xref: /freebsd/contrib/sendmail/include/sm/conf.h (revision 6b3455a7665208c366849f0b2b3bc916fb97516e)
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 1.116 2004/07/26 18:08:35 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 **  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(__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(__FreeBSD__)
923 #   define HASSETLOGIN	1	/* has setlogin(2) */
924 #   if __FreeBSD_version >= 227001
925 #    define HASSRANDOMDEV	1	/* has srandomdev(3) */
926 #    define HASURANDOMDEV	1	/* has /dev/urandom(4) */
927 #   endif /* __FreeBSD_version >= 227001 */
928 #   undef SPT_TYPE
929 #   if __FreeBSD__ >= 2
930 #    include <osreldate.h>
931 #    if __FreeBSD_version >= 199512	/* 2.2-current when it appeared */
932 #     include <libutil.h>
933 #     define SPT_TYPE	SPT_BUILTIN
934 #    endif /* __FreeBSD_version >= 199512 */
935 #    if __FreeBSD_version >= 222000	/* 2.2.2-release and later */
936 #     define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
937 #    endif /* __FreeBSD_version >= 222000 */
938 #    if __FreeBSD_version >= 330000	/* 3.3.0-release and later */
939 #     ifndef SMRSH_CMDDIR
940 #      define SMRSH_CMDDIR	"/usr/libexec/sm.bin"
941 #     endif /* ! SMRSH_CMDDIR */
942 #     ifndef SMRSH_PATH
943 #      define SMRSH_PATH	"/bin:/usr/bin"
944 #     endif /* ! SMRSH_PATH */
945 #    endif /* __FreeBSD_version >= 330000 */
946 #    define USESYSCTL		1	/* use sysctl(3) for getting ncpus */
947 #    include <sys/sysctl.h>
948 #   endif /* __FreeBSD__ >= 2 */
949 #   ifndef SPT_TYPE
950 #    define SPT_TYPE	SPT_REUSEARGV
951 #    define SPT_PADCHAR	'\0'		/* pad process title with nulls */
952 #   endif /* ! SPT_TYPE */
953 #  endif /* defined(__FreeBSD__) */
954 #  if defined(__OpenBSD__)
955 #   undef SPT_TYPE
956 #   define SPT_TYPE	SPT_BUILTIN	/* setproctitle is in libc */
957 #   define HASSETLOGIN	1	/* has setlogin(2) */
958 #   if OpenBSD < 200305
959 #    define HASSETREUID	0	/* setreuid(2) broken in OpenBSD < 3.3 */
960 #   endif /* OpenBSD < 200305 */
961 #   define HASSETEGID	1	/* use setegid(2) to set saved gid */
962 #   define HASURANDOMDEV	1	/* has /dev/urandom(4) */
963 #   if OpenBSD >= 200006
964 #    define HASSRANDOMDEV	1	/* has srandomdev(3) */
965 #   endif /* OpenBSD >= 200006 */
966 #   if OpenBSD >= 200012
967 #    define HASSETUSERCONTEXT	1	/* BSDI-style login classes */
968 #   endif /* OpenBSD >= 200012 */
969 #   if OpenBSD >= 200405
970 #    define HASCLOSEFROM	1	/* closefrom(3) added in 3.5 */
971 #   endif /* OpenBSD >= 200405 */
972 #  endif /* defined(__OpenBSD__) */
973 # endif /* defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) */
974 
975 
976 /*
977 **  Mach386
978 **
979 **	For mt Xinu's Mach386 system.
980 */
981 
982 # if defined(MACH) && defined(i386) && !defined(__GNU__)
983 #  define MACH386	1
984 #  define HASUNSETENV	1	/* has unsetenv(3) call */
985 #  define HASINITGROUPS	1	/* has initgroups(3) call */
986 #  ifndef HASFLOCK
987 #   define HASFLOCK	1	/* has flock(2) call */
988 #  endif /* ! HASFLOCK */
989 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
990 #  define NEEDSTRTOL	1	/* need the strtol() function */
991 #  define setpgid	setpgrp
992 #  ifndef LA_TYPE
993 #   define LA_TYPE	LA_FLOAT
994 #  endif /* ! LA_TYPE */
995 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
996 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
997 #  undef WEXITSTATUS
998 #  undef WIFEXITED
999 #  ifndef _PATH_VENDOR_CF
1000 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1001 #  endif /* ! _PATH_VENDOR_CF */
1002 #  ifndef _PATH_SENDMAILPID
1003 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1004 #  endif /* ! _PATH_SENDMAILPID */
1005 # endif /* defined(MACH) && defined(i386) && !defined(__GNU__) */
1006 
1007 
1008 
1009 /*
1010 **  GNU OS (hurd)
1011 **	Largely BSD & posix compatible.
1012 **	Port contributed by Miles Bader <miles@gnu.ai.mit.edu>.
1013 **	Updated by Mark Kettenis <kettenis@wins.uva.nl>.
1014 */
1015 
1016 # if defined(__GNU__) && !defined(NeXT)
1017 #  include <paths.h>
1018 #  define HASFCHMOD	1	/* has fchmod(2) call */
1019 #  define HASFCHOWN	1	/* has fchown(2) call */
1020 #  define HASUNAME	1	/* has uname(2) call */
1021 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1022 #  define HAS_ST_GEN	1	/* has st_gen field in stat struct */
1023 #  define HASSTRERROR	1	/* has strerror(3) */
1024 #  define GIDSET_T	gid_t
1025 #  define SOCKADDR_LEN_T	socklen_t
1026 #  define SOCKOPT_LEN_T	socklen_t
1027 #  if (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2
1028 #   define LA_TYPE	LA_SUBR
1029 #  else /* (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2 */
1030 #   define LA_TYPE	LA_MACH
1031    /* GNU uses mach[34], which renames some rpcs from mach2.x. */
1032 #   define host_self	mach_host_self
1033 #  endif /* (__GLIBC__ == 2 && __GLIBC_MINOR__ > 1) || __GLIBC__ > 2 */
1034 #  define SFS_TYPE	SFS_STATFS
1035 #  define SPT_TYPE	SPT_CHANGEARGV
1036 #  define ERRLIST_PREDEFINED	1	/* don't declare sys_errlist */
1037 #  define BSD4_4_SOCKADDR	1	/* has sa_len */
1038 #  define SIOCGIFCONF_IS_BROKEN  1	/* SIOCGFCONF doesn't work */
1039 #  define HAS_IN_H	1	/* GNU has netinet/in.h. */
1040 /* GNU has no MAXPATHLEN; ideally the code should be changed to not use it. */
1041 #  define MAXPATHLEN	2048
1042 # endif /* defined(__GNU__) && !defined(NeXT) */
1043 
1044 /*
1045 **  4.3 BSD -- this is for very old systems
1046 **
1047 **	Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1.
1048 **
1049 **	You'll also have to install a new resolver library.
1050 **	I don't guarantee that support for this environment is complete.
1051 */
1052 
1053 # if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd)
1054 #  define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
1055 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1056 #  define ARBPTR_T	char *
1057 #  define setpgid	setpgrp
1058 #  ifndef LA_TYPE
1059 #   define LA_TYPE	LA_FLOAT
1060 #  endif /* ! LA_TYPE */
1061 #  ifndef _PATH_VENDOR_CF
1062 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1063 #  endif /* ! _PATH_VENDOR_CF */
1064 #  ifndef IDENTPROTO
1065 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1066 #  endif /* ! IDENTPROTO */
1067 #  undef WEXITSTATUS
1068 #  undef WIFEXITED
1069 typedef short		pid_t;
1070 # endif /* defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) */
1071 
1072 
1073 /*
1074 **  SCO Unix
1075 **
1076 **	This includes three parts:
1077 **
1078 **	The first is for SCO OpenServer 5.
1079 **	(Contributed by Keith Reynolds <keithr@sco.COM>).
1080 **
1081 **		SCO OpenServer 5 has a compiler version number macro,
1082 **		which we can use to figure out what version we're on.
1083 **		This may have to change in future releases.
1084 **
1085 **	The second is for SCO UNIX 3.2v4.2/Open Desktop 3.0.
1086 **	(Contributed by Philippe Brand <phb@colombo.telesys-innov.fr>).
1087 **
1088 **	The third is for SCO UNIX 3.2v4.0/Open Desktop 2.0 and earlier.
1089 */
1090 
1091 /* SCO OpenServer 5 */
1092 # if _SCO_DS >= 1
1093 #  include <paths.h>
1094 #  define SIOCGIFNUM_IS_BROKEN 1	/* SIOCGIFNUM returns bogus value */
1095 #  define HASFCHMOD	1	/* has fchmod(2) call */
1096 #  define HASFCHOWN	1	/* has fchown(2) call */
1097 #  define HASSETRLIMIT	1	/* has setrlimit(2) call */
1098 #  define USESETEUID	1	/* has seteuid(2) call */
1099 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1100 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
1101 #  define RLIMIT_NEEDS_SYS_TIME_H	1
1102 #  define LDA_USE_LOCKF	1
1103 #  ifndef LA_TYPE
1104 #   define LA_TYPE	LA_DEVSHORT
1105 #  endif /* ! LA_TYPE */
1106 #  define _PATH_AVENRUN	"/dev/table/avenrun"
1107 #  ifndef _SCO_unix_4_2
1108 #   define _SCO_unix_4_2
1109 #  else /* ! _SCO_unix_4_2 */
1110 #   define SOCKADDR_LEN_T	size_t	/* e.g., arg#3 to accept, getsockname */
1111 #   define SOCKOPT_LEN_T		size_t	/* arg#5 to getsockopt */
1112 #  endif /* ! _SCO_unix_4_2 */
1113 # endif /* _SCO_DS >= 1 */
1114 
1115 /* SCO UNIX 3.2v4.2/Open Desktop 3.0 */
1116 # ifdef _SCO_unix_4_2
1117 #  define _SCO_unix_
1118 #  define HASSETREUID	1	/* has setreuid(2) call */
1119 # endif /* _SCO_unix_4_2 */
1120 
1121 /* SCO UNIX 3.2v4.0 Open Desktop 2.0 and earlier */
1122 # ifdef _SCO_unix_
1123 #  include <sys/stream.h>	/* needed for IP_SRCROUTE */
1124 #  define SYSTEM5	1	/* include all the System V defines */
1125 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1126 #  define NOFTRUNCATE	0	/* has (simulated) ftruncate call */
1127 #  ifndef USE_SIGLONGJMP
1128 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
1129 #  endif /* ! USE_SIGLONGJMP */
1130 #  define MAXPATHLEN	PATHSIZE
1131 #  define SFS_TYPE	SFS_4ARGS	/* use <sys/statfs.h> 4-arg impl */
1132 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1133 #  define SPT_TYPE	SPT_SCO		/* write kernel u. area */
1134 #  define TZ_TYPE	TZ_TM_NAME	/* use tm->tm_name */
1135 #  define UID_T		uid_t
1136 #  define GID_T		gid_t
1137 #  define GIDSET_T	gid_t
1138 #  define _PATH_UNIX		"/unix"
1139 #  ifndef _PATH_VENDOR_CF
1140 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1141 #  endif /* ! _PATH_VENDOR_CF */
1142 #  ifndef _PATH_SENDMAILPID
1143 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1144 #  endif /* ! _PATH_SENDMAILPID */
1145 
1146 /* stuff fixed in later releases */
1147 #  ifndef _SCO_unix_4_2
1148 #   define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1149 #  endif /* ! _SCO_unix_4_2 */
1150 
1151 #  ifndef _SCO_DS
1152 #   define ftruncate	chsize	/* use chsize(2) to emulate ftruncate */
1153 #   define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1154 #   define NETUNIX	0	/* no unix domain socket support */
1155 #   define LA_TYPE	LA_SHORT
1156 #  endif /* ! _SCO_DS */
1157 
1158 # endif /* _SCO_unix_ */
1159 
1160 /*
1161 **  ISC (SunSoft) Unix.
