1 /* $NetBSD: sys_defs.h,v 1.16 2026/05/09 18:49:23 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) || defined(FREEBSD15) || defined(FREEBSD16) \ 37 || defined(BSDI2) || defined(BSDI3) || defined(BSDI4) \ 38 || defined(OPENBSD2) || defined(OPENBSD3) || defined(OPENBSD4) \ 39 || defined(OPENBSD5) || defined(OPENBSD6) || defined(OPENBSD7) \ 40 || defined(OPENBSD8) \ 41 || defined(NETBSD1) || defined(NETBSD2) || defined(NETBSD3) \ 42 || defined(NETBSD4) || defined(NETBSD5) || defined(NETBSD6) \ 43 || defined(NETBSD7) | defined(NETBSD8) || defined(NETBSD9) \ 44 || defined(NETBSD10) || defined(NETBSD11) || defined(NETBSD12) \ 45 || defined(EKKOBSD1) || defined(DRAGONFLY) 46 #define SUPPORTED 47 #include <sys/param.h> 48 #define UINT32_TYPE unsigned int 49 #define UINT16_TYPE unsigned short 50 #define USE_PATHS_H 51 #define HAS_FLOCK_LOCK 52 #define HAS_FCNTL_LOCK 53 #define INTERNAL_LOCK MYFLOCK_STYLE_FLOCK 54 #define DEF_MAILBOX_LOCK "flock, dotlock" 55 #define HAS_SUN_LEN 56 #define HAS_FSYNC 57 #define HAS_DB 58 #define HAS_SA_LEN 59 #define NATIVE_DB_TYPE "hash" 60 #if (defined(__NetBSD_Version__) && __NetBSD_Version__ >= 104250000) 61 #define ALIAS_DB_MAP "$default_database_type:/etc/mail/aliases" /* sendmail 8.10 */ 62 #endif 63 #if (defined(OpenBSD) && OpenBSD >= 200006) 64 #define ALIAS_DB_MAP "$default_database_type:/etc/mail/aliases" /* OpenBSD 2.7 */ 65 #endif 66 #ifndef ALIAS_DB_MAP 67 #define ALIAS_DB_MAP "$default_database_type:/etc/aliases" 68 #endif 69 #define GETTIMEOFDAY(t) gettimeofday(t,(struct timezone *) 0) 70 #define ROOT_PATH "/bin:/usr/bin:/sbin:/usr/sbin" 71 #if (defined(__NetBSD_Version__) && __NetBSD_Version__ > 299000900) 72 #define USE_STATVFS 73 #define STATVFS_IN_SYS_STATVFS_H 74 #else 75 #define USE_STATFS 76 #define STATFS_IN_SYS_MOUNT_H 77 #endif 78 #define HAS_POSIX_REGEXP 79 #define HAS_ST_GEN /* struct stat contains inode 80 * generation number */ 81 #define NATIVE_SENDMAIL_PATH "/usr/sbin/sendmail" 82 #define NATIVE_MAILQ_PATH "/usr/bin/mailq" 83 #define NATIVE_NEWALIAS_PATH "/usr/bin/newaliases" 84 #define NATIVE_COMMAND_DIR "/usr/sbin" 85 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix" 86 #define HAS_DLOPEN 87 #endif 88 89 #ifdef FREEBSD2 90 #define getsid(p) getpgrp() 91 #ifndef CMSG_SPACE 92 #define CMSG_SPACE(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(len)) 93 #endif 94 #ifndef CMSG_LEN 95 #define CMSG_LEN(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len)) 96 #endif 97 #ifndef CMSG_ALIGN 98 #define CMSG_ALIGN(n) ALIGN(n) 99 #endif 100 #endif /* FREEBSD2 */ 101 102 #ifdef BSDI4 103 /* #define HAS_IPV6 find out interface lookup method */ 104 #endif 105 106 /* __FreeBSD_version version is major+minor */ 107 108 #if __FreeBSD_version >= 220000 109 #define PREFERRED_RAND_SOURCE "dev:/dev/urandom" /* introduced 2.1.5 */ 110 #endif 111 112 #if __FreeBSD_version >= 300000 113 #define HAS_ISSETUGID 114 #define HAS_FUTIMES 115 #endif 116 117 #if __FreeBSD_version >= 400000 118 #define SOCKADDR_SIZE socklen_t 119 #define SOCKOPT_SIZE socklen_t 120 #endif 121 122 #if __FreeBSD_version >= 420000 123 #define HAS_DUPLEX_PIPE /* 4.1 breaks with kqueue(2) */ 124 #endif 125 126 #if (__FreeBSD_version >= 702104 && __FreeBSD_version <= 800000) \ 127 || __FreeBSD_version >= 800100 128 #define HAS_CLOSEFROM 129 #endif 130 131 /* OpenBSD version is year+month */ 132 133 #if OpenBSD >= 199805 /* XXX */ 134 #define HAS_FUTIMES /* XXX maybe earlier */ 135 #endif 136 137 #if (defined(OpenBSD) && OpenBSD >= 199608 && OpenBSD < 201105) 138 #define PREFERRED_RAND_SOURCE "dev:/dev/arandom" /* XXX earlier */ 139 #endif 140 141 #if OpenBSD >= 200000 /* XXX */ 142 #define HAS_ISSETUGID 143 #endif 144 145 #if OpenBSD >= 200200 /* XXX */ 146 #define SOCKADDR_SIZE socklen_t 147 #define SOCKOPT_SIZE socklen_t 148 #endif 149 150 #if OpenBSD >= 200405 /* 3.5 */ 151 #define HAS_CLOSEFROM 152 #endif 153 154 /* __NetBSD_Version__ is major+minor */ 155 156 #if __NetBSD_Version__ >= 103000000 /* XXX maybe earlier */ 157 #undef DEF_MAILBOX_LOCK 158 #define DEF_MAILBOX_LOCK "flock, dotlock" 159 #define PREFERRED_RAND_SOURCE "dev:/dev/urandom" /* XXX maybe earlier */ 160 #endif 161 162 #if __NetBSD_Version__ >= 105000000 163 #define HAS_ISSETUGID /* XXX maybe earlier */ 164 #endif 165 166 #if __NetBSD_Version__ >= 106000000 /* XXX maybe earlier */ 167 #define SOCKADDR_SIZE socklen_t 168 #define SOCKOPT_SIZE socklen_t 169 #endif 170 171 #if __NetBSD_Version__ >= 299000900 /* 2.99.9 */ 172 #define HAS_CLOSEFROM 173 #endif 174 175 #if (defined(__NetBSD_Version__) && __NetBSD_Version__ >= 102000000) 176 #define HAS_FUTIMES 177 #endif 178 179 #if defined(__DragonFly__) 180 #define HAS_DEV_URANDOM 181 #define HAS_ISSETUGID 182 #define HAS_FUTIMES 183 #define SOCKADDR_SIZE socklen_t 184 #define SOCKOPT_SIZE socklen_t 185 #define HAS_DUPLEX_PIPE 186 #endif 187 188 #if (defined(__NetBSD_Version__) && __NetBSD_Version__ >= 105000000) \ 189 || (defined(__FreeBSD__) && __FreeBSD__ >= 4) \ 190 || (defined(OpenBSD) && OpenBSD >= 200003) \ 191 || defined(__DragonFly__) \ 192 || defined(USAGI_LIBINET6) 193 #ifndef NO_IPV6 194 #define HAS_IPV6 195 #endif 196 #if !defined(NO_IPV6) || defined(__NetBSD__) 197 #define HAVE_GETIFADDRS 198 #endif 199 #endif 200 201 #if (defined(__FreeBSD_version) && __FreeBSD_version >= 300000) \ 202 || (defined(__NetBSD_Version__) && __NetBSD_Version__ >= 103000000) \ 203 || (defined(OpenBSD) && OpenBSD >= 199700) /* OpenBSD 2.0?? */ \ 204 || defined(__DragonFly__) 205 #define USE_SYSV_POLL 206 #endif 207 208 #ifndef NO_KQUEUE 209 #if (defined(__FreeBSD_version) && __FreeBSD_version >= 410000) \ 210 || (defined(__NetBSD_Version__) && __NetBSD_Version__ >= 200000000) \ 211 || (defined(OpenBSD) && OpenBSD >= 200105) /* OpenBSD 2.9 */ \ 212 || defined(__DragonFly__) 213 #define EVENTS_STYLE EVENTS_STYLE_KQUEUE 214 #endif 215 #endif 216 217 #ifndef NO_POSIX_GETPW_R 218 #if (defined(__FreeBSD_version) && __FreeBSD_version >= 510000) \ 219 || (defined(__NetBSD_Version__) && __NetBSD_Version__ >= 300000000) \ 220 || (defined(OpenBSD) && OpenBSD >= 200811) /* OpenBSD 4.4 */ 221 #define HAVE_POSIX_GETPW_R 222 #endif 223 #endif 224 225 /* 226 * UNIX on MAC. 227 */ 228 #if defined(RHAPSODY5) || defined(MACOSX) 229 #define SUPPORTED 230 #define UINT32_TYPE unsigned int 231 #define UINT16_TYPE unsigned short 232 #define USE_PATHS_H 233 #define HAS_FLOCK_LOCK 234 #define HAS_FCNTL_LOCK 235 #define INTERNAL_LOCK MYFLOCK_STYLE_FLOCK 236 #define DEF_MAILBOX_LOCK "flock, dotlock" 237 #define HAS_SUN_LEN 238 #define HAS_FSYNC 239 #define HAS_DB 240 #define HAS_SA_LEN 241 #define NATIVE_DB_TYPE "hash" 242 #define ALIAS_DB_MAP "$default_database_type:/etc/aliases" 243 #define GETTIMEOFDAY(t) gettimeofday(t,(struct timezone *) 0) 244 #define ROOT_PATH "/bin:/usr/bin:/sbin:/usr/sbin" 245 #define USE_STATFS 246 #define STATFS_IN_SYS_MOUNT_H 247 #define HAS_POSIX_REGEXP 248 #ifndef NO_NETINFO 249 #define HAS_NETINFO 250 #endif 251 #ifndef NO_IPV6 252 #define HAS_IPV6 253 #define HAVE_GETIFADDRS 254 #endif 255 #define HAS_FUTIMES /* XXX Guessing */ 256 #define NATIVE_SENDMAIL_PATH "/usr/sbin/sendmail" 257 #define NATIVE_MAILQ_PATH "/usr/bin/mailq" 258 #define NATIVE_NEWALIAS_PATH "/usr/bin/newaliases" 259 #define NATIVE_COMMAND_DIR "/usr/sbin" 260 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix" 261 #define SOCKADDR_SIZE socklen_t 262 #define SOCKOPT_SIZE socklen_t 263 #ifndef NO_KQUEUE 264 #define EVENTS_STYLE EVENTS_STYLE_KQUEUE 265 #define USE_SYSV_POLL_THEN_SELECT 266 #endif 267 #define USE_MAX_FILES_PER_PROC 268 #ifndef NO_POSIX_GETPW_R 269 #define HAVE_POSIX_GETPW_R 270 #endif 271 #define HAS_DLOPEN 272 #define PREFERRED_RAND_SOURCE "dev:/dev/urandom" 273 #endif 274 275 /* 276 * Ultrix 4.x, a sort of 4.