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      1 /*	$NetBSD: sys_defs.h,v 1.15 2025/02/25 19:15:52 christos Exp $	*/
      2 
      3 #ifndef _SYS_DEFS_H_INCLUDED_
      4 #define _SYS_DEFS_H_INCLUDED_
      5 
      6 /*++
      7 /* NAME
      8 /*	sys_defs 3h
      9 /* SUMMARY
     10 /*	portability header
     11 /* SYNOPSIS
     12 /*	#include <sys_defs.h>
     13 /* DESCRIPTION
     14 /* .nf
     15 
     16  /*
     17   * Specific platforms. Major release numbers differ for a good reason. So be
     18   * a good girl, plan for the future, and at least include the major release
     19   * number in the system type (for example, SUNOS5 or FREEBSD2). The system
     20   * type is determined by the makedefs shell script in the top-level
     21   * directory. Adding support for a new system type means updating the
     22   * makedefs script, and adding a section below for the new system.
     23   */
     24 #ifdef SUNOS5
     25 #define _SVID_GETTOD			/* Solaris 2.5, XSH4.2 versus SVID */
     26 #endif
     27 #include <sys/types.h>
     28 
     29  /*
     30   * 4.4BSD and close derivatives.
     31   */
     32 #if defined(FREEBSD2) || defined(FREEBSD3) || defined(FREEBSD4) \
     33     || defined(FREEBSD5) || defined(FREEBSD6) || defined(FREEBSD7) \
     34     || defined(FREEBSD8) || defined(FREEBSD9) || defined(FREEBSD10) \
     35     || defined(FREEBSD11) || defined(FREEBSD12) || defined(FREEBSD13) \
     36     || defined(FREEBSD14) \
     37     || defined(BSDI2) || defined(BSDI3) || defined(BSDI4) \
     38     || defined(OPENBSD2) || defined(OPENBSD3) || defined(OPENBSD4) \
     39     || defined(OPENBSD5) || defined(OPENBSD6) || defined(OPENBSD7) \
     40     || defined(NETBSD1) || defined(NETBSD2) || defined(NETBSD3) \
     41     || defined(NETBSD4) || defined(NETBSD5) || defined(NETBSD6) \
     42     || defined(NETBSD7) | defined(NETBSD8) || defined(NETBSD9) \
     43     || defined(NETBSD10) \
     44     || defined(EKKOBSD1) || defined(DRAGONFLY)
     45 #define SUPPORTED
     46 #include <sys/param.h>
     47 #define UINT32_TYPE	unsigned int
     48 #define UINT16_TYPE	unsigned short
     49 #define USE_PATHS_H
     50 #define HAS_FLOCK_LOCK
     51 #define HAS_FCNTL_LOCK
     52 #define INTERNAL_LOCK	MYFLOCK_STYLE_FLOCK
     53 #define DEF_MAILBOX_LOCK "flock, dotlock"
     54 #define HAS_SUN_LEN
     55 #define HAS_FSYNC
     56 #define HAS_DB
     57 #define HAS_SA_LEN
     58 #define NATIVE_DB_TYPE	"hash"
     59 #if (defined(__NetBSD_Version__) && __NetBSD_Version__ >= 104250000)
     60 #define ALIAS_DB_MAP   DEF_DB_TYPE ":/etc/mail/aliases"	/* sendmail 8.10 */
     61 #endif
     62 #if (defined(OpenBSD) && OpenBSD >= 200006)
     63 #define ALIAS_DB_MAP   DEF_DB_TYPE ":/etc/mail/aliases"	/* OpenBSD 2.7 */
     64 #endif
     65 #ifndef ALIAS_DB_MAP
     66 #define ALIAS_DB_MAP	DEF_DB_TYPE ":/etc/aliases"
     67 #endif
     68 #define GETTIMEOFDAY(t)	gettimeofday(t,(struct timezone *) 0)
     69 #define ROOT_PATH	"/bin:/usr/bin:/sbin:/usr/sbin"
     70 #if (defined(__NetBSD_Version__) && __NetBSD_Version__ > 299000900)
     71 #define USE_STATVFS
     72 #define STATVFS_IN_SYS_STATVFS_H
     73 #else
     74 #define USE_STATFS
     75 #define STATFS_IN_SYS_MOUNT_H
     76 #endif
     77 #define HAS_POSIX_REGEXP
     78 #define HAS_ST_GEN			/* struct stat contains inode
     79 					 * generation number */
     80 #define NATIVE_SENDMAIL_PATH "/usr/sbin/sendmail"
     81 #define NATIVE_MAILQ_PATH "/usr/bin/mailq"
     82 #define NATIVE_NEWALIAS_PATH "/usr/bin/newaliases"
     83 #define NATIVE_COMMAND_DIR "/usr/sbin"
     84 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix"
     85 #define HAS_DLOPEN
     86 #endif
     87 
     88 #ifdef FREEBSD2
     89 #define getsid(p) getpgrp()
     90 #ifndef CMSG_SPACE
     91 #define CMSG_SPACE(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(len))
     92 #endif
     93 #ifndef CMSG_LEN
     94 #define CMSG_LEN(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
     95 #endif
     96 #ifndef CMSG_ALIGN
     97 #define CMSG_ALIGN(n) ALIGN(n)
     98 #endif
     99 #endif					/* FREEBSD2 */
    100 
    101 #ifdef BSDI4
    102 /* #define HAS_IPV6 find out interface lookup method */
    103 #endif
    104 
    105 /* __FreeBSD_version version is major+minor */
    106 
    107 #if __FreeBSD_version >= 220000
    108 #define PREFERRED_RAND_SOURCE	"dev:/dev/urandom"	/* introduced 2.1.5 */
    109 #endif
    110 
    111 #if __FreeBSD_version >= 300000
    112 #define HAS_ISSETUGID
    113 #define HAS_FUTIMES
    114 #endif
    115 
    116 #if __FreeBSD_version >= 400000
    117 #define SOCKADDR_SIZE	socklen_t
    118 #define SOCKOPT_SIZE	socklen_t
    119 #endif
    120 
    121 #if __FreeBSD_version >= 420000
    122 #define HAS_DUPLEX_PIPE			/* 4.1 breaks with kqueue(2) */
    123 #endif
    124 
    125 #if (__FreeBSD_version >= 702104 && __FreeBSD_version <= 800000) \
    126     || __FreeBSD_version >= 800100
    127 #define HAS_CLOSEFROM
    128 #endif
    129 
    130 /* OpenBSD version is year+month */
    131 
    132 #if OpenBSD >= 199805			/* XXX */
    133 #define HAS_FUTIMES			/* XXX maybe earlier */
    134 #endif
    135 
    136 #if (defined(OpenBSD) && OpenBSD >= 199608 && OpenBSD < 201105)
    137 #define PREFERRED_RAND_SOURCE	"dev:/dev/arandom"	/* XXX earlier */
    138 #endif
    139 
    140 #if OpenBSD >= 200000			/* XXX */
    141 #define HAS_ISSETUGID
    142 #endif
    143 
    144 #if OpenBSD >= 200200			/* XXX */
    145 #define SOCKADDR_SIZE	socklen_t
    146 #define SOCKOPT_SIZE	socklen_t
    147 #endif
    148 
    149 #if OpenBSD >= 200405			/* 3.5 */
    150 #define HAS_CLOSEFROM
    151 #endif
    152 
    153 /* __NetBSD_Version__ is major+minor */
    154 
    155 #if __NetBSD_Version__ >= 103000000	/* XXX maybe earlier */
    156 #undef DEF_MAILBOX_LOCK
    157 #define DEF_MAILBOX_LOCK "flock, dotlock"
    158 #define PREFERRED_RAND_SOURCE	"dev:/dev/urandom"	/* XXX maybe earlier */
    159 #endif
    160 
    161 #if __NetBSD_Version__ >= 105000000
    162 #define HAS_ISSETUGID			/* XXX maybe earlier */
    163 #endif
    164 
    165 #if __NetBSD_Version__ >= 106000000	/* XXX maybe earlier */
    166 #define SOCKADDR_SIZE	socklen_t
    167 #define SOCKOPT_SIZE	socklen_t
    168 #endif
    169 
    170 #if __NetBSD_Version__ >= 299000900	/* 2.99.9 */
    171 #define HAS_CLOSEFROM
    172 #endif
    173 
    174 #if (defined(__NetBSD_Version__) && __NetBSD_Version__ >= 102000000)
    175 #define HAS_FUTIMES
    176 #endif
    177 
    178 #if defined(__DragonFly__)
    179 #define HAS_DEV_URANDOM
    180 #define HAS_ISSETUGID
    181 #define HAS_FUTIMES
    182 #define SOCKADDR_SIZE	socklen_t
    183 #define SOCKOPT_SIZE	socklen_t
    184 #define HAS_DUPLEX_PIPE
    185 #endif
    186 
    187 #if (defined(__NetBSD_Version__) && __NetBSD_Version__ >= 105000000) \
    188     || (defined(__FreeBSD__) && __FreeBSD__ >= 4) \
    189     || (defined(OpenBSD) && OpenBSD >= 200003) \
    190     || defined(__DragonFly__) \
    191     || defined(USAGI_LIBINET6)
    192 #ifndef NO_IPV6
    193 #define HAS_IPV6
    194 #endif
    195 #if !defined(NO_IPV6) || defined(__NetBSD__)
    196 #define HAVE_GETIFADDRS
    197 #endif
    198 #endif
    199 
    200 #if (defined(__FreeBSD_version) && __FreeBSD_version >= 300000) \
    201     || (defined(__NetBSD_Version__) && __NetBSD_Version__ >= 103000000) \
    202     || (defined(OpenBSD) && OpenBSD >= 199700)	/* OpenBSD 2.0?? */ \
    203     || defined(__DragonFly__)
    204 #define USE_SYSV_POLL
    205 #endif
    206 
    207 #ifndef NO_KQUEUE
    208 #if (defined(__FreeBSD_version) && __FreeBSD_version >= 410000) \
    209     || (defined(__NetBSD_Version__) && __NetBSD_Version__ >= 200000000) \
    210     || (defined(OpenBSD) && OpenBSD >= 200105)	/* OpenBSD 2.9 */ \
    211     || defined(__DragonFly__)
    212 #define EVENTS_STYLE	EVENTS_STYLE_KQUEUE
    213 #endif
    214 #endif
    215 
    216 #ifndef NO_POSIX_GETPW_R
    217 #if (defined(__FreeBSD_version) && __FreeBSD_version >= 510000) \
    218     || (defined(__NetBSD_Version__) && __NetBSD_Version__ >= 300000000) \
    219     || (defined(OpenBSD) && OpenBSD >= 200811)	/* OpenBSD 4.4 */
    220 #define HAVE_POSIX_GETPW_R
    221 #endif
    222 #endif
    223 
    224  /*
    225   * UNIX on MAC.
