TYPE	SPT_REUSEARGV
968 #    define SPT_PADCHAR	'\0'		/* pad process title with nulls */
969 #   endif /* ! SPT_TYPE */
970 #  endif /* defined(__FreeBSD__) */
971 #  if defined(__OpenBSD__)
972 #   undef SPT_TYPE
973 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
974 #   define HASSETLOGIN	1	/* has setlogin(2) */
975 #   if OpenBSD < 200305
976 #    define HASSETREUID	0	/* setreuid(2) broken in OpenBSD < 3.3 */
977 #   endif /* OpenBSD < 200305 */
978 #   define HASSETEGID	1	/* use setegid(2) to set saved gid */
979 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
980 #   if OpenBSD >= 200006
981 #    define HASSRANDOMDEV	1	/* has srandomdev(3) */
982 #   endif /* OpenBSD >= 200006 */
983 #   if OpenBSD >= 200012
984 #    define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
985 #   endif /* OpenBSD >= 200012 */
986 #   if OpenBSD >= 200405
987 #    define HASCLOSEFROM	1	/* closefrom(3) added in 3.5 */
988 #   endif /* OpenBSD >= 200405 */
989 #  endif /* defined(__OpenBSD__) */
990 # endif /* defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) */
991 
992 
993 /*
994 **  Mach386
995 **
996 **	For mt Xinu's Mach386 system.
997 */
998 
999 # if defined(MACH) && defined(i386) && !defined(__GNU__)
1000 #  define MACH386	1
1001 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1002 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1003 #  ifndef HASFLOCK
1004 #   define HASFLOCK	1	/* has flock(2) call */
1005 #  endif /* ! HASFLOCK */
1006 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1007 #  define NEEDSTRTOL	1	/* need the strtol() function */
1008 #  define setpgid	setpgrp
1009 #  ifndef LA_TYPE
1010 #   define LA_TYPE	LA_FLOAT
1011 #  endif /* ! LA_TYPE */
1012 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1013 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1014 #  undef WEXITSTATUS
1015 #  undef WIFEXITED
1016 #  ifndef _PATH_VENDOR_CF
1017 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1018 #  endif /* ! _PATH_VENDOR_CF */
1019 #  ifndef _PATH_SENDMAILPID
1020 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1021 #  endif /* ! _PATH_SENDMAILPID */
1022 # endif /* defined(MACH) && defined(i386) && !defined(__GNU__) */
1023 
1024 
1025 
1026 /*
1027 **  GNU OS (hurd)
1028 **	Largely BSD & posix compatible.
1029 **	Port contributed by Miles Bader <miles@gnu.ai.mit.edu>.
1030 **	Updated by Mark Kettenis <kettenis@wins.uva.nl>.
1031 */
1032 
1033 # if defined(__GNU__) && !defined(NeXT)
1034 #  include <paths.h>
1035 #  define HASFCHMOD	1	/* has fchmod(2) call */
1036 #  define HASFCHOWN	1	/* has fchown(2) call */
1037 #  define HASUNAME	1	/* has uname(2) call */
1038 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1039 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
1040 #  define HASSTRERROR	1	/* has strerror(3) */
1041 #  define GIDSET_T	gid_t
1042 #  define SOCKADDR_LEN_T	socklen_t
1043 #  define SOCKOPT_LEN_T	socklen_t
1044 #  if (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2
1045 #   define LA_TYPE	LA_SUBR
1046 #  else /* (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2 */
1047 #   define LA_TYPE	LA_MACH
1048    /* GNU uses mach[34], which renames some rpcs from mach2.x. */
1049 #   define host_self	mach_host_self
1050 #  endif /* (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2 */
1051 #  define SFS_TYPE	SFS_STATFS
1052 #  define SPT_TYPE	SPT_CHANGEARGV
1053 #  define ERRLIST_PREDEFINED	1	/* don't declare sys_errlist */
1054 #  define BSD4_4_SOCKADDR	1	/* has sa_len */
1055 #  define SIOCGIFCONF_IS_BROKEN  1	/* SIOCGFCONF doesn't work */
1056 #  define HAS_IN_H	1	/* GNU has netinet/in.h. */
1057 /* GNU has no MAXPATHLEN; ideally the code should be changed to not use it. */
1058 #  define MAXPATHLEN	2048
1059 # endif /* defined(__GNU__) && !defined(NeXT) */
1060 
1061 /*
1062 **  4.3 BSD -- this is for very old systems
1063 **
1064 **	Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1.
1065 **
1066 **	You'll also have to install a new resolver library.
1067 **	I don't guarantee that support for this environment is complete.
1068 */
1069 
1070 # if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd)
1071 #  define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
1072 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1073 #  define ARBPTR_T	char *
1074 #  define setpgid	setpgrp
1075 #  ifndef LA_TYPE
1076 #   define LA_TYPE	LA_FLOAT
1077 #  endif /* ! LA_TYPE */
1078 #  ifndef _PATH_VENDOR_CF
1079 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1080 #  endif /* ! _PATH_VENDOR_CF */
1081 #  ifndef IDENTPROTO
1082 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1083 #  endif /* ! IDENTPROTO */
1084 #  undef WEXITSTATUS
1085 #  undef WIFEXITED
1086 typedef short		pid_t;
1087 # endif /* defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) */
1088 
1089 
1090 /*
1091 **  SCO Unix
1092 **
1093 **	This includes three parts:
1094 **
1095 **	The first is for SCO OpenServer 5.
1096 **	(Contributed by Keith Reynolds <keithr@sco.COM>).
1097 **
1098 **		SCO OpenServer 5 has a compiler version number macro,
1099 **		which we can use to figure out what version we're on.
1100 **		This may have to change in future releases.
1101 **
1102 **	The second is for SCO UNIX 3.2v4.2/Open Desktop 3.0.
1103 **	(Contributed by Philippe Brand <phb@colombo.telesys-innov.fr>).
1104 **
1105 **	The third is for SCO UNIX 3.2v4.0/Open Desktop 2.0 and earlier.
1106 */
1107 
1108 /* SCO OpenServer 5 */
1109 # if _SCO_DS >= 1
1110 #  include <paths.h>
1111 #  define SIOCGIFNUM_IS_BROKEN 1	/* SIOCGIFNUM returns bogus value */
1112 #  define HASFCHMOD	1	/* has fchmod(2) call */
1113 #  define HASFCHOWN	1	/* has fchown(2) call */
1114 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
1115 #  define USESETEUID	1	/* has seteuid(2) call */
1116 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1117 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
1118 #  define RLIMIT_NEEDS_SYS_TIME_H	1
1119 #  define LDA_USE_LOCKF	1
1120 #  ifndef LA_TYPE
1121 #   define LA_TYPE	LA_DEVSHORT
1122 #  endif /* ! LA_TYPE */
1123 #  define _PATH_AVENRUN	"/dev/table/avenrun"
1124 #  ifndef _SCO_unix_4_2
1125 #   define _SCO_unix_4_2
1126 #  else /* ! _SCO_unix_4_2 */
1127 #   define SOCKADDR_LEN_T	size_t	/* e.g., arg#3 to accept, getsockname */
1128 #   define SOCKOPT_LEN_T		size_t	/* arg#5 to getsockopt */
1129 #  endif /* ! _SCO_unix_4_2 */
1130 # endif /* _SCO_DS >= 1 */
1131 
1132 /* SCO UNIX 3.2v4.2/Open Desktop 3.0 */
1133 # ifdef _SCO_unix_4_2
1134 #  define _SCO_unix_
1135 #  define HASSETREUID	1	/* has setreuid(2) call */
1136 # endif /* _SCO_unix_4_2 */
1137 
1138 /* SCO UNIX 3.2v4.0 Open Desktop 2.0 and earlier */
1139 # ifdef _SCO_unix_
1140 #  include <sys/stream.h>	/* needed for IP_SRCROUTE */
1141 #  define SYSTEM5	1	/* include all the System V defines */
1142 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1143 #  define NOFTRUNCATE	0	/* has (simulated) ftruncate call */
1144 #  ifndef USE_SIGLONGJMP
1145 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
1146 #  endif /* ! USE_SIGLONGJMP */
1147 #  define MAXPATHLEN	PATHSIZE
1148 #  define SFS_TYPE	SFS_4ARGS	/* use <sys/statfs.h> 4-arg impl */
1149 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1150 #  define SPT_TYPE	SPT_SCO		/* write kernel u. area */
1151 #  define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
1152 #  define UID_T		uid_t
1153 #  define GID_T		gid_t
1154 #  define GIDSET_T	gid_t
1155 #  define _PATH_UNIX		"/unix"
1156 #  ifndef _PATH_VENDOR_CF
1157 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1158 #  endif /* ! _PATH_VENDOR_CF */
1159 #  ifndef _PATH_SENDMAILPID
1160 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1161 #  endif /* ! _PATH_SENDMAILPID */
1162 
1163 /* stuff fixed in later releases */
1164 #  ifndef _SCO_unix_4_2
1165 #   define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1166 #  endif /* ! _SCO_unix_4_2 */
1167 
1168 #  ifndef _SCO_DS
1169 #   define ftruncate	chsize	/* use chsize(2) to emulate ftruncate */
1170 #   define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1171 #   define NETUNIX	0	/* no unix domain socket support */
1172 #   define LA_TYPE	LA_SHORT
1173 #  endif /* ! _SCO_DS */
1174 
1175 # endif /* _SCO_unix_ */
1176 
1177 /*
1178 **  ISC (SunSoft) Unix.
1179 **
1180 **	Contributed by J.J. Bailey <jjb@jagware.bcc.com>
1181 */
1182 
1183 # ifdef ISC_UNIX
1184 #  include <net/errno.h>
1185 #  include <sys/stream.h>	/* needed for IP_SRCROUTE */
1186 #  include <sys/bsdtypes.h>
1187 #  define SYSTEM5	1	/* include all the System V defines */
1188 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1189 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1190 #  define HASSETREUID	1	/* has setreuid(2) call */
1191 #  define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1192 #  define NETUNIX	0	/* no unix domain socket support */
1193 #  define MAXPATHLEN	1024
1194 #  define LA_TYPE	LA_SHORT
1195 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1196 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1197 #  define _PATH_UNIX		"/unix"
1198 #  ifndef _PATH_VENDOR_CF
1199 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1200 #  endif /* ! _PATH_VENDOR_CF */
1201 #  ifndef _PATH_SENDMAILPID
1202 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1203 #  endif /* ! _PATH_SENDMAILPID */
1204 # endif /* ISC_UNIX */
1205 
1206 
1207 /*
1208 **  Altos System V (5.3.1)
1209 **	Contributed by Tim Rice <tim@trr.metro.net>.