[1-2] BSD system with System V.2 compatibility 277 * and POSIX. 278 */ 279 #ifdef ULTRIX4 280 #define SUPPORTED 281 #define UINT32_TYPE unsigned int 282 #define UINT16_TYPE unsigned short 283 /* Ultrix by default has only 64 descriptors per process */ 284 #ifndef FD_SETSIZE 285 #define FD_SETSIZE 96 286 #endif 287 #define _PATH_MAILDIR "/var/spool/mail" 288 #define _PATH_BSHELL "/bin/sh" 289 #define _PATH_DEFPATH "/bin:/usr/bin:/usr/ucb" 290 #define _PATH_STDPATH "/bin:/usr/bin:/usr/etc:/usr/ucb" 291 #define HAS_FLOCK_LOCK 292 #define HAS_FCNTL_LOCK 293 #define INTERNAL_LOCK MYFLOCK_STYLE_FLOCK 294 #define DEF_MAILBOX_LOCK "flock, dotlock" 295 #define HAS_FSYNC 296 /* might be set by makedef */ 297 #ifdef HAS_DB 298 #define NATIVE_DB_TYPE "hash" 299 #define ALIAS_DB_MAP "$default_database_type:/etc/aliases" 300 #else 301 #define HAS_DBM 302 #define NATIVE_DB_TYPE "dbm" 303 #define ALIAS_DB_MAP "$default_database_type:/etc/aliases" 304 #endif 305 extern int optind; 306 extern char *optarg; 307 extern int opterr; 308 extern int h_errno; 309 310 #define MISSING_STRFTIME_E 311 #ifndef NO_NIS 312 #define HAS_NIS 313 #endif 314 #define GETTIMEOFDAY(t) gettimeofday(t,(struct timezone *) 0) 315 #define ROOT_PATH "/bin:/usr/bin:/etc:/usr/etc:/usr/ucb" 316 #define USE_STATFS 317 #define USE_STRUCT_FS_DATA 318 #define STATFS_IN_SYS_MOUNT_H 319 /* Ultrix misses just S_ISSOCK, the others are there */ 320 #define S_ISSOCK(mode) (((mode) & (S_IFMT)) == (S_IFSOCK)) 321 #define DUP2_DUPS_CLOSE_ON_EXEC 322 #define MISSING_USLEEP 323 #define NO_HERRNO 324 #define NATIVE_SENDMAIL_PATH "/usr/lib/sendmail" 325 #define NATIVE_COMMAND_DIR "/usr/etc" 326 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix" 327 #endif 328 329 /* 330 * OSF, then Digital UNIX, then Compaq. A BSD-flavored hybrid. 331 */ 332 #ifdef OSF1 333 #define SUPPORTED 334 #define UINT32_TYPE unsigned int 335 #define UINT16_TYPE unsigned short 336 #define MISSING_SETENV 337 #define USE_PATHS_H 338 #define _PATH_DEFPATH "/usr/bin:/usr/ucb" 339 #define HAS_FLOCK_LOCK 340 #define HAS_FCNTL_LOCK 341 #define INTERNAL_LOCK MYFLOCK_STYLE_FLOCK 342 #define DEF_MAILBOX_LOCK "flock, dotlock" 343 #define HAS_FSYNC 344 #define HAVE_BASENAME 345 #define HAS_DBM 346 #define NATIVE_DB_TYPE "dbm" 347 #define ALIAS_DB_MAP "$default_database_type:/var/adm/sendmail/aliases" 348 extern int optind; /* XXX use <getopt.h> */ 349 extern char *optarg; /* XXX use <getopt.h> */ 350 extern int opterr; /* XXX use <getopt.h> */ 351 352 #ifndef NO_NIS 353 #define HAS_NIS 354 #endif 355 #define GETTIMEOFDAY(t) gettimeofday(t,(struct timezone *) 0) 356 #define ROOT_PATH "/bin:/usr/bin:/sbin:/usr/sbin:/usr/ucb" 357 #define USE_STATFS 358 #define STATFS_IN_SYS_MOUNT_H 359 #define HAS_POSIX_REGEXP 360 #define BROKEN_WRITE_SELECT_ON_NON_BLOCKING_PIPE 361 #define NO_MSGHDR_MSG_CONTROL 362 #ifndef NO_IPV6 363 #define HAS_IPV6 364 #endif 365 366 #endif 367 368 /* 369 * SunOS 4.x, a mostly 4.[2-3] BSD system with System V.2 compatibility and 370 * POSIX support. 371 */ 372 #ifdef SUNOS4 373 #define SUPPORTED 374 #include <memory.h> 375 #define UINT32_TYPE unsigned int 376 #define UINT16_TYPE unsigned short 377 #define UNSAFE_CTYPE 378 #define fpos_t long 379 #define MISSING_SETENV 380 #define MISSING_STRERROR 381 #define MISSING_STRTOUL 382 #define _PATH_MAILDIR "/var/spool/mail" 383 #define _PATH_BSHELL "/bin/sh" 384 #define _PATH_DEFPATH "/usr/bin:/usr/ucb" 385 #define _PATH_STDPATH "/usr/bin:/usr/etc:/usr/ucb" 386 #define HAS_FLOCK_LOCK 387 #define HAS_FCNTL_LOCK 388 #define INTERNAL_LOCK MYFLOCK_STYLE_FLOCK 389 #define DEF_MAILBOX_LOCK "flock, dotlock" 390 #define HAS_FSYNC 391 #define HAS_DBM 392 #define NATIVE_DB_TYPE "dbm" 393 #define ALIAS_DB_MAP "$default_database_type:/etc/aliases" 394 extern int optind; 395 extern char *optarg; 396 extern int opterr; 397 398 #ifndef NO_NIS 399 #define HAS_NIS 400 #endif 401 #define GETTIMEOFDAY(t) gettimeofday(t,(struct timezone *) 0) 402 #define ROOT_PATH "/bin:/usr/bin:/etc:/usr/etc:/usr/ucb" 403 #define USE_STATFS 404 #define STATFS_IN_SYS_VFS_H 405 #define memmove(d,s,l) bcopy(s,d,l) 406 #define NO_HERRNO 407 #define NATIVE_SENDMAIL_PATH "/usr/lib/sendmail" 408 #define NATIVE_MAILQ_PATH "/usr/ucb/mailq" 409 #define NATIVE_NEWALIAS_PATH "/usr/ucb/newaliases" 410 #define NATIVE_COMMAND_DIR "/usr/etc" 411 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix" 412 #define STRCASECMP_IN_STRINGS_H 413 #define OCTAL_TO_UNSIGNED(res, str) sscanf((str), "%o", &(res)) 414 #define size_t unsigned 415 #define ssize_t int 416 #define getsid getpgrp 417 #define NO_SNPRINTF 418 #endif 419 420 /* 421 * SunOS 5.x, mostly System V Release 4. 422 */ 423 #ifdef SUNOS5 424 #define SUPPORTED 425 #define UINT32_TYPE unsigned int 426 #define UINT16_TYPE unsigned short 427 #define _PATH_MAILDIR "/var/mail" 428 #define _PATH_BSHELL "/bin/sh" 429 #define _PATH_DEFPATH "/usr/bin:/usr/ucb" 430 #define _PATH_STDPATH "/usr/bin:/usr/sbin:/usr/ucb" 431 #define HAS_FCNTL_LOCK 432 #define INTERNAL_LOCK MYFLOCK_STYLE_FCNTL 433 #define DEF_MAILBOX_LOCK "fcntl, dotlock" 434 #define HAS_FSYNC 435 #define HAS_DBM 436 #define NATIVE_DB_TYPE "dbm" 437 #define ALIAS_DB_MAP "$default_database_type:/etc/mail/aliases" 438 #ifndef NO_NIS 439 #define HAS_NIS 440 #ifndef NO_NISPLUS 441 #define HAS_NISPLUS 442 #endif /* NO_NISPLUS */ 443 #endif 444 #define USE_SYS_SOCKIO_H /* Solaris 2.5, changed sys/ioctl.h */ 445 #define GETTIMEOFDAY(t) gettimeofday(t) 446 #define ROOT_PATH "/bin:/usr/bin:/sbin:/usr/sbin:/usr/ucb" 447 #define FIONREAD_IN_SYS_FILIO_H 448 #define USE_STATVFS 449 #define STATVFS_IN_SYS_STATVFS_H 450 #define INT_MAX_IN_LIMITS_H 451 #ifdef STREAM_CONNECTIONS /* avoid UNIX-domain sockets */ 452 #define LOCAL_LISTEN stream_listen 453 #define LOCAL_ACCEPT stream_accept 454 #define LOCAL_CONNECT stream_connect 455 #define LOCAL_TRIGGER stream_trigger 456 #define LOCAL_SEND_FD stream_send_fd 457 #define LOCAL_RECV_FD stream_recv_fd 458 #endif 459 #define HAS_VOLATILE_LOCKS 460 #define BROKEN_READ_SELECT_ON_TCP_SOCKET 461 #define CANT_WRITE_BEFORE_SENDING_FD 462 #ifndef NO_POSIX_REGEXP 463 #define HAS_POSIX_REGEXP 464 #endif 465 #ifndef NO_IPV6 466 #define HAS_IPV6 467 #define HAS_SIOCGLIF 468 #endif 469 #ifndef NO_CLOSEFROM 470 #define HAS_CLOSEFROM 471 #endif 472 #ifndef NO_DEV_URANDOM 473 #define PREFERRED_RAND_SOURCE "dev:/dev/urandom" 474 #endif 475 #ifndef NO_FUTIMESAT 476 #define HAS_FUTIMESAT 477 #endif 478 #define USE_SYSV_POLL 479 #ifndef NO_DEVPOLL 480 #define EVENTS_STYLE EVENTS_STYLE_DEVPOLL 481 #endif 482 #ifndef NO_POSIX_GETPW_R 483 #define HAVE_POSIX_GETPW_R 484 #define GETPW_R_NEEDS_POSIX_PTHREAD_SEMANTICS 485 #endif 486 487 /* 488 * Allow build environment to override paths. 