1162 **
1163 **	Contributed by J.J. Bailey <jjb@jagware.bcc.com>
1164 */
1165 
1166 # ifdef ISC_UNIX
1167 #  include <net/errno.h>
1168 #  include <sys/stream.h>	/* needed for IP_SRCROUTE */
1169 #  include <sys/bsdtypes.h>
1170 #  define SYSTEM5	1	/* include all the System V defines */
1171 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1172 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1173 #  define HASSETREUID	1	/* has setreuid(2) call */
1174 #  define NEEDFSYNC	1	/* needs the fsync(2) call stub */
1175 #  define NETUNIX	0	/* no unix domain socket support */
1176 #  define MAXPATHLEN	1024
1177 #  define LA_TYPE	LA_SHORT
1178 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1179 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1180 #  define _PATH_UNIX		"/unix"
1181 #  ifndef _PATH_VENDOR_CF
1182 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1183 #  endif /* ! _PATH_VENDOR_CF */
1184 #  ifndef _PATH_SENDMAILPID
1185 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1186 #  endif /* ! _PATH_SENDMAILPID */
1187 # endif /* ISC_UNIX */
1188 
1189 
1190 /*
1191 **  Altos System V (5.3.1)
1192 **	Contributed by Tim Rice <tim@trr.metro.net>.
1193 */
1194 
1195 # ifdef ALTOS_SYSTEM_V
1196 #  include <sys/stream.h>
1197 #  include <limits.h>
1198 #  define SYSTEM5	1	/* include all the System V defines */
1199 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1200 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1201 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1202 #  define NEEDFSYNC	1	/* no fsync(2) in system library */
1203 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1204 #  define NOFTRUNCATE	1	/* do not have ftruncate(2) */
1205 #  define MAXPATHLEN	PATH_MAX
1206 #  define LA_TYPE	LA_SHORT
1207 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1208 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1209 #  define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
1210 #  define NETUNIX	0	/* no unix domain socket support */
1211 #  undef WIFEXITED
1212 #  undef WEXITSTATUS
1213 #  define strtoul	strtol	/* gcc library bogosity */
1214 
1215 typedef unsigned short	uid_t;
1216 typedef unsigned short	gid_t;
1217 typedef short		pid_t;
1218 typedef unsigned long	mode_t;
1219 
1220 /* some stuff that should have been in the include files */
1221 extern char		*malloc();
1222 extern struct passwd	*getpwent();
1223 extern struct passwd	*getpwnam();
1224 extern struct passwd	*getpwuid();
1225 extern char		*getenv();
1226 extern struct group	*getgrgid();
1227 extern struct group	*getgrnam();
1228 
1229 # endif /* ALTOS_SYSTEM_V */
1230 
1231 
1232 /*
1233 **  ConvexOS 11.0 and later
1234 **
1235 **	"Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this
1236 **	works on 9.1 as well.
1237 **
1238 **  ConvexOS 11.5 and later, should work on 11.0 as defined.
1239 **  For pre-ConvexOOS 11.0, define SM_CONF_GETOPT=0, undef IDENTPROTO
1240 **
1241 **	Eric Schnoebelen (eric@cirr.com) For CONVEX Computer Corp.
1242 **		(now the CONVEX Technologies Center of Hewlett Packard)
1243 */
1244 
1245 # ifdef _CONVEX_SOURCE
1246 #  define HASGETDTABLESIZE	1	/* has getdtablesize(2) */
1247 #  define HASINITGROUPS	1	/* has initgroups(3) */
1248 #  define HASUNAME	1	/* use System V uname(2) system call */
1249 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1250 #  define HASUNSETENV	1	/* has unsetenv(3) */
1251 #  define HASFLOCK	1	/* has flock(2) */
1252 #  define HASSETRLIMIT	1	/* has setrlimit(2) */
1253 #  define HASSETREUID	1	/* has setreuid(2) */
1254 #  define BROKEN_RES_SEARCH	1	/* res_search(unknown) returns h_error=0 */
1255 #  define NEEDPUTENV	1	/* needs putenv (written in terms of setenv) */
1256 #  define SM_CONF_GETOPT	1	/* need a replacement for getopt(3) */
1257 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
1258 #  define LA_TYPE	LA_FLOAT
1259 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1260 #  ifndef _PATH_VENDOR_CF
1261 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1262 #  endif /* ! _PATH_VENDOR_CF */
1263 #  ifndef S_IREAD
1264 #   define S_IREAD	_S_IREAD
1265 #   define S_IWRITE	_S_IWRITE
1266 #   define S_IEXEC	_S_IEXEC
1267 #   define S_IFMT	_S_IFMT
1268 #   define S_IFCHR	_S_IFCHR
1269 #   define S_IFBLK	_S_IFBLK
1270 #  endif /* ! S_IREAD */
1271 #  ifndef TZ_TYPE
1272 #   define TZ_TYPE	TZ_TIMEZONE
1273 #  endif /* ! TZ_TYPE */
1274 #  ifndef IDENTPROTO
1275 #   define IDENTPROTO	1
1276 #  endif /* ! IDENTPROTO */
1277 #  ifndef SHARE_V1
1278 #   define SHARE_V1	1	/* version 1 of the fair share scheduler */
1279 #  endif /* ! SHARE_V1 */
1280 #  if !defined(__GNUC__ )
1281 #   define UID_T	int		/* GNUC gets it right, ConvexC botches */
1282 #   define GID_T	int		/* GNUC gets it right, ConvexC botches */
1283 #  endif /* !defined(__GNUC__ ) */
1284 #  if SECUREWARE
1285 #   define FORK	fork		/* SecureWare wants the real fork! */
1286 #  else /* SECUREWARE */
1287 #   define FORK	vfork		/* the rest of the OS versions don't care */
1288 #  endif /* SECUREWARE */
1289 # endif /* _CONVEX_SOURCE */
1290 
1291 
1292 /*
1293 **  RISC/os 4.52
1294 **
1295 **	Gives a ton of warning messages, but otherwise compiles.
1296 */
1297 
1298 # ifdef RISCOS
1299 
1300 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1301 #  ifndef HASFLOCK
1302 #   define HASFLOCK	1	/* has flock(2) call */
1303 #  endif /* ! HASFLOCK */
1304 #  define WAITUNION	1	/* use "union wait" as wait argument type */
1305 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1306 #  define NEEDPUTENV	1	/* need putenv(3) call */
1307 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
1308 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1309 #  define LA_TYPE	LA_INT
1310 #  define LA_AVENRUN	"avenrun"
1311 #  define _PATH_UNIX	"/unix"
1312 #  undef WIFEXITED
1313 
1314 #  define setpgid	setpgrp
1315 
1316 typedef int		pid_t;
1317 #  define SIGFUNC_DEFINED
1318 #  define SIGFUNC_RETURN	(0)
1319 #  define SIGFUNC_DECL	int
1320 typedef int		(*sigfunc_t)();
1321 extern char		*getenv();
1322 extern void		*malloc();
1323 
1324 /* added for RISC/os 4.01...which is dumber than 4.50 */
1325 #  ifdef RISCOS_4_0
1326 #   ifndef ARBPTR_T
1327 #    define ARBPTR_T	char *
1328 #   endif /* ! ARBPTR_T */
1329 #   undef HASFLOCK
1330 #   define HASFLOCK	0
1331 #  endif /* RISCOS_4_0 */
1332 
1333 #  include <sys/time.h>
1334 
1335 # endif /* RISCOS */
1336 
1337 
1338 /*
1339 **  Linux 0.99pl10 and above...
1340 **
1341 **  Thanks to, in reverse order of contact:
1342 **
1343 **	John Kennedy <warlock@csuchico.edu>
1344 **	Andrew Pam <avatar@aus.xanadu.com>
1345 **	Florian La Roche <rzsfl@rz.uni-sb.de>
1346 **	Karl London <karl@borg.demon.co.uk>
1347 **
1348 **  NOTE: Override HASFLOCK as you will but, as of 1.99.6, mixed-style
1349 **	file locking is no longer allowed.  In particular, make sure
1350 **	your DBM library and sendmail are both using either flock(2)
1351 **	*or* fcntl(2) file locking, but not both.
1352 */
1353 
1354 # ifdef __linux__
1355 #  include <linux/version.h>
1356 #  if !defined(KERNEL_VERSION)	/* not defined in 2.0.x kernel series */
1357 #   define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
1358 #  endif /* !defined(KERNEL_VERSION) */
1359 #  define BSD		1	/* include BSD defines */
1360 #  define HASSETREGID	1	/* use setregid(2) to set saved gid */
1361 #  ifndef REQUIRES_DIR_FSYNC
1362 #   define REQUIRES_DIR_FSYNC	1	/* requires fsync() on directory */
1363 #  endif /* REQUIRES_DIR_FSYNC */
1364 #  ifndef USESETEUID
1365 #   define USESETEUID	0	/* has it due to POSIX, but doesn't work */
1366 #  endif /* USESETEUID */
1367 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
1368 #  define HASUNAME	1	/* use System V uname(2) system call */
1369 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1370 #  define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
1371 #  define GIDSET_T	gid_t	/* from <linux/types.h> */
1372 #  ifndef HASGETUSERSHELL
1373 #   define HASGETUSERSHELL 0	/* getusershell(3) broken in Slackware 2.0 */
1374 #  endif /* HASGETUSERSHELL */
1375 #  ifndef IP_SRCROUTE
1376 #   define IP_SRCROUTE	0	/* linux <= 1.2.8 doesn't support IP_OPTIONS */
1377 #  endif /* ! IP_SRCROUTE */
1378 #  ifndef HAS_IN_H
1379 #   define HAS_IN_H	1	/* use netinet/in.h */
1380 #  endif /* ! HAS_IN_H */
1381 #  ifndef USE_SIGLONGJMP
1382 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
1383 #  endif /* ! USE_SIGLONGJMP */
1384 #  ifndef HASFLOCK
1385 #   if LINUX_VERSION_CODE < 66399
1386 #    define HASFLOCK	0	/* flock(2) is broken after 0.99.13 */
1387 #   else /* LINUX_VERSION_CODE < 66399 */
1388 #     if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
1389 #      define HASFLOCK	1	/* flock(2) fixed after 1.3.95 */
1390 #     else /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) */
1391 #      define HASFLOCK	0	/* flock(2) is broken (again) after 2.4.0 */
1392 #     endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) */
1393 #   endif /* LINUX_VERSION_CODE < 66399 */
1394 #  endif /* ! HASFLOCK */
1395 #  ifndef LA_TYPE
1396 #   define LA_TYPE	LA_PROCSTR
1397 #  endif /* ! LA_TYPE */
1398 #  define SFS_TYPE	SFS_VFS		/* use <sys/vfs.h> statfs() impl */
1399 #  define SPT_PADCHAR	'\0'		/* pad process title with nulls */
1400 #  if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0))
1401 #   ifndef HASURANDOMDEV
1402 #    define HASURANDOMDEV 1	/* 2.0 (at least) has linux/drivers/char/random.c */
1403 #   endif /* ! HASURANDOMDEV */
1404 #  endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,0)) */
1405 #  if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1406 #   define HASSTRERROR	1	/* has strerror(3) */
1407 #  endif /* defined(__GLIBC__) && defined(__GLIBC_MINOR__) */
1408 #  ifndef TZ_TYPE
1409 #   define TZ_TYPE	TZ_NONE		/* no standard for Linux */
1410 #  endif /* ! TZ_TYPE */
1411 #  if (__GLIBC__ >= 2)
1412 #   include <paths.h>
1413 #  endif /* (__GLIBC__ >= 2) */
1414 #  ifndef _PATH_SENDMAILPID
1415 #   define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
1416 #  endif /* ! _PATH_SENDMAILPID */
1417 #  include <sys/sysmacros.h>
1418 #  undef atol			/* wounded in <stdlib.h> */
1419 #  if NETINET6
1420    /*
1421    **  Linux doesn't have a good way to tell userland what interfaces are
1422    **  IPv6-capable.  Therefore, the BIND resolver can not determine if there
1423    **  are IPv6 interfaces to honor AI_ADDRCONFIG.  Unfortunately, it assumes
1424    **  that none are present.  (Excuse the macro name ADDRCONFIG_IS_BROKEN.)
