1 /* $NetBSD: compat_defs.h,v 1.65 2007/10/30 20:23:35 tls Exp $ */ 2 3 #ifndef __NETBSD_COMPAT_DEFS_H__ 4 #define __NETBSD_COMPAT_DEFS_H__ 5 6 7 /* Work around some complete brain damage. */ 8 /* 9 * Linux: <features.h> turns on _POSIX_SOURCE by default, even though the 10 * program (not the OS) should do that. Preload <features.h> to keep any 11 * of this crap from being pulled in, and undefine _POSIX_SOURCE. 12 */ 13 14 #if defined(__linux__) && HAVE_FEATURES_H 15 #include <features.h> 16 #endif 17 18 /* So _NETBSD_SOURCE doesn't end up defined. Define enough to pull in standard 19 defs. Other platforms may need similiar defines. */ 20 #ifdef __NetBSD__ 21 #define _ISOC99_SOURCE 22 #define _POSIX_SOURCE 1 23 #define _POSIX_C_SOURCE 200112L 24 #define _XOPEN_SOURCE 600 25 #else 26 #undef _POSIX_SOURCE 27 #undef _POSIX_C_SOURCE 28 #endif 29 30 /* System headers needed for (re)definitions below. */ 31 32 #include <sys/types.h> 33 #include <sys/mman.h> 34 #include <sys/param.h> 35 /* time.h needs to be pulled in first at least on netbsd w/o _NETBSD_SOURCE */ 36 #include <sys/time.h> 37 #include <sys/stat.h> 38 #include <errno.h> 39 #include <fcntl.h> 40 #include <grp.h> 41 #include <limits.h> 42 #include <paths.h> 43 #include <stdarg.h> 44 #include <stdio.h> 45 #include <stdlib.h> 46 #include <string.h> 47 48 #if HAVE_SYS_CDEFS_H 49 #include <sys/cdefs.h> 50 #endif 51 #if HAVE_SYS_SYSLIMITS_H 52 #include <sys/syslimits.h> 53 #endif 54 #if HAVE_SYS_SYSMACROS_H 55 /* major(), minor() on SVR4 */ 56 #include <sys/sysmacros.h> 57 #endif 58 #if HAVE_INTTYPES_H 59 #include <inttypes.h> 60 #endif 61 #if HAVE_STDDEF_H 62 #include <stddef.h> 63 #endif 64 65 #ifdef _NETBSD_SOURCE 66 #error _NETBSD_SOURCE is *not* to be defined. 67 #endif 68 69 /* Need this since we can't depend on NetBSD's version to be around */ 70 #ifdef __UNCONST 71 #undef __UNCONST 72 #endif 73 #define __UNCONST(a) ((void *)(unsigned long)(const void *)(a)) 74 75 /* We don't include <pwd.h> here, so that "compat_pwd.h" works. */ 76 struct passwd; 77 78 /* Assume an ANSI compiler for the host. */ 79 80 #undef __P 81 #define __P(x) x 82 83 #ifndef __BEGIN_DECLS 84 #define __BEGIN_DECLS 85 #endif 86 #ifndef __END_DECLS 87 #define __END_DECLS 88 #endif 89 90 /* Some things usually in BSD <sys/cdefs.h>. */ 91 92 #ifndef __CONCAT 93 #define __CONCAT(x,y) x ## y 94 #endif 95 #if !defined(__attribute__) && !defined(__GNUC__) 96 #define __attribute__(x) 97 #endif 98 #if !defined(__packed) 99 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) 100 #define __packed __attribute__((__packed__)) 101 #else 102 #define __packed error: no __packed for this compiler 103 #endif 104 #endif /* !