489 */ 490 #define NATIVE_SENDMAIL_PATH "/usr/lib/sendmail" 491 #define NATIVE_MAILQ_PATH "/usr/bin/mailq" 492 #define NATIVE_NEWALIAS_PATH "/usr/bin/newaliases" 493 #define NATIVE_COMMAND_DIR "/usr/sbin" 494 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix" 495 496 #define HAS_DLOPEN 497 #endif 498 499 /* 500 * UnixWare, System Release 4. 501 */ 502 #ifdef UW7 /* UnixWare 7 */ 503 #define SUPPORTED 504 #define UINT32_TYPE unsigned int 505 #define UINT16_TYPE unsigned short 506 #define _PATH_MAILDIR "/var/mail" 507 #define _PATH_BSHELL "/bin/sh" 508 #define _PATH_DEFPATH "/usr/bin:/usr/ucb" 509 #define _PATH_STDPATH "/usr/bin:/usr/sbin:/usr/ucb" 510 #define MISSING_SETENV 511 #define HAS_FCNTL_LOCK 512 #define INTERNAL_LOCK MYFLOCK_STYLE_FCNTL 513 #define DEF_MAILBOX_LOCK "fcntl, dotlock" 514 #define HAS_FSYNC 515 #define HAS_DBM 516 #define NATIVE_DB_TYPE "dbm" 517 #define ALIAS_DB_MAP "$default_database_type:/etc/mail/aliases" 518 #ifndef NO_NIS 519 #define HAS_NIS 520 #endif 521 #define USE_SYS_SOCKIO_H 522 #define GETTIMEOFDAY(t) gettimeofday(t,(struct timezone *) 0) 523 #define ROOT_PATH "/bin:/usr/bin:/sbin:/usr/sbin:/usr/ucb" 524 #define FIONREAD_IN_SYS_FILIO_H 525 #define DBM_NO_TRAILING_NULL 526 #define USE_STATVFS 527 #define STATVFS_IN_SYS_STATVFS_H 528 #define STRCASECMP_IN_STRINGS_H 529 #define USE_SET_H_ERRNO 530 #endif 531 532 #ifdef UW21 /* UnixWare 2.1.x */ 533 #define SUPPORTED 534 #define UINT32_TYPE unsigned int 535 #define UINT16_TYPE unsigned short 536 #define _PATH_MAILDIR "/var/mail" 537 #define _PATH_BSHELL "/bin/sh" 538 #define _PATH_DEFPATH "/usr/bin:/usr/ucb" 539 #define _PATH_STDPATH "/usr/bin:/usr/sbin:/usr/ucb" 540 #define MISSING_SETENV 541 #define HAS_FCNTL_LOCK 542 #define INTERNAL_LOCK MYFLOCK_STYLE_FCNTL 543 #define DEF_MAILBOX_LOCK "fcntl, dotlock" 544 #define HAS_FSYNC 545 #define HAS_DBM 546 #define NATIVE_DB_TYPE "dbm" 547 #define ALIAS_DB_MAP "$default_database_type:/etc/mail/aliases" 548 #ifndef NO_NIS 549 #define HAS_NIS */ 550 #endif 551 #define USE_SYS_SOCKIO_H 552 #define GETTIMEOFDAY(t) gettimeofday(t,NULL) 553 #define ROOT_PATH "/bin:/usr/bin:/sbin:/usr/sbin:/usr/ucb" 554 #define FIONREAD_IN_SYS_FILIO_H 555 #define DBM_NO_TRAILING_NULL 556 #define USE_STATVFS 557 #define STATVFS_IN_SYS_STATVFS_H 558 #endif 559 560 /* 561 * AIX: a SYSV-flavored hybrid. NB: fcntl() and flock() access the same 562 * underlying locking primitives. 563 */ 564 #if defined(AIX5) || defined(AIX6) 565 #define SUPPORTED 566 #define UINT32_TYPE unsigned int 567 #define UINT16_TYPE unsigned short 568 #define MISSING_SETENV 569 #define USE_PATHS_H 570 #ifndef _PATH_BSHELL 571 #define _PATH_BSHELL "/bin/sh" 572 #endif 573 #ifndef _PATH_MAILDIR 574 #define _PATH_MAILDIR "/var/spool/mail" /* paths.h lies */ 575 #endif 576 #ifndef _PATH_DEFPATH 577 #define _PATH_DEFPATH "/usr/bin:/usr/ucb" 578 #endif 579 #ifndef _PATH_STDPATH 580 #define _PATH_STDPATH "/usr/bin:/usr/sbin:/usr/ucb" 581 #endif 582 #define HAS_FCNTL_LOCK 583 #define INTERNAL_LOCK MYFLOCK_STYLE_FCNTL 584 #define DEF_MAILBOX_LOCK "fcntl, dotlock" 585 #define USE_SYS_SELECT_H 586 #define HAS_FSYNC 587 #define HAS_DBM 588 #define NATIVE_DB_TYPE "dbm" 589 #define ALIAS_DB_MAP "$default_database_type:/etc/aliases" 590 #ifndef NO_NIS 591 #define HAS_NIS 592 #endif 593 #define HAS_SA_LEN 594 #define GETTIMEOFDAY(t) gettimeofday(t,(struct timezone *) 0) 595 #define ROOT_PATH "/bin:/usr/bin:/sbin:/usr/sbin:/usr/ucb" 596 #define SOCKADDR_SIZE socklen_t 597 #define SOCKOPT_SIZE socklen_t 598 #define USE_STATVFS 599 #define STATVFS_IN_SYS_STATVFS_H 600 #define NATIVE_SENDMAIL_PATH "/usr/sbin/sendmail" 601 #define NATIVE_MAILQ_PATH "/usr/sbin/mailq" 602 #define NATIVE_NEWALIAS_PATH "/usr/sbin/newaliases" 603 #define NATIVE_COMMAND_DIR "/usr/sbin" 604 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix" 605 606 /* 607 * XXX Need CMSG_SPACE() and CMSG_LEN() but don't want to drag in everything 608 * that comes with _LINUX_SOURCE_COMPAT. 609 */ 610 #include <sys/socket.h> 611 #ifndef CMSG_SPACE 612 #define CMSG_SPACE(len) (_CMSG_ALIGN(sizeof(struct cmsghdr)) + _CMSG_ALIGN(len)) 613 #endif 614 #ifndef CMSG_LEN 615 #define CMSG_LEN(len) (_CMSG_ALIGN(sizeof(struct cmsghdr)) + (len)) 616 #endif 617 #ifndef NO_IPV6 618 #define HAS_IPV6 619 #endif 620 #define BROKEN_AI_PASSIVE_NULL_HOST 621 #define BROKEN_AI_NULL_SERVICE 622 #define USE_SYSV_POLL 623 #define MYMALLOC_FUZZ 1 624 #endif 625 626 #ifdef AIX4 627 #define SUPPORTED 628 #define UINT32_TYPE unsigned int 629 #define UINT16_TYPE unsigned short 630 #define MISSING_SETENV 631 #define _PATH_BSHELL "/bin/sh" 632 #define _PATH_MAILDIR "/var/spool/mail" /* paths.h lies */ 633 #define _PATH_DEFPATH "/usr/bin:/usr/ucb" 634 #define _PATH_STDPATH "/usr/bin:/usr/sbin:/usr/ucb" 635 #define HAS_FCNTL_LOCK 636 #define INTERNAL_LOCK MYFLOCK_STYLE_FCNTL 637 #define DEF_MAILBOX_LOCK "fcntl, dotlock" 638 #define USE_SYS_SELECT_H 639 #define HAS_FSYNC 640 #define HAS_DBM 641 #define NATIVE_DB_TYPE "dbm" 642 #define ALIAS_DB_MAP "$default_database_type:/etc/aliases" 643 #ifndef NO_NIS 644 #define HAS_NIS 645 #endif 646 #define HAS_SA_LEN 647 #define GETTIMEOFDAY(t) gettimeofday(t,(struct timezone *) 0) 648 #define RESOLVE_H_NEEDS_STDIO_H 649 #define ROOT_PATH "/bin:/usr/bin:/sbin:/usr/sbin:/usr/ucb" 650 #define SOCKADDR_SIZE size_t 651 #define SOCKOPT_SIZE size_t 652 #define USE_STATVFS 653 #define STATVFS_IN_SYS_STATVFS_H 654 #define STRCASECMP_IN_STRINGS_H 655 #if 0 656 extern time_t time(time_t *); 657 extern int seteuid(uid_t); 658 extern int setegid(gid_t); 659 extern int initgroups(const char *, int); 660 661 #endif 662 #define NATIVE_SENDMAIL_PATH "/usr/lib/sendmail" 663 #define NATIVE_MAILQ_PATH "/usr/sbin/mailq" 664 #define NATIVE_NEWALIAS_PATH "/usr/sbin/newaliases" 665 #define NATIVE_COMMAND_DIR "/usr/sbin" 666 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix" 667 668 #define CANT_USE_SEND_RECV_MSG 669 #endif 670 671 #ifdef AIX3 672 #define SUPPORTED 673 #define UINT32_TYPE unsigned int 674 #define UINT16_TYPE unsigned short 675 #define MISSING_SETENV 676 #define _PATH_BSHELL "/bin/sh" 677 #define _PATH_MAILDIR "/var/spool/mail" /* paths.h lies */ 678 #define _PATH_DEFPATH "/usr/bin:/usr/ucb" 679 #define _PATH_STDPATH "/usr/bin:/usr/sbin:/usr/ucb" 680 #define HAS_FCNTL_LOCK 681 #define INTERNAL_LOCK MYFLOCK_STYLE_FCNTL 682 #define DEF_MAILBOX_LOCK "fcntl, dotlock" 683 #define USE_SYS_SELECT_H 684 #define HAS_FSYNC 685 #define HAS_DBM 686 #define NATIVE_DB_TYPE "dbm" 687 #define ALIAS_DB_MAP "$default_database_type:/etc/aliases" 688 #ifndef NO_NIS 689 #define HAS_NIS 690 #endif 691 #define HAS_SA_LEN 692 #define GETTIMEOFDAY(t) gettimeofday(t,(struct timezone *) 0) 693 #define RESOLVE_H_NEEDS_STDIO_H 694 #define ROOT_PATH "/bin:/usr/bin:/sbin:/usr/sbin:/usr/ucb" 695 #define SOCKADDR_SIZE size_t 696 #define SOCKOPT_SIZE size_t 697 #define USE_STATFS 698 #define STATFS_IN_SYS_STATFS_H 699 #define STRCASECMP_IN_STRINGS_H 700 extern time_t time(time_t *); 701 extern int seteuid(uid_t); 702 extern int setegid(gid_t); 703 extern int initgroups(const char *, int); 704 705 #define NATIVE_SENDMAIL_PATH "/usr/lib/sendmail" 706 707 #define CANT_USE_SEND_RECV_MSG 708 #endif 709 710 /* 711 * IRIX, a mix of System V Releases. 