1425    */
1426 #   define ADDRCONFIG_IS_BROKEN	1
1427 
1428    /*
1429    **  Indirectly included from glibc's <feature.h>.  IPv6 support is native
1430    **  in 2.1 and later, but the APIs appear before the functions.
1431    */
1432 #   if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1433 #    define GLIBC_VERSION ((__GLIBC__ << 8) + __GLIBC_MINOR__)
1434 #    if (GLIBC_VERSION >= 0x201)
1435 #     undef IPPROTO_ICMPV6	/* linux #defines, glibc enums */
1436 #    else /* (GLIBC_VERSION >= 0x201) */
1437 #     include <linux/in6.h>	/* IPv6 support */
1438 #    endif /* (GLIBC_VERSION >= 0x201) */
1439 #    if (GLIBC_VERSION >= 0x201 && !defined(NEEDSGETIPNODE))
1440      /* Have APIs in <netdb.h>, but no support in glibc */
1441 #     define NEEDSGETIPNODE	1
1442 #    endif /* (GLIBC_VERSION >= 0x201 && !defined(NEEDSGETIPNODE)) */
1443 #    undef GLIBC_VERSION
1444 #   endif /* defined(__GLIBC__) && defined(__GLIBC_MINOR__) */
1445 #  endif /* NETINET6 */
1446 #  ifndef HASFCHOWN
1447 #   define HASFCHOWN	1	/* fchown(2) */
1448 #  endif /* ! HASFCHOWN */
1449 #  if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,36)) && !defined(HASFCHMOD)
1450 #    define HASFCHMOD	1	/* fchmod(2) */
1451 #  endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,0,36)) && !defined(HASFCHMOD) */
1452 # endif /* __linux__ */
1453 
1454 
1455 /*
1456 **  DELL SVR4 Issue 2.2, and others
1457 **	From Kimmo Suominen <kim@grendel.lut.fi>
1458 **
1459 **	It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__
1460 **	defined, and the definitions conflict.
1461 **
1462 **	Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid
1463 **	trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A
1464 **	(SVR4.0/386 version 3.0).
1465 */
1466 
1467 # ifdef DELL_SVR4
1468 				/* no changes necessary */
1469 				/* see general __svr4__ defines below */
1470 # endif /* DELL_SVR4 */
1471 
1472 
1473 /*
1474 **  Apple A/UX 3.0
1475 */
1476 
1477 # ifdef _AUX_SOURCE
1478 #  include <sys/sysmacros.h>
1479 #  define BSD			/* has BSD routines */
1480 #  define HASSETRLIMIT	0	/* ... but not setrlimit(2) */
1481 #  define BROKEN_RES_SEARCH 1	/* res_search(unknown) returns h_errno=0 */
1482 #  define BOGUS_O_EXCL	1	/* exclusive open follows symlinks */
1483 #  define HASUNAME	1	/* use System V uname(2) system call */
1484 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
1485 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1486 #  define HASSETVBUF	1	/* has setvbuf(3) in libc */
1487 #  define HASSTRERROR	1	/* has strerror(3) */
1488 #  define SIGFUNC_DEFINED	/* sigfunc_t already defined */
1489 #  define SIGFUNC_RETURN		/* POSIX-mode */
1490 #  define SIGFUNC_DECL	void	/* POSIX-mode */
1491 #  define ERRLIST_PREDEFINED	1
1492 #  ifndef IDENTPROTO
1493 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1494 #  endif /* ! IDENTPROTO */
1495 #  ifndef LA_TYPE
1496 #   define LA_TYPE	LA_INT
1497 #   define FSHIFT	16
1498 #  endif /* ! LA_TYPE */
1499 #  define LA_AVENRUN	"avenrun"
1500 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1501 #  define TZ_TYPE	TZ_TZNAME
1502 #  ifndef _PATH_UNIX
1503 #   define _PATH_UNIX		"/unix"		/* should be in <paths.h> */
1504 #  endif /* ! _PATH_UNIX */
1505 #  ifndef _PATH_VENDOR_CF
1506 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1507 #  endif /* ! _PATH_VENDOR_CF */
1508 #  undef WIFEXITED
1509 #  undef WEXITSTATUS
1510 # endif /* _AUX_SOURCE */
1511 
1512 
1513 /*
1514 **  Encore UMAX V
1515 **
1516 **	Not extensively tested.
1517 */
1518 
1519 # ifdef UMAXV
1520 #  define HASUNAME	1	/* use System V uname(2) system call */
1521 #  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
1522 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1523 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1524 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1525 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
1526 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1527 #  define MAXPATHLEN	PATH_MAX
1528 extern struct passwd	*getpwent(), *getpwnam(), *getpwuid();
1529 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
1530 #  undef WIFEXITED
1531 #  undef WEXITSTATUS
1532 # endif /* UMAXV */
1533 
1534 
1535 /*
1536 **  Stardent Titan 3000 running TitanOS 4.2.
1537 **
1538 **	Must be compiled in "cc -43" mode.
1539 **
1540 **	From Kate Hedstrom <kate@ahab.rutgers.edu>.
1541 **
1542 **	Note the tweaking below after the BSD defines are set.
1543 */
1544 
1545 # ifdef titan
1546 #  define setpgid	setpgrp
1547 typedef int		pid_t;
1548 #  undef WIFEXITED
1549 #  undef WEXITSTATUS
1550 # endif /* titan */
1551 
1552 
1553 /*
1554 **  Sequent DYNIX 3.2.0
1555 **
1556 **	From Jim Davis <jdavis@cs.arizona.edu>.
1557 */
1558 
1559 # ifdef sequent
1560 
1561 #  define BSD		1
1562 #  define HASUNSETENV	1
1563 #  define BSD4_3		1	/* to get signal() in conf.c */
1564 #  define WAITUNION	1
1565 #  define LA_TYPE	LA_FLOAT
1566 #  ifdef _POSIX_VERSION
1567 #   undef _POSIX_VERSION		/* set in <unistd.h> */
1568 #  endif /* _POSIX_VERSION */
1569 #  undef HASSETVBUF		/* don't actually have setvbuf(3) */
1570 #  define setpgid	setpgrp
1571 
1572 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */
1573 #  undef	WIFEXITED
1574 #  define WIFEXITED(s)	(((union wait*)&(s))->w_stopval != WSTOPPED && \
1575 			 ((union wait*)&(s))->w_termsig == 0)
1576 #  define WEXITSTATUS(s)	(((union wait*)&(s))->w_retcode)
1577 typedef int		pid_t;
1578 #  define isgraph(c)	(isprint(c) && (c != ' '))
1579 
1580 #  ifndef IDENTPROTO
1581 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1582 #  endif /* ! IDENTPROTO */
1583 
1584 #  ifndef _PATH_UNIX
1585 #   define _PATH_UNIX		"/dynix"
1586 #  endif /* ! _PATH_UNIX */
1587 #  ifndef _PATH_VENDOR_CF
1588 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1589 #  endif /* ! _PATH_VENDOR_CF */
1590 # endif /* sequent */
1591 
1592 
1593 /*
1594 **  Sequent DYNIX/ptx v2.0 (and higher)
1595 **
1596 **	For DYNIX/ptx v1.x, undefine HASSETREUID.
1597 **
1598 **	From Tim Wright <timw@sequent.com>.
1599 **	Update from Jack Woolley <jwoolley@sctcorp.com>, 26 Dec 1995,
1600 **		for DYNIX/ptx 4.0.2.
1601 */
1602 
1603 # ifdef _SEQUENT_
1604 #  include <sys/stream.h>
1605 #  define SYSTEM5	1	/* include all the System V defines */
1606 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1607 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1608 #  define HASSETREUID	1	/* has setreuid(2) call */
1609 #  define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1610 #  define GIDSET_T	gid_t
1611 #  define LA_TYPE	LA_INT
1612 #  define SFS_TYPE	SFS_STATFS	/* use <sys/statfs.h> statfs() impl */
1613 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1614 #  ifndef IDENTPROTO
1615 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1616 #  endif /* ! IDENTPROTO */
1617 #  ifndef _PATH_VENDOR_CF
1618 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1619 #  endif /* ! _PATH_VENDOR_CF */
1620 #  ifndef _PATH_SENDMAILPID
1621 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1622 #  endif /* ! _PATH_SENDMAILPID */
1623 # endif /* _SEQUENT_ */
1624 
1625 /*
1626 **  Cray UNICOS, UNICOS/mk, and UNICOS/mp
1627 **
1628 **    UNICOS:
1629 **	Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov>
1630 **	Update Brian Ginsbach <ginsbach@cray.com>
1631 **    UNICOS/mk (Cray T3E):
1632 **	Contributed by Manu Mahonen <mailadm@csc.fi>
1633 **	of Center for Scientific Computing.