    226   */
    227 #if defined(RHAPSODY5) || defined(MACOSX)
    228 #define SUPPORTED
    229 #define UINT32_TYPE	unsigned int
    230 #define UINT16_TYPE	unsigned short
    231 #define USE_PATHS_H
    232 #define HAS_FLOCK_LOCK
    233 #define HAS_FCNTL_LOCK
    234 #define INTERNAL_LOCK	MYFLOCK_STYLE_FLOCK
    235 #define DEF_MAILBOX_LOCK "flock, dotlock"
    236 #define HAS_SUN_LEN
    237 #define HAS_FSYNC
    238 #define HAS_DB
    239 #define HAS_SA_LEN
    240 #define NATIVE_DB_TYPE	"hash"
    241 #define ALIAS_DB_MAP	DEF_DB_TYPE ":/etc/aliases"
    242 #define GETTIMEOFDAY(t) gettimeofday(t,(struct timezone *) 0)
    243 #define ROOT_PATH	"/bin:/usr/bin:/sbin:/usr/sbin"
    244 #define USE_STATFS
    245 #define STATFS_IN_SYS_MOUNT_H
    246 #define HAS_POSIX_REGEXP
    247 #ifndef NO_NETINFO
    248 #define HAS_NETINFO
    249 #endif
    250 #ifndef NO_IPV6
    251 #define HAS_IPV6
    252 #define HAVE_GETIFADDRS
    253 #endif
    254 #define HAS_FUTIMES			/* XXX Guessing */
    255 #define NATIVE_SENDMAIL_PATH "/usr/sbin/sendmail"
    256 #define NATIVE_MAILQ_PATH "/usr/bin/mailq"
    257 #define NATIVE_NEWALIAS_PATH "/usr/bin/newaliases"
    258 #define NATIVE_COMMAND_DIR "/usr/sbin"
    259 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix"
    260 #define SOCKADDR_SIZE	socklen_t
    261 #define SOCKOPT_SIZE	socklen_t
    262 #ifndef NO_KQUEUE
    263 #define EVENTS_STYLE	EVENTS_STYLE_KQUEUE
    264 #define USE_SYSV_POLL_THEN_SELECT
    265 #endif
    266 #define USE_MAX_FILES_PER_PROC
    267 #ifndef NO_POSIX_GETPW_R
    268 #define HAVE_POSIX_GETPW_R
    269 #endif
    270 #define HAS_DLOPEN
    271 #define PREFERRED_RAND_SOURCE	"dev:/dev/urandom"
    272 #endif
    273 
    274  /*
    275   * Ultrix 4.x, a sort of 4.[1-2] BSD system with System V.2 compatibility
    276   * and POSIX.
    277   */
    278 #ifdef ULTRIX4
    279 #define SUPPORTED
    280 #define UINT32_TYPE	unsigned int
    281 #define UINT16_TYPE	unsigned short
    282 /* Ultrix by default has only 64 descriptors per process */
    283 #ifndef FD_SETSIZE
    284 #define FD_SETSIZE	96
    285 #endif
    286 #define _PATH_MAILDIR	"/var/spool/mail"
    287 #define _PATH_BSHELL	"/bin/sh"
    288 #define _PATH_DEFPATH	"/bin:/usr/bin:/usr/ucb"
    289 #define _PATH_STDPATH	"/bin:/usr/bin:/usr/etc:/usr/ucb"
    290 #define HAS_FLOCK_LOCK
    291 #define HAS_FCNTL_LOCK
    292 #define INTERNAL_LOCK	MYFLOCK_STYLE_FLOCK
    293 #define DEF_MAILBOX_LOCK "flock, dotlock"
    294 #define HAS_FSYNC
    295 /* might be set by makedef */
    296 #ifdef HAS_DB
    297 #define NATIVE_DB_TYPE	"hash"
    298 #define ALIAS_DB_MAP	DEF_DB_TYPE ":/etc/aliases"
    299 #else
    300 #define HAS_DBM
    301 #define	NATIVE_DB_TYPE	"dbm"
    302 #define ALIAS_DB_MAP	DEF_DB_TYPE ":/etc/aliases"
    303 #endif
    304 extern int optind;
    305 extern char *optarg;
    306 extern int opterr;
    307 extern int h_errno;
    308 
    309 #define MISSING_STRFTIME_E
    310 #ifndef NO_NIS
    311 #define HAS_NIS
    312 #endif
    313 #define GETTIMEOFDAY(t)	gettimeofday(t,(struct timezone *) 0)
    314 #define ROOT_PATH	"/bin:/usr/bin:/etc:/usr/etc:/usr/ucb"
    315 #define USE_STATFS
    316 #define USE_STRUCT_FS_DATA
    317 #define STATFS_IN_SYS_MOUNT_H
    318 /* Ultrix misses just S_ISSOCK, the others are there */
    319 #define S_ISSOCK(mode)	(((mode) & (S_IFMT)) == (S_IFSOCK))
    320 #define DUP2_DUPS_CLOSE_ON_EXEC
    321 #define MISSING_USLEEP
    322 #define NO_HERRNO
    323 #define NATIVE_SENDMAIL_PATH "/usr/lib/sendmail"
    324 #define NATIVE_COMMAND_DIR "/usr/etc"
    325 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix"
    326 #endif
    327 
    328  /*
    329   * OSF, then Digital UNIX, then Compaq. A BSD-flavored hybrid.
    330   */
    331 #ifdef OSF1
    332 #define SUPPORTED
    333 #define UINT32_TYPE	unsigned int
    334 #define UINT16_TYPE	unsigned short
    335 #define MISSING_SETENV
    336 #define USE_PATHS_H
    337 #define _PATH_DEFPATH "/usr/bin:/usr/ucb"
    338 #define HAS_FLOCK_LOCK
    339 #define HAS_FCNTL_LOCK
    340 #define INTERNAL_LOCK	MYFLOCK_STYLE_FLOCK
    341 #define DEF_MAILBOX_LOCK "flock, dotlock"
    342 #define HAS_FSYNC
    343 #define HAVE_BASENAME
    344 #define HAS_DBM
    345 #define NATIVE_DB_TYPE	"dbm"
    346 #define ALIAS_DB_MAP	DEF_DB_TYPE ":/var/adm/sendmail/aliases"
    347 extern int optind;			/* XXX use <getopt.h> */
    348 extern char *optarg;			/* XXX use <getopt.h> */
    349 extern int opterr;			/* XXX use <getopt.h> */
    350 
    351 #ifndef NO_NIS
    352 #define HAS_NIS
    353 #endif
    354 #define GETTIMEOFDAY(t)	gettimeofday(t,(struct timezone *) 0)
    355 #define ROOT_PATH	"/bin:/usr/bin:/sbin:/usr/sbin:/usr/ucb"
    356 #define USE_STATFS
    357 #define STATFS_IN_SYS_MOUNT_H
    358 #define HAS_POSIX_REGEXP
    359 #define BROKEN_WRITE_SELECT_ON_NON_BLOCKING_PIPE
    360 #define NO_MSGHDR_MSG_CONTROL
    361 #ifndef NO_IPV6
    362 #define HAS_IPV6
    363 #endif
    364 
    365 #endif
    366 
    367  /*
    368   * SunOS 4.x, a mostly 4.[2-3] BSD system with System V.2 compatibility and
    369   * POSIX support.
    370   */
    371 #ifdef SUNOS4
    372 #define SUPPORTED
    373 #include <memory.h>
    374 #define UINT32_TYPE	unsigned int
    375 #define UINT16_TYPE	unsigned short
    376 #define UNSAFE_CTYPE
    377 #define fpos_t	long
    378 #define MISSING_SETENV
    379 #define MISSING_STRERROR
    380 #define MISSING_STRTOUL
    381 #define _PATH_MAILDIR	"/var/spool/mail"
    382 #define _PATH_BSHELL	"/bin/sh"
    383 #define _PATH_DEFPATH	"/usr/bin:/usr/ucb"
    384 #define _PATH_STDPATH	"/usr/bin:/usr/etc:/usr/ucb"
    385 #define HAS_FLOCK_LOCK
    386 #define HAS_FCNTL_LOCK
    387 #define INTERNAL_LOCK	MYFLOCK_STYLE_FLOCK
    388 #define DEF_MAILBOX_LOCK "flock, dotlock"
    389 #define HAS_FSYNC
    390 #define HAS_DBM
    391 #define NATIVE_DB_TYPE	"dbm"
    392 #define ALIAS_DB_MAP	DEF_DB_TYPE ":/etc/aliases"
    393 extern int optind;
    394 extern char *optarg;
    395 extern int opterr;
    396 
    397 #ifndef NO_NIS
    398 #define HAS_NIS
    399 #endif
    400 #define GETTIMEOFDAY(t)	gettimeofday(t,(struct timezone *) 0)
    401 #define ROOT_PATH	"/bin:/usr/bin:/etc:/usr/etc:/usr/ucb"
    402 #define USE_STATFS
    403 #define STATFS_IN_SYS_VFS_H
    404 #define memmove(d,s,l)	bcopy(s,d,l)
    405 #define NO_HERRNO
    406 #define NATIVE_SENDMAIL_PATH "/usr/lib/sendmail"
    407 #define NATIVE_MAILQ_PATH "/usr/ucb/mailq"
    408 #define NATIVE_NEWALIAS_PATH "/usr/ucb/newaliases"
    409 #define NATIVE_COMMAND_DIR "/usr/etc"
    410 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix"
    411 #define STRCASECMP_IN_STRINGS_H
    412 #define OCTAL_TO_UNSIGNED(res, str) sscanf((str), "%o", &(res))
    413 #define size_t	unsigned
    414 #define ssize_t	int
    415 #define getsid	getpgrp
    416 #define NO_SNPRINTF
    417 #endif
    418 
    419  /*
    420   * SunOS 5.x, mostly System V Release 4.
    421   */
    422 #ifdef SUNOS5
    423 #define SUPPORTED
    424 #define UINT32_TYPE	unsigned int
    425 #define UINT16_TYPE	unsigned short
    426 #define _PATH_MAILDIR	"/var/mail"
    427 #define _PATH_BSHELL	"/bin/sh"
    428 #define _PATH_DEFPATH	"/usr/bin:/usr/ucb"
    429 #define _PATH_STDPATH	"/usr/bin:/usr/sbin:/usr/ucb"
    430 #define HAS_FCNTL_LOCK
    431 #define INTERNAL_LOCK	MYFLOCK_STYLE_FCNTL
    432 #define DEF_MAILBOX_LOCK "fcntl, dotlock"
    433 #define HAS_FSYNC
    434 #define HAS_DBM
    435 #define NATIVE_DB_TYPE	"dbm"
    436 #define ALIAS_DB_MAP	DEF_DB_TYPE ":/etc/mail/aliases"
    437 #ifndef NO_NIS
    438 #define HAS_NIS
    439 #ifndef NO_NISPLUS
    440 #define HAS_NISPLUS
    441 #endif					/* NO_NISPLUS */
    442 #endif
    443 #define USE_SYS_SOCKIO_H		/* Solaris 2.5, changed sys/ioctl.h */
    444 #define GETTIMEOFDAY(t)	gettimeofday(t)
    445 #define ROOT_PATH	"/bin:/usr/bin:/sbin:/usr/sbin:/usr/ucb"
    446 #define FIONREAD_IN_SYS_FILIO_H
    447 #define USE_STATVFS
    448 #define STATVFS_IN_SYS_STATVFS_H
    449 #define INT_MAX_IN_LIMITS_H
    450 #ifdef STREAM_CONNECTIONS		/* avoid UNIX-domain sockets */
    451 #define LOCAL_LISTEN	stream_listen
    452 #define LOCAL_ACCEPT	stream_accept
    453 #define LOCAL_CONNECT	stream_connect
    454 #define LOCAL_TRIGGER	stream_trigger
    455 #define LOCAL_SEND_FD	stream_send_fd
    456 #define LOCAL_RECV_FD	stream_recv_fd
    457 #endif
    458 #define HAS_VOLATILE_LOCKS
    459 #define BROKEN_READ_SELECT_ON_TCP_SOCKET
    460 #define CANT_WRITE_BEFORE_SENDING_FD
    461 #ifndef NO_POSIX_REGEXP
    462 #define HAS_POSIX_REGEXP
    463 #endif
    464 #ifndef NO_IPV6
    465 #define HAS_IPV6
    466 #define HAS_SIOCGLIF
    467 #endif
    468 #ifndef NO_CLOSEFROM
    469 #define HAS_CLOSEFROM
    470 #endif
    471 #ifndef NO_DEV_URANDOM
    472 #define PREFERRED_RAND_SOURCE	"dev:/dev/urandom"
    473 #endif
    474 #ifndef NO_FUTIMESAT
    475 #define HAS_FUTIMESAT
    476 #endif
    477 #define USE_SYSV_POLL
    478 #ifndef NO_DEVPOLL
    479 #define EVENTS_STYLE	EVENTS_STYLE_DEVPOLL
    480 #endif
    481 #ifndef NO_POSIX_GETPW_R
    482 #define HAVE_POSIX_GETPW_R
    483 #define GETPW_R_NEEDS_POSIX_PTHREAD_SEMANTICS
    484 #endif
    485 
    486 /*
    487  * Allow build environment to override paths.