1210 */
1211 
1212 # ifdef ALTOS_SYSTEM_V
1213 #  include <sys/stream.h>
1214 #  include <limits.h>
1215 #  define SYSTEM5	1	/* include all the System V defines */
1216 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1217 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1218 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1219 #  define NEEDFSYNC	1	/* no fsync(2) in system library */
1220 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1221 #  define NOFTRUNCATE	1	/* do not have ftruncate(2) */
1222 #  define MAXPATHLEN	PATH_MAX
1223 #  define LA_TYPE	LA_SHORT
1224 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1225 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1226 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
1227 #  define NETUNIX	0	/* no unix domain socket support */
1228 #  undef WIFEXITED
1229 #  undef WEXITSTATUS
1230 #  define strtoul	strtol	/* gcc library bogosity */
1231 
1232 typedef unsigned short	uid_t;
1233 typedef unsigned short	gid_t;
1234 typedef short		pid_t;
1235 typedef unsigned long	mode_t;
1236 
1237 /* some stuff that should have been in the include files */
1238 extern char		*malloc();
1239 extern struct passwd	*getpwent();
1240 extern struct passwd	*getpwnam();
1241 extern struct passwd	*getpwuid();
1242 extern char		*getenv();
1243 extern struct group	*getgrgid();
1244 extern struct group	*getgrnam();
1245 
1246 # endif /* ALTOS_SYSTEM_V */
1247 
1248 
1249 /*
1250 **  ConvexOS 11.0 and later
1251 **
1252 **	"Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this
1253 **	works on 9.1 as well.
1254 **
1255 **  ConvexOS 11.5 and later, should work on 11.0 as defined.
1256 **  For pre-ConvexOOS 11.0, define SM_CONF_GETOPT=0, undef IDENTPROTO
1257 **
1258 **	Eric Schnoebelen (eric@cirr.com) For CONVEX Computer Corp.
1259 **		(now the CONVEX Technologies Center of Hewlett Packard)
1260 */
1261 
1262 # ifdef _CONVEX_SOURCE
1263 #  define HASGETDTABLESIZE	1	/* has getdtablesize(2) */
1264 #  define HASINITGROUPS	1	/* has initgroups(3) */
1265 #  define HASUNAME	1	/* use System V uname(2) system call */
1266 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1267 #  define HASUNSETENV	1	/* has unsetenv(3) */
1268 #  define HASFLOCK	1	/* has flock(2) */
1269 #  define HASSETRLIMIT	1	/* has setrlimit(2) */
1270 #  define HASSETREUID	1	/* has setreuid(2) */
1271 #  define BROKEN_RES_SEARCH	1	/* res_search(unknown) returns h_error=0 */
1272 #  define NEEDPUTENV	1	/* needs putenv (written in terms of setenv) */
1273 #  define SM_CONF_GETOPT	1	/* need a replacement for getopt(3) */
1274 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
1275 #  define LA_TYPE	LA_FLOAT
1276 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1277 #  ifndef _PATH_VENDOR_CF
1278 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1279 #  endif /* ! _PATH_VENDOR_CF */
1280 #  ifndef S_IREAD
1281 #   define S_IREAD	_S_IREAD
1282 #   define S_IWRITE	_S_IWRITE
1283 #   define S_IEXEC	_S_IEXEC
1284 #   define S_IFMT	_S_IFMT
1285 #   define S_IFCHR	_S_IFCHR
1286 #   define S_IFBLK	_S_IFBLK
1287 #  endif /* ! S_IREAD */
1288 #  ifndef TZ_TYPE
1289 #   define TZ_TYPE	TZ_TIMEZONE
1290 #  endif /* ! TZ_TYPE */
1291 #  ifndef IDENTPROTO
1292 #   define IDENTPROTO	1
1293 #  endif /* ! IDENTPROTO */
1294 #  ifndef SHARE_V1
1295 #   define SHARE_V1	1	/* version 1 of the fair share scheduler */
1296 #  endif /* ! SHARE_V1 */
1297 #  if !defined(__GNUC__ )
1298 #   define UID_T	int		/* GNUC gets it right, ConvexC botches */
1299 #   define GID_T	int		/* GNUC gets it right, ConvexC botches */
1300 #  endif /* !defined(__GNUC__ ) */
1301 #  if SECUREWARE
1302 #   define FORK	fork		/* SecureWare wants the real fork! */
1303 #  else /* SECUREWARE */
1304 #   define FORK	vfork		/* the rest of the OS versions don't care */
1305 #  endif /* SECUREWARE */
1306 # endif /* _CONVEX_SOURCE */
1307 
1308 
1309 /*
1310 **  RISC/os 4.52
1311 **
1312 **	Gives a ton of warning messages, but otherwise compiles.
1313 */
1314 
1315 # ifdef RISCOS
1316 
1317 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1318 #  ifndef HASFLOCK
1319 #   define HASFLOCK	1	/* has flock(2) call */
1320 #  endif /* ! HASFLOCK */
1321 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1322 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1323 #  define NEEDPUTENV	1	/* need putenv(3) call */
1324 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1325 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1326 #  define LA_TYPE	LA_INT
1327 #  define LA_AVENRUN	"avenrun"
1328 #  define _PATH_UNIX	"/unix"
1329 #  undef WIFEXITED
1330 
1331 #  define setpgid	setpgrp
1332 
1333 typedef int		pid_t;
1334 #  define SIGFUNC_DEFINED
1335 #  define SIGFUNC_RETURN	(0)
1336 #  define SIGFUNC_DECL	int
1337 typedef int		(*sigfunc_t)();
1338 extern char		*getenv();
1339 extern void		*malloc();
1340 
1341 /* added for RISC/os 4.01...which is dumber than 4.50 */
1342 #  ifdef RISCOS_4_0
1343 #   ifndef ARBPTR_T
1344 #    define ARBPTR_T	char *
1345 #   endif /* ! ARBPTR_T */
1346 #   undef HASFLOCK
1347 #   define HASFLOCK	0
1348 #  endif /* RISCOS_4_0 */
1349 
1350 #  include <sys/time.h>
1351 
1352 # endif /* RISCOS */
1353 
1354 
1355 /*
1356 **  Linux 0.99pl10 and above...
1357 **
1358 **  Thanks to, in reverse order of contact:
1359 **
1360 **	John Kennedy <warlock@csuchico.edu>
1361 **	Andrew Pam <avatar@aus.xanadu.com>
1362 **	Florian La Roche <rzsfl@rz.uni-sb.de>
1363 **	Karl London <karl@borg.demon.co.uk>
1364 **
1365 **  NOTE: Override HASFLOCK as you will but, as of 1.99.6, mixed-style
1366 **	file locking is no longer allowed.  In particular, make sure
1367 **	your DBM library and sendmail are both using either flock(2)
1368 **	*or* fcntl(2) file locking, but not both.
1369 */
1370 
1371 # ifdef __linux__
1372 #  include <linux/version.h>
1373 #  if !defined(KERNEL_VERSION)	/* not defined in 2.0.x kernel series */
1374 #   define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
1375 #  endif /* !defined(KERNEL_VERSION) */
1376 #  define BSD		1	/* include BSD defines */
1377 #  define HASSETREGID	1	/* use setregid(2) to set saved gid */
1378 #  ifndef REQUIRES_DIR_FSYNC
1379 #   define REQUIRES_DIR_FSYNC	1	/* requires fsync() on directory */
1380 #  endif /* REQUIRES_DIR_FSYNC */
1381 #  ifndef USESETEUID
1382 #   define USESETEUID	0	/* has it due to POSIX, but doesn't work */
1383 #  endif /* USESETEUID */
1384 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1385 #  define HASUNAME	1	/* use System V uname(2) system call */
1386 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1387 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
1388 #  define GIDSET_T	gid_t	/* from <linux/types.h> */
1389 #  ifndef HASGETUSERSHELL
1390 #   define HASGETUSERSHELL 0	/* getusershell(3) broken in Slackware 2.0 */
1391 #  endif /* HASGETUSERSHELL */
1392 #  ifndef IP_SRCROUTE
1393 #   define IP_SRCROUTE	0	/* linux <= 1.2.8 doesn't support IP_OPTIONS */
1394 #  endif /* ! IP_SRCROUTE */
1395 #  ifndef HAS_IN_H
1396 #   define HAS_IN_H	1	/* use netinet/in.h */
1397 #  endif /* ! HAS_IN_H */
1398 #  ifndef USE_SIGLONGJMP
1399 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
1400 #  endif /* ! USE_SIGLONGJMP */
1401 #  ifndef HASFLOCK
1402 #   if LINUX_VERSION_CODE < 66399
1403 #    define HASFLOCK	0	/* flock(2) is broken after 0.99.13 */
1404 #   else /* LINUX_VERSION_CODE < 66399 */
1405 #     if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
1406 #      define HASFLOCK	1	/* flock(2) fixed after 1.3.95 */
1407 #     else /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) */
1408 #      define HASFLOCK	0	/* flock(2) is broken (again) after 2.4.0 */
1409 #     endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) */
1410 #   endif /* LINUX_VERSION_CODE < 66399 */
1411 #  endif /* ! HASFLOCK */
1412 #  ifndef LA_TYPE
1413 #   define LA_TYPE	LA_PROCSTR
1414 #  endif /* ! LA_TYPE */
1415 #  define SFS_TYPE	SFS_VFS		/* use <sys/vfs.h> statfs() impl */
1416 #  define SPT_PADCHAR	'\0'		/* pad process title with nulls */
1417 #  if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0))
1418 #   ifndef HASURANDOMDEV
1419 #    define HASURANDOMDEV 1	/* 2.0 (at least) has linux/drivers/char/random.c */
1420 #   endif /* ! HASURANDOMDEV */
1421 #  endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0)) */
1422 #  if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1423 #   define HASSTRERROR	1	/* has strerror(3) */
1424 #  endif /* defined(__GLIBC__) && defined(__GLIBC_MINOR__) */
1425 #  ifndef TZ_TYPE
1426 #   define TZ_TYPE	TZ_NONE		/* no standard for Linux */
1427 #  endif /* ! TZ_TYPE */
1428 #  if (__GLIBC__ >= 2)
1429 #   include <paths.h>
1430 #  endif /* (__GLIBC__ >= 2) */
1431 #  ifndef _PATH_SENDMAILPID
1432 #   define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
1433 #  endif /* ! _PATH_SENDMAILPID */
1434 #  include <sys/sysmacros.h>
1435 #  undef atol			/* wounded in <stdlib.h> */
1436 #  if NETINET6
1437    /*
1438    **  Linux doesn't have a good way to tell userland what interfaces are
1439    **  IPv6-capable.  Therefore, the BIND resolver can not determine if there
1440    **  are IPv6 interfaces to honor AI_ADDRCONFIG.  Unfortunately, it assumes
1441    **  that none are present.  (Excuse the macro name ADDRCONFIG_IS_BROKEN.)