1634 **	Update Brian Ginsbach <ginsbach@cray.com>
1635 **    UNICOS/mp:
1636 **	From Aaron Davis <awd@cray.com> & Brian Ginsbach <ginsbach@cray.com>
1637 */
1638 
1639 # if defined(_CRAY) || defined(UNICOS) || defined(_UNICOSMP)
1640 #  define SYSTEM5	1	/* include all the System V defines */
1641 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
1642 #  define HASFCHOWN	1	/* has fchown(2) */
1643 #  define HASUNSETENV	1	/* has unsetenv(3) call */
1644 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1645 #  define HASSETREUID	1	/* has setreuid(2) call */
1646 #  define USESETEUID	1	/* has usable seteuid(2) call */
1647 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) syscall */
1648 #  define HASSTRERROR	1	/* has strerror(3) */
1649 #  define GIDSET_T	gid_t
1650 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1651 #  define SFS_BAVAIL	f_bfree	/* alternate field name */
1652 #  define SAFENFSPATHCONF 1	/* pathconf(2) pessimizes on NFS filesystems */
1653 #  ifdef UNICOS
1654 #   define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
1655 #   define LA_TYPE	LA_ZERO
1656 #   define _PATH_MAILDIR	"/usr/spool/mail"
1657 #   define GET_IPOPT_DST(dst) *(struct in_addr *)&(dst)
1658 #   ifndef MAXPATHLEN
1659 #    define MAXPATHLEN PATHSIZE
1660 #   endif /* ! MAXPATHLEN */
1661 #   ifndef _PATH_UNIX
1662 #    ifdef UNICOSMK
1663 #     define _PATH_UNIX		"/unicosmk.ar"
1664 #    else
1665 #     define _PATH_UNIX		"/unicos"
1666 #    endif /* UNICOSMK */
1667 #   endif /* ! _PATH_UNIX */
1668 #   ifndef _PATH_VENDOR_CF
1669 #    define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1670 #   endif /* ! _PATH_VENDOR_CF */
1671 #  endif /* UNICOS */
1672 #  ifdef _UNICOSMP
1673 #  if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN)
1674     /* _SC_NPROC_ONLN is 'mpadmin -u', total # of unrestricted processors */
1675 #   define _SC_NPROCESSORS_ONLN  _SC_NPROC_ONLN
1676 #  endif /* if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN) */
1677 #   define HASGETUSERSHELL 0		/* does not have getusershell(3) call */
1678 #   define HASSETRLIMIT	   1		/* has setrlimit(2) syscall */
1679 #   define LA_TYPE	LA_IRIX6	/* figure out at run time */
1680 #   include <sys/cdefs.h>
1681 #   include <paths.h>
1682 #   define ARGV_T char *const *
1683 #  endif /* _UNICOSMP */
1684 # endif /* _CRAY */
1685 
1686 /*
1687 **  Apollo DomainOS
1688 **
1689 **  From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com>
1690 **
1691 **  15 Jan 1994; updated 2 Aug 1995
1692 **
1693 */
1694 
1695 # ifdef apollo
1696 #  define HASSETREUID	1	/* has setreuid(2) call */
1697 #  define HASINITGROUPS	1	/* has initgroups(2) call */
1698 #  define IP_SRCROUTE	0	/* does not have <netinet/ip_var.h> */
1699 #  define SPT_TYPE	SPT_NONE	/* don't use setproctitle */
1700 #  define LA_TYPE	LA_SUBR		/* use getloadavg.c */
1701 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
1702 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
1703 #  define TZ_TYPE	TZ_TZNAME
1704 #  ifndef _PATH_VENDOR_CF
1705 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1706 #  endif /* ! _PATH_VENDOR_CF */
1707 #  ifndef _PATH_SENDMAILPID
1708 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1709 #  endif /* ! _PATH_SENDMAILPID */
1710 #  undef	 S_IFSOCK		/* S_IFSOCK and S_IFIFO are the same */
1711 #  undef	 S_IFIFO
1712 #  define S_IFIFO	0010000
1713 #  ifndef IDENTPROTO
1714 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1715 #  endif /* ! IDENTPROTO */
1716 #  define RLIMIT_NEEDS_SYS_TIME_H	1
1717 #  if defined(NGROUPS_MAX) && !NGROUPS_MAX
1718 #   undef NGROUPS_MAX
1719 #  endif /* defined(NGROUPS_MAX) && !NGROUPS_MAX */
1720 # endif /* apollo */
1721 
1722 /*
1723 **  MPE-iX
1724 **
1725 **	Requires MPE 6.0 or greater.  See sendmail/README for more info.
1726 **
1727 **	From Mark Bixby <mark_bixby@hp.com> or <mark@bixby.org>.
1728 */
1729 
1730 # ifdef MPE
1731 
1732 #  include <sys/sysmacros.h>
1733 #  include <fcntl.h>
1734 
1735 /* Sendmail stuff */
1736 #  define HASFCHOWN		0	/* lacks fchown() */
1737 #  define HASGETUSERSHELL	0	/* lacks getusershell() */
1738 #  ifdef HASNICE
1739 #   undef  HASNICE
1740 #  endif /* HASNICE */
1741 #  define HASNICE		0	/* lacks nice() */
1742 #  define HASRANDOM		0	/* lacks random() */
1743 #  ifdef HASRRESVPORT
1744 #   undef HASRRESVPORT
1745 #  endif /* HASRRESVPORT */
1746 #  define HASRRESVPORT		0	/* lacks rresvport() */
1747 #  define IP_SRCROUTE		0	/* lacks IP source routing fields */
1748 #  ifdef MATCHGECOS
1749 #   undef MATCHGECOS
1750 #  endif /* MATCHGECOS */
1751 #  define MATCHGECOS		0	/* lacks an initialized GECOS field */
1752 #  define NEEDFSYNC		1	/* use sendmail's fsync() */
1753 #  define NEEDLINK		1	/* use sendmail's link() */
1754 #  define NOFTRUNCATE		1	/* lacks ftruncate() */
1755 #  define SFS_TYPE		SFS_NONE /* can't determine disk space */
1756 #  define SM_CONF_SYSLOG	0	/* use sendmail decl of syslog() */
1757 #  define USE_DOUBLE_FORK	0	/* don't fork an intermediate zombie */
1758 #  define USE_ENVIRON		1	/* use environ instead of envp */
1759 
1760 /* Missing header stuff */
1761 #  define AF_UNSPEC		0
1762 #  define AF_MAX		AF_INET
1763 #  define IFF_LOOPBACK		0x8
1764 #  define IN_LOOPBACKNET	127
1765 #  define MAXNAMLEN		NAME_MAX
1766 #  define S_IEXEC		S_IXUSR
1767 #  define S_IREAD		S_IRUSR
1768 #  define S_IWRITE		S_IWUSR
1769 
1770 /* Present header stuff that needs to be missing */
1771 #  undef NGROUPS_MAX
1772 
1773 /* Shadow functions */
1774 #  define bind		sendmail_mpe_bind
1775 #  define _exit		sendmail_mpe__exit
1776 #  define exit		sendmail_mpe_exit
1777 #  define fcntl		sendmail_mpe_fcntl
1778 #  define getegid	sendmail_mpe_getegid
1779 #  define geteuid	sendmail_mpe_geteuid
1780 #  define getpwnam	sendmail_mpe_getpwnam
1781 #  define getpwuid	sendmail_mpe_getpwuid
1782 #  define setgid	sendmail_mpe_setgid
1783 #  define setuid	sendmail_mpe_setuid
1784 extern int		sendmail_mpe_fcntl __P((int, int, ...));
1785 extern struct passwd *	sendmail_mpe_getpwnam __P((const char *));
1786 extern struct passwd *	sendmail_mpe_getpwuid __P((uid_t));
1787 # endif /* MPE */
1788 
1789 /*
1790 **  System V Rel 5.x (a.k.a Unixware7 w/o BSD-Compatibility Libs ie. native)
1791 **
1792 **	Contributed by Paul Gampe <paulg@apnic.net>
1793 */
1794 
1795 # ifdef __svr5__
1796 #  include <sys/mkdev.h>
1797 #  define __svr4__
1798 #  define SYS5SIGNALS		1
1799 #  define HASFCHOWN		1	/* has fchown(2) call */
1800 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1801 #  define HASSETREUID		1
1802 #  define HASWAITPID		1
1803 #  define HASGETDTABLESIZE	1
1804 #  define GIDSET_T		gid_t
1805 #  define SOCKADDR_LEN_T		size_t
1806 #  define SOCKOPT_LEN_T		size_t
1807 #  ifndef _PATH_UNIX
1808 #   define _PATH_UNIX		"/stand/unix"
1809 #  endif /* ! _PATH_UNIX */
1810 #  define SPT_PADCHAR		'\0'	/* pad process title with nulls */
1811 #  ifndef SYSLOG_BUFSIZE
1812 #   define SYSLOG_BUFSIZE	1024	/* unsure */
1813 #  endif /* ! SYSLOG_BUFSIZE */
1814 #  ifndef _PATH_VENDOR_CF
1815 #   define _PATH_VENDOR_CF	"/etc/sendmail.cf"
1816 #  endif /* ! _PATH_VENDOR_CF */
1817 #  ifndef _PATH_SENDMAILPID
1818 #   define _PATH_SENDMAILPID	"/etc/sendmail.pid"
1819 #  endif /* ! _PATH_SENDMAILPID */
1820 #  undef offsetof		/* avoid stddefs.h, sys/sysmacros.h conflict */
1821 #if !defined(SM_SET_H_ERRNO) && defined(_REENTRANT)
1822 # define SM_SET_H_ERRNO(err)	set_h_errno((err))
1823 #endif /* ! SM_SET_H_ERRNO && _REENTRANT */
1824 # endif /* __svr5__ */
1825 
1826 /* ###################################################################### */
1827 
1828 /*
1829 **  UnixWare 2.x
1830 */
1831 
1832 # ifdef UNIXWARE2
1833 #  define UNIXWARE	1
1834 #  undef offsetof		/* avoid stddefs.h, sys/sysmacros.h conflict */
1835 # endif /* UNIXWARE2 */
1836 
1837 
1838 /*
1839 **  UnixWare 1.1.2.
1840 **
1841 **	Updated by Petr Lampa <lampa@fee.vutbr.cz>.
1842 **	From Evan Champion <evanc@spatial.synapse.org>.
1843 */
1844 
1845 # ifdef UNIXWARE
1846 #  include <sys/mkdev.h>
1847 #  define SYSTEM5		1
1848 #  define HASGETUSERSHELL	0	/* does not have getusershell(3) call */
1849 #  define HASSETREUID		1
1850 #  define HASSETSID	1	/* has POSIX setsid(2) call */
1851 #  define HASINITGROUPS		1
1852 #  define GIDSET_T		gid_t
1853 #  define SLEEP_T		unsigned
1854 #  define SFS_TYPE		SFS_STATVFS
1855 #  define LA_TYPE		LA_ZERO
1856 #  undef WIFEXITED
1857 #  undef WEXITSTATUS
1858 #  ifndef _PATH_UNIX
1859 #   define _PATH_UNIX		"/unix"
1860 #  endif /* ! _PATH_UNIX */
1861 #  ifndef _PATH_VENDOR_CF
1862 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
1863 #  endif /* ! _PATH_VENDOR_CF */
1864 #  ifndef _PATH_SENDMAILPID
1865 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
1866 #  endif /* ! _PATH_SENDMAILPID */
1867 #  define SYSLOG_BUFSIZE	128
1868 # endif /* UNIXWARE */
1869 
1870 
1871 /*
1872 **  Intergraph CLIX 3.1
1873 **
1874 **	From Paul Southworth <pauls@locust.cic.net>
1875 */
1876 
1877 # ifdef CLIX
1878 #  define SYSTEM5	1	/* looks like System V */
1879 #  ifndef HASGETUSERSHELL
1880 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
1881 #  endif /* ! HASGETUSERSHELL */
1882 #  define DEV_BSIZE	512	/* device block size not defined */
1883 #  define GIDSET_T	gid_t
1884 #  undef LOG			/* syslog not available */
1885 #  define NEEDFSYNC	1	/* no fsync in system library */
1886 #  define GETSHORT	_getshort
1887 # endif /* CLIX */
1888 
1889 
1890 /*
1891 **  NCR MP-RAS 2.x (SysVr4) with Wollongong TCP/IP
1892 **
1893 **	From Kevin Darcy <kevin@tech.mis.cfc.com>.