    488  */
    489 #define NATIVE_SENDMAIL_PATH "/usr/lib/sendmail"
    490 #define NATIVE_MAILQ_PATH "/usr/bin/mailq"
    491 #define NATIVE_NEWALIAS_PATH "/usr/bin/newaliases"
    492 #define NATIVE_COMMAND_DIR "/usr/sbin"
    493 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix"
    494 
    495 #define HAS_DLOPEN
    496 #endif
    497 
    498  /*
    499   * UnixWare, System Release 4.
    500   */
    501 #ifdef UW7				/* UnixWare 7 */
    502 #define SUPPORTED
    503 #define UINT32_TYPE	unsigned int
    504 #define UINT16_TYPE	unsigned short
    505 #define _PATH_MAILDIR	"/var/mail"
    506 #define _PATH_BSHELL	"/bin/sh"
    507 #define _PATH_DEFPATH	"/usr/bin:/usr/ucb"
    508 #define _PATH_STDPATH	"/usr/bin:/usr/sbin:/usr/ucb"
    509 #define MISSING_SETENV
    510 #define HAS_FCNTL_LOCK
    511 #define INTERNAL_LOCK	MYFLOCK_STYLE_FCNTL
    512 #define DEF_MAILBOX_LOCK "fcntl, dotlock"
    513 #define HAS_FSYNC
    514 #define HAS_DBM
    515 #define NATIVE_DB_TYPE	"dbm"
    516 #define ALIAS_DB_MAP	DEF_DB_TYPE ":/etc/mail/aliases"
    517 #ifndef NO_NIS
    518 #define HAS_NIS
    519 #endif
    520 #define USE_SYS_SOCKIO_H
    521 #define GETTIMEOFDAY(t)	gettimeofday(t,(struct timezone *) 0)
    522 #define ROOT_PATH	"/bin:/usr/bin:/sbin:/usr/sbin:/usr/ucb"
    523 #define FIONREAD_IN_SYS_FILIO_H
    524 #define DBM_NO_TRAILING_NULL
    525 #define USE_STATVFS
    526 #define STATVFS_IN_SYS_STATVFS_H
    527 #define STRCASECMP_IN_STRINGS_H
    528 #define USE_SET_H_ERRNO
    529 #endif
    530 
    531 #ifdef UW21				/* UnixWare 2.1.x */
    532 #define SUPPORTED
    533 #define UINT32_TYPE	unsigned int
    534 #define UINT16_TYPE	unsigned short
    535 #define _PATH_MAILDIR   "/var/mail"
    536 #define _PATH_BSHELL    "/bin/sh"
    537 #define _PATH_DEFPATH   "/usr/bin:/usr/ucb"
    538 #define _PATH_STDPATH   "/usr/bin:/usr/sbin:/usr/ucb"
    539 #define MISSING_SETENV
    540 #define HAS_FCNTL_LOCK
    541 #define INTERNAL_LOCK	MYFLOCK_STYLE_FCNTL
    542 #define DEF_MAILBOX_LOCK "fcntl, dotlock"
    543 #define HAS_FSYNC
    544 #define HAS_DBM
    545 #define NATIVE_DB_TYPE     "dbm"
    546 #define ALIAS_DB_MAP    DEF_DB_TYPE ":/etc/mail/aliases"
    547 #ifndef NO_NIS
    548 #define HAS_NIS */
    549 #endif
    550 #define USE_SYS_SOCKIO_H
    551 #define GETTIMEOFDAY(t) gettimeofday(t,NULL)
    552 #define ROOT_PATH       "/bin:/usr/bin:/sbin:/usr/sbin:/usr/ucb"
    553 #define FIONREAD_IN_SYS_FILIO_H
    554 #define DBM_NO_TRAILING_NULL
    555 #define USE_STATVFS
    556 #define STATVFS_IN_SYS_STATVFS_H
    557 #endif
    558 
    559  /*
    560   * AIX: a SYSV-flavored hybrid. NB: fcntl() and flock() access the same
    561   * underlying locking primitives.
    562   */
    563 #if defined(AIX5) || defined(AIX6)
    564 #define SUPPORTED
    565 #define UINT32_TYPE	unsigned int
    566 #define UINT16_TYPE	unsigned short
    567 #define MISSING_SETENV
    568 #define USE_PATHS_H
    569 #ifndef _PATH_BSHELL
    570 #define _PATH_BSHELL	"/bin/sh"
    571 #endif
    572 #ifndef _PATH_MAILDIR
    573 #define _PATH_MAILDIR   "/var/spool/mail"	/* paths.h lies */
    574 #endif
    575 #ifndef _PATH_DEFPATH
    576 #define _PATH_DEFPATH	"/usr/bin:/usr/ucb"
    577 #endif
    578 #ifndef _PATH_STDPATH
    579 #define _PATH_STDPATH	"/usr/bin:/usr/sbin:/usr/ucb"
    580 #endif
    581 #define HAS_FCNTL_LOCK
    582 #define INTERNAL_LOCK	MYFLOCK_STYLE_FCNTL
    583 #define DEF_MAILBOX_LOCK "fcntl, dotlock"
    584 #define USE_SYS_SELECT_H
    585 #define HAS_FSYNC
    586 #define HAS_DBM
    587 #define NATIVE_DB_TYPE	"dbm"
    588 #define ALIAS_DB_MAP	DEF_DB_TYPE ":/etc/aliases"
    589 #ifndef NO_NIS
    590 #define HAS_NIS
    591 #endif
    592 #define HAS_SA_LEN
    593 #define GETTIMEOFDAY(t)	gettimeofday(t,(struct timezone *) 0)
    594 #define ROOT_PATH	"/bin:/usr/bin:/sbin:/usr/sbin:/usr/ucb"
    595 #define SOCKADDR_SIZE	socklen_t
    596 #define SOCKOPT_SIZE	socklen_t
    597 #define USE_STATVFS
    598 #define STATVFS_IN_SYS_STATVFS_H
    599 #define NATIVE_SENDMAIL_PATH "/usr/sbin/sendmail"
    600 #define NATIVE_MAILQ_PATH "/usr/sbin/mailq"
    601 #define NATIVE_NEWALIAS_PATH "/usr/sbin/newaliases"
    602 #define NATIVE_COMMAND_DIR "/usr/sbin"
    603 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix"
    604 
    605  /*
    606   * XXX Need CMSG_SPACE() and CMSG_LEN() but don't want to drag in everything
    607   * that comes with _LINUX_SOURCE_COMPAT.
    608   */
    609 #include <sys/socket.h>
    610 #ifndef CMSG_SPACE
    611 #define CMSG_SPACE(len) (_CMSG_ALIGN(sizeof(struct cmsghdr)) + _CMSG_ALIGN(len))
    612 #endif
    613 #ifndef CMSG_LEN
    614 #define CMSG_LEN(len) (_CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
    615 #endif
    616 #ifndef NO_IPV6
    617 #define HAS_IPV6
    618 #endif
    619 #define BROKEN_AI_PASSIVE_NULL_HOST
    620 #define BROKEN_AI_NULL_SERVICE
    621 #define USE_SYSV_POLL
    622 #define MYMALLOC_FUZZ	1
    623 #endif
    624 
    625 #ifdef AIX4
    626 #define SUPPORTED
    627 #define UINT32_TYPE	unsigned int
    628 #define UINT16_TYPE	unsigned short
    629 #define MISSING_SETENV
    630 #define _PATH_BSHELL	"/bin/sh"
    631 #define _PATH_MAILDIR   "/var/spool/mail"	/* paths.h lies */
    632 #define _PATH_DEFPATH	"/usr/bin:/usr/ucb"
    633 #define _PATH_STDPATH	"/usr/bin:/usr/sbin:/usr/ucb"
    634 #define HAS_FCNTL_LOCK
    635 #define INTERNAL_LOCK	MYFLOCK_STYLE_FCNTL
    636 #define DEF_MAILBOX_LOCK "fcntl, dotlock"
    637 #define USE_SYS_SELECT_H
    638 #define HAS_FSYNC
    639 #define HAS_DBM
    640 #define NATIVE_DB_TYPE	"dbm"
    641 #define ALIAS_DB_MAP	DEF_DB_TYPE ":/etc/aliases"
    642 #ifndef NO_NIS
    643 #define HAS_NIS
    644 #endif
    645 #define HAS_SA_LEN
    646 #define GETTIMEOFDAY(t)	gettimeofday(t,(struct timezone *) 0)
    647 #define RESOLVE_H_NEEDS_STDIO_H
    648 #define ROOT_PATH	"/bin:/usr/bin:/sbin:/usr/sbin:/usr/ucb"
    649 #define SOCKADDR_SIZE	size_t
    650 #define SOCKOPT_SIZE	size_t
    651 #define USE_STATVFS
    652 #define STATVFS_IN_SYS_STATVFS_H
    653 #define STRCASECMP_IN_STRINGS_H
    654 #if 0
    655 extern time_t time(time_t *);
    656 extern int seteuid(uid_t);
    657 extern int setegid(gid_t);
    658 extern int initgroups(const char *, int);
    659 
    660 #endif
    661 #define NATIVE_SENDMAIL_PATH "/usr/lib/sendmail"
    662 #define NATIVE_MAILQ_PATH "/usr/sbin/mailq"
    663 #define NATIVE_NEWALIAS_PATH "/usr/sbin/newaliases"
    664 #define NATIVE_COMMAND_DIR "/usr/sbin"
    665 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix"
    666 
    667 #define CANT_USE_SEND_RECV_MSG
    668 #endif
    669 
    670 #ifdef AIX3
    671 #define SUPPORTED
    672 #define UINT32_TYPE	unsigned int
    673 #define UINT16_TYPE	unsigned short
    674 #define MISSING_SETENV
    675 #define _PATH_BSHELL	"/bin/sh"
    676 #define _PATH_MAILDIR   "/var/spool/mail"	/* paths.h lies */
    677 #define _PATH_DEFPATH	"/usr/bin:/usr/ucb"
    678 #define _PATH_STDPATH	"/usr/bin:/usr/sbin:/usr/ucb"
    679 #define HAS_FCNTL_LOCK
    680 #define INTERNAL_LOCK	MYFLOCK_STYLE_FCNTL
    681 #define DEF_MAILBOX_LOCK "fcntl, dotlock"
    682 #define USE_SYS_SELECT_H
    683 #define HAS_FSYNC
    684 #define HAS_DBM
    685 #define NATIVE_DB_TYPE	"dbm"
    686 #define ALIAS_DB_MAP	DEF_DB_TYPE ":/etc/aliases"
    687 #ifndef NO_NIS
    688 #define HAS_NIS
    689 #endif
    690 #define HAS_SA_LEN
    691 #define GETTIMEOFDAY(t)	gettimeofday(t,(struct timezone *) 0)
    692 #define RESOLVE_H_NEEDS_STDIO_H
    693 #define ROOT_PATH	"/bin:/usr/bin:/sbin:/usr/sbin:/usr/ucb"
    694 #define SOCKADDR_SIZE	size_t
    695 #define SOCKOPT_SIZE	size_t
    696 #define USE_STATFS
    697 #define STATFS_IN_SYS_STATFS_H
    698 #define STRCASECMP_IN_STRINGS_H
    699 extern time_t time(time_t *);
    700 extern int seteuid(uid_t);
    701 extern int setegid(gid_t);
    702 extern int initgroups(const char *, int);
    703 
    704 #define NATIVE_SENDMAIL_PATH "/usr/lib/sendmail"
    705 
    706 #define CANT_USE_SEND_RECV_MSG
    707 #endif
    708 
    709  /*
    710   * IRIX, a mix of System V Releases.