1442    */
1443 #   define ADDRCONFIG_IS_BROKEN	1
1444 
1445    /*
1446    **  Indirectly included from glibc's <feature.h>.  IPv6 support is native
1447    **  in 2.1 and later, but the APIs appear before the functions.
1448    */
1449 #   if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1450 #    define GLIBC_VERSION ((__GLIBC__ << 8) + __GLIBC_MINOR__)
1451 #    if (GLIBC_VERSION >= 0x201)
1452 #     undef IPPROTO_ICMPV6	/* linux #defines, glibc enums */
1453 #    else /* (GLIBC_VERSION >= 0x201) */
1454 #     include <linux/in6.h>	/* IPv6 support */
1455 #    endif /* (GLIBC_VERSION >= 0x201) */
1456 #    if (GLIBC_VERSION >= 0x201 && !defined(NEEDSGETIPNODE))
1457      /* Have APIs in <netdb.h>, but no support in glibc */
1458 #     define NEEDSGETIPNODE	1
1459 #    endif /* (GLIBC_VERSION >= 0x201 && !defined(NEEDSGETIPNODE)) */
1460 #    undef GLIBC_VERSION
1461 #   endif /* defined(__GLIBC__) && defined(__GLIBC_MINOR__) */
1462 #  endif /* NETINET6 */
1463 #  ifndef HASFCHOWN
1464 #   define HASFCHOWN	1	/* fchown(2) */
1465 #  endif /* ! HASFCHOWN */
1466 #  if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,36)) && !defined(HASFCHMOD)
1467 #    define HASFCHMOD	1	/* fchmod(2) */
1468 #  endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,36)) && !defined(HASFCHMOD) */
1469 # endif /* __linux__ */
1470 
1471 
1472 /*
1473 **  DELL SVR4 Issue 2.2, and others
1474 **	From Kimmo Suominen <kim@grendel.lut.fi>
1475 **
1476 **	It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__
1477 **	defined, and the definitions conflict.
1478 **
1479 **	Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid
1480 **	trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A
1481 **	(SVR4.0/386 version 3.0).
1482 */
1483 
1484 # ifdef DELL_SVR4
1485 				/* no changes necessary */
1486 				/* see general __svr4__ defines below */
1487 # endif /* DELL_SVR4 */
1488 
1489 
1490 /*
1491 **  Apple A/UX 3.0
1492 */
1493 
1494 # ifdef _AUX_SOURCE
1495 #  include <sys/sysmacros.h>
1496 #  define BSD			/* has BSD routines */
1497 #  define HASSETRLIMIT	0	/* ... but not setrlimit(2) */
1498 #  define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
1499 #  define BOGUS_O_EXCL	1	/* exclusive open follows symlinks */
1500 #  define HASUNAME	1	/* use System V uname(2) system call */
1501 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
1502 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1503 #  define HASSETVBUF	1	/* has setvbuf(3) in libc */
1504 #  define HASSTRERROR	1	/* has strerror(3) */
1505 #  define SIGFUNC_DEFINED	/* sigfunc_t already defined */
1506 #  define SIGFUNC_RETURN		/* POSIX-mode */
1507 #  define SIGFUNC_DECL	void	/* POSIX-mode */
1508 #  define ERRLIST_PREDEFINED	1
1509 #  ifndef IDENTPROTO
1510 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1511 #  endif /* ! IDENTPROTO */
1512 #  ifndef LA_TYPE
1513 #   define LA_TYPE	LA_INT
1514 #   define FSHIFT	16
1515 #  endif /* ! LA_TYPE */
1516 #  define LA_AVENRUN	"avenrun"
1517 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1518 #  define TZ_TYPE	TZ_TZNAME
1519 #  ifndef _PATH_UNIX
1520 #   define _PATH_UNIX		"/unix"		/* should be in <paths.h> */
1521 #  endif /* ! _PATH_UNIX */
1522 #  ifndef _PATH_VENDOR_CF
1523 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1524 #  endif /* ! _PATH_VENDOR_CF */
1525 #  undef WIFEXITED
1526 #  undef WEXITSTATUS
1527 # endif /* _AUX_SOURCE */
1528 
1529 
1530 /*
1531 **  Encore UMAX V
1532 **
1533 **	Not extensively tested.
1534 */
1535 
1536 # ifdef UMAXV
1537 #  define HASUNAME	1	/* use System V uname(2) system call */
1538 #  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
1539 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1540 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1541 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1542 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1543 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1544 #  define MAXPATHLEN	PATH_MAX
1545 extern struct passwd	*getpwent(), *getpwnam(), *getpwuid();
1546 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
1547 #  undef WIFEXITED
1548 #  undef WEXITSTATUS
1549 # endif /* UMAXV */
1550 
1551 
1552 /*
1553 **  Stardent Titan 3000 running TitanOS 4.2.
1554 **
1555 **	Must be compiled in "cc -43" mode.
1556 **
1557 **	From Kate Hedstrom <kate@ahab.rutgers.edu>.
1558 **
1559 **	Note the tweaking below after the BSD defines are set.
1560 */
1561 
1562 # ifdef titan
1563 #  define setpgid	setpgrp
1564 typedef int		pid_t;
1565 #  undef WIFEXITED
1566 #  undef WEXITSTATUS
1567 # endif /* titan */
1568 
1569 
1570 /*
1571 **  Sequent DYNIX 3.2.0
1572 **
1573 **	From Jim Davis <jdavis@cs.arizona.edu>.
1574 */
1575 
1576 # ifdef sequent
1577 
1578 #  define BSD		1
1579 #  define HASUNSETENV	1
1580 #  define BSD4_3		1	/* to get signal() in conf.c */
1581 #  define WAITUNION	1
1582 #  define LA_TYPE	LA_FLOAT
1583 #  ifdef _POSIX_VERSION
1584 #   undef _POSIX_VERSION		/* set in <unistd.h> */
1585 #  endif /* _POSIX_VERSION */
1586 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1587 #  define setpgid	setpgrp
1588 
1589 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */
1590 #  undef	WIFEXITED
1591 #  define WIFEXITED(s)	(((union wait*)&(s))->w_stopval != WSTOPPED && \
1592 			 ((union wait*)&(s))->w_termsig == 0)
1593 #  define WEXITSTATUS(s)	(((union wait*)&(s))->w_retcode)
1594 typedef int		pid_t;
1595 #  define isgraph(c)	(isprint(c) && (c != ' '))
1596 
1597 #  ifndef IDENTPROTO
1598 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1599 #  endif /* ! IDENTPROTO */
1600 
1601 #  ifndef _PATH_UNIX
1602 #   define _PATH_UNIX		"/dynix"
1603 #  endif /* ! _PATH_UNIX */
1604 #  ifndef _PATH_VENDOR_CF
1605 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1606 #  endif /* ! _PATH_VENDOR_CF */
1607 # endif /* sequent */
1608 
1609 
1610 /*
1611 **  Sequent DYNIX/ptx v2.0 (and higher)
1612 **
1613 **	For DYNIX/ptx v1.x, undefine HASSETREUID.
1614 **
1615 **	From Tim Wright <timw@sequent.com>.
1616 **	Update from Jack Woolley <jwoolley@sctcorp.com>, 26 Dec 1995,
1617 **		for DYNIX/ptx 4.0.2.
1618 */
1619 
1620 # ifdef _SEQUENT_
1621 #  include <sys/stream.h>
1622 #  define SYSTEM5	1	/* include all the System V defines */
1623 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1624 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1625 #  define HASSETREUID	1	/* has setreuid(2) call */
1626 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1627 #  define GIDSET_T	gid_t
1628 #  define LA_TYPE	LA_INT
1629 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1630 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1631 #  ifndef IDENTPROTO
1632 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1633 #  endif /* ! IDENTPROTO */
1634 #  ifndef _PATH_VENDOR_CF
1635 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1636 #  endif /* ! _PATH_VENDOR_CF */
1637 #  ifndef _PATH_SENDMAILPID
1638 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1639 #  endif /* ! _PATH_SENDMAILPID */
1640 # endif /* _SEQUENT_ */
1641 
1642 /*
1643 **  Cray UNICOS, UNICOS/mk, and UNICOS/mp
1644 **
1645 **    UNICOS:
1646 **	Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov>
1647 **	Update Brian Ginsbach <ginsbach@cray.com>
1648 **    UNICOS/mk (Cray T3E):
1649 **	Contributed by Manu Mahonen <mailadm@csc.fi>
1650 **	of Center for Scientific Computing.
1651 **	Update Brian Ginsbach <ginsbach@cray.com>
1652 **    UNICOS/mp:
1653 **	From Aaron Davis <awd@cray.com> & Brian Ginsbach <ginsbach@cray.com>
1654 */
1655 
1656 # if defined(_CRAY) || defined(UNICOS) || defined(_UNICOSMP)
1657 #  define SYSTEM5	1	/* include all the System V defines */
1658 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
1659 #  define HASFCHOWN	1	/* has fchown(2) */
1660 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1661 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1662 #  define HASSETREUID	1	/* has setreuid(2) call */
1663 #  define USESETEUID	1	/* has usable seteuid(2) call */
1664 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) syscall */
1665 #  define HASSTRERROR	1	/* has strerror(3) */
1666 #  define GIDSET_T	gid_t
1667 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1668 #  define SFS_BAVAIL	f_bfree	/* alternate field name */
1669 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
1670 #  ifdef UNICOS
1671 #   define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1672 #   define LA_TYPE	LA_ZERO
1673 #   define _PATH_MAILDIR	"/usr/spool/mail"
1674 #   define GET_IPOPT_DST(dst) *(struct in_addr *)&(dst)
1675 #   ifndef MAXPATHLEN
1676 #    define MAXPATHLEN PATHSIZE
1677 #   endif /* ! MAXPATHLEN */
1678 #   ifndef _PATH_UNIX
1679 #    ifdef UNICOSMK
1680 #     define _PATH_UNIX		"/unicosmk.ar"
1681 #    else
1682 #     define _PATH_UNIX		"/unicos"
1683 #    endif /* UNICOSMK */
1684 #   endif /* ! _PATH_UNIX */
1685 #   ifndef _PATH_VENDOR_CF
1686 #    define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1687 #   endif /* ! _PATH_VENDOR_CF */
1688 #  endif /* UNICOS */
1689 #  ifdef _UNICOSMP
1690 #  if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN)
1691     /* _SC_NPROC_ONLN is 'mpadmin -u', total # of unrestricted processors */
1692 #   define _SC_NPROCESSORS_ONLN  _SC_NPROC_ONLN
1693 #  endif /* if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN) */
1694 #   define HASGETUSERSHELL 0		/* does not have getusershell(3) call */
1695 #   define HASSETRLIMIT	   1		/* has setrlimit(2) syscall */
1696 #   define LA_TYPE	LA_IRIX6	/* figure out at run time */
1697 #   include <sys/cdefs.h>
1698 #   include <paths.h>
1699 #   define ARGV_T char *const *
1700 #  endif /* _UNICOSMP */
1701 # endif /* _CRAY */
1702 
1703 /*
1704 **  Apollo DomainOS
1705 **
1706 **  From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com>
1707 **
1708 **  15 Jan 1994; updated 2 Aug 1995
1709 **
1710 */
1711 
1712 # ifdef apollo
1713 #  define HASSETREUID	1	/* has setreuid(2) call */
1714 #  define HASINITGROUPS	1	/* has initgroups(2) call */
1715 #  define IP_SRCROUTE	0	/* does not have <netinet/ip_var.h> */
1716 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1717 #  define LA_TYPE	LA_SUBR		/* use getloadavg.c */
1718 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1719 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1720 #  define TZ_TYPE	TZ_TZNAME
1721 #  ifndef _PATH_VENDOR_CF
1722 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1723 #  endif /* ! _PATH_VENDOR_CF */
1724 #  ifndef _PATH_SENDMAILPID
1725 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1726 #  endif /* ! _PATH_SENDMAILPID */
1727 #  undef	 S_IFSOCK		/* S_IFSOCK and S_IFIFO are the same */
1728 #  undef	 S_IFIFO
1729 #  define S_IFIFO	0010000
1730 #  ifndef IDENTPROTO
1731 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1732 #  endif /* ! IDENTPROTO */
1733 #  define RLIMIT_NEEDS_SYS_TIME_H	1
1734 #  if defined(NGROUPS_MAX) && !NGROUPS_MAX
1735 #   undef NGROUPS_MAX
1736 #  endif /* defined(NGROUPS_MAX) && !NGROUPS_MAX */
1737 # endif /* apollo */
1738 
1739 /*
1740 **  MPE-iX
1741 **
1742 **	Requires MPE 6.0 or greater.  See sendmail/README for more info.