1894 */
1895 
1896 # ifdef NCR_MP_RAS2
1897 #  include <sys/sockio.h>
1898 #  define __svr4__
1899 #  define IP_SRCROUTE	0	/* Something is broken with getsockopt() */
1900 #  define SYSLOG_BUFSIZE	1024
1901 #  define SPT_TYPE  SPT_NONE
1902 # endif /* NCR_MP_RAS2 */
1903 
1904 
1905 /*
1906 **  NCR MP-RAS 3.x (SysVr4) with STREAMware TCP/IP
1907 **
1908 **	From Tom Moore <Tom.Moore@DaytonOH.NCR.COM>
1909 */
1910 
1911 # ifdef NCR_MP_RAS3
1912 #  define __svr4__
1913 #  define HASFCHOWN		1	/* has fchown(2) call */
1914 #  define LDA_USE_LOCKF		1
1915 #  define SIOCGIFNUM_IS_BROKEN	1	/* SIOCGIFNUM has non-std interface */
1916 #  define SO_REUSEADDR_IS_BROKEN	1	/* doesn't work if accept() fails */
1917 #  define SYSLOG_BUFSIZE	1024
1918 #  define SPT_TYPE	SPT_NONE
1919 #  define _PATH_MAILDIR	"/var/mail"
1920 #  ifndef _XOPEN_SOURCE
1921 #   define _XOPEN_SOURCE
1922 #   define _XOPEN_SOURCE_EXTENDED 1
1923 #   include <sys/resource.h>
1924 #   undef _XOPEN_SOURCE
1925 #   undef _XOPEN_SOURCE_EXTENDED
1926 #  endif /* ! _XOPEN_SOURCE */
1927 # endif /* NCR_MP_RAS3 */
1928 
1929 
1930 /*
1931 **  Tandem NonStop-UX SVR4
1932 **
1933 **	From Rick McCarty <mccarty@mpd.tandem.com>.
1934 */
1935 
1936 # ifdef NonStop_UX_BXX
1937 #  define __svr4__
1938 # endif /* NonStop_UX_BXX */
1939 
1940 
1941 /*
1942 **  Hitachi 3050R/3050RX and 3500 Workstations running HI-UX/WE2.
1943 **
1944 **	Tested for 1.04, 1.03
1945 **	From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>.
1946 **
1947 **	Tested for 4.02, 6.10 and 7.10
1948 **	From Motonori NAKAMURA <motonori@media.kyoto-u.ac.jp>.
1949 */
1950 
1951 # if !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE))
1952 #  define SYSTEM5	1	/* include all the System V defines */
1953 #  define HASINITGROUPS	1	/* has initgroups(3) call */
1954 #  define HASFCHMOD	1	/* has fchmod(2) syscall */
1955 #  define setreuid(r, e)	setresuid(r, e, -1)
1956 #  define LA_TYPE	LA_FLOAT
1957 #  define SPT_TYPE	SPT_PSTAT
1958 #  define SFS_TYPE	SFS_VFS	/* use <sys/vfs.h> statfs() implementation */
1959 #  ifndef HASSETVBUF
1960 #   define HASSETVBUF	/* HI-UX has no setlinebuf */
1961 #  endif /* ! HASSETVBUF */
1962 #  ifndef GIDSET_T
1963 #   define GIDSET_T	gid_t
1964 #  endif /* ! GIDSET_T */
1965 #  ifndef _PATH_UNIX
1966 #   define _PATH_UNIX		"/HI-UX"
1967 #  endif /* ! _PATH_UNIX */
1968 #  ifndef _PATH_VENDOR_CF
1969 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
1970 #  endif /* ! _PATH_VENDOR_CF */
1971 #  ifndef IDENTPROTO
1972 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
1973 #  endif /* ! IDENTPROTO */
1974 #  ifndef HASGETUSERSHELL
1975 #   define HASGETUSERSHELL 0	/* getusershell(3) causes core dumps */
1976 #  endif /* ! HASGETUSERSHELL */
1977 #  define FDSET_CAST	(int *)	/* cast for fd_set parameters to select */
1978 
1979 /*
1980 **  avoid m_flags conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h
1981 **  on HIUX 3050
1982 */
1983 #  undef m_flags
1984 
1985 #  define SM_CONF_SYSLOG	0
1986 
1987 # endif /* !defined(__hpux) && (defined(_H3050R) || defined(_HIUX_SOURCE)) */
1988 
1989 
1990 /*
1991 **  Amdahl UTS System V 2.1.5 (SVr3-based)
1992 **
1993 **    From: Janet Jackson <janet@dialix.oz.au>.
1994 */
1995 
1996 # ifdef _UTS
1997 #  include <sys/sysmacros.h>
1998 #  undef HASLSTAT		/* has symlinks, but they cause problems */
1999 #  define NEEDFSYNC	1	/* system fsync(2) fails on non-EFS filesys */
2000 #  define SYS5SIGNALS	1	/* System V signal semantics */
2001 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
2002 #  define HASUNAME	1	/* use System V uname(2) system call */
2003 #  define HASINITGROUPS	1	/* has initgroups(3) function */
2004 #  define HASSETVBUF	1	/* has setvbuf(3) function */
2005 #  ifndef HASGETUSERSHELL
2006 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) function */
2007 #  endif /* ! HASGETUSERSHELL */
2008 #  define GIDSET_T	gid_t	/* type of 2nd arg to getgroups(2) isn't int */
2009 #  define LA_TYPE	LA_ZERO		/* doesn't have load average */
2010 #  define SFS_TYPE	SFS_4ARGS	/* use 4-arg statfs() */
2011 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
2012 #  define _PATH_UNIX		"/unix"
2013 #  ifndef _PATH_VENDOR_CF
2014 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2015 #  endif /* ! _PATH_VENDOR_CF */
2016 # endif /* _UTS */
2017 
2018 /*
2019 **  Cray Computer Corporation's CSOS
2020 **
2021 **	From Scott Bolte <scott@craycos.com>.
2022 */
2023 
2024 # ifdef _CRAYCOM
2025 #  define SYSTEM5	1	/* include all the System V defines */
2026 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
2027 #  define NEEDFSYNC	1	/* no fsync in system library */
2028 #  define MAXPATHLEN	PATHSIZE
2029 #  define LA_TYPE	LA_ZERO
2030 #  define SFS_TYPE	SFS_4ARGS	/* four argument statfs() call */
2031 #  define SFS_BAVAIL	f_bfree		/* alternate field name */
2032 #  define _POSIX_CHOWN_RESTRICTED	-1
2033 extern struct group	*getgrent(), *getgrnam(), *getgrgid();
2034 # endif /* _CRAYCOM */
2035 
2036 
2037 /*
2038 **  Sony NEWS-OS 4.2.1R and 6.0.3
2039 **
2040 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2041 */
2042 
2043 # ifdef sony_news
2044 #  ifndef __svr4
2045 			/* NEWS-OS 4.2.1R */
2046 #   ifndef BSD
2047 #    define BSD			/* has BSD routines */
2048 #   endif /* ! BSD */
2049 #   define HASUNSETENV	1	/* has unsetenv(2) call */
2050 #   undef HASSETVBUF		/* don't actually have setvbuf(3) */
2051 #   define WAITUNION	1	/* use "union wait" as wait argument type */
2052 #   define LA_TYPE	LA_INT
2053 #   define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
2054 #   ifndef HASFLOCK
2055 #    define HASFLOCK	1	/* has flock(2) call */
2056 #   endif /* ! HASFLOCK */
2057 #   define setpgid	setpgrp
2058 #   undef WIFEXITED
2059 #   undef WEXITSTATUS
2060 #   define MODE_T	int	/* system include files have no mode_t */
2061 typedef int		pid_t;
2062 typedef int		(*sigfunc_t)();
2063 #   define SIGFUNC_DEFINED
2064 #   define SIGFUNC_RETURN	(0)
2065 #   define SIGFUNC_DECL		int
2066 
2067 #  else /* ! __svr4 */
2068 			/* NEWS-OS 6.0.3 with /bin/cc */
2069 #   ifndef __svr4__
2070 #    define __svr4__		/* use all System V Release 4 defines below */
2071 #   endif /* ! __svr4__ */
2072 #   define HASSETSID	1	/* has POSIX setsid(2) call */
2073 #   define HASGETUSERSHELL 1	/* DOES have getusershell(3) call in libc */
2074 #   define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
2075 #   ifndef SPT_TYPE
2076 #    define SPT_TYPE	SPT_SYSMIPS	/* use sysmips() (OS 6.0.2 or later) */
2077 #   endif /* ! SPT_TYPE */
2078 #   define GIDSET_T	gid_t
2079 #   undef WIFEXITED
2080 #   undef WEXITSTATUS
2081 #   ifndef SYSLOG_BUFSIZE
2082 #    define SYSLOG_BUFSIZE	256
2083 #   endif /* ! SYSLOG_BUFSIZE */
2084 #   define _PATH_UNIX		"/stand/unix"
2085 #   ifndef _PATH_VENDOR_CF
2086 #    define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
2087 #   endif /* ! _PATH_VENDOR_CF */
2088 #   ifndef _PATH_SENDMAILPID
2089 #    define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
2090 #   endif /* ! _PATH_SENDMAILPID */
2091 
2092 #  endif /* ! __svr4 */
2093 # endif /* sony_news */
2094 
2095 
2096 /*
2097 **  Omron LUNA/UNIOS-B 3.0, LUNA2/Mach and LUNA88K Mach
2098 **
2099 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2100 */
2101 
2102 # ifdef luna
2103 #  ifndef IDENTPROTO
2104 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2105 #  endif /* ! IDENTPROTO */
2106 #  define HASUNSETENV	1	/* has unsetenv(2) call */
2107 #  define NEEDPUTENV	1	/* need putenv(3) call */
2108 #  define SM_CONF_GETOPT	0	/* need a replacement for getopt(3) */
2109 #  define NEEDSTRSTR	1	/* need emulation of the strstr(3) call */
2110 #  define WAITUNION	1	/* use "union wait" as wait argument type */
2111 #  ifdef uniosb
2112 #   include <sys/time.h>
2113 #   define NEEDVPRINTF	1	/* need a replacement for vprintf(3) */
2114 #   define LA_TYPE	LA_INT
2115 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2116 #  endif /* uniosb */
2117 #  ifdef luna2
2118 #   define LA_TYPE	LA_SUBR
2119 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone */
2120 #  endif /* luna2 */
2121 #  ifdef luna88k
2122 #   define LA_TYPE	LA_INT
2123 #  endif /* luna88k */
2124 #  define SFS_TYPE	SFS_VFS /* use <sys/vfs.h> statfs() implementation */
2125 #  define setpgid	setpgrp
2126 #  undef WIFEXITED
2127 #  undef WEXITSTATUS
2128 typedef int		pid_t;
2129 typedef int		(*sigfunc_t)();
2130 #  define SIGFUNC_DEFINED
2131 #  define SIGFUNC_RETURN	(0)
2132 #  define SIGFUNC_DECL	int
2133 extern char	*getenv();
2134 #  ifndef _PATH_VENDOR_CF
2135 #   define _PATH_VENDOR_CF	"/usr/lib/sendmail.cf"
2136 #  endif /* ! _PATH_VENDOR_CF */
2137 # endif /* luna */
2138 
2139 
2140 /*
2141 **  NEC EWS-UX/V 4.2 (with /usr/ucb/cc)
2142 **
2143 **	From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
2144 */
2145 
2146 # if defined(nec_ews_svr4) || defined(_nec_ews_svr4)
2147 #  ifndef __svr4__
2148 #   define __svr4__		/* use all System V Release 4 defines below */
2149 #  endif /* ! __svr4__ */
2150 #  define SYS5SIGNALS	1	/* SysV signal semantics -- reset on each sig */
2151 #  define HASSETSID	1	/* has POSIX setsid(2) call */
2152 #  define LA_TYPE	LA_READKSYM	/* use MIOC_READSYM ioctl */
2153 #  define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2154 #  define GIDSET_T	gid_t
2155 #  undef WIFEXITED
2156 #  undef WEXITSTATUS
2157 #  define NAMELISTMASK	0x7fffffff	/* mask for nlist() values */
2158 #  ifndef _PATH_VENDOR_CF
2159 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2160 #  endif /* ! _PATH_VENDOR_CF */
2161 #  ifndef _PATH_SENDMAILPID
2162 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2163 #  endif /* ! _PATH_SENDMAILPID */
2164 #  ifndef SYSLOG_BUFSIZE
2165 #   define SYSLOG_BUFSIZE	1024	/* allow full size syslog buffer */
2166 #  endif /* ! SYSLOG_BUFSIZE */
2167 # endif /* defined(nec_ews_svr4) || defined(_nec_ews_svr4) */
2168 
2169 
2170 /*
2171 **  Fujitsu/ICL UXP/DS (For the DS/90 Series)
2172 **
2173 **	From Diego R. Lopez <drlopez@cica.es>.