712 */ 713 #if defined(IRIX5) || defined(IRIX6) 714 #define SUPPORTED 715 #define UINT32_TYPE unsigned int 716 #define UINT16_TYPE unsigned short 717 #define MISSING_SETENV 718 #define _PATH_MAILDIR "/var/mail" 719 #define _PATH_BSHELL "/bin/sh" 720 #define _PATH_DEFPATH "/usr/bin:/usr/bsd" 721 #define _PATH_STDPATH "/usr/bin:/usr/sbin:/usr/bsd" 722 #define HAS_FCNTL_LOCK 723 #define INTERNAL_LOCK MYFLOCK_STYLE_FCNTL 724 #define DEF_MAILBOX_LOCK "fcntl, dotlock" 725 #define HAS_FSYNC 726 #define HAS_DBM 727 #define NATIVE_DB_TYPE "dbm" 728 #define ALIAS_DB_MAP "$default_database_type:/etc/aliases" 729 #ifndef NO_NIS 730 #define HAS_NIS 731 #endif 732 #define USE_SYS_SOCKIO_H /* XXX check */ 733 #define GETTIMEOFDAY(t) gettimeofday(t) 734 #define ROOT_PATH "/bin:/usr/bin:/sbin:/usr/sbin:/usr/bsd" 735 #define FIONREAD_IN_SYS_FILIO_H /* XXX check */ 736 #define DBM_NO_TRAILING_NULL /* XXX check */ 737 #define USE_STATVFS 738 #define STATVFS_IN_SYS_STATVFS_H 739 #define BROKEN_WRITE_SELECT_ON_NON_BLOCKING_PIPE 740 #define CANT_USE_SEND_RECV_MSG 741 #endif 742 743 #if defined(IRIX5) 744 #define MISSING_USLEEP 745 #endif 746 747 #if defined(IRIX6) 748 #ifndef NO_IPV6 749 #define HAS_IPV6 750 #endif 751 #define HAS_POSIX_REGEXP 752 #define PIPES_CANT_FIONREAD 753 #endif 754 755 /* 756 * GLIBC, mainly, but not exclusively Linux 757 */ 758 #ifdef __GLIBC_PREREQ 759 #define HAVE_GLIBC_API_VERSION_SUPPORT(maj, min) __GLIBC_PREREQ(maj, min) 760 #else 761 #define HAVE_GLIBC_API_VERSION_SUPPORT(maj, min) \ 762 (defined(__GLIBC__) && \ 763 ((__GLIBC__ << 16) + __GLIBC_MINOR__ >= ((maj) << 16) + (min))) 764 #endif 765 766 /* 767 * LINUX. 768 */ 769 #if defined(LINUX2) || defined(LINUX3) || defined(LINUX4) || defined(LINUX5) \ 770 || defined(LINUX6) || defined(LINUX7) 771 #define SUPPORTED 772 #define UINT32_TYPE unsigned int 773 #define UINT16_TYPE unsigned short 774 #include <features.h> 775 #define USE_PATHS_H 776 #define HAS_FLOCK_LOCK 777 #define HAS_FCNTL_LOCK 778 #define INTERNAL_LOCK MYFLOCK_STYLE_FLOCK 779 #define DEF_MAILBOX_LOCK "fcntl, dotlock" /* RedHat >= 4.x */ 780 #define HAS_FSYNC 781 #define HAS_DB 782 #define NATIVE_DB_TYPE "hash" 783 #define ALIAS_DB_MAP "$default_database_type:/etc/aliases" 784 #ifndef NO_NIS 785 #define HAS_NIS 786 #endif 787 #define GETTIMEOFDAY(t) gettimeofday(t,(struct timezone *) 0) 788 #define ROOT_PATH "/bin:/usr/bin:/sbin:/usr/sbin" 789 #define FIONREAD_IN_TERMIOS_H 790 #define USE_STATFS 791 #define STATFS_IN_SYS_VFS_H 792 #define PREPEND_PLUS_TO_OPTSTRING 793 #define HAS_POSIX_REGEXP 794 #define HAS_DLOPEN 795 #define NATIVE_SENDMAIL_PATH "/usr/sbin/sendmail" 796 #define NATIVE_MAILQ_PATH "/usr/bin/mailq" 797 #define NATIVE_NEWALIAS_PATH "/usr/bin/newaliases" 798 #define NATIVE_COMMAND_DIR "/usr/sbin" 799 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix" 800 #if HAVE_GLIBC_API_VERSION_SUPPORT(2, 1) 801 #define SOCKADDR_SIZE socklen_t 802 #define SOCKOPT_SIZE socklen_t 803 #else 804 #define NO_SNPRINTF 805 #endif 806 #ifndef NO_IPV6 807 #define HAS_IPV6 808 #if HAVE_GLIBC_API_VERSION_SUPPORT(2, 4) 809 /* Really 2.3.3 or later, but there's no __GLIBC_MICRO version macro. */ 810 #define HAVE_GETIFADDRS 811 #else 812 #define HAS_PROCNET_IFINET6 813 #define _PATH_PROCNET_IFINET6 "/proc/net/if_inet6" 814 #endif 815 #endif 816 #include <linux/version.h> 817 #if !defined(KERNEL_VERSION) 818 #define KERNEL_VERSION(a,b,c) (LINUX_VERSION_CODE + 1) 819 #endif 820 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,2,0)) \ 821 || (defined(__GLIBC__) && __GLIBC__ < 2) 822 #define CANT_USE_SEND_RECV_MSG 823 #define DEF_SMTP_CACHE_DEMAND 0 824 #else 825 #define CANT_WRITE_BEFORE_SENDING_FD 826 #endif 827 #define PREFERRED_RAND_SOURCE "dev:/dev/urandom" /* introduced in 1.1 */ 828 #ifndef NO_EPOLL 829 #define EVENTS_STYLE EVENTS_STYLE_EPOLL /* introduced in 2.5 */ 830 #endif 831 #define USE_SYSV_POLL 832 #ifndef NO_POSIX_GETPW_R 833 #if (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 1) \ 834 || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE >= 1) \ 835 || (defined(_BSD_SOURCE) && _BSD_SOURCE >= 1) \ 836 || (defined(_SVID_SOURCE) && _SVID_SOURCE >= 1) \ 837 || (defined(_POSIX_SOURCE) && _POSIX_SOURCE >= 1) 838 #define HAVE_POSIX_GETPW_R 839 #endif 840 #endif 841 #if HAVE_GLIBC_API_VERSION_SUPPORT(2, 34) 842 #define HAS_CLOSEFROM 843 #endif 844 845 #endif 846 847 #ifdef LINUX1 848 #define SUPPORTED 849 #define UINT32_TYPE unsigned int 850 #define UINT16_TYPE unsigned short 851 #define USE_PATHS_H 852 #define HAS_FLOCK_LOCK 853 #define HAS_FCNTL_LOCK 854 #define INTERNAL_LOCK MYFLOCK_STYLE_FLOCK 855 #define DEF_MAILBOX_LOCK "dotlock" /* verified RedHat 3.03 */ 856 #define HAS_FSYNC 857 #define HAS_DB 858 #define NATIVE_DB_TYPE "hash" 859 #define ALIAS_DB_MAP "$default_database_type:/etc/aliases" 860 #ifndef NO_NIS 861 #define HAS_NIS 862 #endif 863 #define GETTIMEOFDAY(t) gettimeofday(t,(struct timezone *) 0) 864 #define ROOT_PATH "/bin:/usr/bin:/sbin:/usr/sbin" 865 #define FIONREAD_IN_TERMIOS_H /* maybe unnecessary */ 866 #define USE_STATFS 867 #define STATFS_IN_SYS_VFS_H 868 #define PREPEND_PLUS_TO_OPTSTRING 869 #define HAS_POSIX_REGEXP 870 #define NATIVE_SENDMAIL_PATH "/usr/sbin/sendmail" 871 #define NATIVE_MAILQ_PATH "/usr/bin/mailq" 872 #define NATIVE_NEWALIAS_PATH "/usr/bin/newaliases" 873 #define NATIVE_COMMAND_DIR "/usr/sbin" 874 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix" 875 #define CANT_USE_SEND_RECV_MSG 876 #define DEF_SMTP_CACHE_DEMAND 0 877 #endif 878 879 /* 880 * GNU. 881 */ 882 #ifdef GNU0 883 #define SUPPORTED 884 #include <features.h> 885 #define USE_PATHS_H 886 #define HAS_FCNTL_LOCK 887 #define INTERNAL_LOCK MYFLOCK_STYLE_FCNTL 888 #define DEF_MAILBOX_LOCK "fcntl, dotlock" /* RedHat >= 4.x */ 889 #define HAS_FSYNC 890 #define HAS_DB 891 #define NATIVE_DB_TYPE "hash" 892 #define ALIAS_DB_MAP "$default_database_type:/etc/aliases" 893 #ifndef NO_NIS 894 #define HAS_NIS 895 #endif 896 #define GETTIMEOFDAY(t) gettimeofday(t,(struct timezone *) 0) 897 #define ROOT_PATH "/bin:/usr/bin:/sbin:/usr/sbin" 898 #define FIONREAD_IN_TERMIOS_H 899 #define USE_STATFS 900 #define STATFS_IN_SYS_VFS_H 901 #define UNIX_DOMAIN_CONNECT_BLOCKS_FOR_ACCEPT 902 #define PREPEND_PLUS_TO_OPTSTRING 903 #define HAS_POSIX_REGEXP 904 #define HAS_DLOPEN 905 #define NATIVE_SENDMAIL_PATH "/usr/sbin/sendmail" 906 #define NATIVE_MAILQ_PATH "/usr/bin/mailq" 907 #define NATIVE_NEWALIAS_PATH "/usr/bin/newaliases" 908 #define NATIVE_COMMAND_DIR "/usr/sbin" 909 #ifdef DEBIAN 910 #define NATIVE_DAEMON_DIR "/usr/lib/postfix" 911 #ifndef DEF_MANPAGE_DIR 912 #define DEF_MANPAGE_DIR "/usr/share/man" 913 #endif 914 #ifndef DEF_SAMPLE_DIR 915 #define DEF_SAMPLE_DIR "/usr/share/doc/postfix/examples" 916 #endif 917 #ifndef DEF_README_DIR 918 #define DEF_README_DIR "/usr/share/doc/postfix" 919 #endif 920 #else 921 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix" 922 #endif 923 #define SOCKADDR_SIZE socklen_t 924 #define SOCKOPT_SIZE socklen_t 925 #ifdef __FreeBSD_kernel__ 926 #define HAS_DUPLEX_PIPE 927 #define HAS_ISSETUGID 928 #endif 929 #ifndef NO_IPV6 930 #define HAS_IPV6 931 #ifdef __FreeBSD_kernel__ 932 #define HAVE_GETIFADDRS 933 #else 934 #define HAS_PROCNET_IFINET6 935 #define _PATH_PROCNET_IFINET6 "/proc/net/if_inet6" 936 #endif 937 #endif 938 #define CANT_USE_SEND_RECV_MSG 939 #define DEF_SMTP_CACHE_DEMAND 0 940 #define PREFERRED_RAND_SOURCE "dev:/dev/urandom" 941 #endif 942 943 /* 944 * HPUX11 was copied from HPUX10, but can perhaps be trimmed down a bit. 945 */ 946 #ifdef HPUX11 947 #define SUPPORTED 948 #define USE_SIG_RETURN 949 #define UINT32_TYPE unsigned int 950 #define UINT16_TYPE unsigned short 951 #define HAS_DBM 952 #define HAS_FCNTL_LOCK 953 #define INTERNAL_LOCK MYFLOCK_STYLE_FCNTL 954 #define DEF_MAILBOX_LOCK "fcntl, dotlock" 955 #define HAS_FSYNC 956 #define NATIVE_DB_TYPE "dbm" 957 #define ALIAS_DB_MAP "$default_database_type:/etc/mail/aliases" 958 #define ROOT_PATH "/usr/bin:/sbin:/usr/sbin" 959 #define MISSING_SETENV 960 #ifndef NO_NIS 961 #define HAS_NIS 962 #endif 963 #define GETTIMEOFDAY(t) gettimeofday(t,(struct timezone *) 0) 964 #define _PATH_BSHELL "/bin/sh" 965 #define _PATH_MAILDIR "/var/mail" 966 #define _PATH_DEFPATH "/usr/bin" 967 #define _PATH_STDPATH "/usr/bin:/sbin:/usr/sbin" 968 #define MISSING_SETEUID 969 #define HAVE_SETRESUID 970 #define MISSING_SETEGID 971 #define HAVE_SETRESGID 972 extern int h_errno; /* <netdb.h> imports too much stuff */ 973 974 #define USE_STATFS 975 #define STATFS_IN_SYS_VFS_H 976 #define HAS_POSIX_REGEXP 977 #define HAS_DLOPEN 978 #define NATIVE_SENDMAIL_PATH "/usr/sbin/sendmail" 979 #define NATIVE_MAILQ_PATH "/usr/bin/mailq" 980 #define NATIVE_NEWALIAS_PATH "/usr/bin/newaliases" 981 #define NATIVE_COMMAND_DIR "/usr/sbin" 982 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix" 983 #endif 984 985 #ifdef HPUX10 986 #define SUPPORTED 987 #define USE_SIG_RETURN 988 #define UINT32_TYPE unsigned int 989 #define UINT16_TYPE unsigned short 990 #define HAS_DBM 991 #define HAS_FCNTL_LOCK 992 #define INTERNAL_LOCK MYFLOCK_STYLE_FCNTL 993 #define DEF_MAILBOX_LOCK "fcntl, dotlock" 994 #define HAS_FSYNC 995 #define NATIVE_DB_TYPE "dbm" 996 #define ALIAS_DB_MAP "$default_database_type:/etc/mail/aliases" 997 #define ROOT_PATH "/usr/bin:/sbin:/usr/sbin" 998 #define MISSING_SETENV 999 #ifndef NO_NIS 1000 #define HAS_NIS 1001 #endif 1002 #define GETTIMEOFDAY(t) gettimeofday(t,(struct timezone *) 0) 1003 #define _PATH_BSHELL "/bin/sh" 1004 #define _PATH_MAILDIR "/var/mail" 1005 #define _PATH_DEFPATH "/usr/bin" 1006 #define _PATH_STDPATH "/usr/bin:/sbin:/usr/sbin" 1007 #define MISSING_SETEUID 1008 #define HAVE_SETRESUID 1009 #define MISSING_SETEGID 1010 #define HAVE_SETRESGID 1011 extern int h_errno; /* <netdb.h> imports too much stuff */ 1012 1013 #define USE_STATFS 1014 #define STATFS_IN_SYS_VFS_H 1015 #define HAS_POSIX_REGEXP 1016 #define HAS_SHL_LOAD 1017 #define NATIVE_SENDMAIL_PATH "/usr/sbin/sendmail" 1018 #define NATIVE_MAILQ_PATH "/usr/bin/mailq" 1019 #define NATIVE_NEWALIAS_PATH "/usr/bin/newaliases" 1020 #define NATIVE_COMMAND_DIR "/usr/sbin" 1021 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix" 1022 #endif 1023 1024 #ifdef HPUX9 1025 #define SUPPORTED 1026 #define USE_SIG_RETURN 1027 #define UINT32_TYPE unsigned int 1028 #define UINT16_TYPE unsigned short 1029 #define HAS_DBM 1030 #define HAS_FCNTL_LOCK 1031 #define INTERNAL_LOCK MYFLOCK_STYLE_FCNTL 1032 #define DEF_MAILBOX_LOCK "fcntl, dotlock" 1033 #define HAS_FSYNC 1034 #ifndef NO_NIS 1035 #define HAS_NIS 1036 #endif 1037 #define MISSING_SETENV 1038 #define MISSING_RLIMIT_FSIZE 1039 #define GETTIMEOFDAY(t) gettimeofday(t,(struct timezone *) 0) 1040 #define NATIVE_DB_TYPE "dbm" 1041 #define ALIAS_DB_MAP "$default_database_type:/usr/lib/aliases" 1042 #define ROOT_PATH "/bin:/usr/bin:/etc" 1043 #define _PATH_BSHELL "/bin/sh" 1044 #define _PATH_MAILDIR "/usr/mail" 1045 #define _PATH_DEFPATH "/bin:/usr/bin" 1046 #define _PATH_STDPATH "/bin:/usr/bin:/etc" 1047 #define MISSING_SETEUID 1048 #define HAVE_SETRESUID 1049 #define MISSING_SETEGID 1050 #define HAVE_SETRESGID 1051 extern int h_errno; 1052 1053 #define USE_ULIMIT /* no setrlimit() */ 1054 #define USE_STATFS 1055 #define STATFS_IN_SYS_VFS_H 1056 #define HAS_POSIX_REGEXP 1057 #define HAS_SHL_LOAD 1058 #define NATIVE_SENDMAIL_PATH "/usr/bin/sendmail" 1059 #define NATIVE_MAILQ_PATH "/usr/bin/mailq" 1060 #define NATIVE_NEWALIAS_PATH "/usr/bin/newaliases" 1061 #define NATIVE_DAEMON_DIR "/usr/libexec/postfix" 1062 #endif 1063 1064 /* 1065 * NEXTSTEP3, without -lposix, because its naming service is broken. 1066 */ 1067 #ifdef NEXTSTEP3 1068 #define SUPPORTED 1069 #define UINT32_TYPE unsigned int 1070 #define UINT16_TYPE unsigned short 1071 #define HAS_DBM 1072 #define HAS_FLOCK_LOCK 1073 #define INTERNAL_LOCK MYFLOCK_STYLE_FLOCK 1074 #define DEF_MAILBOX_LOCK "flock, dotlock" 1075 #define USE_STATFS 1076 #define HAVE_SYS_DIR_H 1077 #define STATFS_IN_SYS_VFS_H 1078 #define HAS_FSYNC 1079 #ifndef NO_NIS 1080 #define HAS_NIS 1081 #endif 1082 #define HAS_NETINFO 1083 #define MISSING_SETENV_PUTENV 1084 #define MISSING_MKFIFO 1085 #define MISSING_SIGSET_T 1086 #define MISSING_SIGACTION 1087 #define MISSING_STD_FILENOS 1088 #define MISSING_SETSID 1089 #define MISSING_WAITPID 1090 #define MISSING_UTIMBUF 1091 #define HAS_WAIT4 1092 #define WAIT_STATUS_T union wait 1093 #define NORMAL_EXIT_STATUS(x) (WIFEXITED(x) && !WEXITSTATUS (x)) 1094 #define GETTIMEOFDAY(t) gettimeofday(t,(struct timezone *) 0) 1095 #define _PATH_MAILDIR "/usr/spool/mail" 1096 #define _PATH_BSHELL "/bin/sh" 1097 #define _PATH_DEFPATH "/bin:/usr/bin:/usr/ucb" 1098 #define _PATH_STDPATH "/bin:/usr/bin:/usr/ucb" 1099 #define ROOT_PATH "/bin:/usr/bin:/usr/etc:/usr/ucb" 1100 #define NATIVE_DB_TYPE "dbm" 1101 #define ALIAS_DB_MAP "netinfo:/aliases" 1102 #include <libc.h> 1103 #define MISSING_POSIX_S_IS 1104 #define MISSING_POSIX_S_MODES 1105 /* It's amazing what is all missing... */ 1106 #define isascii(c) ((unsigned)(c)<=0177) 1107 extern int opterr; 1108 typedef unsigned short mode_t; 1109 1110 #define MISSING_PID_T 1111 #define MISSING_STRFTIME_E 1112 #define FD_CLOEXEC 1 1113 #define O_NONBLOCK O_NDELAY 1114 #define WEXITSTATUS(x) ((x).w_retcode) 1115 #define WTERMSIG(x) ((x).w_termsig) 1116 #endif 1117 1118 /* 1119 * OPENSTEP does not have posix (some fix...) 1120 */ 1121 #ifdef OPENSTEP4 1122 #define SUPPORTED 1123 #define UINT32_TYPE unsigned int 1124 #define UINT16_TYPE unsigned short 1125 #define HAS_DBM 1126 #define HAS_FLOCK_LOCK 1127 #define INTERNAL_LOCK MYFLOCK_STYLE_FLOCK 1128 #define DEF_MAILBOX_LOCK "flock, dotlock" 1129 #define USE_STATFS 1130 #define HAVE_SYS_DIR_H 1131 #define STATFS_IN_SYS_VFS_H 1132 #define HAS_FSYNC 1133 #ifndef NO_NIS 1134 #define HAS_NIS 1135 #endif 1136 #define HAS_NETINFO 1137 #define MISSING_SETENV_PUTENV 1138 #define MISSING_MKFIFO 1139 #define MISSING_SIGSET_T 1140 #define MISSING_SIGACTION 1141 #define MISSING_STD_FILENOS 1142 #define MISSING_SETSID 1143 #define MISSING_WAITPID 1144 #define MISSING_UTIMBUF 1145 #define HAS_WAIT4 1146 #define WAIT_STATUS_T union wait 1147 #define NORMAL_EXIT_STATUS(x) (WIFEXITED(x) && !WEXITSTATUS (x)) 1148 #define GETTIMEOFDAY(t) gettimeofday(t,(struct timezone *) 0) 1149 #define _PATH_MAILDIR "/usr/spool/mail" 1150 #define _PATH_BSHELL "/bin/sh" 1151 #define _PATH_DEFPATH "/bin:/usr/bin:/usr/ucb" 1152 #define _PATH_STDPATH "/bin:/usr/bin:/usr/ucb" 1153 #define ROOT_PATH "/bin:/usr/bin:/usr/etc:/usr/ucb" 1154 #define NATIVE_DB_TYPE "dbm" 1155 #define ALIAS_DB_MAP "netinfo:/aliases" 1156 #include <libc.h> 1157 #define MISSING_POSIX_S_IS 1158 #define MISSING_POSIX_S_MODES 1159 /* It's amazing what is all missing... */ 1160 #define isascii(c) ((unsigned)(c)<=0177) 1161 extern int opterr; 1162 typedef unsigned short mode_t; 1163 1164 #define MISSING_PID_T 1165 #define MISSING_STRFTIME_E 1166 #define FD_CLOEXEC 1 1167 #define O_NONBLOCK O_NDELAY 1168 #define WEXITSTATUS(x) ((x).w_retcode) 1169 #define WTERMSIG(x) ((x).w_termsig) 1170 #endif 1171 1172 #ifdef ReliantUnix543 1173 #define SUPPORTED 1174 #define UINT32_TYPE unsigned int 1175 #define UINT16_TYPE unsigned short 1176 #define MISSING_SETENV 1177 #define _PATH_DEFPATH "/usr/bin:/usr/ucb" 1178 #define _PATH_BSHELL "/bin/sh" 1179 #define _PATH_MAILDIR "/var/spool/mail" 1180 #define HAS_FCNTL_LOCK 1181 #define INTERNAL_LOCK MYFLOCK_STYLE_FCNTL 1182 #define DEF_MAILBOX_LOCK "fcntl, dotlock" 1183 #define HAS_FSYNC 1184 #define FIONREAD_IN_SYS_FILIO_H 1185 #define USE_SYS_SOCKIO_H 1186 #define HAS_DBM 1187 #define NATIVE_DB_TYPE "dbm" 1188 #define ALIAS_DB_MAP "$default_database_type:/var/adm/sendmail/aliases" 1189 extern int optind; /* XXX use <getopt.h> */ 1190 extern char *optarg; /* XXX use <getopt.h> */ 1191 extern int opterr; /* XXX use <getopt.h> */ 1192 1193 #ifndef NO_NIS 1194 #define HAS_NIS 1195 #endif 1196 #define GETTIMEOFDAY(t) gettimeofday(t) 1197 #define ROOT_PATH "/bin:/usr/bin:/sbin:/usr/sbin:/usr/ucb" 1198 #define USE_STATVFS 1199 #define STATVFS_IN_SYS_STATVFS_H 1200 #define MISSING_USLEEP 1201 #endif 1202 1203 #ifdef DCOSX1 /* Siemens Pyramid */ 1204 #define SUPPORTED 1205 #define UINT32_TYPE unsigned int 1206 #define UINT16_TYPE unsigned short 1207 #define _PATH_MAILDIR "/var/mail" 1208 #define _PATH_BSHELL "/bin/sh" 1209 #define _PATH_DEFPATH "/usr/bin:/usr/ucb" 1210 #define _PATH_STDPATH "/usr/bin:/usr/sbin:/usr/ucb" 1211 #define MISSING_SETENV 1212 #define HAS_FCNTL_LOCK 1213 #define INTERNAL_LOCK MYFLOCK_STYLE_FCNTL 1214 #define DEF_MAILBOX_LOCK "fcntl, dotlock" 1215 #define HAS_FSYNC 1216 #define NATIVE_DB_TYPE "hash" 1217 #define ALIAS_DB_MAP "$default_database_type:/etc/aliases" 1218 /* Uncomment the following line if you have NIS package installed */ 1219 /* #define HAS_NIS */ 1220 #define USE_SYS_SOCKIO_H 1221 #define GETTIMEOFDAY(t) gettimeofday(t,NULL) 1222 #define ROOT_PATH "/bin:/usr/bin:/sbin:/usr/sbin:/usr/ucb" 1223 #define FIONREAD_IN_SYS_FILIO_H 1224 #define DBM_NO_TRAILING_NULL 1225 #define USE_STATVFS 1226 #define STATVFS_IN_SYS_STATVFS_H 1227 #ifndef S_ISSOCK 1228 #define S_ISSOCK(mode) ((mode&0xF000) == 0xC000) 1229 #endif 1230 #endif 1231 1232 #ifdef SCO5 1233 #define SUPPORTED 1234 #include <sys/socket.h> 1235 extern int h_errno; 1236 1237 #define UINT32_TYPE unsigned int 1238 #define UINT16_TYPE unsigned short 1239 #define _PATH_MAILDIR "/usr/spool/mail" 1240 #define _PATH_BSHELL "/bin/sh" 1241 #define _PATH_DEFPATH "/bin:/usr/bin" 1242 #define USE_PATHS_H 1243 #define HAS_FCNTL_LOCK 1244 #define INTERNAL_LOCK MYFLOCK_STYLE_FCNTL 1245 #define DEF_MAILBOX_LOCK "fcntl, dotlock" 1246 #define HAS_FSYNC 1247 #define HAS_DBM 1248 #define NATIVE_DB_TYPE "dbm" 1249 #define ALIAS_DB_MAP "$default_database_type:/etc/mail/aliases" 1250 #define DBM_NO_TRAILING_NULL 1251 #ifndef NO_NIS 1252 #define HAS_NIS 1253 #endif 1254 #define GETTIMEOFDAY(t) gettimeofday(t,(struct timezone *) 0) 1255 #define ROOT_PATH "/bin:/etc:/usr/bin:/tcb/bin" 1256 #define USE_STATVFS 1257 #define STATVFS_IN_SYS_STATVFS_H 1258 #define MISSING_SETENV 1259 #define STRCASECMP_IN_STRINGS_H 1260 /* SCO5 misses just S_ISSOCK, the others are there 1261 * Use C_ISSOCK definition from cpio.h. 1262 */ 1263 #include <cpio.h> 1264 #define S_ISSOCK(mode) (((mode) & (S_IFMT)) == (C_ISSOCK)) 1265 #define CANT_USE_SEND_RECV_MSG 1266 #define DEF_SMTP_CACHE_DEMAND 0 1267 #endif 1268 1269 /* 1270 * We're not going to try to guess like configure does. 1271 */ 1272 #ifndef SUPPORTED 1273 #error "unsupported platform" 1274 #endif 1275 1276 /* 1277 * Allow command line flags to override native settings 1278 */ 1279 #ifndef DEF_COMMAND_DIR 1280 #ifdef NATIVE_COMMAND_DIR 1281 #define DEF_COMMAND_DIR NATIVE_COMMAND_DIR 1282 #endif 1283 #endif 1284 1285 #ifndef DEF_DAEMON_DIR 1286 #ifdef NATIVE_DAEMON_DIR 1287 #define DEF_DAEMON_DIR NATIVE_DAEMON_DIR 1288 #endif 1289 #endif 1290 1291 #ifndef DEF_SENDMAIL_PATH 1292 #ifdef NATIVE_SENDMAIL_PATH 1293 #define DEF_SENDMAIL_PATH NATIVE_SENDMAIL_PATH 1294 #endif 1295 #endif 1296 1297 #ifndef DEF_MAILQ_PATH 1298 #ifdef NATIVE_MAILQ_PATH 1299 #define DEF_MAILQ_PATH NATIVE_MAILQ_PATH 1300 #endif 1301 #endif 1302 1303 #ifndef DEF_NEWALIAS_PATH 1304 #ifdef NATIVE_NEWALIAS_PATH 1305 #define DEF_NEWALIAS_PATH NATIVE_NEWALIAS_PATH 1306 #endif 1307 #endif 1308 1309 #ifndef DEF_DB_TYPE 1310 #define DEF_DB_TYPE NATIVE_DB_TYPE 1311 #endif 1312 1313 #ifndef NATIVE_CACHE_DB_TYPE 1314 #define NATIVE_CACHE_DB_TYPE "btree" /* Postfix < 3.11 default */ 1315 #endif 1316 1317 #ifndef DEF_CACHE_DB_TYPE 1318 #define DEF_CACHE_DB_TYPE NATIVE_CACHE_DB_TYPE 1319 #endif 1320 1321 #define CAST_ANY_PTR_TO_INT(cptr) ((int) (long) (cptr)) 1322 #define CAST_INT_TO_VOID_PTR(ival) ((void *) (long) (ival)) 1323 1324 #ifdef DUP2_DUPS_CLOSE_ON_EXEC 1325 /* dup2_pass_on_exec() can be found in util/sys_compat.c */ 1326 extern int dup2_pass_on_exec(int oldd, int newd); 1327 1328 #define DUP2 dup2_pass_on_exec 1329 #else 1330 #define DUP2 dup2 1331 #endif 1332 1333 #ifdef PREPEND_PLUS_TO_OPTSTRING 1334 #define GETOPT(argc, argv, str) getopt((argc), (argv), "+" str) 1335 #else 1336 #define GETOPT(argc, argv, str) getopt((argc), (argv), (str)) 1337 #endif 1338 #define OPTIND (optind > 0 ? optind : 1) 1339 1340 #if !defined(__UCLIBC__) && !defined(NO_RES_SEND) 1341 #define HAVE_RES_SEND 1342 #else 1343 #undef HAVE_RES_SEND 1344 #endif 1345 1346 /* 1347 * The RFC 5322 Date and Time Specification recommends single space between 1348 * date-time tokens. To avoid breaking change, format all numerical days as 1349 * two-digit days (i.e. days 1-9 now have a leading zero instead of space). 1350 */ 1351 #define TWO_DIGIT_DAY_IN_DATE_TIME 1352 1353 /* 1354 * Check for required but missing definitions. 1355 */ 1356 #if !defined(HAS_FCNTL_LOCK) && !defined(HAS_FLOCK_LOCK) 1357 #error "define HAS_FCNTL_LOCK and/or HAS_FLOCK_LOCK" 1358 #endif 1359 1360 #if !defined(DEF_MAILBOX_LOCK) 1361 #error "define DEF_MAILBOX_LOCK" 1362 #endif 1363 1364 #if !defined(INTERNAL_LOCK) 1365 #error "define INTERNAL_LOCK" 1366 #endif 1367 1368 #if defined(USE_STATFS) && defined(USE_STATVFS) 1369 #error "define USE_STATFS or USE_STATVFS, not both" 1370 #endif 1371 1372 #if !defined(USE_STATFS) && !defined(USE_STATVFS) 1373 #error "define USE_STATFS or USE_STATVFS" 1374 #endif 1375 1376 /* 1377 * Defaults for systems that pre-date IPv6 support. 