1743 **
1744 **	From Mark Bixby <mark_bixby@hp.com> or <mark@bixby.org>.
1745 */
1746 
1747 # ifdef MPE
1748 
1749 #  include <sys/sysmacros.h>
1750 #  include <fcntl.h>
1751 
1752 /* Sendmail stuff */
1753 #  define HASFCHOWN		0	/* lacks fchown() */
1754 #  define HASGETUSERSHELL	0	/* lacks getusershell() */
1755 #  ifdef HASNICE
1756 #   undef  HASNICE
1757 #  endif /* HASNICE */
1758 #  define HASNICE		0	/* lacks nice() */
1759 #  define HASRANDOM		0	/* lacks random() */
1760 #  ifdef HASRRESVPORT
1761 #   undef HASRRESVPORT
1762 #  endif /* HASRRESVPORT */
1763 #  define HASRRESVPORT		0	/* lacks rresvport() */
1764 #  define IP_SRCROUTE		0	/* lacks IP source routing fields */
1765 #  ifdef MATCHGECOS
1766 #   undef MATCHGECOS
1767 #  endif /* MATCHGECOS */
1768 #  define MATCHGECOS		0	/* lacks an initialized GECOS field */
1769 #  define NEEDFSYNC		1	/* use sendmail's fsync() */
1770 #  define NEEDLINK		1	/* use sendmail's link() */
1771 #  define NOFTRUNCATE		1	/* lacks ftruncate() */
1772 #  define SFS_TYPE		SFS_NONE /* can't determine disk space */
1773 #  define SM_CONF_SYSLOG	0	/* use sendmail decl of syslog() */
1774 #  define USE_DOUBLE_FORK	0	/* don't fork an intermediate zombie */
1775 #  define USE_ENVIRON		1	/* use environ instead of envp */
1776 
1777 /* Missing header stuff */
1778 #  define AF_UNSPEC		0
1779 #  define AF_MAX		AF_INET
1780 #  define IFF_LOOPBACK		0x8
1781 #  define IN_LOOPBACKNET	127
1782 #  define MAXNAMLEN		NAME_MAX
1783 #  define S_IEXEC		S_IXUSR
1784 #  define S_IREAD		S_IRUSR
1785 #  define S_IWRITE		S_IWUSR
1786 
1787 /* Present header stuff that needs to be missing */
1788 #  undef NGROUPS_MAX
1789 
1790 /* Shadow functions */
1791 #  define bind		sendmail_mpe_bind
1792 #  define _exit		sendmail_mpe__exit
1793 #  define exit		sendmail_mpe_exit
1794 #  define fcntl		sendmail_mpe_fcntl
1795 #  define getegid	sendmail_mpe_getegid
1796 #  define geteuid	sendmail_mpe_geteuid
1797 #  define getpwnam	sendmail_mpe_getpwnam
1798 #  define getpwuid	sendmail_mpe_getpwuid
1799 #  define setgid	sendmail_mpe_setgid
1800 #  define setuid	sendmail_mpe_setuid
1801 extern int		sendmail_mpe_fcntl __P((int, int, ...));
1802 extern struct passwd *	sendmail_mpe_getpwnam __P((const char *));
1803 extern struct passwd *	sendmail_mpe_getpwuid __P((uid_t));
1804 # endif /* MPE */
1805 
1806 /*
1807 **  System V Rel 5.x (a.k.a Unixware7 w/o BSD-Compatibility Libs ie. native)
1808 **
1809 **	Contributed by Paul Gampe <paulg@apnic.net>
1810 */
1811 
1812 # ifdef __svr5__
1813 #  include <sys/mkdev.h>
1814 #  define __svr4__
1815 #  define SYS5SIGNALS		1
1816 #  define HASFCHOWN		1	/* has fchown(2) call */
1817 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1818 #  define HASSETREUID		1
1819 #  define HASWAITPID		1
1820 #  define HASGETDTABLESIZE	1
1821 #  define GIDSET_T		gid_t
1822 #  define SOCKADDR_LEN_T		size_t
1823 #  define SOCKOPT_LEN_T		size_t
1824 #  ifndef _PATH_UNIX
1825 #   define _PATH_UNIX		"/stand/unix"
1826 #  endif /* ! _PATH_UNIX */
1827 #  define SPT_PADCHAR		'\0'	/* pad process title with nulls */
1828 #  ifndef SYSLOG_BUFSIZE
1829 #   define SYSLOG_BUFSIZE	1024	/* unsure */
1830 #  endif /* ! SYSLOG_BUFSIZE */
1831 #  ifndef _PATH_VENDOR_CF
1832 #   define _PATH_VENDOR_CF	"/etc/sendmail.cf"
1833 #  endif /* ! _PATH_VENDOR_CF */
1834 #  ifndef _PATH_SENDMAILPID
1835 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1836 #  endif /* ! _PATH_SENDMAILPID */
1837 #  undef offsetof		/* avoid stddefs.h, sys/sysmacros.h conflict */
1838 #if !defined(SM_SET_H_ERRNO) && defined(_REENTRANT)
1839 # define SM_SET_H_ERRNO(err)	set_h_errno((err))
1840 #endif /* ! SM_SET_H_ERRNO && _REENTRANT */
1841 # endif /* __svr5__ */
1842 
1843 /* ###################################################################### */
1844 
1845 /*
1846 **  UnixWare 2.x
1847 */
1848 
1849 # ifdef UNIXWARE2
1850 #  define UNIXWARE	1
1851 #  undef offsetof		/* avoid stddefs.h, sys/sysmacros.h conflict */
1852 # endif /* UNIXWARE2 */
1853 
1854 
1855 /*
1856 **  UnixWare 1.1.2.
1857 **
1858 **	Updated by Petr Lampa <lampa@fee.vutbr.cz>.
1859 **	From Evan Champion <evanc@spatial.synapse.org>.
1860 */
1861 
1862 # ifdef UNIXWARE
1863 #  include <sys/mkdev.h>
1864 #  define SYSTEM5		1
1865 #  define HASGETUSERSHELL	0	/* does not have getusershell(3) call */
1866 #  define HASSETREUID		1
1867 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1868 #  define HASINITGROUPS		1
1869 #  define GIDSET_T		gid_t
1870 #  define SLEEP_T		unsigned
1871 #  define SFS_TYPE		SFS_STATVFS
1872 #  define LA_TYPE		LA_ZERO
1873 #  undef WIFEXITED
1874 #  undef WEXITSTATUS
1875 #  ifndef _PATH_UNIX
1876 #   define _PATH_UNIX		"/unix"
1877 #  endif /* ! _PATH_UNIX */
1878 #  ifndef _PATH_VENDOR_CF
1879 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
1880 #  endif /* ! _PATH_VENDOR_CF */
1881 #  ifndef _PATH_SENDMAILPID
1882 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
1883 #  endif /* ! _PATH_SENDMAILPID */
1884 #  define SYSLOG_BUFSIZE	128
1885 # endif /* UNIXWARE */
1886 
1887 
1888 /*
1889 **  Intergraph CLIX 3.1
1890 **
1891 **	From Paul Southworth <pauls@locust.cic.net>
1892 */
1893 
1894 # ifdef CLIX
1895 #  define SYSTEM5	1	/* looks like System V */
1896 #  ifndef HASGETUSERSHELL
1897 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1898 #  endif /* ! HASGETUSERSHELL */
1899 #  define DEV_BSIZE	512	/* device block size not defined */
1900 #  define GIDSET_T	gid_t
1901 #  undef LOG			/* syslog not available */
1902 #  define NEEDFSYNC	1	/* no fsync in system library */
1903 #  define GETSHORT	_getshort
1904 # endif /* CLIX */
1905 
1906 
1907 /*
1908 **  NCR MP-RAS 2.x (SysVr4) with Wollongong TCP/IP
1909 **
1910 **	From Kevin Darcy <kevin@tech.mis.cfc.com>.
1911 */
1912 
1913 # ifdef NCR_MP_RAS2
1914 #  include <sys/sockio.h>
1915 #  define __svr4__
1916 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
1917 #  define SYSLOG_BUFSIZE	1024
1918 #  define SPT_TYPE  SPT_NONE
1919 # endif /* NCR_MP_RAS2 */
1920 
1921 
1922 /*
1923 **  NCR MP-RAS 3.x (SysVr4) with STREAMware TCP/IP
1924 **
1925 **	From Tom Moore <Tom.Moore@DaytonOH.NCR.COM>
1926 */
1927 
1928 # ifdef NCR_MP_RAS3
1929 #  define __svr4__
1930 #  define HASFCHOWN		1	/* has fchown(2) call */
1931 #  define LDA_USE_LOCKF		1
1932 #  define SIOCGIFNUM_IS_BROKEN	1	/* SIOCGIFNUM has non-std interface */
1933 #  define SO_REUSEADDR_IS_BROKEN	1	/* doesn't work if accept() fails */
1934 #  define SYSLOG_BUFSIZE	1024
1935 #  define SPT_TYPE	SPT_NONE
1936 #  define _PATH_MAILDIR	"/var/mail"
1937 #  ifndef _XOPEN_SOURCE
1938 #   define _XOPEN_SOURCE
1939 #   define _XOPEN_SOURCE_EXTENDED 1
1940 #   include <sys/resource.h>
1941 #   undef _XOPEN_SOURCE
1942 #   undef _XOPEN_SOURCE_EXTENDED
1943 #  endif /* ! _XOPEN_SOURCE */
1944 # endif /* NCR_MP_RAS3 */
1945 
1946 
1947 /*
1948 **  Tandem NonStop-UX SVR4
1949 **
1950 **	From Rick McCarty <mccarty@mpd.tandem.com>.