2174 **	Additional changes from Fumio Moriya and Toshiaki Nomura of the
2175 **		Fujitsu Fresoftware group <dsfrsoft@oai6.yk.fujitsu.co.jp>.
2176 */
2177 
2178 # ifdef __uxp__
2179 #  include <arpa/nameser.h>
2180 #  include <sys/sysmacros.h>
2181 #  include <sys/mkdev.h>
2182 #  define __svr4__
2183 #  define HASGETUSERSHELL	0
2184 #  define HASFLOCK		0
2185 #  define _PATH_UNIX		"/stand/unix"
2186 #  ifndef _PATH_VENDOR_CF
2187 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2188 #  endif /* ! _PATH_VENDOR_CF */
2189 #  ifndef _PATH_SENDMAILPID
2190 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2191 #  endif /* ! _PATH_SENDMAILPID */
2192 # endif /* __uxp__ */
2193 
2194 /*
2195 **  Pyramid DC/OSx
2196 **
2197 **	From Earle Ake <akee@wpdiss1.wpafb.af.mil>.
2198 */
2199 
2200 # ifdef DCOSx
2201 #  define GIDSET_T	gid_t
2202 #  ifndef IDENTPROTO
2203 #   define IDENTPROTO	0	/* TCP/IP implementation is broken */
2204 #  endif /* ! IDENTPROTO */
2205 # endif /* DCOSx */
2206 
2207 /*
2208 **  Concurrent Computer Corporation Maxion
2209 **
2210 **	From Donald R. Laster Jr. <laster@access.digex.net>.
2211 */
2212 
2213 # ifdef __MAXION__
2214 
2215 #  include <sys/stream.h>
2216 #  define __svr4__		1	/* SVR4.2MP */
2217 #  define HASSETREUID		1	/* have setreuid(2) */
2218 #  define HASLSTAT		1	/* have lstat(2) */
2219 #  define HASSETRLIMIT		1	/* have setrlimit(2) */
2220 #  define HASGETDTABLESIZE	1	/* have getdtablesize(2) */
2221 #  define HASGETUSERSHELL	1	/* have getusershell(3) */
2222 #  define NOFTRUNCATE		1	/* do not have ftruncate(2) */
2223 #  define SLEEP_T		unsigned
2224 #  define SFS_TYPE		SFS_STATVFS
2225 #  define SFS_BAVAIL		f_bavail
2226 #  ifndef SYSLOG_BUFSIZE
2227 #   define SYSLOG_BUFSIZE	256	/* Use 256 bytes */
2228 #  endif /* ! SYSLOG_BUFSIZE */
2229 
2230 #  undef WUNTRACED
2231 #  undef WIFEXITED
2232 #  undef WIFSIGNALED
2233 #  undef WIFSTOPPED
2234 #  undef WEXITSTATUS
2235 #  undef WTERMSIG
2236 #  undef WSTOPSIG
2237 
2238 # endif /* __MAXION__ */
2239 
2240 /*
2241 **  Harris Nighthawk PowerUX (nh6000 box)
2242 **
2243 **  Contributed by Bob Miorelli, Pratt & Whitney <miorelli@pweh.com>
2244 */
2245 
2246 # ifdef _PowerUX
2247 #  ifndef __svr4__
2248 #   define __svr4__
2249 #  endif /* ! __svr4__ */
2250 #  ifndef _PATH_VENDOR_CF
2251 #   define _PATH_VENDOR_CF	"/etc/mail/sendmail.cf"
2252 #  endif /* ! _PATH_VENDOR_CF */
2253 #  ifndef _PATH_SENDMAILPID
2254 #   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
2255 #  endif /* ! _PATH_SENDMAILPID */
2256 #  define SYSLOG_BUFSIZE		1024
2257 #  define LA_TYPE		LA_ZERO
2258 typedef struct msgb		mblk_t;
2259 #  undef offsetof	/* avoid stddefs.h and sys/sysmacros.h conflict */
2260 # endif /* _PowerUX */
2261 
2262 /*
2263 **  Siemens Nixdorf Informationssysteme AG SINIX
2264 **
2265 **	Contributed by Gerald Rinske of Siemens Business Services VAS.
2266 */
2267 # ifdef sinix
2268 #  define HASRANDOM		0	/* has random(3) */
2269 #  define SYSLOG_BUFSIZE	1024
2270 #  define SM_INT32		int	/* 32bit integer */
2271 # endif /* sinix */
2272 
2273 
2274 /*
2275 **  Motorola 922, MC88110, UNIX SYSTEM V/88 Release 4.0 Version 4.3
2276 **
2277 **	Contributed by Sergey Rusanov <rsm@utfoms.udmnet.ru>
2278 */
2279 
2280 # ifdef MOTO
2281 #  define HASFCHMOD		1
2282 #  define HASSETRLIMIT		0
2283 #  define HASSETSID	1	/* has POSIX setsid(2) call */
2284 #  define HASSETREUID		1
2285 #  define HASULIMIT		1
2286 #  define HASWAITPID		1
2287 #  define HASGETDTABLESIZE	1
2288 #  define HASGETUSERSHELL	1
2289 #  define IP_SRCROUTE		0
2290 #  define IDENTPROTO		0
2291 #  define RES_DNSRCH_VARIABLE	_res_dnsrch
2292 #  define _PATH_UNIX		"/unix"
2293 #  define _PATH_VENDOR_CF	"/etc/sendmail.cf"
2294 #  define _PATH_SENDMAILPID	"/var/run/sendmail.pid"
2295 # endif /* MOTO */
2296 
2297 /*
2298 **  Interix
2299 **	Contributed by Nedelcho Stanev <nedelcho.stanev@atlanticsky.com>
2300 **
2301 **	Used for Interix support.
2302 */
2303 
2304 # if defined(__INTERIX)
2305 #  define HASURANDOMDEV		1
2306 #  define HASGETUSERSHELL	0
2307 #  define HASSTRERROR		1
2308 #  define HASUNSETENV		1
2309 #  define HASFCHOWN		1
2310 #  undef HAVE_SYS_ERRLIST
2311 #  define sys_errlist		__sys_errlist
2312 #  define sys_nerr		__sys_nerr
2313 #  include <sys/mkdev.h>
2314 #  ifndef major
2315 #   define major(dev)		((int)(((dev) >> 8) & 0xff))
2316 #  endif /* ! major */
2317 #  ifndef minor
2318 #   define minor(dev)		((int)((dev) & 0xff))
2319 #  endif /* ! minor */
2320 # endif /* defined(__INTERIX) */
2321 
2322 
2323 /**********************************************************************
2324 **  End of Per-Operating System defines
2325 **********************************************************************/
2326 /**********************************************************************
2327 **  More general defines
2328 **********************************************************************/
2329 
2330 /* general BSD defines */
2331 # ifdef BSD
2332 #  define HASGETDTABLESIZE 1	/* has getdtablesize(2) call */
2333 #  ifndef HASSETREUID
2334 #   define HASSETREUID	1	/* has setreuid(2) call */
2335 #  endif /* ! HASSETREUID */
2336 #  define HASINITGROUPS	1	/* has initgroups(3) call */
2337 #  ifndef IP_SRCROUTE
2338 #   define IP_SRCROUTE	1	/* can check IP source routing */
2339 #  endif /* ! IP_SRCROUTE */
2340 #  ifndef HASSETRLIMIT
2341 #   define HASSETRLIMIT	1	/* has setrlimit(2) call */
2342 #  endif /* ! HASSETRLIMIT */
2343 #  ifndef HASFLOCK
2344 #   define HASFLOCK	1	/* has flock(2) call */
2345 #  endif /* ! HASFLOCK */
2346 #  ifndef TZ_TYPE
2347 #   define TZ_TYPE	TZ_TM_ZONE	/* use tm->tm_zone variable */
2348 #  endif /* ! TZ_TYPE */
2349 # endif /* BSD */
2350 
2351 /* general System V Release 4 defines */
2352 # ifdef __svr4__
2353 #  define SYSTEM5	1
2354 #  define USESETEUID	1	/* has usable seteuid(2) call */
2355 #  define HASINITGROUPS	1	/* has initgroups(3) call */
2356 #  define BSD_COMP	1	/* get BSD ioctl calls */
2357 #  ifndef HASSETRLIMIT
2358 #   define HASSETRLIMIT	1	/* has setrlimit(2) call */
2359 #  endif /* ! HASSETRLIMIT */
2360 #  ifndef HASGETUSERSHELL
2361 #   define HASGETUSERSHELL 0	/* does not have getusershell(3) call */
2362 #  endif /* ! HASGETUSERSHELL */
2363 #  ifndef HASFCHMOD
2364 #   define HASFCHMOD	1	/* most (all?) SVr4s seem to have fchmod(2) */
2365 #  endif /* ! HASFCHMOD */
2366 
2367 #  ifndef _PATH_UNIX
2368 #   define _PATH_UNIX		"/unix"
2369 #  endif /* ! _PATH_UNIX */
2370 #  ifndef _PATH_VENDOR_CF
2371 #   define _PATH_VENDOR_CF	"/usr/ucblib/sendmail.cf"
2372 #  endif /* ! _PATH_VENDOR_CF */
2373 #  ifndef _PATH_SENDMAILPID
2374 #   define _PATH_SENDMAILPID	"/usr/ucblib/sendmail.pid"
2375 #  endif /* ! _PATH_SENDMAILPID */
2376 #  ifndef SYSLOG_BUFSIZE
2377 #   define SYSLOG_BUFSIZE	128
2378 #  endif /* ! SYSLOG_BUFSIZE */
2379 #  ifndef SFS_TYPE
2380 #   define SFS_TYPE		SFS_STATVFS
2381 #  endif /* ! SFS_TYPE */
2382 
2383 #  ifndef USE_SIGLONGJMP
2384 #   define USE_SIGLONGJMP	1 /* sigsetjmp needed for signal handling */
2385 #  endif /* ! USE_SIGLONGJMP */
2386 # endif /* __svr4__ */
2387 
2388 # ifdef __SVR4
2389 #  define LDA_USE_LOCKF		1
2390 #  define LDA_USE_SETEUID	1
2391 #  define _PATH_MAILDIR		"/var/mail"
2392 # endif /* __SVR4 */
2393 
2394 /* general System V defines */
2395 # ifdef SYSTEM5
2396 #  include <sys/sysmacros.h>
2397 #  define HASUNAME	1	/* use System V uname(2) system call */
2398 #  define SYS5SETPGRP	1	/* use System V setpgrp(2) syscall */
2399 #  define HASSETVBUF	1	/* we have setvbuf(3) in libc */
2400 #  ifndef HASULIMIT
2401 #   define HASULIMIT	1	/* has the ulimit(2) syscall */
2402 #  endif /* ! HASULIMIT */
2403 #  ifndef LA_TYPE
2404 #   ifdef MIOC_READKSYM
2405 #    define LA_TYPE	LA_READKSYM	/* use MIOC_READKSYM ioctl */
2406 #   else /* MIOC_READKSYM */
2407 #    define LA_TYPE	LA_INT		/* assume integer load average */
2408 #   endif /* MIOC_READKSYM */
2409 #  endif /* ! LA_TYPE */
2410 #  ifndef SFS_TYPE
2411 #   define SFS_TYPE	SFS_USTAT	/* use System V ustat(2) syscall */
2412 #  endif /* ! SFS_TYPE */
2413 #  ifndef TZ_TYPE
2414 #   define TZ_TYPE	TZ_TZNAME	/* use tzname[] vector */
2415 #  endif /* ! TZ_TYPE */
2416 # endif /* SYSTEM5 */
2417 
2418 /* general POSIX defines */
2419 # ifdef _POSIX_VERSION
2420 #  define HASSETSID	1	/* has POSIX setsid(2) call */
2421 #  define HASWAITPID	1	/* has POSIX waitpid(2) call */
2422 #  if _POSIX_VERSION >= 199500 && !defined(USESETEUID)
2423 #   define USESETEUID	1	/* has usable seteuid(2) call */
2424 #  endif /* _POSIX_VERSION >= 199500 && !defined(USESETEUID) */
2425 # endif /* _POSIX_VERSION */
2426 /*
2427 **  Tweaking for systems that (for example) claim to be BSD or POSIX
2428 **  but don't have all the standard BSD or POSIX routines (boo hiss).