    711   */
    712 #if defined(IRIX5) || defined(IRIX6)
    713 #define SUPPORTED
    714 #define UINT32_TYPE	unsigned int
    715 #define UINT16_TYPE	unsigned short
    716 #define MISSING_SETENV
    717 #define _PATH_MAILDIR	"/var/mail"
    718 #define _PATH_BSHELL	"/bin/sh"
    719 #define _PATH_DEFPATH	"/usr/bin:/usr/bsd"
    720 #define _PATH_STDPATH	"/usr/bin:/usr/sbin:/usr/bsd"
    721 #define HAS_FCNTL_LOCK
    722 #define INTERNAL_LOCK	MYFLOCK_STYLE_FCNTL
    723 #define DEF_MAILBOX_LOCK "fcntl, dotlock"
    724 #define HAS_FSYNC
    725 #define HAS_DBM
    726 #define NATIVE_DB_TYPE	"dbm"
    727 #define ALIAS_DB_MAP	DEF_DB_TYPE ":/etc/aliases"
    728 #ifndef NO_NIS
    729 #define HAS_NIS
    730 #endif
    731 #define USE_SYS_SOCKIO_H		/* XXX check */
    732 #define GETTIMEOFDAY(t)	gettimeofday(t)
    733 #define ROOT_PATH	"/bin:/usr/bin:/sbin:/usr/sbin:/usr/bsd"
    734 #define FIONREAD_IN_SYS_FILIO_H		/* XXX check */
    735 #define DBM_NO_TRAILING_NULL		/* XXX check */
    736 #define USE_STATVFS
    737 #define STATVFS_IN_SYS_STATVFS_H
    738 #define BROKEN_WRITE_SELECT_ON_NON_BLOCKING_PIPE
    739 #define CANT_USE_SEND_RECV_MSG
    740 #endif
    741 
    742 #if defined(IRIX5)
    743 #define MISSING_USLEEP
    744 #endif
    745 
    746 #if defined(IRIX6)
    747 #ifndef NO_IPV6
    748 #define HAS_IPV6
    749 #endif
    750 #define HAS_POSIX_REGEXP
    751 #define PIPES_CANT_FIONREAD
    752 #endif
    753 
    754  /*
    755   * GLIBC, mainly, but not exclusively Linux
    756   */
    757 #ifdef __GLIBC_PREREQ
    758 #define HAVE_GLIBC_API_VERSION_SUPPORT(maj, min) __GLIBC_PREREQ(maj, min)
    759 #else
    760 #define HAVE_GLIBC_API_VERSION_SUPPORT(maj, min) \
    761     (defined(__GLIBC__) && \
    762 	((__GLIBC__ << 16) + __GLIBC_MINOR__ >= ((maj) << 16) + (min)))
    763 #endif
    764 
    765  /*
    766   * LINUX.
    767   */
    768 #if defined(LINUX2) || defined(LINUX3) || defined(LINUX4) || defined(LINUX5) \
    769 	|| defined(LINUX6)
    770 #define SUPPORTED
    771 #define UINT32_TYPE	unsigned int
    772 #define UINT16_TYPE	unsigned short
    773 #include <features.h>
    774 #define USE_PATHS_H
    775 #define HAS_FLOCK_LOCK
    776 #define HAS_FCNTL_LOCK
    777 #define INTERNAL_LOCK	MYFLOCK_STYLE_FLOCK
    778 #define DEF_MAILBOX_LOCK "fcntl, dotlock"	/* RedHat >= 4.x */
    779 #define HAS_FSYNC
    780 #define HAS_DB
    781 #define NATIVE_DB_TYPE	"hash"
    782 #define ALIAS_DB_MAP	DEF_DB_TYPE ":/etc/aliases"
    783 #ifndef NO_NIS
    784 #define HAS_NIS
    785 #endif
    786 #define GETTIMEOFDAY(t)	gettimeofday(t,(struct timezone *) 0)
    787 #define ROOT_PATH	"/bin:/usr/bin:/sbin:/usr/sbin"
    788 #define FIONREAD_IN_TERMIOS_H
    789 #define USE_STATFS
    790 #define STATFS_IN_SYS_VFS_H
    791 #define PREPEND_PLUS_TO_OPTSTRING
    792 #define HAS_POSIX_REGEXP
    793 #define HAS_DLOPEN
    794 #define NATIVE_SENDMAIL_PATH "/usr/sbin/sendmail"
    795 #define NATIVE_MAILQ_PATH "/usr/bin/mailq"
    796 #define NATIVE_NEWALIAS_PATH "/usr/bin/newaliases"
    797 #define NATIVE_COMMAND_DIR "/usr/sbin"
    798 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix"
    799 #if HAVE_GLIBC_API_VERSION_SUPPORT(2, 1)
    800 #define SOCKADDR_SIZE	socklen_t
    801 #define SOCKOPT_SIZE	socklen_t
    802 #else
    803 #define NO_SNPRINTF
    804 #endif
    805 #ifndef NO_IPV6
    806 #define HAS_IPV6
    807 #if HAVE_GLIBC_API_VERSION_SUPPORT(2, 4)
    808 /* Really 2.3.3 or later, but there's no __GLIBC_MICRO version macro. */
    809 #define HAVE_GETIFADDRS
    810 #else
    811 #define HAS_PROCNET_IFINET6
    812 #define _PATH_PROCNET_IFINET6 "/proc/net/if_inet6"
    813 #endif
    814 #endif
    815 #include <linux/version.h>
    816 #if !defined(KERNEL_VERSION)
    817 #define KERNEL_VERSION(a,b,c) (LINUX_VERSION_CODE + 1)
    818 #endif
    819 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,2,0)) \
    820 	|| (defined(__GLIBC__) && __GLIBC__ < 2)
    821 #define CANT_USE_SEND_RECV_MSG
    822 #define DEF_SMTP_CACHE_DEMAND	0
    823 #else
    824 #define CANT_WRITE_BEFORE_SENDING_FD
    825 #endif
    826 #define PREFERRED_RAND_SOURCE	"dev:/dev/urandom"	/* introduced in 1.1 */
    827 #ifndef NO_EPOLL
    828 #define EVENTS_STYLE	EVENTS_STYLE_EPOLL	/* introduced in 2.5 */
    829 #endif
    830 #define USE_SYSV_POLL
    831 #ifndef NO_POSIX_GETPW_R
    832 #if (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 1) \
    833 	|| (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE >= 1) \
    834 	|| (defined(_BSD_SOURCE) && _BSD_SOURCE >= 1) \
    835 	|| (defined(_SVID_SOURCE) && _SVID_SOURCE >= 1) \
    836 	|| (defined(_POSIX_SOURCE) && _POSIX_SOURCE >= 1)
    837 #define HAVE_POSIX_GETPW_R
    838 #endif
    839 #endif
    840 #if HAVE_GLIBC_API_VERSION_SUPPORT(2, 34)
    841 #define HAS_CLOSEFROM
    842 #endif
    843 
    844 #endif
    845 
    846 #ifdef LINUX1
    847 #define SUPPORTED
    848 #define UINT32_TYPE	unsigned int
    849 #define UINT16_TYPE	unsigned short
    850 #define USE_PATHS_H
    851 #define HAS_FLOCK_LOCK
    852 #define HAS_FCNTL_LOCK
    853 #define INTERNAL_LOCK	MYFLOCK_STYLE_FLOCK
    854 #define DEF_MAILBOX_LOCK "dotlock"	/* verified RedHat 3.03 */
    855 #define HAS_FSYNC
    856 #define HAS_DB
    857 #define NATIVE_DB_TYPE	"hash"
    858 #define ALIAS_DB_MAP	DEF_DB_TYPE ":/etc/aliases"
    859 #ifndef NO_NIS
    860 #define HAS_NIS
    861 #endif
    862 #define GETTIMEOFDAY(t)	gettimeofday(t,(struct timezone *) 0)
    863 #define ROOT_PATH	"/bin:/usr/bin:/sbin:/usr/sbin"
    864 #define FIONREAD_IN_TERMIOS_H		/* maybe unnecessary */
    865 #define USE_STATFS
    866 #define STATFS_IN_SYS_VFS_H
    867 #define PREPEND_PLUS_TO_OPTSTRING
    868 #define HAS_POSIX_REGEXP
    869 #define NATIVE_SENDMAIL_PATH "/usr/sbin/sendmail"
    870 #define NATIVE_MAILQ_PATH "/usr/bin/mailq"
    871 #define NATIVE_NEWALIAS_PATH "/usr/bin/newaliases"
    872 #define NATIVE_COMMAND_DIR "/usr/sbin"
    873 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix"
    874 #define CANT_USE_SEND_RECV_MSG
    875 #define DEF_SMTP_CACHE_DEMAND	0
    876 #endif
    877 
    878  /*
    879   * GNU.