1951 */
1952 
1953 # ifdef NonStop_UX_BXX
1954 #  define __svr4__
1955 # endif /* NonStop_UX_BXX */
1956 
1957 
1958 /*
1959 **  Hitachi 3050R/3050RX and 3500 Workstations running HI-UX/WE2.
1960 **
1961 **	Tested for 1.04, 1.03
1962 **	From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>.
1963 **
1964 **	Tested for 4.02, 6.10 and 7.10
1965 **	From Motonori NAKAMURA <motonori@media.kyoto-u.ac.jp>.
1966 */
1967 
1968 # if !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE))
1969 #  define SYSTEM5	1	/* include all the System V defines */
1970 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1971 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
1972 #  define setreuid(r, e)	setresuid(r, e, -1)
1973 #  define LA_TYPE	LA_FLOAT
1974 #  define SPT_TYPE	SPT_PSTAT
1975 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1976 #  ifndef HASSETVBUF
1977 #   define HASSETVBUF	/* HI-UX has no setlinebuf */
1978 #  endif /* ! HASSETVBUF */
1979 #  ifndef GIDSET_T
1980 #   define GIDSET_T	gid_t
1981 #  endif /* ! GIDSET_T */
1982 #  ifndef _PATH_UNIX
1983 #   define _PATH_UNIX		"/HI-UX"
1984 #  endif /* ! _PATH_UNIX */
1985 #  ifndef _PATH_VENDOR_CF
1986 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1987 #  endif /* ! _PATH_VENDOR_CF */
1988 #  ifndef IDENTPROTO
1989 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1990 #  endif /* ! IDENTPROTO */
1991 #  ifndef HASGETUSERSHELL
1992 #   define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
1993 #  endif /* ! HASGETUSERSHELL */
1994 #  define FDSET_CAST	(int *)	/* cast for fd_set parameters to select */
1995 
1996 /*
1997 **  avoid m_flags conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h
1998 **  on HIUX 3050
1999 */
2000 #  undef m_flags
2001 
2002 #  define SM_CONF_SYSLOG	0
2003 
2004 # endif /* !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE)) */
2005 
2006 
2007 /*
2008 **  Amdahl UTS System V 2.1.5 (SVr3-based)
2009 **
2010 **    From: Janet Jackson <janet@dialix.oz.au>.
2011 */
2012 
2013 # ifdef _UTS
2014 #  include <sys/sysmacros.h>
2015 #  undef HASLSTAT		/* has symlinks, but they cause problems */
2016 #  define NEEDFSYNC	1	/* system fsync(2) fails on non-EFS filesys */
2017 #  define SYS5SIGNALS	1	/* System V signal semantics */
2018 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
2019 #  define HASUNAME	1	/* use System V uname(2) system call */
2020 #  define HASINITGROUPS	1	/* has initgroups(3) function */
2021 #  define HASSETVBUF	1	/* has setvbuf(3) function */
2022 #  ifndef HASGETUSERSHELL
2023 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) function */
2024 #  endif /* ! HASGETUSERSHELL */
2025 #  define GIDSET_T	gid_t	/* type of 2nd arg to getgroups(2) isn't int */
2026 #  define LA_TYPE	LA_ZERO		/* doesn't have load average */
2027 #  define SFS_TYPE	SFS_4ARGS	/* use 4-arg statfs() */
2028 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
2029 #  define _PATH_UNIX		"/unix"
2030 #  ifndef _PATH_VENDOR_CF
2031 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2032 #  endif /* ! _PATH_VENDOR_CF */
2033 # endif /* _UTS */
2034 
2035 /*
2036 **  Cray Computer Corporation's CSOS
2037 **
2038 **	From Scott Bolte <scott@craycos.com>.
2039 */
2040 
2041 # ifdef _CRAYCOM
2042 #  define SYSTEM5	1	/* include all the System V defines */
2043 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
2044 #  define NEEDFSYNC	1	/* no fsync in system library */
2045 #  define MAXPATHLEN	PATHSIZE
2046 #  define LA_TYPE	LA_ZERO
2047 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
2048 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
2049 #  define _POSIX_CHOWN_RESTRICTED	-1
2050 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
2051 # endif /* _CRAYCOM */
2052 
2053 
2054 /*
2055 **  Sony NEWS-OS 4.2.1R and 6.0.3
2056 **
2057 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2058 */
2059 
2060 # ifdef sony_news
2061 #  ifndef __svr4
2062 			/* NEWS-OS 4.2.1R */
2063 #   ifndef BSD
2064 #    define BSD			/* has BSD routines */
2065 #   endif /* ! BSD */
2066 #   define HASUNSETENV	1	/* has unsetenv(2) call */
2067 #   undef HASSETVBUF		/* don't actually have setvbuf(3) */
2068 #   define WAITUNION	1	/* use "union wait" as wait argument type */
2069 #   define LA_TYPE	LA_INT
2070 #   define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
2071 #   ifndef HASFLOCK
2072 #    define HASFLOCK	1	/* has flock(2) call */
2073 #   endif /* ! HASFLOCK */
2074 #   define setpgid	setpgrp
2075 #   undef WIFEXITED
2076 #   undef WEXITSTATUS
2077 #   define MODE_T	int	/* system include files have no mode_t */
2078 typedef int		pid_t;
2079 typedef int		(*sigfunc_t)();
2080 #   define SIGFUNC_DEFINED
2081 #   define SIGFUNC_RETURN	(0)
2082 #   define SIGFUNC_DECL		int
2083 
2084 #  else /* ! __svr4 */
2085 			/* NEWS-OS 6.0.3 with /bin/cc */
2086 #   ifndef __svr4__
2087 #    define __svr4__		/* use all System V Release 4 defines below */
2088 #   endif /* ! __svr4__ */
2089 #   define HASSETSID	1	/* has POSIX setsid(2) call */
2090 #   define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
2091 #   define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
2092 #   ifndef SPT_TYPE
2093 #    define SPT_TYPE	SPT_SYSMIPS	/* use sysmips() (OS 6.0.2 or later) */
2094 #   endif /* ! SPT_TYPE */
2095 #   define GIDSET_T	gid_t
2096 #   undef WIFEXITED
2097 #   undef WEXITSTATUS
2098 #   ifndef SYSLOG_BUFSIZE
2099 #    define SYSLOG_BUFSIZE	256
2100 #   endif /* ! SYSLOG_BUFSIZE */
2101 #   define _PATH_UNIX		"/stand/unix"
2102 #   ifndef _PATH_VENDOR_CF
2103 #    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
2104 #   endif /* ! _PATH_VENDOR_CF */
2105 #   ifndef _PATH_SENDMAILPID
2106 #    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
2107 #   endif /* ! _PATH_SENDMAILPID */
2108 
2109 #  endif /* ! __svr4 */
2110 # endif /* sony_news */
2111 
2112 
2113 /*
2114 **  Omron LUNA/UNIOS-B 3.0, LUNA2/Mach and LUNA88K Mach
2115 **
2116 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2117 */
2118 
2119 # ifdef luna
2120 #  ifndef IDENTPROTO
2121 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2122 #  endif /* ! IDENTPROTO */
2123 #  define HASUNSETENV	1	/* has unsetenv(2) call */
2124 #  define NEEDPUTENV	1	/* need putenv(3) call */
2125 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
2126 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
2127 #  define WAITUNION	1	/* use "union wait" as wait argument type */
2128 #  ifdef uniosb
2129 #   include <sys/time.h>
2130 #   define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
2131 #   define LA_TYPE	LA_INT
2132 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2133 #  endif /* uniosb */
2134 #  ifdef luna2
2135 #   define LA_TYPE	LA_SUBR
2136 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2137 #  endif /* luna2 */
2138 #  ifdef luna88k
2139 #   define LA_TYPE	LA_INT
2140 #  endif /* luna88k */
2141 #  define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
2142 #  define setpgid	setpgrp
2143 #  undef WIFEXITED
2144 #  undef WEXITSTATUS
2145 typedef int		pid_t;
2146 typedef int		(*sigfunc_t)();
2147 #  define SIGFUNC_DEFINED
2148 #  define SIGFUNC_RETURN	(0)
2149 #  define SIGFUNC_DECL	int
2150 extern char	*getenv();
2151 #  ifndef _PATH_VENDOR_CF
2152 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2153 #  endif /* ! _PATH_VENDOR_CF */
2154 # endif /* luna */
2155 
2156 
2157 /*
2158 **  NEC EWS-UX/V 4.2 (with /usr/ucb/cc)
2159 **
2160 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2161 */
2162 
2163 # if defined(nec_ews_svr4) || defined(_nec_ews_svr4)
2164 #  ifndef __svr4__
2165 #   define __svr4__		/* use all System V Release 4 defines below */
2166 #  endif /* ! __svr4__ */
2167 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
2168 #  define HASSETSID	1	/* has POSIX setsid(2) call */
2169 #  define LA_TYPE	LA_READKSYM	/* use MIOC_READSYM ioctl */
2170 #  define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2171 #  define GIDSET_T	gid_t
2172 #  undef WIFEXITED
2173 #  undef WEXITSTATUS
2174 #  define NAMELISTMASK	0x7fffffff	/* mask for nlist() values */
2175 #  ifndef _PATH_VENDOR_CF
2176 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2177 #  endif /* ! _PATH_VENDOR_CF */
2178 #  ifndef _PATH_SENDMAILPID
2179 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2180 #  endif /* ! _PATH_SENDMAILPID */
2181 #  ifndef SYSLOG_BUFSIZE
2182 #   define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
2183 #  endif /* ! SYSLOG_BUFSIZE */
2184 # endif /* defined(nec_ews_svr4) || defined(_nec_ews_svr4) */
2185 
2186 
2187 /*
2188 **  Fujitsu/ICL UXP/DS (For the DS/90 Series)
2189 **
2190 **	From Diego R. Lopez <drlopez@cica.es>.