2429 */
2430 
2431 # ifdef titan
2432 #  undef HASINITGROUPS		/* doesn't have initgroups(3) call */
2433 # endif /* titan */
2434 
2435 # ifdef _CRAYCOM
2436 #  undef HASSETSID		/* despite POSIX claim, doesn't have setsid */
2437 # endif /* _CRAYCOM */
2438 
2439 # ifdef MOTO
2440 #  undef USESETEUID
2441 # endif /* MOTO */
2442 
2443 /*
2444 **  Due to a "feature" in some operating systems such as Ultrix 4.3 and
2445 **  HPUX 8.0, if you receive a "No route to host" message (ICMP message
2446 **  ICMP_UNREACH_HOST) on _any_ connection, all connections to that host
2447 **  are closed.  Some firewalls return this error if you try to connect
2448 **  to the IDENT port (113), so you can't receive email from these hosts
2449 **  on these systems.  The firewall really should use a more specific
2450 **  message such as ICMP_UNREACH_PROTOCOL or _PORT or _FILTER_PROHIB.  If
2451 **  not explicitly set to zero above, default it on.
2452 */
2453 
2454 # ifndef IDENTPROTO
2455 #  define IDENTPROTO	1	/* use IDENT proto (RFC 1413) */
2456 # endif /* ! IDENTPROTO */
2457 
2458 # ifndef IP_SRCROUTE
2459 #  define IP_SRCROUTE	1	/* Detect IP source routing */
2460 # endif /* ! IP_SRCROUTE */
2461 
2462 # ifndef HASGETUSERSHELL
2463 #  define HASGETUSERSHELL 1	/* libc has getusershell(3) call */
2464 # endif /* ! HASGETUSERSHELL */
2465 
2466 # ifndef NETUNIX
2467 #  define NETUNIX	1	/* include unix domain support */
2468 # endif /* ! NETUNIX */
2469 
2470 # ifndef HASRANDOM
2471 #  define HASRANDOM	1	/* has random(3) support */
2472 # endif /* ! HASRANDOM */
2473 
2474 # ifndef HASFLOCK
2475 #  define HASFLOCK	0	/* assume no flock(2) support */
2476 # endif /* ! HASFLOCK */
2477 
2478 # ifndef HASSETREUID
2479 #  define HASSETREUID	0	/* assume no setreuid(2) call */
2480 # endif /* ! HASSETREUID */
2481 
2482 # ifndef HASFCHMOD
2483 #  define HASFCHMOD	0	/* assume no fchmod(2) syscall */
2484 # endif /* ! HASFCHMOD */
2485 
2486 # ifndef USESETEUID
2487 #  define USESETEUID	0	/* assume no seteuid(2) call or no saved ids */
2488 # endif /* ! USESETEUID */
2489 
2490 # ifndef HASSETRLIMIT
2491 #  define HASSETRLIMIT	0	/* assume no setrlimit(2) support */
2492 # endif /* ! HASSETRLIMIT */
2493 
2494 # ifndef HASULIMIT
2495 #  define HASULIMIT	0	/* assume no ulimit(2) support */
2496 # endif /* ! HASULIMIT */
2497 
2498 # ifndef SECUREWARE
2499 #  define SECUREWARE	0	/* assume no SecureWare C2 auditing hooks */
2500 # endif /* ! SECUREWARE */
2501 
2502 # ifndef USE_DOUBLE_FORK
2503 #  define USE_DOUBLE_FORK	1	/* avoid intermediate zombies */
2504 # endif /* ! USE_DOUBLE_FORK */
2505 
2506 # ifndef USE_ENVIRON
2507 #  define USE_ENVIRON	0	/* use main() envp instead of extern environ */
2508 # endif /* ! USE_ENVIRON */
2509 
2510 # ifndef USE_SIGLONGJMP
2511 #  define USE_SIGLONGJMP	0	/* assume setjmp handles signals properly */
2512 # endif /* ! USE_SIGLONGJMP */
2513 
2514 # ifndef FDSET_CAST
2515 #  define FDSET_CAST		/* (empty) cast for fd_set arg to select */
2516 # endif /* ! FDSET_CAST */
2517 
2518 /*
2519 **  Pick a mailer setuid method for changing the current uid
2520 */
2521 
2522 # define USE_SETEUID	0
2523 # define USE_SETREUID	1
2524 # define USE_SETUID	2
2525 
2526 # if USESETEUID
2527 #  define MAILER_SETUID_METHOD	USE_SETEUID
2528 # else /* USESETEUID */
2529 #  if HASSETREUID
2530 #   define MAILER_SETUID_METHOD	USE_SETREUID
2531 #  else /* HASSETREUID */
2532 #   define MAILER_SETUID_METHOD	USE_SETUID
2533 #  endif /* HASSETREUID */
2534 # endif /* USESETEUID */
2535 
2536 /*
2537 **  If no type for argument two of getgroups call is defined, assume
2538 **  it's an integer -- unfortunately, there seem to be several choices
2539 **  here.
2540 */
2541 
2542 # ifndef GIDSET_T
2543 #  define GIDSET_T	int
2544 # endif /* ! GIDSET_T */
2545 
2546 # ifndef UID_T
2547 #  define UID_T		uid_t
2548 # endif /* ! UID_T */
2549 
2550 # ifndef GID_T
2551 #  define GID_T		gid_t
2552 # endif /* ! GID_T */
2553 
2554 # ifndef MODE_T
2555 #  define MODE_T		mode_t
2556 # endif /* ! MODE_T */
2557 
2558 # ifndef ARGV_T
2559 #  define ARGV_T		char **
2560 # endif /* ! ARGV_T */
2561 
2562 # ifndef SOCKADDR_LEN_T
2563 #  define SOCKADDR_LEN_T	int
2564 # endif /* ! SOCKADDR_LEN_T */
2565 
2566 # ifndef SOCKOPT_LEN_T
2567 #  define SOCKOPT_LEN_T	int
2568 # endif /* ! SOCKOPT_LEN_T */
2569 
2570 # ifndef QUAD_T
2571 #  define QUAD_T	unsigned long
2572 # endif /* ! QUAD_T */
2573 /**********************************************************************
2574 **  Remaining definitions should never have to be changed.  They are
2575 **  primarily to provide back compatibility for older systems -- for
2576 **  example, it includes some POSIX compatibility definitions
2577 **********************************************************************/
2578 
2579 /* System 5 compatibility */
2580 # ifndef S_ISREG
2581 #  define S_ISREG(foo)	((foo & S_IFMT) == S_IFREG)
2582 # endif /* ! S_ISREG */
2583 # ifndef S_ISDIR
2584 #  define S_ISDIR(foo)	((foo & S_IFMT) == S_IFDIR)
2585 # endif /* ! S_ISDIR */
2586 # if !defined(S_ISLNK) && defined(S_IFLNK)
2587 #  define S_ISLNK(foo)	((foo & S_IFMT) == S_IFLNK)
2588 # endif /* !defined(S_ISLNK) && defined(S_IFLNK) */
2589 # if !defined(S_ISFIFO)
2590 #  if defined(S_IFIFO)
2591 #   define S_ISFIFO(foo)	((foo & S_IFMT) == S_IFIFO)
2592 #  else /* defined(S_IFIFO) */
2593 #   define S_ISFIFO(foo)	false
2594 #  endif /* defined(S_IFIFO) */
2595 # endif /* !defined(S_ISFIFO) */
2596 # ifndef S_IRUSR
2597 #  define S_IRUSR		0400
2598 # endif /* ! S_IRUSR */
2599 # ifndef S_IWUSR
2600 #  define S_IWUSR		0200
2601 # endif /* ! S_IWUSR */
2602 # ifndef S_IRGRP
2603 #  define S_IRGRP		0040
2604 # endif /* ! S_IRGRP */
2605 # ifndef S_IWGRP
2606 #  define S_IWGRP		0020
2607 # endif /* ! S_IWGRP */
2608 # ifndef S_IROTH
2609 #  define S_IROTH		0004
2610 # endif /* ! S_IROTH */
2611 # ifndef S_IWOTH
2612 #  define S_IWOTH		0002
2613 # endif /* ! S_IWOTH */
2614 
2615 /* close-on-exec flag */
2616 # ifndef FD_CLOEXEC
2617 #  define FD_CLOEXEC	1
2618 # endif /* ! FD_CLOEXEC */
2619 
2620 /*
2621 **  Older systems don't have this error code -- it should be in
2622 **  /usr/include/sysexits.h.
2623 */
2624 
2625 # ifndef EX_CONFIG
2626 #  define EX_CONFIG	78	/* configuration error */
2627 # endif /* ! EX_CONFIG */
2628 
2629 /* pseudo-codes */
2630 # define EX_QUIT	22	/* drop out of server immediately */
2631 # define EX_RESTART	23	/* restart sendmail daemon */
2632 # define EX_SHUTDOWN	24	/* shutdown sendmail daemon */
2633 
2634 #ifndef EX_NOTFOUND
2635 # define EX_NOTFOUND	EX_NOHOST
2636 #endif /* ! EX_NOTFOUND */
2637 
2638 /* pseudo-code used for mci_setstat */
2639 # define EX_NOTSTICKY	(-5)	/* don't save persistent status */
2640 
2641 
2642 /*
2643 **  An "impossible" file mode to indicate that the file does not exist.