__packed */ 105 #ifndef __RENAME 106 #define __RENAME(x) 107 #endif 108 #undef __aconst 109 #define __aconst 110 #undef __dead 111 #define __dead 112 #undef __restrict 113 #define __restrict 114 #undef __unused 115 #define __unused 116 117 /* Dirent support. */ 118 119 #if HAVE_DIRENT_H 120 # if defined(__linux__) && defined(__USE_BSD) 121 # undef __USE_BSD 122 # include <dirent.h> 123 # define __USE_BSD 1 124 # undef d_fileno 125 # else 126 # include <dirent.h> 127 # if defined(__DARWIN_UNIX03) 128 # undef d_fileno 129 # endif 130 # endif 131 # define NAMLEN(dirent) (strlen((dirent)->d_name)) 132 #else 133 # define dirent direct 134 # define NAMLEN(dirent) ((dirent)->d_namlen) 135 # if HAVE_SYS_NDIR_H 136 # include <sys/ndir.h> 137 # endif 138 # if HAVE_SYS_DIR_H 139 # include <sys/dir.h> 140 # endif 141 # if HAVE_NDIR_H 142 # include <ndir.h> 143 # endif 144 #endif 145 146 /* Type substitutes. */ 147 148 #if !HAVE_ID_T 149 typedef unsigned int id_t; 150 #endif 151 152 #if !HAVE_SOCKLEN_T 153 typedef int socklen_t; 154 #endif 155 156 #if !HAVE_U_LONG 157 typedef unsigned long u_long; 158 #endif 159 160 #if !HAVE_U_CHAR 161 typedef unsigned char u_char; 162 #endif 163 164 #if !HAVE_U_INT 165 typedef unsigned int u_int; 166 #endif 167 168 #if !HAVE_U_SHORT 169 typedef unsigned short u_short; 170 #endif 171 172 /* Prototypes for replacement functions. */ 173 174 #if !HAVE_ATOLL 175 long long int atoll(const char *); 176 #endif 177 178 #if !HAVE_ASPRINTF 179 int asprintf(char **, const char *, ...); 180 #endif 181 182 #if !HAVE_ASNPRINTF 183 int asnprintf(char **, size_t, const char *, ...); 184 #endif 185 186 #if !HAVE_BASENAME 187 char *basename(char *); 188 #endif 189 190 #if !HAVE_DECL_OPTIND 191 int getopt(int, char *const *, const char *); 192 extern char *optarg; 193 extern int optind, opterr, optopt; 194 #endif 195 196 #if !HAVE_DIRNAME 197 char *dirname(char *); 198 #endif 199 200 #if !HAVE_DIRFD 201 #if HAVE_DIR_DD_FD 202 #define dirfd(dirp) ((dirp)->dd_fd) 203 #elif HAVE_DIR___DD_FD 204 #define dirfd(dirp) ((dirp)->__dd_fd) 205 #else 206 /*XXX: Very hacky but no other way to bring this into scope w/o defining 207 _NETBSD_SOURCE which we're avoiding. */ 208 #ifdef __NetBSD__ 209 struct _dirdesc { 210 int dd_fd; /* file descriptor associated with directory */ 211 long dd_loc; /* offset in current buffer */ 212 long dd_size; /* amount of data returned by getdents */ 213 char *dd_buf; /* data buffer */ 214 int dd_len; /* size of data buffer */ 215 off_t dd_seek; /* magic cookie returned by getdents */ 216 long dd_rewind; /* magic cookie for rewinding */ 217 int dd_flags; /* flags for readdir */ 218 void *dd_lock; /* lock for concurrent access */ 219 }; 220 #define dirfd(dirp) (((struct _dirdesc *)dirp)->dd_fd) 221 #else 222 #error cannot figure out how to turn a DIR * into a fd 223 #endif 224 #endif 225 #endif 226 227 #if !HAVE_ERR_H 228 void err(int, const char *, ...); 229 void errx(int, const char *, ...); 230 void warn(const char *, ...); 231 void warnx(const char *, ...); 232 #endif 233 234 #if !HAVE_ESETFUNC 235 void (*esetfunc(void (*)(int, const char *, ...)))