2191 **	Additional changes from Fumio Moriya and Toshiaki Nomura of the
2192 **		Fujitsu Fresoftware group <dsfrsoft@oai6.yk.fujitsu.co.jp>.
2193 */
2194 
2195 # ifdef __uxp__
2196 #  include <arpa/nameser.h>
2197 #  include <sys/sysmacros.h>
2198 #  include <sys/mkdev.h>
2199 #  define __svr4__
2200 #  define HASGETUSERSHELL	0
2201 #  define HASFLOCK		0
2202 #  define _PATH_UNIX		"/stand/unix"
2203 #  ifndef _PATH_VENDOR_CF
2204 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2205 #  endif /* ! _PATH_VENDOR_CF */
2206 #  ifndef _PATH_SENDMAILPID
2207 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2208 #  endif /* ! _PATH_SENDMAILPID */
2209 # endif /* __uxp__ */
2210 
2211 /*
2212 **  Pyramid DC/OSx
2213 **
2214 **	From Earle Ake <akee@wpdiss1.wpafb.af.mil>.
2215 */
2216 
2217 # ifdef DCOSx
2218 #  define GIDSET_T	gid_t
2219 #  ifndef IDENTPROTO
2220 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2221 #  endif /* ! IDENTPROTO */
2222 # endif /* DCOSx */
2223 
2224 /*
2225 **  Concurrent Computer Corporation Maxion
2226 **
2227 **	From Donald R. Laster Jr. <laster@access.digex.net>.
2228 */
2229 
2230 # ifdef __MAXION__
2231 
2232 #  include <sys/stream.h>
2233 #  define __svr4__		1	/* SVR4.2MP */
2234 #  define HASSETREUID		1	/* have setreuid(2) */
2235 #  define HASLSTAT		1	/* have lstat(2) */
2236 #  define HASSETRLIMIT		1	/* have setrlimit(2) */
2237 #  define HASGETDTABLESIZE	1	/* have getdtablesize(2) */
2238 #  define HASGETUSERSHELL	1	/* have getusershell(3) */
2239 #  define NOFTRUNCATE		1	/* do not have ftruncate(2) */
2240 #  define SLEEP_T		unsigned
2241 #  define SFS_TYPE		SFS_STATVFS
2242 #  define SFS_BAVAIL		f_bavail
2243 #  ifndef SYSLOG_BUFSIZE
2244 #   define SYSLOG_BUFSIZE	256	/* Use 256 bytes */
2245 #  endif /* ! SYSLOG_BUFSIZE */
2246 
2247 #  undef WUNTRACED
2248 #  undef WIFEXITED
2249 #  undef WIFSIGNALED
2250 #  undef WIFSTOPPED
2251 #  undef WEXITSTATUS
2252 #  undef WTERMSIG
2253 #  undef WSTOPSIG
2254 
2255 # endif /* __MAXION__ */
2256 
2257 /*
2258 **  Harris Nighthawk PowerUX (nh6000 box)
2259 **
2260 **  Contributed by Bob Miorelli, Pratt & Whitney <miorelli@pweh.com>
2261 */
2262 
2263 # ifdef _PowerUX
2264 #  ifndef __svr4__
2265 #   define __svr4__
2266 #  endif /* ! __svr4__ */
2267 #  ifndef _PATH_VENDOR_CF
2268 #   define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
2269 #  endif /* ! _PATH_VENDOR_CF */
2270 #  ifndef _PATH_SENDMAILPID
2271 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
2272 #  endif /* ! _PATH_SENDMAILPID */
2273 #  define SYSLOG_BUFSIZE		1024
2274 #  define LA_TYPE		LA_ZERO
2275 typedef struct msgb		mblk_t;
2276 #  undef offsetof	/* avoid stddefs.h and sys/sysmacros.h conflict */
2277 # endif /* _PowerUX */
2278 
2279 /*
2280 **  Siemens Nixdorf Informationssysteme AG SINIX
2281 **
2282 **	Contributed by Gerald Rinske of Siemens Business Services VAS.
2283 */
2284 # ifdef sinix
2285 #  define HASRANDOM		0	/* has random(3) */
2286 #  define SYSLOG_BUFSIZE	1024
2287 #  define SM_INT32		int	/* 32bit integer */
2288 # endif /* sinix */
2289 
2290 
2291 /*
2292 **  Motorola 922, MC88110, UNIX SYSTEM V/88 Release 4.0 Version 4.3
2293 **
2294 **	Contributed by Sergey Rusanov <rsm@utfoms.udmnet.ru>
2295 */
2296 
2297 # ifdef MOTO
2298 #  define HASFCHMOD		1
2299 #  define HASSETRLIMIT		0
2300 #  define HASSETSID	1	/* has POSIX setsid(2) call */
2301 #  define HASSETREUID		1
2302 #  define HASULIMIT		1
2303 #  define HASWAITPID		1
2304 #  define HASGETDTABLESIZE	1
2305 #  define HASGETUSERSHELL	1
2306 #  define IP_SRCROUTE		0
2307 #  define IDENTPROTO		0
2308 #  define RES_DNSRCH_VARIABLE	_res_dnsrch
2309 #  define _PATH_UNIX		"/unix"
2310 #  define _PATH_VENDOR_CF	"/etc/sendmail.cf"
2311 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
2312 # endif /* MOTO */
2313 
2314 /*
2315 **  Interix
2316 **	Contributed by Nedelcho Stanev <nedelcho.stanev@atlanticsky.com>
2317 **
2318 **	Used for Interix support.
2319 */
2320 
2321 # if defined(__INTERIX)
2322 #  define HASURANDOMDEV		1
2323 #  define HASGETUSERSHELL	0
2324 #  define HASSTRERROR		1
2325 #  define HASUNSETENV		1
2326 #  define HASFCHOWN		1
2327 #  undef HAVE_SYS_ERRLIST
2328 #  define sys_errlist		__sys_errlist
2329 #  define sys_nerr		__sys_nerr
2330 #  include <sys/mkdev.h>
2331 #  ifndef major
2332 #   define major(dev)		((int)(((dev) >> 8) & 0xff))
2333 #  endif /* ! major */
2334 #  ifndef minor
2335 #   define minor(dev)		((int)((dev) & 0xff))
2336 #  endif /* ! minor */
2337 # endif /* defined(__INTERIX) */
2338 
2339 
2340 /**********************************************************************
2341 **  End of Per-Operating System defines
2342 **********************************************************************/
2343 /**********************************************************************
2344 **  More general defines
2345 **********************************************************************/
2346 
2347 /* general BSD defines */
2348 # ifdef BSD
2349 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
2350 #  ifndef HASSETREUID
2351 #   define HASSETREUID	1	/* has setreuid(2) call */
2352 #  endif /* ! HASSETREUID */
2353 #  define HASINITGROUPS	1	/* has initgroups(3) call */
2354 #  ifndef IP_SRCROUTE
2355 #   define IP_SRCROUTE	1	/* can check IP source routing */
2356 #  endif /* ! IP_SRCROUTE */
2357 #  ifndef HASSETRLIMIT
2358 #   define HASSETRLIMIT	1	/* has setrlimit(2) call */
2359 #  endif /* ! HASSETRLIMIT */
2360 #  ifndef HASFLOCK
2361 #   define HASFLOCK	1	/* has flock(2) call */
2362 #  endif /* ! HASFLOCK */
2363 #  ifndef TZ_TYPE
2364 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone variable */
2365 #  endif /* ! TZ_TYPE */
2366 # endif /* BSD */
2367 
2368 /* general System V Release 4 defines */
2369 # ifdef __svr4__
2370 #  define SYSTEM5	1
2371 #  define USESETEUID	1	/* has usable seteuid(2) call */
2372 #  define HASINITGROUPS	1	/* has initgroups(3) call */
2373 #  define BSD_COMP	1	/* get BSD ioctl calls */
2374 #  ifndef HASSETRLIMIT
2375 #   define HASSETRLIMIT	1	/* has setrlimit(2) call */
2376 #  endif /* ! HASSETRLIMIT */
2377 #  ifndef HASGETUSERSHELL
2378 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
2379 #  endif /* ! HASGETUSERSHELL */
2380 #  ifndef HASFCHMOD
2381 #   define HASFCHMOD	1	/* most (all?) SVr4s seem to have fchmod(2) */
2382 #  endif /* ! HASFCHMOD */
2383 
2384 #  ifndef _PATH_UNIX
2385 #   define _PATH_UNIX		"/unix"
2386 #  endif /* ! _PATH_UNIX */
2387 #  ifndef _PATH_VENDOR_CF
2388 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2389 #  endif /* ! _PATH_VENDOR_CF */
2390 #  ifndef _PATH_SENDMAILPID
2391 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2392 #  endif /* ! _PATH_SENDMAILPID */
2393 #  ifndef SYSLOG_BUFSIZE
2394 #   define SYSLOG_BUFSIZE	128
2395 #  endif /* ! SYSLOG_BUFSIZE */
2396 #  ifndef SFS_TYPE
2397 #   define SFS_TYPE		SFS_STATVFS
2398 #  endif /* ! SFS_TYPE */
2399 
2400 #  ifndef USE_SIGLONGJMP
2401 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
2402 #  endif /* ! USE_SIGLONGJMP */
2403 # endif /* __svr4__ */
2404 
2405 # ifdef __SVR4
2406 #  define LDA_USE_LOCKF		1
2407 #  define LDA_USE_SETEUID	1
2408 #  define _PATH_MAILDIR		"/var/mail"
2409 # endif /* __SVR4 */
2410 
2411 /* general System V defines */
2412 # ifdef SYSTEM5
2413 #  include <sys/sysmacros.h>
2414 #  define HASUNAME	1	/* use System V uname(2) system call */
2415 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
2416 #  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
2417 #  ifndef HASULIMIT
2418 #   define HASULIMIT	1	/* has the ulimit(2) syscall */
2419 #  endif /* ! HASULIMIT */
2420 #  ifndef LA_TYPE
2421 #   ifdef MIOC_READKSYM
2422 #    define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
2423 #   else /* MIOC_READKSYM */
2424 #    define LA_TYPE	LA_INT		/* assume integer load average */
2425 #   endif /* MIOC_READKSYM */
2426 #  endif /* ! LA_TYPE */
2427 #  ifndef SFS_TYPE
2428 #   define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2429 #  endif /* ! SFS_TYPE */
2430 #  ifndef TZ_TYPE
2431 #   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
2432 #  endif /* ! TZ_TYPE */
2433 # endif /* SYSTEM5 */
2434 
2435 /* general POSIX defines */
2436 # ifdef _POSIX_VERSION
2437 #  define HASSETSID	1	/* has POSIX setsid(2) call */
2438 #  define HASWAITPID	1	/* has POSIX waitpid(2) call */
2439 #  if _POSIX_VERSION >= 199500 && !defined(USESETEUID)
2440 #   define USESETEUID	1	/* has usable seteuid(2) call */
2441 #  endif /* _POSIX_VERSION >= 199500 && !defined(USESETEUID) */
2442 # endif /* _POSIX_VERSION */
2443 /*
2444 **  Tweaking for systems that (for example) claim to be BSD or POSIX
2445 **  but don't have all the standard BSD or POSIX routines (boo hiss).