    880   */
    881 #ifdef GNU0
    882 #define SUPPORTED
    883 #include <features.h>
    884 #define USE_PATHS_H
    885 #define HAS_FCNTL_LOCK
    886 #define INTERNAL_LOCK	MYFLOCK_STYLE_FCNTL
    887 #define DEF_MAILBOX_LOCK "fcntl, dotlock"	/* RedHat >= 4.x */
    888 #define HAS_FSYNC
    889 #define HAS_DB
    890 #define NATIVE_DB_TYPE	"hash"
    891 #define ALIAS_DB_MAP	DEF_DB_TYPE ":/etc/aliases"
    892 #ifndef NO_NIS
    893 #define HAS_NIS
    894 #endif
    895 #define GETTIMEOFDAY(t)	gettimeofday(t,(struct timezone *) 0)
    896 #define ROOT_PATH	"/bin:/usr/bin:/sbin:/usr/sbin"
    897 #define FIONREAD_IN_TERMIOS_H
    898 #define USE_STATFS
    899 #define STATFS_IN_SYS_VFS_H
    900 #define UNIX_DOMAIN_CONNECT_BLOCKS_FOR_ACCEPT
    901 #define PREPEND_PLUS_TO_OPTSTRING
    902 #define HAS_POSIX_REGEXP
    903 #define HAS_DLOPEN
    904 #define NATIVE_SENDMAIL_PATH "/usr/sbin/sendmail"
    905 #define NATIVE_MAILQ_PATH "/usr/bin/mailq"
    906 #define NATIVE_NEWALIAS_PATH "/usr/bin/newaliases"
    907 #define NATIVE_COMMAND_DIR "/usr/sbin"
    908 #ifdef DEBIAN
    909 #define NATIVE_DAEMON_DIR	"/usr/lib/postfix"
    910 #ifndef DEF_MANPAGE_DIR
    911 #define DEF_MANPAGE_DIR		"/usr/share/man"
    912 #endif
    913 #ifndef DEF_SAMPLE_DIR
    914 #define DEF_SAMPLE_DIR		"/usr/share/doc/postfix/examples"
    915 #endif
    916 #ifndef DEF_README_DIR
    917 #define DEF_README_DIR		"/usr/share/doc/postfix"
    918 #endif
    919 #else
    920 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix"
    921 #endif
    922 #define SOCKADDR_SIZE	socklen_t
    923 #define SOCKOPT_SIZE	socklen_t
    924 #ifdef __FreeBSD_kernel__
    925 #define HAS_DUPLEX_PIPE
    926 #define HAS_ISSETUGID
    927 #endif
    928 #ifndef NO_IPV6
    929 #define HAS_IPV6
    930 #ifdef __FreeBSD_kernel__
    931 #define HAVE_GETIFADDRS
    932 #else
    933 #define HAS_PROCNET_IFINET6
    934 #define _PATH_PROCNET_IFINET6 "/proc/net/if_inet6"
    935 #endif
    936 #endif
    937 #define CANT_USE_SEND_RECV_MSG
    938 #define DEF_SMTP_CACHE_DEMAND	0
    939 #define PREFERRED_RAND_SOURCE	"dev:/dev/urandom"
    940 #endif
    941 
    942  /*
    943   * HPUX11 was copied from HPUX10, but can perhaps be trimmed down a bit.
    944   */
    945 #ifdef HPUX11
    946 #define SUPPORTED
    947 #define USE_SIG_RETURN
    948 #define UINT32_TYPE	unsigned int
    949 #define UINT16_TYPE	unsigned short
    950 #define HAS_DBM
    951 #define HAS_FCNTL_LOCK
    952 #define INTERNAL_LOCK	MYFLOCK_STYLE_FCNTL
    953 #define DEF_MAILBOX_LOCK "fcntl, dotlock"
    954 #define HAS_FSYNC
    955 #define NATIVE_DB_TYPE	"dbm"
    956 #define ALIAS_DB_MAP	DEF_DB_TYPE ":/etc/mail/aliases"
    957 #define ROOT_PATH	"/usr/bin:/sbin:/usr/sbin"
    958 #define MISSING_SETENV
    959 #ifndef NO_NIS
    960 #define HAS_NIS
    961 #endif
    962 #define GETTIMEOFDAY(t)	gettimeofday(t,(struct timezone *) 0)
    963 #define _PATH_BSHELL	"/bin/sh"
    964 #define _PATH_MAILDIR	"/var/mail"
    965 #define _PATH_DEFPATH	"/usr/bin"
    966 #define _PATH_STDPATH	"/usr/bin:/sbin:/usr/sbin"
    967 #define MISSING_SETEUID
    968 #define HAVE_SETRESUID
    969 #define MISSING_SETEGID
    970 #define HAVE_SETRESGID
    971 extern int h_errno;			/* <netdb.h> imports too much stuff */
    972 
    973 #define USE_STATFS
    974 #define STATFS_IN_SYS_VFS_H
    975 #define HAS_POSIX_REGEXP
    976 #define HAS_DLOPEN
    977 #define NATIVE_SENDMAIL_PATH "/usr/sbin/sendmail"
    978 #define NATIVE_MAILQ_PATH "/usr/bin/mailq"
    979 #define NATIVE_NEWALIAS_PATH "/usr/bin/newaliases"
    980 #define NATIVE_COMMAND_DIR "/usr/sbin"
    981 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix"
    982 #endif
    983 
    984 #ifdef HPUX10
    985 #define SUPPORTED
    986 #define USE_SIG_RETURN
    987 #define UINT32_TYPE	unsigned int
    988 #define UINT16_TYPE	unsigned short
    989 #define HAS_DBM
    990 #define HAS_FCNTL_LOCK
    991 #define INTERNAL_LOCK	MYFLOCK_STYLE_FCNTL
    992 #define DEF_MAILBOX_LOCK "fcntl, dotlock"
    993 #define HAS_FSYNC
    994 #define NATIVE_DB_TYPE	"dbm"
    995 #define ALIAS_DB_MAP	DEF_DB_TYPE ":/etc/mail/aliases"
    996 #define ROOT_PATH	"/usr/bin:/sbin:/usr/sbin"
    997 #define MISSING_SETENV
    998 #ifndef NO_NIS
    999 #define HAS_NIS
   1000 #endif
   1001 #define GETTIMEOFDAY(t)	gettimeofday(t,(struct timezone *) 0)
   1002 #define _PATH_BSHELL	"/bin/sh"
   1003 #define _PATH_MAILDIR	"/var/mail"
   1004 #define _PATH_DEFPATH	"/usr/bin"
   1005 #define _PATH_STDPATH	"/usr/bin:/sbin:/usr/sbin"
   1006 #define MISSING_SETEUID
   1007 #define HAVE_SETRESUID
   1008 #define MISSING_SETEGID
   1009 #define HAVE_SETRESGID
   1010 extern int h_errno;			/* <netdb.h> imports too much stuff */
   1011 
   1012 #define USE_STATFS
   1013 #define STATFS_IN_SYS_VFS_H
   1014 #define HAS_POSIX_REGEXP
   1015 #define HAS_SHL_LOAD
   1016 #define NATIVE_SENDMAIL_PATH "/usr/sbin/sendmail"
   1017 #define NATIVE_MAILQ_PATH "/usr/bin/mailq"
   1018 #define NATIVE_NEWALIAS_PATH "/usr/bin/newaliases"
   1019 #define NATIVE_COMMAND_DIR "/usr/sbin"
   1020 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix"
   1021 #endif
   1022 
   1023 #ifdef HPUX9
   1024 #define SUPPORTED
   1025 #define USE_SIG_RETURN
   1026 #define UINT32_TYPE	unsigned int
   1027 #define UINT16_TYPE	unsigned short
   1028 #define HAS_DBM
   1029 #define HAS_FCNTL_LOCK
   1030 #define INTERNAL_LOCK	MYFLOCK_STYLE_FCNTL
   1031 #define DEF_MAILBOX_LOCK "fcntl, dotlock"
   1032 #define HAS_FSYNC
   1033 #ifndef NO_NIS
   1034 #define HAS_NIS
   1035 #endif
   1036 #define MISSING_SETENV
   1037 #define MISSING_RLIMIT_FSIZE
   1038 #define GETTIMEOFDAY(t)	gettimeofday(t,(struct timezone *) 0)
   1039 #define NATIVE_DB_TYPE	"dbm"
   1040 #define ALIAS_DB_MAP	DEF_DB_TYPE ":/usr/lib/aliases"
   1041 #define ROOT_PATH	"/bin:/usr/bin:/etc"
   1042 #define _PATH_BSHELL	"/bin/sh"
   1043 #define _PATH_MAILDIR	"/usr/mail"
   1044 #define _PATH_DEFPATH	"/bin:/usr/bin"
   1045 #define _PATH_STDPATH	"/bin:/usr/bin:/etc"
   1046 #define MISSING_SETEUID
   1047 #define HAVE_SETRESUID
   1048 #define MISSING_SETEGID
   1049 #define HAVE_SETRESGID
   1050 extern int h_errno;
   1051 
   1052 #define USE_ULIMIT			/* no setrlimit() */
   1053 #define USE_STATFS
   1054 #define STATFS_IN_SYS_VFS_H
   1055 #define HAS_POSIX_REGEXP
   1056 #define HAS_SHL_LOAD
   1057 #define NATIVE_SENDMAIL_PATH "/usr/bin/sendmail"
   1058 #define NATIVE_MAILQ_PATH "/usr/bin/mailq"
   1059 #define NATIVE_NEWALIAS_PATH "/usr/bin/newaliases"
   1060 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix"
   1061 #endif
   1062 
   1063  /*
   1064   * NEXTSTEP3, without -lposix, because its naming service is broken.
   1065   */
   1066 #ifdef NEXTSTEP3
   1067 #define SUPPORTED
   1068 #define UINT32_TYPE	unsigned int
   1069 #define UINT16_TYPE	unsigned short
   1070 #define HAS_DBM
   1071 #define HAS_FLOCK_LOCK
   1072 #define INTERNAL_LOCK	MYFLOCK_STYLE_FLOCK
   1073 #define DEF_MAILBOX_LOCK "flock, dotlock"
   1074 #define USE_STATFS
   1075 #define HAVE_SYS_DIR_H
   1076 #define STATFS_IN_SYS_VFS_H
   1077 #define HAS_FSYNC
   1078 #ifndef NO_NIS
   1079 #define HAS_NIS
   1080 #endif
   1081 #define HAS_NETINFO
   1082 #define MISSING_SETENV_PUTENV
   1083 #define MISSING_MKFIFO
   1084 #define MISSING_SIGSET_T
   1085 #define MISSING_SIGACTION
   1086 #define MISSING_STD_FILENOS
   1087 #define MISSING_SETSID
   1088 #define MISSING_WAITPID
   1089 #define MISSING_UTIMBUF
   1090 #define HAS_WAIT4
   1091 #define WAIT_STATUS_T union wait
   1092 #define NORMAL_EXIT_STATUS(x) (WIFEXITED(x) && !WEXITSTATUS (x))
   1093 #define GETTIMEOFDAY(t)	gettimeofday(t,(struct timezone *) 0)
   1094 #define _PATH_MAILDIR	"/usr/spool/mail"
   1095 #define _PATH_BSHELL	"/bin/sh"
   1096 #define _PATH_DEFPATH	"/bin:/usr/bin:/usr/ucb"
   1097 #define _PATH_STDPATH	"/bin:/usr/bin:/usr/ucb"
   1098 #define ROOT_PATH	"/bin:/usr/bin:/usr/etc:/usr/ucb"
   1099 #define NATIVE_DB_TYPE	"dbm"
   1100 #define ALIAS_DB_MAP	"netinfo:/aliases"
   1101 #include <libc.h>
   1102 #define MISSING_POSIX_S_IS
   1103 #define MISSING_POSIX_S_MODES
   1104 /* It's amazing what is all missing...	*/
   1105 #define isascii(c)	((unsigned)(c)<=0177)
   1106 extern int opterr;
   1107 typedef unsigned short mode_t;
   1108 
   1109 #define MISSING_PID_T
   1110 #define MISSING_STRFTIME_E
   1111 #define FD_CLOEXEC	1
   1112 #define O_NONBLOCK	O_NDELAY
   1113 #define WEXITSTATUS(x)	((x).w_retcode)
   1114 #define WTERMSIG(x)	((x).w_termsig)
   1115 #endif
   1116 
   1117  /*
   1118   * OPENSTEP does not have posix (some fix...)