(int, const char *, ...); 236 size_t estrlcpy(char *, const char *, size_t); 237 size_t estrlcat(char *, const char *, size_t); 238 char *estrdup(const char *); 239 char *estrndup(const char *, size_t); 240 void *ecalloc(size_t, size_t); 241 void *emalloc(size_t); 242 void *erealloc(void *, size_t); 243 FILE *efopen(const char *, const char *); 244 int easprintf(char **, const char *, ...); 245 int evasprintf(char **, const char *, va_list); 246 #endif 247 248 #if !HAVE_FGETLN || defined(__NetBSD__) 249 char *fgetln(FILE *, size_t *); 250 #endif 251 252 #if !HAVE_FLOCK 253 # define LOCK_SH 0x01 254 # define LOCK_EX 0x02 255 # define LOCK_NB 0x04 256 # define LOCK_UN 0x08 257 int flock(int, int); 258 #endif 259 260 #if !HAVE_FPARSELN || defined(__NetBSD__) 261 # define FPARSELN_UNESCESC 0x01 262 # define FPARSELN_UNESCCONT 0x02 263 # define FPARSELN_UNESCCOMM 0x04 264 # define FPARSELN_UNESCREST 0x08 265 # define FPARSELN_UNESCALL 0x0f 266 char *fparseln(FILE *, size_t *, size_t *, const char [3], int); 267 #endif 268 269 #if !HAVE_ISSETUGID 270 int issetugid(void); 271 #endif 272 273 #if !HAVE_ISBLANK && !defined(isblank) 274 #define isblank(x) ((x) == ' ' || (x) == '\t') 275 #endif 276 277 #define __nbcompat_bswap16(x) ((((x) << 8) & 0xff00) | (((x) >> 8) & 0x00ff)) 278 279 #define __nbcompat_bswap32(x) ((((x) << 24) & 0xff000000) | \ 280 (((x) << 8) & 0x00ff0000) | \ 281 (((x) >> 8) & 0x0000ff00) | \ 282 (((x) >> 24) & 0x000000ff)) 283 284 #define __nbcompat_bswap64(x) (((u_int64_t)bswap32((x)) << 32) | \ 285 ((u_int64_t)bswap32((x) >> 32))) 286 287 #if ! HAVE_DECL_BSWAP16 288 #ifdef bswap16 289 #undef bswap16 290 #endif 291 #define bswap16(x) __nbcompat_bswap16(x) 292 #endif 293 #if ! HAVE_DECL_BSWAP32 294 #ifdef bswap32 295 #undef bswap32 296 #endif 297 #define bswap32(x) __nbcompat_bswap32(x) 298 #endif 299 #if ! HAVE_DECL_BSWAP64 300 #ifdef bswap64 301 #undef bswap64 302 #endif 303 #define bswap64(x) __nbcompat_bswap64(x) 304 #endif 305 306 #if !HAVE_MKSTEMP 307 int mkstemp(char *); 308 #endif 309 310 #if !HAVE_MKDTEMP 311 char *mkdtemp(char *); 312 #endif 313 314 #if !HAVE_MKSTEMP || !HAVE_MKDTEMP 315 /* This is a prototype for the internal function. */ 316 int gettemp(char *, int *, int); 317 #endif 318 319 #if !HAVE_PREAD 320 ssize_t pread(int, void *, size_t, off_t); 321 #endif 322 323 #if !HAVE_HEAPSORT 324 int heapsort (void *, size_t, size_t, int (*)(const void *, const void *)); 325 #endif 326 /* Make them use our version */ 327 # define heapsort __nbcompat_heapsort 328 329 /* 330 * HAVE_X_FROM_Y and HAVE_PWCACHE_FOODB go together, because we cannot 331 * supply an implementation of one without the others -- some parts are 332 * libc internal and this varies from system to system. 333 * 334 * XXX this is dubious anyway: we assume (see HAVE_DECLs below) that if the 335 * XXX host system has all of these functions, all of their interfaces 336 * XXX and interactions are exactly the same as in our libc/libutil -- ugh. 337 */ 338 #if !HAVE_USER_FROM_UID || !HAVE_UID_FROM_USER || !HAVE_GROUP_FROM_GID || \ 339 !HAVE_GID_FROM_GROUP || !HAVE_PWCACHE_USERDB || !HAVE_PWCACHE_GROUDB 340 /* Make them use our version */ 341 # define user_from_uid __nbcompat_user_from_uid 342 # define uid_from_user __nbcompat_uid_from_user 343 # define pwcache_userdb __nbcompat_pwcache_userdb 344 # define group_from_gid __nbcompat_group_from_gid 345 # define gid_from_group __nbcompat_gid_from_group 346 # define