1378 */ 1379 #ifndef __NetBSD__ 1380 #ifndef HAS_IPV6 1381 #include <sys/socket.h> 1382 #define EMULATE_IPV4_ADDRINFO 1383 #define MISSING_INET_PTON 1384 #define MISSING_INET_NTOP 1385 extern const char *inet_ntop(int, const void *, char *, SOCKADDR_SIZE); 1386 extern int inet_pton(int, const char *, void *); 1387 1388 #endif 1389 #endif 1390 1391 /* 1392 * Workaround: after a watchdog alarm signal, wake up from select/poll/etc. 1393 * by writing to a pipe. Solaris needs this, and HP-UX apparently, too. The 1394 * run-time cost is negligible so we just turn it on for all systems. As a 1395 * side benefit, making this code system-independent will simplify the 1396 * detection of bit-rot problems. 1397 */ 1398 #ifndef NO_WATCHDOG_PIPE 1399 #define USE_WATCHDOG_PIPE 1400 #endif 1401 1402 /* 1403 * If we don't have defined a preferred random device above, but the system 1404 * has /dev/urandom, then we use that. 1405 */ 1406 #if !defined(PREFERRED_RAND_SOURCE) && defined(HAS_DEV_URANDOM) 1407 #define PREFERRED_RAND_SOURCE "dev:/dev/urandom" 1408 #endif 1409 1410 /* 1411 * Defaults for systems without kqueue, /dev/poll or epoll support. 1412 * master/multi-server.c and *qmgr/qmgr_transport.c depend on this. 1413 */ 1414 #if !defined(EVENTS_STYLE) 1415 #define EVENTS_STYLE EVENTS_STYLE_SELECT 1416 #endif 1417 1418 #define EVENTS_STYLE_SELECT 1 /* Traditional BSD select */ 1419 #define EVENTS_STYLE_KQUEUE 2 /* FreeBSD kqueue */ 1420 #define EVENTS_STYLE_DEVPOLL 3 /* Solaris /dev/poll */ 1421 #define EVENTS_STYLE_EPOLL 4 /* Linux epoll */ 1422 1423 /* 1424 * We use poll() for read/write time limit enforcement on modern systems. We 1425 * use select() on historical systems without poll() support. And on systems 1426 * where poll() is not implemented for some file handle types, we try to use 1427 * select() as a fall-back solution (MacOS X needs this). 1428 */ 1429 #if !defined(USE_SYSV_POLL) && !defined(USE_SYSV_POLL_THEN_SELECT) 1430 #define USE_BSD_SELECT 1431 #endif 1432 1433 /* 1434 * The Postfix 2.9 post-install workaround assumes that the inet_protocols 1435 * default value is "ipv4" when Postfix is compiled without IPv6 support. 1436 */ 1437 #ifndef DEF_INET_PROTOCOLS 1438 #ifdef HAS_IPV6 1439 #define DEF_INET_PROTOCOLS INET_PROTO_NAME_ALL 1440 #else 1441 #define DEF_INET_PROTOCOLS INET_PROTO_NAME_IPV4 1442 #endif 1443 #endif 1444 1445 /* 1446 * Defaults for systems that pre-date POSIX socklen_t. 1447 */ 1448 #ifndef SOCKADDR_SIZE 1449 #define SOCKADDR_SIZE int 1450 #endif 1451 1452 #ifndef SOCKOPT_SIZE 1453 #define SOCKOPT_SIZE int 1454 #endif 1455 1456 /* 1457 * Defaults for normal systems. 1458 */ 1459 #ifndef LOCAL_LISTEN 1460 #define LOCAL_LISTEN unix_listen 1461 #define LOCAL_ACCEPT unix_accept 1462 #define LOCAL_CONNECT unix_connect 1463 #define LOCAL_TRIGGER unix_trigger 1464 #define LOCAL_SEND_FD unix_send_fd 1465 #define LOCAL_RECV_FD unix_recv_fd 1466 #endif 1467 1468 #if !defined (HAVE_SYS_NDIR_H) && !defined (HAVE_SYS_DIR_H) \ 1469 && !defined (HAVE_NDIR_H) 1470 #define HAVE_DIRENT_H 1471 #endif 1472 1473 #ifndef WAIT_STATUS_T 1474 typedef int WAIT_STATUS_T; 1475 1476 #define NORMAL_EXIT_STATUS(status) ((status) == 0) 1477 #endif 1478 1479 #ifdef NO_POSIX_GETPW_R 1480 #undef HAVE_POSIX_GETPW_R 1481 #endif 1482 1483 #ifdef NO_CLOSEFROM 1484 #undef HAS_CLOSEFROM 1485 #endif 1486 1487 #ifdef NO_DB 1488 #undef HAS_DB 1489 #endif 1490 1491 #ifndef OCTAL_TO_UNSIGNED 1492 #define OCTAL_TO_UNSIGNED(res, str) ((res) = strtoul((str), (char **) 0, 8)) 1493 #endif 1494 1495 /* 1496 * Avoid useless type mis-matches when using sizeof in an integer context. 1497 */ 1498 #define INT_SIZEOF(foo) ((int) sizeof(foo)) 1499 1500 /* 1501 * Turn on the compatibility stuff. 1502 */ 1503 #ifdef MISSING_UTIMBUF 1504 struct utimbuf { 1505 time_t actime; 1506 time_t modtime; 1507 }; 1508 1509 #endif 1510 1511 #ifdef MISSING_STRERROR 1512 extern const char *strerror(int); 1513 1514 #endif 1515 1516 #if defined (MISSING_SETENV) || defined (MISSING_SETENV_PUTENV) 1517 extern int setenv(const char *, const char *, int); 1518 1519 #endif 1520 1521 #ifdef MISSING_SETEUID 1522 extern int seteuid(uid_t euid); 1523 1524 #endif 1525 1526 #ifdef MISSING_SETEGID 1527 extern int setegid(gid_t egid); 1528 1529 #endif 1530 1531 #ifdef MISSING_MKFIFO 1532 extern int mkfifo(char *, int); 1533 1534 #endif 1535 1536 #ifdef MISSING_WAITPID 1537 extern int waitpid(int, WAIT_STATUS_T *status, int options); 1538 1539 #endif 1540 1541 #ifdef MISSING_SETSID 1542 extern int setsid(void); 1543 1544 #endif 1545 1546 #ifndef HAS_CLOSEFROM 1547 extern void closefrom(int); 1548 1549 #endif 1550 1551 #ifdef MISSING_STD_FILENOS 1552 #define STDIN_FILENO 0 1553 #define STDOUT_FILENO 1 1554 #define STDERR_FILENO 2 1555 #endif 1556 1557 #ifdef MISSING_PID_T 1558 typedef int pid_t; 1559 1560 #endif 1561 1562 #ifdef MISSING_POSIX_S_IS 1563 #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK)) 1564 #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR)) 1565 #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR)) 1566 #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK)) 1567 #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO)) 1568 #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG)) 1569 #define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK)) 1570 #endif 1571 1572 #ifdef MISSING_POSIX_S_MODES 1573 #define S_IRUSR _S_IRUSR 1574 #define S_IRGRP 0000040 1575 #define S_IROTH 0000004 1576 #define S_IWUSR _S_IWUSR 1577 #define S_IWGRP 0000020 1578 #define S_IWOTH 0000002 1579 #define S_IXUSR _S_IXUSR 1580 #define S_IXGRP 0000010 1581 #define S_IXOTH 0000001 1582 #define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR) 1583 #endif 1584 1585 /* 1586 * Memory alignment of memory allocator results. By default we align for 1587 * doubles. 1588 */ 1589 #ifndef ALIGN_TYPE 1590 #if defined(__hpux) && defined(__ia64) 1591 #define ALIGN_TYPE __float80 1592 #elif defined(__ia64__) 1593 #define ALIGN_TYPE long double 1594 #else 1595 #define ALIGN_TYPE double 1596 #endif 1597 #endif 1598 1599 /* 1600 * Clang-style attribute tests. 1601 * 1602 * XXX Without the unconditional test below, gcc 4.6 will barf on ``elif 1603 * defined(__clang__) && __has_attribute(__whatever__)'' with error message 1604 * ``missing binary operator before token "("''. 1605 */ 1606 #ifndef __has_attribute 1607 #define __has_attribute(x) 0 1608 #endif /* __has_attribute */ 1609 1610 /* 1611 * Need to specify what functions never return, so that the compiler can 1612 * warn for missing initializations and other trouble. However, OPENSTEP4 1613 * gcc 2.7.x cannot handle this so we define this only if NORETURN isn't 1614 * already defined above. 1615 * 1616 * Data point: gcc 2.7.2 has __attribute__ (Wietse Venema) but gcc 2.6.3 does 1617 * not (Clive Jones). So we'll set the threshold at 2.7. 1618 */ 1619 #ifndef NORETURN 1620 #if (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) || __GNUC__ >= 3 1621 #define NORETURN void __attribute__((__noreturn__)) 1622 #elif defined(__clang__) && __has_attribute(__noreturn__) 1623 #define NORETURN void __attribute__((__noreturn__)) 1624 #else 1625 #define NORETURN void 1626 #endif 1627 #endif /* NORETURN */ 1628 1629 /* 1630 * Turn on format string argument checking. This is more accurate than 1631 * printfck, but it misses #ifdef-ed code. XXX I am just guessing at what 1632 * gcc versions support this. In order to turn this off for some platforms, 1633 * specify #define PRINTFLIKE and #define SCANFLIKE in the system-dependent 1634 * sections above. 