   1119   */
   1120 #ifdef OPENSTEP4
   1121 #define SUPPORTED
   1122 #define UINT32_TYPE	unsigned int
   1123 #define UINT16_TYPE	unsigned short
   1124 #define HAS_DBM
   1125 #define HAS_FLOCK_LOCK
   1126 #define INTERNAL_LOCK	MYFLOCK_STYLE_FLOCK
   1127 #define DEF_MAILBOX_LOCK "flock, dotlock"
   1128 #define USE_STATFS
   1129 #define HAVE_SYS_DIR_H
   1130 #define STATFS_IN_SYS_VFS_H
   1131 #define HAS_FSYNC
   1132 #ifndef NO_NIS
   1133 #define HAS_NIS
   1134 #endif
   1135 #define HAS_NETINFO
   1136 #define MISSING_SETENV_PUTENV
   1137 #define MISSING_MKFIFO
   1138 #define MISSING_SIGSET_T
   1139 #define MISSING_SIGACTION
   1140 #define MISSING_STD_FILENOS
   1141 #define MISSING_SETSID
   1142 #define MISSING_WAITPID
   1143 #define MISSING_UTIMBUF
   1144 #define HAS_WAIT4
   1145 #define WAIT_STATUS_T union wait
   1146 #define NORMAL_EXIT_STATUS(x) (WIFEXITED(x) && !WEXITSTATUS (x))
   1147 #define GETTIMEOFDAY(t)	gettimeofday(t,(struct timezone *) 0)
   1148 #define _PATH_MAILDIR	"/usr/spool/mail"
   1149 #define _PATH_BSHELL	"/bin/sh"
   1150 #define _PATH_DEFPATH	"/bin:/usr/bin:/usr/ucb"
   1151 #define _PATH_STDPATH	"/bin:/usr/bin:/usr/ucb"
   1152 #define ROOT_PATH	"/bin:/usr/bin:/usr/etc:/usr/ucb"
   1153 #define NATIVE_DB_TYPE	"dbm"
   1154 #define ALIAS_DB_MAP	"netinfo:/aliases"
   1155 #include <libc.h>
   1156 #define MISSING_POSIX_S_IS
   1157 #define MISSING_POSIX_S_MODES
   1158 /* It's amazing what is all missing...	*/
   1159 #define isascii(c)	((unsigned)(c)<=0177)
   1160 extern int opterr;
   1161 typedef unsigned short mode_t;
   1162 
   1163 #define MISSING_PID_T
   1164 #define MISSING_STRFTIME_E
   1165 #define FD_CLOEXEC	1
   1166 #define O_NONBLOCK	O_NDELAY
   1167 #define WEXITSTATUS(x)	((x).w_retcode)
   1168 #define WTERMSIG(x)	((x).w_termsig)
   1169 #endif
   1170 
   1171 #ifdef ReliantUnix543
   1172 #define SUPPORTED
   1173 #define UINT32_TYPE	unsigned int
   1174 #define UINT16_TYPE	unsigned short
   1175 #define MISSING_SETENV
   1176 #define _PATH_DEFPATH	"/usr/bin:/usr/ucb"
   1177 #define _PATH_BSHELL	"/bin/sh"
   1178 #define _PATH_MAILDIR	"/var/spool/mail"
   1179 #define HAS_FCNTL_LOCK
   1180 #define INTERNAL_LOCK	MYFLOCK_STYLE_FCNTL
   1181 #define DEF_MAILBOX_LOCK "fcntl, dotlock"
   1182 #define HAS_FSYNC
   1183 #define FIONREAD_IN_SYS_FILIO_H
   1184 #define USE_SYS_SOCKIO_H
   1185 #define HAS_DBM
   1186 #define NATIVE_DB_TYPE	"dbm"
   1187 #define ALIAS_DB_MAP	DEF_DB_TYPE ":/var/adm/sendmail/aliases"
   1188 extern int optind;			/* XXX use <getopt.h> */
   1189 extern char *optarg;			/* XXX use <getopt.h> */
   1190 extern int opterr;			/* XXX use <getopt.h> */
   1191 
   1192 #ifndef NO_NIS
   1193 #define HAS_NIS
   1194 #endif
   1195 #define GETTIMEOFDAY(t) gettimeofday(t)
   1196 #define ROOT_PATH	"/bin:/usr/bin:/sbin:/usr/sbin:/usr/ucb"
   1197 #define USE_STATVFS
   1198 #define STATVFS_IN_SYS_STATVFS_H
   1199 #define MISSING_USLEEP
   1200 #endif
   1201 
   1202 #ifdef DCOSX1				/* Siemens Pyramid */
   1203 #define SUPPORTED
   1204 #define UINT32_TYPE	unsigned int
   1205 #define UINT16_TYPE	unsigned short
   1206 #define _PATH_MAILDIR	"/var/mail"
   1207 #define _PATH_BSHELL	"/bin/sh"
   1208 #define _PATH_DEFPATH	"/usr/bin:/usr/ucb"
   1209 #define _PATH_STDPATH	"/usr/bin:/usr/sbin:/usr/ucb"
   1210 #define MISSING_SETENV
   1211 #define HAS_FCNTL_LOCK
   1212 #define INTERNAL_LOCK	MYFLOCK_STYLE_FCNTL
   1213 #define DEF_MAILBOX_LOCK "fcntl, dotlock"
   1214 #define HAS_FSYNC
   1215 #define NATIVE_DB_TYPE	"hash"
   1216 #define ALIAS_DB_MAP	DEF_DB_TYPE ":/etc/aliases"
   1217 /* Uncomment the following line if you have NIS package installed */
   1218 /* #define HAS_NIS */
   1219 #define USE_SYS_SOCKIO_H
   1220 #define GETTIMEOFDAY(t) gettimeofday(t,NULL)
   1221 #define ROOT_PATH	"/bin:/usr/bin:/sbin:/usr/sbin:/usr/ucb"
   1222 #define FIONREAD_IN_SYS_FILIO_H
   1223 #define DBM_NO_TRAILING_NULL
   1224 #define USE_STATVFS
   1225 #define STATVFS_IN_SYS_STATVFS_H
   1226 #ifndef S_ISSOCK
   1227 #define S_ISSOCK(mode)	((mode&0xF000) == 0xC000)
   1228 #endif
   1229 #endif
   1230 
   1231 #ifdef SCO5
   1232 #define SUPPORTED
   1233 #include <sys/socket.h>
   1234 extern int h_errno;
   1235 
   1236 #define UINT32_TYPE	unsigned int
   1237 #define UINT16_TYPE	unsigned short
   1238 #define _PATH_MAILDIR	"/usr/spool/mail"
   1239 #define _PATH_BSHELL	"/bin/sh"
   1240 #define _PATH_DEFPATH	"/bin:/usr/bin"
   1241 #define USE_PATHS_H
   1242 #define HAS_FCNTL_LOCK
   1243 #define INTERNAL_LOCK	MYFLOCK_STYLE_FCNTL
   1244 #define DEF_MAILBOX_LOCK "fcntl, dotlock"
   1245 #define HAS_FSYNC
   1246 #define HAS_DBM
   1247 #define NATIVE_DB_TYPE	"dbm"
   1248 #define ALIAS_DB_MAP	DEF_DB_TYPE ":/etc/mail/aliases"
   1249 #define DBM_NO_TRAILING_NULL
   1250 #ifndef NO_NIS
   1251 #define HAS_NIS
   1252 #endif
   1253 #define GETTIMEOFDAY(t)	gettimeofday(t,(struct timezone *) 0)
   1254 #define ROOT_PATH	"/bin:/etc:/usr/bin:/tcb/bin"
   1255 #define USE_STATVFS
   1256 #define STATVFS_IN_SYS_STATVFS_H
   1257 #define MISSING_SETENV
   1258 #define STRCASECMP_IN_STRINGS_H
   1259 /* SCO5 misses just S_ISSOCK, the others are there
   1260  * Use C_ISSOCK definition from cpio.h.
   1261  */
   1262 #include <cpio.h>
   1263 #define S_ISSOCK(mode)	(((mode) & (S_IFMT)) == (C_ISSOCK))
   1264 #define CANT_USE_SEND_RECV_MSG
   1265 #define DEF_SMTP_CACHE_DEMAND	0
   1266 #endif
   1267 
   1268  /*
   1269   * We're not going to try to guess like configure does.
   1270   */
   1271 #ifndef SUPPORTED
   1272 #error "unsupported platform"
   1273 #endif
   1274 
   1275  /*
   1276   * Allow command line flags to override native settings
   1277   */
   1278 #ifndef DEF_COMMAND_DIR
   1279 #ifdef NATIVE_COMMAND_DIR
   1280 #define DEF_COMMAND_DIR NATIVE_COMMAND_DIR
   1281 #endif
   1282 #endif
   1283 
   1284 #ifndef DEF_DAEMON_DIR
   1285 #ifdef NATIVE_DAEMON_DIR
   1286 #define DEF_DAEMON_DIR NATIVE_DAEMON_DIR
   1287 #endif
   1288 #endif
   1289 
   1290 #ifndef DEF_SENDMAIL_PATH
   1291 #ifdef NATIVE_SENDMAIL_PATH
   1292 #define DEF_SENDMAIL_PATH NATIVE_SENDMAIL_PATH
   1293 #endif
   1294 #endif
   1295 
   1296 #ifndef DEF_MAILQ_PATH
   1297 #ifdef NATIVE_MAILQ_PATH
   1298 #define DEF_MAILQ_PATH NATIVE_MAILQ_PATH
   1299 #endif
   1300 #endif
   1301 
   1302 #ifndef DEF_NEWALIAS_PATH
   1303 #ifdef NATIVE_NEWALIAS_PATH
   1304 #define DEF_NEWALIAS_PATH NATIVE_NEWALIAS_PATH
   1305 #endif
   1306 #endif
   1307 
   1308 #ifndef DEF_DB_TYPE
   1309 #define DEF_DB_TYPE	NATIVE_DB_TYPE
   1310 #endif
   1311 
   1312 #define CAST_ANY_PTR_TO_INT(cptr)	((int) (long) (cptr))
   1313 #define CAST_INT_TO_VOID_PTR(ival)	((void *) (long) (ival))
   1314 
   1315 #ifdef DUP2_DUPS_CLOSE_ON_EXEC
   1316 /* dup2_pass_on_exec() can be found in util/sys_compat.c */
   1317 extern int dup2_pass_on_exec(int oldd, int newd);
   1318 
   1319 #define DUP2 dup2_pass_on_exec
   1320 #else
   1321 #define DUP2 dup2
   1322 #endif
   1323 
   1324 #ifdef PREPEND_PLUS_TO_OPTSTRING
   1325 #define GETOPT(argc, argv, str)	getopt((argc), (argv), "+" str)
   1326 #else
   1327 #define GETOPT(argc, argv, str) getopt((argc), (argv), (str))
   1328 #endif
   1329 #define OPTIND  (optind > 0 ? optind : 1)
   1330 
   1331 #if !defined(__UCLIBC__) && !defined(NO_RES_SEND)
   1332 #define HAVE_RES_SEND
   1333 #else
   1334 #undef HAVE_RES_SEND
   1335 #endif
   1336 
   1337  /*
   1338   * The RFC 5322 Date and Time Specification recommends single space between
   1339   * date-time tokens. To avoid breaking change, format all numerical days as
   1340   * two-digit days (i.e. days 1-9 now have a leading zero instead of space).