pwcache_groupdb __nbcompat_pwcache_groupdb 347 #endif 348 349 #if !HAVE_DECL_UID_FROM_USER 350 int uid_from_user(const char *, uid_t *); 351 #endif 352 #if !HAVE_DECL_USER_FROM_UID 353 const char *user_from_uid(uid_t, int); 354 #endif 355 #if !HAVE_DECL_PWCACHE_USERDB 356 int pwcache_userdb(int (*)(int), void (*)(void), 357 struct passwd * (*)(const char *), struct passwd * (*)(uid_t)); 358 #endif 359 #if !HAVE_DECL_GID_FROM_GROUP 360 int gid_from_group(const char *, gid_t *); 361 #endif 362 #if !HAVE_DECL_GROUP_FROM_GID 363 const char *group_from_gid(gid_t, int); 364 #endif 365 #if !HAVE_DECL_PWCACHE_GROUPDB 366 int pwcache_groupdb(int (*)(int), void (*)(void), 367 struct group * (*)(const char *), struct group * (*)(gid_t)); 368 #endif 369 370 #if !HAVE_DECL_STRNDUP 371 char *strndup(const char *, size_t); 372 #endif 373 #if !HAVE_DECL_LCHFLAGS 374 int lchflags(const char *, unsigned long); 375 #endif 376 #if !HAVE_DECL_LCHMOD 377 int lchmod(const char *, mode_t); 378 #endif 379 #if !HAVE_DECL_LCHOWN 380 int lchown(const char *, uid_t, gid_t); 381 #endif 382 383 #if !HAVE_PWRITE 384 ssize_t pwrite(int, const void *, size_t, off_t); 385 #endif 386 387 #if !HAVE_RAISE_DEFAULT_SIGNAL 388 int raise_default_signal(int); 389 #endif 390 391 #if !HAVE_SETENV 392 int setenv(const char *, const char *, int); 393 #endif 394 395 #if !HAVE_DECL_SETGROUPENT 396 int setgroupent(int); 397 #endif 398 399 #if !HAVE_DECL_SETPASSENT 400 int setpassent(int); 401 #endif 402 403 #if !HAVE_SETPROGNAME || defined(__NetBSD__) 404 const char *getprogname(void); 405 void setprogname(const char *); 406 #endif 407 408 #if !HAVE_SNPRINTF 409 int snprintf(char *, size_t, const char *, ...); 410 #endif 411 412 #if !HAVE_STRLCAT 413 size_t strlcat(char *, const char *, size_t); 414 #endif 415 416 #if !HAVE_STRLCPY 417 size_t strlcpy(char *, const char *, size_t); 418 #endif 419 420 #if !HAVE_STRMODE 421 void strmode(mode_t, char *); 422 #endif 423 424 #if !HAVE_STRNDUP 425 char *strndup(const char *, size_t); 426 #endif 427 428 #if !HAVE_STRSEP || defined(__NetBSD__) 429 char *strsep(char **, const char *); 430 #endif 431 432 #if !HAVE_DECL_STRSUFTOLL 433 long long strsuftoll(const char *, const char *, long long, long long); 434 long long strsuftollx(const char *, const char *, 435 long long, long long, char *, size_t); 436 #endif 437 438 #if !HAVE_STRTOLL 439 long long strtoll(const char *, char **, int); 440 #endif 441 442 #if !HAVE_USER_FROM_UID 443 const char *user_from_uid(uid_t, int); 444 #endif 445 446 #if !HAVE_GROUP_FROM_GID 447 const char *group_from_gid(gid_t, int); 448 #endif 449 450 #if !HAVE_VASPRINTF 451 int vasprintf(char **, const char *, va_list); 452 #endif 453 454 #if !HAVE_VASNPRINTF 455 int vasnprintf(char **, size_t, const char *, va_list); 456 #endif 457 458 #if !HAVE_VSNPRINTF 459 int vsnprintf(char *, size_t, const char *, va_list); 460 #endif 461 462 /* 463 * getmode() and setmode() are always defined, as these function names 464 * exist but with very different meanings on other OS's. The compat 465 * versions here simply accept an octal mode number; the "u+x,g-w" type 466 * of syntax is not accepted. 