2644 */
2645 
2646 # define ST_MODE_NOFILE	0171147		/* unlikely to occur */
2647 
2648 
2649 /* type of arbitrary pointer */
2650 # ifndef ARBPTR_T
2651 #  define ARBPTR_T	void *
2652 # endif /* ! ARBPTR_T */
2653 
2654 # ifndef __P
2655 #  include "sm/cdefs.h"
2656 # endif /* ! __P */
2657 
2658 # if HESIOD && !defined(NAMED_BIND)
2659 #  define NAMED_BIND	1	/* not one without the other */
2660 # endif /* HESIOD && !defined(NAMED_BIND) */
2661 
2662 #  if NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno )
2663 extern int	h_errno;
2664 #  endif /* NAMED_BIND && !defined( __ksr__ ) && !defined( h_errno ) */
2665 
2666 # if NEEDPUTENV
2667 extern int	putenv __P((char *));
2668 # endif /* NEEDPUTENV */
2669 
2670 #if !HASUNSETENV
2671 extern void	unsetenv __P((char *));
2672 #endif /* !HASUNSETENV */
2673 
2674 # ifdef LDAPMAP
2675 #  include <sys/time.h>
2676 #  include <lber.h>
2677 #  include <ldap.h>
2678 
2679 /* Some LDAP constants */
2680 #  define LDAPMAP_FALSE		0
2681 #  define LDAPMAP_TRUE		1
2682 
2683 /*
2684 **  ldap_init(3) is broken in Umich 3.x and OpenLDAP 1.0/1.1.
2685 **  Use the lack of LDAP_OPT_SIZELIMIT to detect old API implementations
2686 **  and assume (falsely) that all old API implementations are broken.
2687 **  (OpenLDAP 1.2 and later have a working ldap_init(), add -DUSE_LDAP_INIT)
2688 */
2689 
2690 #  if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT)
2691 #   define USE_LDAP_INIT	1
2692 #  endif /* defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_INIT) */
2693 
2694 /*
2695 **  LDAP_OPT_SIZELIMIT is not defined under Umich 3.x nor OpenLDAP 1.x,
2696 **  hence ldap_set_option() must not exist.
2697 */
2698 
2699 #  if defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION)
2700 #   define USE_LDAP_SET_OPTION	1
2701 #  endif /* defined(LDAP_OPT_SIZELIMIT) && !defined(USE_LDAP_SET_OPTION) */
2702 
2703 # endif /* LDAPMAP */
2704 
2705 # if HASUNAME
2706 #  include <sys/utsname.h>
2707 #  ifdef newstr
2708 #   undef newstr
2709 #  endif /* newstr */
2710 # else /* HASUNAME */
2711 #  define NODE_LENGTH 32
2712 struct utsname
2713 {
2714 	char nodename[NODE_LENGTH + 1];
2715 };
2716 # endif /* HASUNAME */
2717 
2718 # if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V)
2719 #  define MAXHOSTNAMELEN	256
2720 # endif /* !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V) */
2721 
2722 # if !defined(SIGCHLD) && defined(SIGCLD)
2723 #  define SIGCHLD	SIGCLD
2724 # endif /* !defined(SIGCHLD) && defined(SIGCLD) */
2725 
2726 # ifndef STDIN_FILENO
2727 #  define STDIN_FILENO	0
2728 # endif /* ! STDIN_FILENO */
2729 
2730 # ifndef STDOUT_FILENO
2731 #  define STDOUT_FILENO	1
2732 # endif /* ! STDOUT_FILENO */
2733 
2734 # ifndef STDERR_FILENO
2735 #  define STDERR_FILENO	2
2736 # endif /* ! STDERR_FILENO */
2737 
2738 # ifndef LOCK_SH
2739 #  define LOCK_SH	0x01	/* shared lock */
2740 #  define LOCK_EX	0x02	/* exclusive lock */
2741 #  define LOCK_NB	0x04	/* non-blocking lock */
2742 #  define LOCK_UN	0x08	/* unlock */
2743 # endif /* ! LOCK_SH */
2744 
2745 # ifndef S_IXOTH
2746 #  define S_IXOTH	(S_IEXEC >> 6)
2747 # endif /* ! S_IXOTH */
2748 
2749 # ifndef S_IXGRP
2750 #  define S_IXGRP	(S_IEXEC >> 3)
2751 # endif /* ! S_IXGRP */
2752 
2753 # ifndef S_IXUSR
2754 #  define S_IXUSR	(S_IEXEC)
2755 # endif /* ! S_IXUSR */
2756 
2757 #ifndef O_ACCMODE
2758 # define O_ACCMODE	(O_RDONLY|O_WRONLY|O_RDWR)
2759 #endif /* ! O_ACCMODE */
2760 
2761 # ifndef SEEK_SET
2762 #  define SEEK_SET	0
2763 #  define SEEK_CUR	1
2764 #  define SEEK_END	2
2765 # endif /* ! SEEK_SET */
2766 
2767 # ifndef SIG_ERR
2768 #  define SIG_ERR	((void (*)()) -1)
2769 # endif /* ! SIG_ERR */
2770 
2771 # ifndef WEXITSTATUS
2772 #  define WEXITSTATUS(st)	(((st) >> 8) & 0377)
2773 # endif /* ! WEXITSTATUS */
2774 # ifndef WIFEXITED
2775 #  define WIFEXITED(st)		(((st) & 0377) == 0)
2776 # endif /* ! WIFEXITED */
2777 # ifndef WIFSTOPPED
2778 #  define WIFSTOPPED(st)		(((st) & 0100) == 0)
2779 # endif /* ! WIFSTOPPED */
2780 # ifndef WCOREDUMP
2781 #  define WCOREDUMP(st)		(((st) & 0200) != 0)
2782 # endif /* ! WCOREDUMP */
2783 # ifndef WTERMSIG
2784 #  define WTERMSIG(st)		(((st) & 0177))
2785 # endif /* ! WTERMSIG */
2786 
2787 # ifndef SIGFUNC_DEFINED
2788 typedef void		(*sigfunc_t) __P((int));
2789 # endif /* ! SIGFUNC_DEFINED */
2790 # ifndef SIGFUNC_RETURN
2791 #  define SIGFUNC_RETURN
2792 # endif /* ! SIGFUNC_RETURN */
2793 # ifndef SIGFUNC_DECL
2794 #  define SIGFUNC_DECL	void
2795 # endif /* ! SIGFUNC_DECL */
2796 
2797 /* size of syslog buffer */
2798 # ifndef SYSLOG_BUFSIZE
2799 #  define SYSLOG_BUFSIZE	1024
2800 # endif /* ! SYSLOG_BUFSIZE */
2801 
2802 /* for FD_SET() */
2803 #ifndef FD_SETSIZE
2804 # define FD_SETSIZE	256
2805 #endif /* ! FD_SETSIZE */
2806 
2807 /*
2808 **  Size of prescan buffer.
2809 **	Despite comments in the _sendmail_ book, this probably should
2810 **	not be changed; there are some hard-to-define dependencies.
2811 */
2812 
2813 # define PSBUFSIZE	(MAXNAME + MAXATOM)	/* size of prescan buffer */
2814 
2815 /* fork routine -- set above using #ifdef _osname_ or in Makefile */
2816 # ifndef FORK
2817 #  define FORK		fork		/* function to call to fork mailer */
2818 # endif /* ! FORK */
2819 
2820 /* setting h_errno */
2821 # ifndef SM_SET_H_ERRNO
2822 #  define SM_SET_H_ERRNO(err)	h_errno = (err)
2823 # endif /* SM_SET_H_ERRNO */
2824 
2825 # ifndef SM_CONF_GETOPT
2826 #  define SM_CONF_GETOPT	1
2827 # endif /* ! SM_CONF_GETOPT */
2828 
2829 /* random routine -- set above using #ifdef _osname_ or in Makefile */
2830 # if HASRANDOM
2831 #  define get_random()	random()
2832 # else /* HASRANDOM */
2833 #  define get_random()	((long) rand())
2834 #  ifndef RANDOMSHIFT
2835 #   define RANDOMSHIFT	8
2836 #  endif /* ! RANDOMSHIFT */
2837 # endif /* HASRANDOM */
2838 
2839 /*
2840 **  Default to using scanf in readcf.
2841 */
2842 
2843 # ifndef SCANF
2844 #  define SCANF		1
2845 # endif /* ! SCANF */
2846 
2847 /* XXX  32 bit type */
2848 # ifndef SM_INT32
2849 #  define SM_INT32	int32_t
2850 # endif /* ! SM_INT32 */
2851 
2852 /*
2853 **  SVr4 and similar systems use different routines for setjmp/longjmp
2854 **  with signal support
2855 */
2856 
2857 # if USE_SIGLONGJMP
2858 #  ifdef jmp_buf
2859 #   undef jmp_buf
2860 #  endif /* jmp_buf */
2861 #  define jmp_buf		sigjmp_buf
2862 #  ifdef setjmp
2863 #   undef setjmp
2864 #  endif /* setjmp */
2865 #  define setjmp(env)		sigsetjmp(env, 1)
2866 #  ifdef longjmp
2867 #   undef longjmp
2868 #  endif /* longjmp */
2869 #  define longjmp(env, val)	siglongjmp(env, val)
2870 # endif /* USE_SIGLONGJMP */
2871 
2872 # if !defined(NGROUPS_MAX) && defined(NGROUPS)
2873 #  define NGROUPS_MAX	NGROUPS		/* POSIX naming convention */
2874 # endif /* !defined(NGROUPS_MAX) && defined(NGROUPS) */
2875 
2876 /*
2877 **  Some snprintf() implementations are rumored not to NUL terminate.
2878 */
2879 # if SNPRINTF_IS_BROKEN
2880 #  ifdef snprintf
2881 #   undef snprintf
2882 #  endif /* snprintf */
2883 #  define snprintf	sm_snprintf
2884 #  ifdef vsnprintf
2885 #   undef vsnprintf
2886 #  endif /* vsnprintf */
2887 #  define vsnprintf	sm_vsnprintf
2888 # endif /* SNPRINTF_IS_BROKEN */
2889 
2890 /*
2891 **  If we don't have a system syslog, simulate it.
2892 */
2893 
2894 # if !LOG
2895 #  define LOG_EMERG	0	/* system is unusable */
2896 #  define LOG_ALERT	1	/* action must be taken immediately */
2897 #  define LOG_CRIT	2	/* critical conditions */
2898 #  define LOG_ERR	3	/* error conditions */
2899 #  define LOG_WARNING	4	/* warning conditions */
2900 #  define LOG_NOTICE	5	/* normal but significant condition */
2901 #  define LOG_INFO	6	/* informational */
2902 #  define LOG_DEBUG	7	/* debug-level messages */
2903 # endif /* !LOG */
2904 
2905 # ifndef SM_CONF_SYSLOG
2906 #  define SM_CONF_SYSLOG 1	/* syslog.h has prototype for syslog() */
2907 # endif /* SM_CONF_SYSLOG */
2908 
2909 # if !SM_CONF_SYSLOG
2910 #   ifdef __STDC__
2911 extern void	syslog(int, const char *, ...);
2912 #   else /* __STDC__ */
2913 extern void	syslog();
2914 #   endif /* __STDC__ */
2915 # endif /* !SM_CONF_SYSLOG */
2916 
2917 /* portable(?) definition for alignment */
2918 # ifndef SM_ALIGN_SIZE
2919 struct sm_align
2920 {
2921 	char al_c;
2922 	union
2923 	{
2924 		long	al_l;
2925 		void	*al_p;
2926 		double	al_d;
2927 		void	(*al_f)();
2928 	} al_u;
2929 };
2930 #  define SM_ALIGN_SIZE offsetof(struct sm_align, al_u)
2931 # endif /* ! SM_ALIGN_SIZE */
2932 # define SM_ALIGN_BITS (SM_ALIGN_SIZE - 1)
2933 
2934 #endif /* ! SM_CONF_H */
2935