   1341   */
   1342 #define TWO_DIGIT_DAY_IN_DATE_TIME
   1343 
   1344  /*
   1345   * Check for required but missing definitions.
   1346   */
   1347 #if !defined(HAS_FCNTL_LOCK) && !defined(HAS_FLOCK_LOCK)
   1348 #error "define HAS_FCNTL_LOCK and/or HAS_FLOCK_LOCK"
   1349 #endif
   1350 
   1351 #if !defined(DEF_MAILBOX_LOCK)
   1352 #error "define DEF_MAILBOX_LOCK"
   1353 #endif
   1354 
   1355 #if !defined(INTERNAL_LOCK)
   1356 #error "define INTERNAL_LOCK"
   1357 #endif
   1358 
   1359 #if defined(USE_STATFS) && defined(USE_STATVFS)
   1360 #error "define USE_STATFS or USE_STATVFS, not both"
   1361 #endif
   1362 
   1363 #if !defined(USE_STATFS) && !defined(USE_STATVFS)
   1364 #error "define USE_STATFS or USE_STATVFS"
   1365 #endif
   1366 
   1367  /*
   1368   * Defaults for systems that pre-date IPv6 support.
   1369   */
   1370 #ifndef __NetBSD__
   1371 #ifndef HAS_IPV6
   1372 #include <sys/socket.h>
   1373 #define EMULATE_IPV4_ADDRINFO
   1374 #define MISSING_INET_PTON
   1375 #define MISSING_INET_NTOP
   1376 extern const char *inet_ntop(int, const void *, char *, SOCKADDR_SIZE);
   1377 extern int inet_pton(int, const char *, void *);
   1378 
   1379 #endif
   1380 #endif
   1381 
   1382  /*
   1383   * Workaround: after a watchdog alarm signal, wake up from select/poll/etc.
   1384   * by writing to a pipe. Solaris needs this, and HP-UX apparently, too. The
   1385   * run-time cost is negligible so we just turn it on for all systems. As a
   1386   * side benefit, making this code system-independent will simplify the
   1387   * detection of bit-rot problems.
   1388   */
   1389 #ifndef NO_WATCHDOG_PIPE
   1390 #define USE_WATCHDOG_PIPE
   1391 #endif
   1392 
   1393  /*
   1394   * If we don't have defined a preferred random device above, but the system
   1395   * has /dev/urandom, then we use that.
   1396   */
   1397 #if !defined(PREFERRED_RAND_SOURCE) && defined(HAS_DEV_URANDOM)
   1398 #define PREFERRED_RAND_SOURCE	"dev:/dev/urandom"
   1399 #endif
   1400 
   1401  /*
   1402   * Defaults for systems without kqueue, /dev/poll or epoll support.
   1403   * master/multi-server.c and *qmgr/qmgr_transport.c depend on this.
   1404   */
   1405 #if !defined(EVENTS_STYLE)
   1406 #define EVENTS_STYLE	EVENTS_STYLE_SELECT
   1407 #endif
   1408 
   1409 #define EVENTS_STYLE_SELECT	1	/* Traditional BSD select */
   1410 #define EVENTS_STYLE_KQUEUE	2	/* FreeBSD kqueue */
   1411 #define EVENTS_STYLE_DEVPOLL	3	/* Solaris /dev/poll */
   1412 #define EVENTS_STYLE_EPOLL	4	/* Linux epoll */
   1413 
   1414  /*
   1415   * We use poll() for read/write time limit enforcement on modern systems. We
   1416   * use select() on historical systems without poll() support. And on systems
   1417   * where poll() is not implemented for some file handle types, we try to use
   1418   * select() as a fall-back solution (MacOS X needs this).
   1419   */
   1420 #if !defined(USE_SYSV_POLL) && !defined(USE_SYSV_POLL_THEN_SELECT)
   1421 #define USE_BSD_SELECT
   1422 #endif
   1423 
   1424  /*
   1425   * The Postfix 2.9 post-install workaround assumes that the inet_protocols
   1426   * default value is "ipv4" when Postfix is compiled without IPv6 support.
   1427   */
   1428 #ifndef DEF_INET_PROTOCOLS
   1429 #ifdef HAS_IPV6
   1430 #define DEF_INET_PROTOCOLS	INET_PROTO_NAME_ALL
   1431 #else
   1432 #define DEF_INET_PROTOCOLS	INET_PROTO_NAME_IPV4
   1433 #endif
   1434 #endif
   1435 
   1436  /*
   1437   * Defaults for systems that pre-date POSIX socklen_t.
   1438   */
   1439 #ifndef SOCKADDR_SIZE
   1440 #define SOCKADDR_SIZE	int
   1441 #endif
   1442 
   1443 #ifndef SOCKOPT_SIZE
   1444 #define SOCKOPT_SIZE	int
   1445 #endif
   1446 
   1447  /*
   1448   * Defaults for normal systems.
   1449   */
   1450 #ifndef LOCAL_LISTEN
   1451 #define LOCAL_LISTEN	unix_listen
   1452 #define LOCAL_ACCEPT	unix_accept
   1453 #define LOCAL_CONNECT	unix_connect
   1454 #define LOCAL_TRIGGER	unix_trigger
   1455 #define LOCAL_SEND_FD	unix_send_fd
   1456 #define LOCAL_RECV_FD	unix_recv_fd
   1457 #endif
   1458 
   1459 #if !defined (HAVE_SYS_NDIR_H) && !defined (HAVE_SYS_DIR_H) \
   1460 	&& !defined (HAVE_NDIR_H)
   1461 #define HAVE_DIRENT_H
   1462 #endif
   1463 
   1464 #ifndef WAIT_STATUS_T
   1465 typedef int WAIT_STATUS_T;
   1466 
   1467 #define NORMAL_EXIT_STATUS(status)	((status) == 0)
   1468 #endif
   1469 
   1470 #ifdef NO_POSIX_GETPW_R
   1471 #undef HAVE_POSIX_GETPW_R
   1472 #endif
   1473 
   1474 #ifdef NO_CLOSEFROM
   1475 #undef HAS_CLOSEFROM
   1476 #endif
   1477 
   1478 #ifdef NO_DB
   1479 #undef HAS_DB
   1480 #endif
   1481 
   1482 #ifndef OCTAL_TO_UNSIGNED
   1483 #define OCTAL_TO_UNSIGNED(res, str)	((res) = strtoul((str), (char **) 0, 8))
   1484 #endif
   1485 
   1486  /*
   1487   * Avoid useless type mis-matches when using sizeof in an integer context.
   1488   */
   1489 #define INT_SIZEOF(foo)	((int) sizeof(foo))
   1490 
   1491  /*
   1492   * Turn on the compatibility stuff.
   1493   */
   1494 #ifdef MISSING_UTIMBUF
   1495 struct utimbuf {
   1496     time_t  actime;
   1497     time_t  modtime;
   1498 };
   1499 
   1500 #endif
   1501 
   1502 #ifdef MISSING_STRERROR
   1503 extern const char *strerror(int);
   1504 
   1505 #endif
   1506 
   1507 #if defined (MISSING_SETENV) || defined (MISSING_SETENV_PUTENV)
   1508 extern int setenv(const char *, const char *, int);
   1509 
   1510 #endif
   1511 
   1512 #ifdef MISSING_SETEUID
   1513 extern int seteuid(uid_t euid);
   1514 
   1515 #endif
   1516 
   1517 #ifdef MISSING_SETEGID
   1518 extern int setegid(gid_t egid);
   1519 
   1520 #endif
   1521 
   1522 #ifdef MISSING_MKFIFO
   1523 extern int mkfifo(char *, int);
   1524 
   1525 #endif
   1526 
   1527 #ifdef MISSING_WAITPID
   1528 extern int waitpid(int, WAIT_STATUS_T *status, int options);
   1529 
   1530 #endif
   1531 
   1532 #ifdef MISSING_SETSID
   1533 extern int setsid(void);
   1534 
   1535 #endif
   1536 
   1537 #ifndef HAS_CLOSEFROM
   1538 extern void closefrom(int);
   1539 
   1540 #endif
   1541 
   1542 #ifdef MISSING_STD_FILENOS
   1543 #define STDIN_FILENO	0
   1544 #define STDOUT_FILENO	1
   1545 #define STDERR_FILENO	2
   1546 #endif
   1547 
   1548 #ifdef MISSING_PID_T
   1549 typedef int pid_t;
   1550 
   1551 #endif
   1552 
   1553 #ifdef MISSING_POSIX_S_IS
   1554 #define S_ISBLK(mode)	(((mode) & (_S_IFMT)) == (_S_IFBLK))
   1555 #define S_ISCHR(mode)	(((mode) & (_S_IFMT)) == (_S_IFCHR))
   1556 #define S_ISDIR(mode)	(((mode) & (_S_IFMT)) == (_S_IFDIR))
   1557 #define S_ISSOCK(mode)	(((mode) & (_S_IFMT)) == (_S_IFSOCK))
   1558 #define S_ISFIFO(mode)	(((mode) & (_S_IFMT)) == (_S_IFIFO))
   1559 #define S_ISREG(mode)	(((mode) & (_S_IFMT)) == (_S_IFREG))
   1560 #define S_ISLNK(mode)	(((mode) & (_S_IFMT)) == (_S_IFLNK))
   1561 #endif
   1562 
   1563 #ifdef MISSING_POSIX_S_MODES
   1564 #define S_IRUSR	_S_IRUSR
   1565 #define S_IRGRP	0000040
   1566 #define S_IROTH	0000004
   1567 #define S_IWUSR	_S_IWUSR
   1568 #define S_IWGRP	0000020
   1569 #define S_IWOTH	0000002
   1570 #define S_IXUSR	_S_IXUSR
   1571 #define S_IXGRP	0000010
   1572 #define S_IXOTH	0000001
   1573 #define	S_IRWXU	(S_IRUSR | S_IWUSR | S_IXUSR)
   1574 #endif
   1575 
   1576  /*
   1577   * Memory alignment of memory allocator results. By default we align for
   1578   * doubles.