2446 */
2447 
2448 # ifdef titan
2449 #  undef HASINITGROUPS		/* doesn't have initgroups(3) call */
2450 # endif /* titan */
2451 
2452 # ifdef _CRAYCOM
2453 #  undef HASSETSID		/* despite POSIX claim, doesn't have setsid */
2454 # endif /* _CRAYCOM */
2455 
2456 # ifdef MOTO
2457 #  undef USESETEUID
2458 # endif /* MOTO */
2459 
2460 /*
2461 **  Due to a "feature" in some operating systems such as Ultrix 4.3 and
2462 **  HPUX 8.0, if you receive a "No route to host" message (ICMP message
2463 **  ICMP_UNREACH_HOST) on _any_ connection, all connections to that host
2464 **  are closed.  Some firewalls return this error if you try to connect
2465 **  to the IDENT port (113), so you can't receive email from these hosts
2466 **  on these systems.  The firewall really should use a more specific
2467 **  message such as ICMP_UNREACH_PROTOCOL or _PORT or _FILTER_PROHIB.  If
2468 **  not explicitly set to zero above, default it on.
2469 */
2470 
2471 # ifndef IDENTPROTO
2472 #  define IDENTPROTO	1	/* use IDENT proto (RFC 1413) */
2473 # endif /* ! IDENTPROTO */
2474 
2475 # ifndef IP_SRCROUTE
2476 #  define IP_SRCROUTE	1	/* Detect IP source routing */
2477 # endif /* ! IP_SRCROUTE */
2478 
2479 # ifndef HASGETUSERSHELL
2480 #  define HASGETUSERSHELL 1	/* libc has getusershell(3) call */
2481 # endif /* ! HASGETUSERSHELL */
2482 
2483 # ifndef NETUNIX
2484 #  define NETUNIX	1	/* include unix domain support */
2485 # endif /* ! NETUNIX */
2486 
2487 # ifndef HASRANDOM
2488 #  define HASRANDOM	1	/* has random(3) support */
2489 # endif /* ! HASRANDOM */
2490 
2491 # ifndef HASFLOCK
2492 #  define HASFLOCK	0	/* assume no flock(2) support */
2493 # endif /* ! HASFLOCK */
2494 
2495 # ifndef HASSETREUID
2496 #  define HASSETREUID	0	/* assume no setreuid(2) call */
2497 # endif /* ! HASSETREUID */
2498 
2499 # ifndef HASFCHMOD
2500 #  define HASFCHMOD	0	/* assume no fchmod(2) syscall */
2501 # endif /* ! HASFCHMOD */
2502 
2503 # ifndef USESETEUID
2504 #  define USESETEUID	0	/* assume no seteuid(2) call or no saved ids */
2505 # endif /* ! USESETEUID */
2506 
2507 # ifndef HASSETRLIMIT
2508 #  define HASSETRLIMIT	0	/* assume no setrlimit(2) support */
2509 # endif /* ! HASSETRLIMIT */
2510 
2511 # ifndef HASULIMIT
2512 #  define HASULIMIT	0	/* assume no ulimit(2) support */
2513 # endif /* ! HASULIMIT */
2514 
2515 # ifndef SECUREWARE
2516 #  define SECUREWARE	0	/* assume no SecureWare C2 auditing hooks */
2517 # endif /* ! SECUREWARE */
2518 
2519 # ifndef USE_DOUBLE_FORK
2520 #  define USE_DOUBLE_FORK	1	/* avoid intermediate zombies */
2521 # endif /* ! USE_DOUBLE_FORK */
2522 
2523 # ifndef USE_ENVIRON
2524 #  define USE_ENVIRON	0	/* use main() envp instead of extern environ */
2525 # endif /* ! USE_ENVIRON */
2526 
2527 # ifndef USE_SIGLONGJMP
2528 #  define USE_SIGLONGJMP	0	/* assume setjmp handles signals properly */
2529 # endif /* ! USE_SIGLONGJMP */
2530 
2531 # ifndef FDSET_CAST
2532 #  define FDSET_CAST		/* (empty) cast for fd_set arg to select */
2533 # endif /* ! FDSET_CAST */
2534 
2535 /*
2536 **  Pick a mailer setuid method for changing the current uid
2537 */
2538 
2539 # define USE_SETEUID	0
2540 # define USE_SETREUID	1
2541 # define USE_SETUID	2
2542 
2543 # if USESETEUID
2544 #  define MAILER_SETUID_METHOD	USE_SETEUID
2545 # else /* USESETEUID */
2546 #  if HASSETREUID
2547 #   define MAILER_SETUID_METHOD	USE_SETREUID
2548 #  else /* HASSETREUID */
2549 #   define MAILER_SETUID_METHOD	USE_SETUID
2550 #  endif /* HASSETREUID */
2551 # endif /* USESETEUID */
2552 
2553 /*
2554 **  If no type for argument two of getgroups call is defined, assume
2555 **  it's an integer -- unfortunately, there seem to be several choices
2556 **  here.
2557 */
2558 
2559 # ifndef GIDSET_T
2560 #  define GIDSET_T	int
2561 # endif /* ! GIDSET_T */
2562 
2563 # ifndef UID_T
2564 #  define UID_T		uid_t
2565 # endif /* ! UID_T */
2566 
2567 # ifndef GID_T
2568 #  define GID_T		gid_t
2569 # endif /* ! GID_T */
2570 
2571 # ifndef MODE_T
2572 #  define MODE_T		mode_t
2573 # endif /* ! MODE_T */
2574 
2575 # ifndef ARGV_T
2576 #  define ARGV_T		char **
2577 # endif /* ! ARGV_T */
2578 
2579 # ifndef SOCKADDR_LEN_T
2580 #  define SOCKADDR_LEN_T	int
2581 # endif /* ! SOCKADDR_LEN_T */
2582 
2583 # ifndef SOCKOPT_LEN_T
2584 #  define SOCKOPT_LEN_T	int
2585 # endif /* ! SOCKOPT_LEN_T */
2586 
2587 # ifndef QUAD_T
2588 #  define QUAD_T	unsigned long
2589 # endif /* ! QUAD_T */
2590 /**********************************************************************
2591 **  Remaining definitions should never have to be changed.  They are
2592 **  primarily to provide back compatibility for older systems -- for
2593 **  example, it includes some POSIX compatibility definitions
2594 **********************************************************************/
2595 
2596 /* System 5 compatibility */
2597 # ifndef S_ISREG
2598 #  define S_ISREG(foo)	((foo & S_IFMT) == S_IFREG)
2599 # endif /* ! S_ISREG */
2600 # ifndef S_ISDIR
2601 #  define S_ISDIR(foo)	((foo & S_IFMT) == S_IFDIR)
2602 # endif /* ! S_ISDIR */
2603 # if !defined(S_ISLNK) && defined(S_IFLNK)
2604 #  define S_ISLNK(foo)	((foo & S_IFMT) == S_IFLNK)
2605 # endif /* !defined(S_ISLNK) && defined(S_IFLNK) */
2606 # if !defined(S_ISFIFO)
2607 #  if defined(S_IFIFO)
2608 #   define S_ISFIFO(foo)	((foo & S_IFMT) == S_IFIFO)
2609 #  else /* defined(S_IFIFO) */
2610 #   define S_ISFIFO(foo)	false
2611 #  endif /* defined(S_IFIFO) */
2612 # endif /* !defined(S_ISFIFO) */
2613 # ifndef S_IRUSR
2614 #  define S_IRUSR		0400
2615 # endif /* ! S_IRUSR */
2616 # ifndef S_IWUSR
2617 #  define S_IWUSR		0200
2618 # endif /* ! S_IWUSR */
2619 # ifndef S_IRGRP
2620 #  define S_IRGRP		0040
2621 # endif /* ! S_IRGRP */
2622 # ifndef S_IWGRP
2623 #  define S_IWGRP		0020
2624 # endif /* ! S_IWGRP */
2625 # ifndef S_IROTH
2626 #  define S_IROTH		0004
2627 # endif /* ! S_IROTH */
2628 # ifndef S_IWOTH
2629 #  define S_IWOTH		0002
2630 # endif /* ! S_IWOTH */
2631 
2632 /* close-on-exec flag */
2633 # ifndef FD_CLOEXEC
2634 #  define FD_CLOEXEC	1
2635 # endif /* ! FD_CLOEXEC */
2636 
2637 /*
2638 **  Older systems don't have this error code -- it should be in
2639 **  /usr/include/sysexits.h.
2640 */
2641 
2642 # ifndef EX_CONFIG
2643 #  define EX_CONFIG	78	/* configuration error */
2644 # endif /* ! EX_CONFIG */
2645 
2646 /* pseudo-codes */
2647 # define EX_QUIT	22	/* drop out of server immediately */
2648 # define EX_RESTART	23	/* restart sendmail daemon */
2649 # define EX_SHUTDOWN	24	/* shutdown sendmail daemon */
2650 
2651 #ifndef EX_NOTFOUND
2652 # define EX_NOTFOUND	EX_NOHOST
2653 #endif /* ! EX_NOTFOUND */
2654 
2655 /* pseudo-code used for mci_setstat */
2656 # define EX_NOTSTICKY	(-5)	/* don't save persistent status */
2657 
2658 
2659 /*
2660 **  An "impossible" file mode to indicate that the file does not exist.
2661 */
2662 
2663 # define ST_MODE_NOFILE	0171147		/* unlikely to occur */
2664 
2665 
2666 /* type of arbitrary pointer */
2667 # ifndef ARBPTR_T
2668 #  define ARBPTR_T	void *
2669 # endif /* ! ARBPTR_T */
2670 
2671 # ifndef __P
2672 #  include "sm/cdefs.h"
2673 # endif /* ! __P */
2674 
2675 # if HESIOD && !defined(NAMED_BIND)
2676 #  define NAMED_BIND	1	/* not one without the other */
2677 # endif /* HESIOD && !defined(NAMED_BIND) */
2678 
2679 #  if NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno )
2680 extern int	h_errno;
2681 #  endif /* NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno ) */
2682 
2683 # if NEEDPUTENV
2684 extern int	putenv __P((char *));
2685 # endif /* NEEDPUTENV */
2686 
2687 #if !HASUNSETENV
2688 extern void	unsetenv __P((char *));
2689 #endif /* !HASUNSETENV */
2690 
2691 # ifdef LDAPMAP
2692 #  include <sys/time.h>
2693 #  include <lber.h>
2694 #  include <ldap.h>
2695 
2696 /* Some LDAP constants */
2697 #  define LDAPMAP_FALSE		0
2698 #  define LDAPMAP_TRUE		1
2699 
2700 /*
2701 **  ldap_init(3) is broken in Umich 3.x and OpenLDAP 1.0/1.1.