467 */ 468 469 #define getmode __nbcompat_getmode 470 #define setmode __nbcompat_setmode 471 472 mode_t getmode(const void *, mode_t); 473 void *setmode(const char *); 474 475 /* Eliminate assertions embedded in binaries. */ 476 477 #undef _DIAGASSERT 478 #define _DIAGASSERT(x) 479 480 /* Various sources use this */ 481 #undef __RCSID 482 #define __RCSID(x) 483 #undef __SCCSID 484 #define __SCCSID(x) 485 #undef __COPYRIGHT 486 #define __COPYRIGHT(x) 487 #undef __KERNEL_RCSID 488 #define __KERNEL_RCSID(x,y) 489 490 /* Heimdal expects this one. */ 491 492 #undef RCSID 493 #define RCSID(x) 494 495 /* Some definitions not available on all systems. */ 496 497 /* <errno.h> */ 498 499 #ifndef EFTYPE 500 #define EFTYPE EIO 501 #endif 502 503 /* <fcntl.h> */ 504 505 #ifndef O_EXLOCK 506 #define O_EXLOCK 0 507 #endif 508 #ifndef O_SHLOCK 509 #define O_SHLOCK 0 510 #endif 511 512 /* <limits.h> */ 513 514 #ifndef UID_MAX 515 #define UID_MAX 32767 516 #endif 517 #ifndef GID_MAX 518 #define GID_MAX UID_MAX 519 #endif 520 521 #ifndef UQUAD_MAX 522 #define UQUAD_MAX ((u_quad_t)-1) 523 #endif 524 #ifndef QUAD_MAX 525 #define QUAD_MAX ((quad_t)(UQUAD_MAX >> 1)) 526 #endif 527 #ifndef QUAD_MIN 528 #define QUAD_MIN ((quad_t)(~QUAD_MAX)) 529 #endif 530 #ifndef ULLONG_MAX 531 #define ULLONG_MAX ((unsigned long long)-1) 532 #endif 533 #ifndef LLONG_MAX 534 #define LLONG_MAX ((long long)(ULLONG_MAX >> 1)) 535 #endif 536 #ifndef LLONG_MIN 537 #define LLONG_MIN ((long long)(~LLONG_MAX)) 538 #endif 539 540 /* <paths.h> */ 541 542 /* The host's _PATH_BSHELL might be broken, so override it. */ 543 #undef _PATH_BSHELL 544 #define _PATH_BSHELL PATH_BSHELL 545 #ifndef _PATH_DEFPATH 546 #define _PATH_DEFPATH "/usr/bin:/bin:/usr/local/bin" 547 #endif 548 #ifndef _PATH_DEV 549 #define _PATH_DEV "/dev/" 550 #endif 551 #ifndef _PATH_DEVNULL 552 #define _PATH_DEVNULL _PATH_DEV "null" 553 #endif 554 #ifndef _PATH_TMP 555 #define _PATH_TMP "/tmp/" 556 #endif 557 #ifndef _PATH_DEFTAPE 558 #define _PATH_DEFTAPE "/dev/nrst0" 559 #endif 560 #ifndef _PATH_VI 561 #define _PATH_VI "/usr/bin/vi" 562 #endif 563 564 /* <stdarg.h> */ 565 566 #ifndef _BSD_VA_LIST_ 567 #define _BSD_VA_LIST_ va_list 568 #endif 569 570 /* <stdint.h> */ 571 572 #if !defined(SIZE_MAX) && defined(SIZE_T_MAX) 573 #define SIZE_MAX SIZE_T_MAX 574 #endif 575 576 #ifndef UINT8_MAX 577 #define UINT8_MAX 0xffU 578 #endif 579 580 #ifndef UINT16_MAX 581 #define UINT16_MAX 0xffffU 582 #endif 583 584 #ifndef UINT32_MAX 585 #define UINT32_MAX 0xffffffffU 586 #endif 587 588 /* <stdlib.h> */ 589 590 #ifndef __GNUC__ 591 # if HAVE_ALLOCA_H 592 # include <alloca.h> 593 # else 594 # ifndef alloca /* predefined by HP cc +Olibcalls */ 595 char *alloca (); 596 # endif 597 # endif 598 #endif 599 600 /* avoid prototype conflicts with host */ 601 #define cgetcap __nbcompat_cgetcap 602 #define cgetclose __nbcompat_cgetclose 603 #define cgetent __nbcompat_cgetent 604 #define cgetfirst __nbcompat_cgetfirst 605 #define cgetmatch __nbcompat_cgetmatch 606 #define