   1579   */
   1580 #ifndef ALIGN_TYPE
   1581 #if defined(__hpux) && defined(__ia64)
   1582 #define ALIGN_TYPE	__float80
   1583 #elif defined(__ia64__)
   1584 #define ALIGN_TYPE	long double
   1585 #else
   1586 #define ALIGN_TYPE	double
   1587 #endif
   1588 #endif
   1589 
   1590  /*
   1591   * Clang-style attribute tests.
   1592   *
   1593   * XXX Without the unconditional test below, gcc 4.6 will barf on ``elif
   1594   * defined(__clang__) && __has_attribute(__whatever__)'' with error message
   1595   * ``missing binary operator before token "("''.
   1596   */
   1597 #ifndef __has_attribute
   1598 #define __has_attribute(x) 0
   1599 #endif					/* __has_attribute */
   1600 
   1601  /*
   1602   * Need to specify what functions never return, so that the compiler can
   1603   * warn for missing initializations and other trouble. However, OPENSTEP4
   1604   * gcc 2.7.x cannot handle this so we define this only if NORETURN isn't
   1605   * already defined above.
   1606   *
   1607   * Data point: gcc 2.7.2 has __attribute__ (Wietse Venema) but gcc 2.6.3 does
   1608   * not (Clive Jones). So we'll set the threshold at 2.7.
   1609   */
   1610 #ifndef NORETURN
   1611 #if (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) || __GNUC__ >= 3
   1612 #define NORETURN	void __attribute__((__noreturn__))
   1613 #elif defined(__clang__) && __has_attribute(__noreturn__)
   1614 #define NORETURN	void __attribute__((__noreturn__))
   1615 #else
   1616 #define NORETURN	void
   1617 #endif
   1618 #endif					/* NORETURN */
   1619 
   1620  /*
   1621   * Turn on format string argument checking. This is more accurate than
   1622   * printfck, but it misses #ifdef-ed code. XXX I am just guessing at what
   1623   * gcc versions support this. In order to turn this off for some platforms,
   1624   * specify #define PRINTFLIKE and #define SCANFLIKE in the system-dependent
   1625   * sections above.
   1626   */
   1627 #ifndef PRINTFLIKE
   1628 #if (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) || __GNUC__ >= 3
   1629 #define PRINTFLIKE(x,y) __attribute__ ((format (printf, (x), (y))))
   1630 #elif defined(__clang__) && __has_attribute(__format__)
   1631 #define PRINTFLIKE(x,y)	__attribute__ ((__format__ (__printf__, (x), (y))))
   1632 #else
   1633 #define PRINTFLIKE(x,y)
   1634 #endif
   1635 #endif					/* PRINTFLIKE */
   1636 
   1637 #ifndef SCANFLIKE
   1638 #if (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) || __GNUC__ >= 3
   1639 #define SCANFLIKE(x,y) __attribute__ ((format (scanf, (x), (y))))
   1640 #elif defined(__clang__) && __has_attribute(__format__)
   1641 #define SCANFLIKE(x,y) __attribute__ ((__format__ (__scanf__, (x), (y))))
   1642 #else
   1643 #define SCANFLIKE(x,y)
   1644 #endif
   1645 #endif					/* SCANFLIKE */
   1646 
   1647  /*
   1648   * Some gcc implementations don't grok these attributes with pointer to
   1649   * function. Again, wild guess of what is supported. To override, specify
   1650   * #define PRINTFPTRLIKE  in the system-dependent sections above.
   1651   */
   1652 #ifndef PRINTFPTRLIKE
   1653 #if (__GNUC__ >= 3)			/* XXX Rough estimate */
   1654 #define PRINTFPTRLIKE(x,y) PRINTFLIKE(x,y)
   1655 #elif defined(__clang__) && __has_attribute(__format__)
   1656 #define PRINTFPTRLIKE(x,y) __attribute__ ((__format__ (__printf__, (x), (y))))
   1657 #else
   1658 #define PRINTFPTRLIKE(x,y)
   1659 #endif
   1660 #endif
   1661 
   1662  /*
   1663   * Compiler optimization hint. This makes sense only for code in a
   1664   * performance-critical loop.
   1665   */
   1666 #ifndef EXPECTED
   1667 #if defined(__GNUC__) && (__GNUC__ > 2)
   1668 #define EXPECTED(x)	__builtin_expect(!!(x), 1)
   1669 #define UNEXPECTED(x)	__builtin_expect(!!(x), 0)
   1670 #else
   1671 #define EXPECTED(x)	(x)
   1672 #define UNEXPECTED(x)	(x)
   1673 #endif
   1674 #endif
   1675 
   1676  /*
   1677   * Warn about ignored function result values that must never be ignored.
   1678   * Typically, this is for error results from "read" functions that normally
   1679   * write to output parameters (for example, stat- or scanf-like functions)
   1680   * or from functions that have other useful side effects (for example,
   1681   * fseek- or rename-like functions).
   1682   *
   1683   * DO NOT use this for functions that write to a stream; it is entirely
   1684   * legitimate to detect write errors with fflush() or fclose() only. On the
   1685   * other hand most (but not all) functions that read from a stream must
   1686   * never ignore result values.
   1687   *
   1688   * XXX Prepending "(void)" won't shut up GCC. Clang behaves as expected.
   1689   */
   1690 #if ((__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || __GNUC__ > 3)
   1691 #define WARN_UNUSED_RESULT __attribute__((warn_unused_result))
   1692 #elif defined(__clang__) && __has_attribute(warn_unused_result)
   1693 #define WARN_UNUSED_RESULT __attribute__((warn_unused_result))
   1694 #else
   1695 #define WARN_UNUSED_RESULT
   1696 #endif
   1697 
   1698  /*
   1699   * ISO C says that the "volatile" qualifier protects against optimizations
   1700   * that cause longjmp() to clobber local variables.
   1701   */
   1702 #ifndef NOCLOBBER
   1703 #define NOCLOBBER volatile
   1704 #endif
   1705 
   1706  /*
   1707   * Bit banging!! There is no official constant that defines the INT_MAX
   1708   * equivalent for off_t, ssize_t, etc. Wietse came up with the following
   1709   * macro that works as long as off_t, ssize_t, etc. use one's or two's
   1710   * complement logic (that is, the maximum value is binary 01...1). Don't use
   1711   * right-shift for signed types: the result is implementation-defined.
   1712   */
   1713 #include <limits.h>
   1714 #define __MAXINT__(T) ((T) ~(((T) 1) << ((sizeof(T) * CHAR_BIT) - 1)))
   1715 #ifndef OFF_T_MAX
   1716 #define OFF_T_MAX __MAXINT__(off_t)
   1717 #endif
   1718 
   1719 #ifndef SSIZE_T_MAX
   1720 #define SSIZE_T_MAX __MAXINT__(ssize_t)
   1721 #endif
   1722 
   1723  /*
   1724   * Consistent enforcement of size limits.
   1725   */
   1726 #define ENFORCING_SIZE_LIMIT(param)	((param) > 0)
   1727 
   1728  /*
   1729   * Don't mix socket message send/receive calls with socket stream read/write
   1730   * calls. The fact that you can get away with it only on some stacks implies
   1731   * that there is no long-term guarantee.
   1732   */
   1733 #ifndef CAN_WRITE_BEFORE_SENDING_FD
   1734 #define CANT_WRITE_BEFORE_SENDING_FD
   1735 #endif
   1736 
   1737  /*
   1738   * FreeBSD sendmsg(2) says that after sending a file descriptor, the sender
   1739   * must not immediately close the descriptor, otherwise it may close the
   1740   * descriptor before it is actually sent.
   1741   */
   1742 #ifndef DONT_WAIT_AFTER_SENDING_FD
   1743 #define MUST_READ_AFTER_SENDING_FD
   1744 #endif
   1745 
   1746  /*
   1747   * Hope for the best.
   1748   */
   1749 #ifndef UINT32_TYPE
   1750 #define	UINT32_TYPE uint32_t
   1751 #define UINT16_TYPE uint16_t
   1752 #endif
   1753 #define UINT32_SIZE	4
   1754 #define UINT16_SIZE	2
   1755 
   1756  /*
   1757   * For the sake of clarity.
   1758   */
   1759 #ifndef HAVE_CONST_CHAR_STAR
   1760 typedef const char *CONST_CHAR_STAR;
   1761 
   1762 #endif
   1763 
   1764  /*
   1765   * Safety. On some systems, ctype.h misbehaves with non-ASCII or negative
   1766   * characters. More importantly, Postfix uses the ISXXX() macros to ensure
   1767   * protocol compliance, so we have to rule out non-ASCII characters.
   1768   *
   1769   * XXX The (unsigned char) casts in isalnum() etc arguments are unnecessary
   1770   * because the ISASCII() guard already ensures that the values are
   1771   * non-negative; the casts are done anyway to shut up chatty compilers.
   1772   */
   1773 #define ISASCII(c)	isascii(_UCHAR_(c))
   1774 #define _UCHAR_(c)	((unsigned char)(c))
   1775 #define ISALNUM(c)	(ISASCII(c) && isalnum((unsigned char)(c)))
   1776 #define ISALPHA(c)	(ISASCII(c) && isalpha((unsigned char)(c)))
   1777 #define ISCNTRL(c)	(ISASCII(c) && iscntrl((unsigned char)(c)))
   1778 #define ISDIGIT(c)	(ISASCII(c) && isdigit((unsigned char)(c)))
   1779 #define ISGRAPH(c)	(ISASCII(c) && isgraph((unsigned char)(c)))
   1780 #define ISLOWER(c)	(ISASCII(c) && islower((unsigned char)(c)))
   1781 #define ISPRINT(c)	(ISASCII(c) && isprint((unsigned char)(c)))
   1782 #define ISPUNCT(c)	(ISASCII(c) && ispunct((unsigned char)(c)))
   1783 #define ISSPACE(c)	(ISASCII(c) && isspace((unsigned char)(c)))
   1784 #define ISUPPER(c)	(ISASCII(c) && isupper((unsigned char)(c)))
   1785 #define TOLOWER(c)	(ISUPPER(c) ? tolower((unsigned char)(c)) : (c))
   1786 #define TOUPPER(c)	(ISLOWER(c) ? toupper((unsigned char)(c)) : (c))
   1787 
   1788  /*
   1789   * Character sets for parsing.
   1790   */
   1791 #define CHARS_COMMA_SP	", \t\r\n"	/* list separator */
   1792 #define CHARS_SPACE	" \t\r\n"	/* word separator */
   1793 #define CHARS_BRACE	"{}"		/* grouping */
   1794 
   1795  /*
   1796   * Scaffolding. I don't want to lose messages while the program is under
   1797   * development.
   1798   */
   1799 extern int REMOVE(const char *);
   1800 
   1801 /* LICENSE
   1802 /* .ad
   1803 /* .fi
   1804 /*	The Secure Mailer license must be distributed with this software.
   1805 /* AUTHOR(S)
   1806 /*	Wietse Venema
   1807 /*	IBM T.J. Watson Research
   1808 /*	P.O. Box 704
   1809 /*	Yorktown Heights, NY 10598, USA
   1810 /*
   1811 /*	Wietse Venema
   1812 /*	Google, Inc.
   1813 /*	111 8th Avenue
   1814 /*	New York, NY 10011, USA
   1815 /*--*/
   1816 
   1817 #endif
   1818