2702 **  Use the lack of LDAP_OPT_SIZELIMIT to detect old API implementations
2703 **  and assume (falsely) that all old API implementations are broken.
2704 **  (OpenLDAP 1.2 and later have a working ldap_init(), add -DUSE_LDAP_INIT)
2705 */
2706 
2707 #  if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT)
2708 #   define USE_LDAP_INIT	1
2709 #  endif /* defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT) */
2710 
2711 /*
2712 **  LDAP_OPT_SIZELIMIT is not defined under Umich 3.x nor OpenLDAP 1.x,
2713 **  hence ldap_set_option() must not exist.
2714 */
2715 
2716 #  if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION)
2717 #   define USE_LDAP_SET_OPTION	1
2718 #  endif /* defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION) */
2719 
2720 # endif /* LDAPMAP */
2721 
2722 # if HASUNAME
2723 #  include <sys/utsname.h>
2724 #  ifdef newstr
2725 #   undef newstr
2726 #  endif /* newstr */
2727 # else /* HASUNAME */
2728 #  define NODE_LENGTH 32
2729 struct utsname
2730 {
2731 	char nodename[NODE_LENGTH + 1];
2732 };
2733 # endif /* HASUNAME */
2734 
2735 # if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V)
2736 #  define MAXHOSTNAMELEN	256
2737 # endif /* !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V) */
2738 
2739 # if !defined(SIGCHLD) && defined(SIGCLD)
2740 #  define SIGCHLD	SIGCLD
2741 # endif /* !defined(SIGCHLD) && defined(SIGCLD) */
2742 
2743 # ifndef STDIN_FILENO
2744 #  define STDIN_FILENO	0
2745 # endif /* ! STDIN_FILENO */
2746 
2747 # ifndef STDOUT_FILENO
2748 #  define STDOUT_FILENO	1
2749 # endif /* ! STDOUT_FILENO */
2750 
2751 # ifndef STDERR_FILENO
2752 #  define STDERR_FILENO	2
2753 # endif /* ! STDERR_FILENO */
2754 
2755 # ifndef LOCK_SH
2756 #  define LOCK_SH	0x01	/* shared lock */
2757 #  define LOCK_EX	0x02	/* exclusive lock */
2758 #  define LOCK_NB	0x04	/* non-blocking lock */
2759 #  define LOCK_UN	0x08	/* unlock */
2760 # endif /* ! LOCK_SH */
2761 
2762 # ifndef S_IXOTH
2763 #  define S_IXOTH	(S_IEXEC >> 6)
2764 # endif /* ! S_IXOTH */
2765 
2766 # ifndef S_IXGRP
2767 #  define S_IXGRP	(S_IEXEC >> 3)
2768 # endif /* ! S_IXGRP */
2769 
2770 # ifndef S_IXUSR
2771 #  define S_IXUSR	(S_IEXEC)
2772 # endif /* ! S_IXUSR */
2773 
2774 #ifndef O_ACCMODE
2775 # define O_ACCMODE	(O_RDONLY|O_WRONLY|O_RDWR)
2776 #endif /* ! O_ACCMODE */
2777 
2778 # ifndef SEEK_SET
2779 #  define SEEK_SET	0
2780 #  define SEEK_CUR	1
2781 #  define SEEK_END	2
2782 # endif /* ! SEEK_SET */
2783 
2784 # ifndef SIG_ERR
2785 #  define SIG_ERR	((void (*)()) -1)
2786 # endif /* ! SIG_ERR */
2787 
2788 # ifndef WEXITSTATUS
2789 #  define WEXITSTATUS(st)	(((st) >> 8) & 0377)
2790 # endif /* ! WEXITSTATUS */
2791 # ifndef WIFEXITED
2792 #  define WIFEXITED(st)		(((st) & 0377) == 0)
2793 # endif /* ! WIFEXITED */
2794 # ifndef WIFSTOPPED
2795 #  define WIFSTOPPED(st)		(((st) & 0100) == 0)
2796 # endif /* ! WIFSTOPPED */
2797 # ifndef WCOREDUMP
2798 #  define WCOREDUMP(st)		(((st) & 0200) != 0)
2799 # endif /* ! WCOREDUMP */
2800 # ifndef WTERMSIG
2801 #  define WTERMSIG(st)		(((st) & 0177))
2802 # endif /* ! WTERMSIG */
2803 
2804 # ifndef SIGFUNC_DEFINED
2805 typedef void		(*sigfunc_t) __P((int));
2806 # endif /* ! SIGFUNC_DEFINED */
2807 # ifndef SIGFUNC_RETURN
2808 #  define SIGFUNC_RETURN
2809 # endif /* ! SIGFUNC_RETURN */
2810 # ifndef SIGFUNC_DECL
2811 #  define SIGFUNC_DECL	void
2812 # endif /* ! SIGFUNC_DECL */
2813 
2814 /* size of syslog buffer */
2815 # ifndef SYSLOG_BUFSIZE
2816 #  define SYSLOG_BUFSIZE	1024
2817 # endif /* ! SYSLOG_BUFSIZE */
2818 
2819 /* for FD_SET() */
2820 #ifndef FD_SETSIZE
2821 # define FD_SETSIZE	256
2822 #endif /* ! FD_SETSIZE */
2823 
2824 /*
2825 **  Size of prescan buffer.
2826 **	Despite comments in the _sendmail_ book, this probably should
2827 **	not be changed; there are some hard-to-define dependencies.
2828 */
2829 
2830 # define PSBUFSIZE	(MAXNAME + MAXATOM)	/* size of prescan buffer */
2831 
2832 /* fork routine -- set above using #ifdef _osname_ or in Makefile */
2833 # ifndef FORK
2834 #  define FORK		fork		/* function to call to fork mailer */
2835 # endif /* ! FORK */
2836 
2837 /* setting h_errno */
2838 # ifndef SM_SET_H_ERRNO
2839 #  define SM_SET_H_ERRNO(err)	h_errno = (err)
2840 # endif /* SM_SET_H_ERRNO */
2841 
2842 # ifndef SM_CONF_GETOPT
2843 #  define SM_CONF_GETOPT	1
2844 # endif /* ! SM_CONF_GETOPT */
2845 
2846 /* random routine -- set above using #ifdef _osname_ or in Makefile */
2847 # if HASRANDOM
2848 #  define get_random()	random()
2849 # else /* HASRANDOM */
2850 #  define get_random()	((long) rand())
2851 #  ifndef RANDOMSHIFT
2852 #   define RANDOMSHIFT	8
2853 #  endif /* ! RANDOMSHIFT */
2854 # endif /* HASRANDOM */
2855 
2856 /*
2857 **  Default to using scanf in readcf.
2858 */
2859 
2860 # ifndef SCANF
2861 #  define SCANF		1
2862 # endif /* ! SCANF */
2863 
2864 /* XXX  32 bit type */
2865 # ifndef SM_INT32
2866 #  define SM_INT32	int32_t
2867 # endif /* ! SM_INT32 */
2868 
2869 /*
2870 **  SVr4 and similar systems use different routines for setjmp/longjmp
2871 **  with signal support
2872 */
2873 
2874 # if USE_SIGLONGJMP
2875 #  ifdef jmp_buf
2876 #   undef jmp_buf
2877 #  endif /* jmp_buf */
2878 #  define jmp_buf		sigjmp_buf
2879 #  ifdef setjmp
2880 #   undef setjmp
2881 #  endif /* setjmp */
2882 #  define setjmp(env)		sigsetjmp(env, 1)
2883 #  ifdef longjmp
2884 #   undef longjmp
2885 #  endif /* longjmp */
2886 #  define longjmp(env, val)	siglongjmp(env, val)
2887 # endif /* USE_SIGLONGJMP */
2888 
2889 # if !defined(NGROUPS_MAX) && defined(NGROUPS)
2890 #  define NGROUPS_MAX	NGROUPS		/* POSIX naming convention */
2891 # endif /* !defined(NGROUPS_MAX) && defined(NGROUPS) */
2892 
2893 /*
2894 **  Some snprintf() implementations are rumored not to NUL terminate.
2895 */
2896 # if SNPRINTF_IS_BROKEN
2897 #  ifdef snprintf
2898 #   undef snprintf
2899 #  endif /* snprintf */
2900 #  define snprintf	sm_snprintf
2901 #  ifdef vsnprintf
2902 #   undef vsnprintf
2903 #  endif /* vsnprintf */
2904 #  define vsnprintf	sm_vsnprintf
2905 # endif /* SNPRINTF_IS_BROKEN */
2906 
2907 /*
2908 **  If we don't have a system syslog, simulate it.
2909 */
2910 
2911 # if !LOG
2912 #  define LOG_EMERG	0	/* system is unusable */
2913 #  define LOG_ALERT	1	/* action must be taken immediately */
2914 #  define LOG_CRIT	2	/* critical conditions */
2915 #  define LOG_ERR	3	/* error conditions */
2916 #  define LOG_WARNING	4	/* warning conditions */
2917 #  define LOG_NOTICE	5	/* normal but significant condition */
2918 #  define LOG_INFO	6	/* informational */
2919 #  define LOG_DEBUG	7	/* debug-level messages */
2920 # endif /* !LOG */
2921 
2922 # ifndef SM_CONF_SYSLOG
2923 #  define SM_CONF_SYSLOG 1	/* syslog.h has prototype for syslog() */
2924 # endif /* SM_CONF_SYSLOG */
2925 
2926 # if !SM_CONF_SYSLOG
2927 #   ifdef __STDC__
2928 extern void	syslog(int, const char *, ...);
2929 #   else /* __STDC__ */
2930 extern void	syslog();
2931 #   endif /* __STDC__ */
2932 # endif /* !SM_CONF_SYSLOG */
2933 
2934 /* portable(?) definition for alignment */
2935 # ifndef SM_ALIGN_SIZE
2936 struct sm_align
2937 {
2938 	char al_c;
2939 	union
2940 	{
2941 		long	al_l;
2942 		void	*al_p;
2943 		double	al_d;
2944 		void	(*al_f) __P((void));
2945 	} al_u;
2946 };
2947 #  define SM_ALIGN_SIZE offsetof(struct sm_align, al_u)
2948 # endif /* ! SM_ALIGN_SIZE */
2949 # define SM_ALIGN_BITS (SM_ALIGN_SIZE - 1)
2950 
2951 #endif /* ! SM_CONF_H */
2952