cgetnext __nbcompat_cgetnext 607 #define cgetnum __nbcompat_cgetnum 608 #define cgetset __nbcompat_cgetset 609 #define cgetstr __nbcompat_cgetstr 610 #define cgetustr __nbcompat_cgetustr 611 612 char *cgetcap(char *, const char *, int); 613 int cgetclose(void); 614 int cgetent(char **, const char * const *, const char *); 615 int cgetfirst(char **, const char * const *); 616 int cgetmatch(const char *, const char *); 617 int cgetnext(char **, const char * const *); 618 int cgetnum(char *, const char *, long *); 619 int cgetset(const char *); 620 int cgetstr(char *, const char *, char **); 621 int cgetustr(char *, const char *, char **); 622 623 /* <sys/endian.h> */ 624 625 #if WORDS_BIGENDIAN 626 #if !HAVE_DECL_HTOBE16 627 #define htobe16(x) (x) 628 #endif 629 #if !HAVE_DECL_HTOBE32 630 #define htobe32(x) (x) 631 #endif 632 #if !HAVE_DECL_HTOBE64 633 #define htobe64(x) (x) 634 #endif 635 #if !HAVE_DECL_HTOLE16 636 #define htole16(x) bswap16((u_int16_t)(x)) 637 #endif 638 #if !HAVE_DECL_HTOLE32 639 #define htole32(x) bswap32((u_int32_t)(x)) 640 #endif 641 #if !HAVE_DECL_HTOLE64 642 #define htole64(x) bswap64((u_int64_t)(x)) 643 #endif 644 #else 645 #if !HAVE_DECL_HTOBE16 646 #define htobe16(x) bswap16((u_int16_t)(x)) 647 #endif 648 #if !HAVE_DECL_HTOBE32 649 #define htobe32(x) bswap32((u_int32_t)(x)) 650 #endif 651 #if !HAVE_DECL_HTOBE64 652 #define htobe64(x) bswap64((u_int64_t)(x)) 653 #endif 654 #if !HAVE_DECL_HTOLE16 655 #define htole16(x) (x) 656 #endif 657 #if !HAVE_DECL_HTOLE32 658 #define htole32(x) (x) 659 #endif 660 #if !HAVE_DECL_HTOLE64 661 #define htole64(x) (x) 662 #endif 663 #endif 664 #if !HAVE_DECL_BE16TOH 665 #define be16toh(x) htobe16(x) 666 #endif 667 #if !HAVE_DECL_BE32TOH 668 #define be32toh(x) htobe32(x) 669 #endif 670 #if !HAVE_DECL_BE64TOH 671 #define be64toh(x) htobe64(x) 672 #endif 673 #if !HAVE_DECL_LE16TOH 674 #define le16toh(x) htole16(x) 675 #endif 676 #if !HAVE_DECL_LE32TOH 677 #define le32toh(x) htole32(x) 678 #endif 679 #if !HAVE_DECL_LE64TOH 680 #define le64toh(x) htole64(x) 681 #endif 682 683 #define __GEN_ENDIAN_ENC(bits, endian) \ 684 static void \ 685 endian ## bits ## enc(void *dst, uint ## bits ## _t u) \ 686 { \ 687 u = hto ## endian ## bits (u); \ 688 memcpy(dst, &u, sizeof(u)); \ 689 } 690 #if !HAVE_DECL_BE16ENC 691 __GEN_ENDIAN_ENC(16, be) 692 #endif 693 #if !HAVE_DECL_BE32ENC 694 __GEN_ENDIAN_ENC(32, be) 695 #endif 696 #if !HAVE_DECL_BE64ENC 697 __GEN_ENDIAN_ENC(64, be) 698 #endif 699 #if !HAVE_DECL_LE16ENC 700 __GEN_ENDIAN_ENC(16, le) 701 #endif 702 #if !HAVE_DECL_LE32ENC 703 __GEN_ENDIAN_ENC(32, le) 704 #endif 705 #if !HAVE_DECL_LE64ENC 706 __GEN_ENDIAN_ENC(64, le) 707 #endif 708 #undef __GEN_ENDIAN_ENC 709 710 #define __GEN_ENDIAN_DEC(bits, endian) \ 711 static uint ## bits ## _t \ 712 endian ## bits ## dec(const void *buf) \ 713 { \ 714 uint ## bits ## _t u; \ 715 memcpy(&u, buf, sizeof(u)); \ 716 return endian ## bits ## toh (u); \ 717 } 718 #if !HAVE_DECL_BE16DEC 719 __GEN_ENDIAN_DEC(16, be) 720 #endif 721 #if !HAVE_DECL_BE32DEC 722 __GEN_ENDIAN_DEC(32, be) 723 #endif 724 #if !HAVE_DECL_BE64DEC 