1635 */ 1636 #ifndef PRINTFLIKE 1637 #if (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) || __GNUC__ >= 3 1638 #define PRINTFLIKE(x,y) __attribute__ ((format (printf, (x), (y)))) 1639 #elif defined(__clang__) && __has_attribute(__format__) 1640 #define PRINTFLIKE(x,y) __attribute__ ((__format__ (__printf__, (x), (y)))) 1641 #else 1642 #define PRINTFLIKE(x,y) 1643 #endif 1644 #endif /* PRINTFLIKE */ 1645 1646 #ifndef SCANFLIKE 1647 #if (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) || __GNUC__ >= 3 1648 #define SCANFLIKE(x,y) __attribute__ ((format (scanf, (x), (y)))) 1649 #elif defined(__clang__) && __has_attribute(__format__) 1650 #define SCANFLIKE(x,y) __attribute__ ((__format__ (__scanf__, (x), (y)))) 1651 #else 1652 #define SCANFLIKE(x,y) 1653 #endif 1654 #endif /* SCANFLIKE */ 1655 1656 /* 1657 * Some gcc implementations don't grok these attributes with pointer to 1658 * function. Again, wild guess of what is supported. To override, specify 1659 * #define PRINTFPTRLIKE in the system-dependent sections above. 1660 */ 1661 #ifndef PRINTFPTRLIKE 1662 #if (__GNUC__ >= 3) /* XXX Rough estimate */ 1663 #define PRINTFPTRLIKE(x,y) PRINTFLIKE(x,y) 1664 #elif defined(__clang__) && __has_attribute(__format__) 1665 #define PRINTFPTRLIKE(x,y) __attribute__ ((__format__ (__printf__, (x), (y)))) 1666 #else 1667 #define PRINTFPTRLIKE(x,y) 1668 #endif 1669 #endif 1670 1671 /* 1672 * Compiler optimization hint. This makes sense only for code in a 1673 * performance-critical loop. 1674 */ 1675 #ifndef EXPECTED 1676 #if defined(__GNUC__) && (__GNUC__ > 2) 1677 #define EXPECTED(x) __builtin_expect(!!(x), 1) 1678 #define UNEXPECTED(x) __builtin_expect(!!(x), 0) 1679 #else 1680 #define EXPECTED(x) (x) 1681 #define UNEXPECTED(x) (x) 1682 #endif 1683 #endif 1684 1685 /* 1686 * Warn about ignored function result values that must never be ignored. 1687 * Typically, this is for error results from "read" functions that normally 1688 * write to output parameters (for example, stat- or scanf-like functions) 1689 * or from functions that have other useful side effects (for example, 1690 * fseek- or rename-like functions). 1691 * 1692 * DO NOT use this for functions that write to a stream; it is entirely 1693 * legitimate to detect write errors with fflush() or fclose() only. On the 1694 * other hand most (but not all) functions that read from a stream must 1695 * never ignore result values. 1696 * 1697 * XXX Prepending "(void)" won't shut up GCC. Clang behaves as expected. 1698 */ 1699 #if ((__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || __GNUC__ > 3) 1700 #define WARN_UNUSED_RESULT __attribute__((warn_unused_result)) 1701 #elif defined(__clang__) && __has_attribute(warn_unused_result) 1702 #define WARN_UNUSED_RESULT __attribute__((warn_unused_result)) 1703 #else 1704 #define WARN_UNUSED_RESULT 1705 #endif 1706 1707 /* 1708 * ISO C says that the "volatile" qualifier protects against optimizations 1709 * that cause longjmp() to clobber local variables. 1710 */ 1711 #ifndef NOCLOBBER 1712 #define NOCLOBBER volatile 1713 #endif 1714 1715 /* 1716 * Bit banging!! There is no official constant that defines the INT_MAX 1717 * equivalent for off_t, ssize_t, etc. Wietse came up with the following 1718 * macro that works as long as off_t, ssize_t, etc. use one's or two's 1719 * complement logic (that is, the maximum value is binary 01...1). Don't use 1720 * right-shift for signed types: the result is implementation-defined. 1721 */ 1722 #include <limits.h> 1723 #define __MAXINT__(T) ((T) ~(((T) 1) << ((sizeof(T) * CHAR_BIT) - 1))) 1724 #ifndef OFF_T_MAX 1725 #define OFF_T_MAX __MAXINT__(off_t) 1726 #endif 1727 1728 #ifndef SSIZE_T_MAX 1729 #define SSIZE_T_MAX __MAXINT__(ssize_t) 1730 #endif 1731 1732 /* 1733 * Consistent enforcement of size limits. 1734 */ 1735 #define ENFORCING_SIZE_LIMIT(param) ((param) > 0) 1736 1737 /* 1738 * Don't mix socket message send/receive calls with socket stream read/write 1739 * calls. The fact that you can get away with it only on some stacks implies 1740 * that there is no long-term guarantee. 1741 */ 1742 #ifndef CAN_WRITE_BEFORE_SENDING_FD 1743 #define CANT_WRITE_BEFORE_SENDING_FD 1744 #endif 1745 1746 /* 1747 * FreeBSD sendmsg(2) says that after sending a file descriptor, the sender 1748 * must not immediately close the descriptor, otherwise it may close the 1749 * descriptor before it is actually sent. 1750 */ 1751 #ifndef DONT_WAIT_AFTER_SENDING_FD 1752 #define MUST_READ_AFTER_SENDING_FD 1753 #endif 1754 1755 /* 1756 * Hope for the best. 1757 */ 1758 #ifndef UINT32_TYPE 1759 #define UINT32_TYPE uint32_t 1760 #define UINT16_TYPE uint16_t 1761 #endif 1762 #define UINT32_SIZE 4 1763 #define UINT16_SIZE 2 1764 1765 /* 1766 * For the sake of clarity. 1767 */ 1768 #ifndef HAVE_CONST_CHAR_STAR 1769 typedef const char *CONST_CHAR_STAR; 1770 1771 #endif 1772 1773 /* 1774 * Safety. On some systems, ctype.h misbehaves with non-ASCII or negative 1775 * characters. More importantly, Postfix uses the ISXXX() macros to ensure 1776 * protocol compliance, so we have to rule out non-ASCII characters. 1777 * 1778 * XXX The (unsigned char) casts in isalnum() etc arguments are unnecessary 1779 * because the ISASCII() guard already ensures that the values are 1780 * non-negative; the casts are done anyway to shut up chatty compilers. 1781 */ 1782 #define ISASCII(c) isascii(_UCHAR_(c)) 1783 #define _UCHAR_(c) ((unsigned char)(c)) 1784 #define ISALNUM(c) (ISASCII(c) && isalnum((unsigned char)(c))) 1785 #define ISALPHA(c) (ISASCII(c) && isalpha((unsigned char)(c))) 1786 #define ISCNTRL(c) (ISASCII(c) && iscntrl((unsigned char)(c))) 1787 #define ISDIGIT(c) (ISASCII(c) && isdigit((unsigned char)(c))) 1788 #define ISGRAPH(c) (ISASCII(c) && isgraph((unsigned char)(c))) 1789 #define ISLOWER(c) (ISASCII(c) && islower((unsigned char)(c))) 1790 #define ISPRINT(c) (ISASCII(c) && isprint((unsigned char)(c))) 1791 #define ISPUNCT(c) (ISASCII(c) && ispunct((unsigned char)(c))) 1792 #define ISSPACE(c) (ISASCII(c) && isspace((unsigned char)(c))) 1793 #define ISUPPER(c) (ISASCII(c) && isupper((unsigned char)(c))) 1794 #define TOLOWER(c) (ISUPPER(c) ? tolower((unsigned char)(c)) : (c)) 1795 #define TOUPPER(c) (ISLOWER(c) ? toupper((unsigned char)(c)) : (c)) 1796 1797 /* 1798 * Character sets for parsing. 1799 */ 1800 #define CHARS_COMMA_SP ", \t\r\n" /* list separator */ 1801 #define CHARS_SPACE " \t\r\n" /* word separator */ 1802 #define CHARS_BRACE "{}" /* grouping */ 1803 1804 /* 1805 * Scaffolding. I don't want to lose messages while the program is under 1806 * development. 1807 */ 1808 extern int REMOVE(const char *); 1809 1810 /* 1811 * Which bool? 1812 */ 1813 #ifndef NO_STDBOOL 1814 #include <stdbool.h> 1815 #else 1816 typedef int bool; 1817 1818 #endif 1819 1820 /* LICENSE 1821 /* .ad 1822 /* .fi 1823 /* The Secure Mailer license must be distributed with this software. 1824 /* AUTHOR(S) 1825 /* Wietse Venema 1826 /* IBM T.J. Watson Research 1827 /* P.O. Box 704 1828 /* Yorktown Heights, NY 10598, USA 1829 /* 1830 /* Wietse Venema 1831 /* Google, Inc. 1832 /* 111 8th Avenue 1833 /* New York, NY 10011, USA 1834 /*--*/ 1835 1836 #endif 1837
Indexes created Wed Jun 10 00:26:05 UTC 2026