725 __GEN_ENDIAN_DEC(64, be) 726 #endif 727 #if !HAVE_DECL_LE16DEC 728 __GEN_ENDIAN_DEC(16, le) 729 #endif 730 #if !HAVE_DECL_LE32DEC 731 __GEN_ENDIAN_DEC(32, le) 732 #endif 733 #if !HAVE_DECL_LE64DEC 734 __GEN_ENDIAN_DEC(64, le) 735 #endif 736 #undef __GEN_ENDIAN_DEC 737 738 /* <sys/mman.h> */ 739 740 #ifndef MAP_FILE 741 #define MAP_FILE 0 742 #endif 743 744 /* HP-UX has MAP_ANONYMOUS but not MAP_ANON */ 745 #ifndef MAP_ANON 746 #ifdef MAP_ANONYMOUS 747 #define MAP_ANON MAP_ANONYMOUS 748 #endif 749 #endif 750 751 /* <sys/param.h> */ 752 753 #undef BIG_ENDIAN 754 #undef LITTLE_ENDIAN 755 #define BIG_ENDIAN 4321 756 #define LITTLE_ENDIAN 1234 757 758 #undef BYTE_ORDER 759 #if WORDS_BIGENDIAN 760 #define BYTE_ORDER BIG_ENDIAN 761 #else 762 #define BYTE_ORDER LITTLE_ENDIAN 763 #endif 764 765 #ifndef DEV_BSIZE 766 #define DEV_BSIZE (1 << 9) 767 #endif 768 769 #undef MIN 770 #undef MAX 771 #define MIN(a,b) ((a) < (b) ? (a) : (b)) 772 #define MAX(a,b) ((a) > (b) ? (a) : (b)) 773 774 #ifndef MAXBSIZE 775 #define MAXBSIZE (64 * 1024) 776 #endif 777 #ifndef MAXFRAG 778 #define MAXFRAG 8 779 #endif 780 #ifndef MAXPHYS 781 #define MAXPHYS (64 * 1024) 782 #endif 783 784 /* XXX needed by makefs; this should be done in a better way */ 785 #undef btodb 786 #define btodb(x) ((x) << 9) 787 788 #undef setbit 789 #undef clrbit 790 #undef isset 791 #undef isclr 792 #define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY)) 793 #define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY))) 794 #define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY))) 795 #define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0) 796 797 #ifndef powerof2 798 #define powerof2(x) ((((x)-1)&(x))==0) 799 #endif 800 801 #undef roundup 802 #define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) 803 804 /* <sys/stat.h> */ 805 806 #ifndef ALLPERMS 807 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO) 808 #endif 809 #ifndef DEFFILEMODE 810 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) 811 #endif 812 #ifndef S_ISTXT 813 #ifdef S_ISVTX 814 #define S_ISTXT S_ISVTX 815 #else 816 #define S_ISTXT 0 817 #endif 818 #endif 819 820 /* Protected by _NETBSD_SOURCE otherwise. */ 821 #if HAVE_STRUCT_STAT_ST_FLAGS && defined(__NetBSD__) 822 #define UF_SETTABLE 0x0000ffff 823 #define UF_NODUMP 0x00000001 824 #define UF_IMMUTABLE 0x00000002 825 #define UF_APPEND 0x00000004 826 #define UF_OPAQUE 0x00000008 827 #define SF_SETTABLE 0xffff0000 828 #define SF_ARCHIVED 0x00010000 829 #define SF_IMMUTABLE 0x00020000 830 #define SF_APPEND 0x00040000 831 #endif 832 833 /* <sys/syslimits.h> */ 834 835 #ifndef LINE_MAX 836 #define LINE_MAX 2048 837 #endif 838 839 /* <sys/time.h> */ 840 841 #ifndef timercmp 842 #define timercmp(tvp, uvp, cmp) \ 843 (((tvp)->tv_sec == (uvp)->tv_sec) ? \ 844 ((tvp)->tv_usec cmp (uvp)->tv_usec) : \ 845 ((tvp)->tv_sec cmp (uvp)->tv_sec)) 846 #endif 847 #ifndef timeradd 848 #define timeradd(tvp, uvp, vvp) \ 849 do { \ 850 (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ 851 (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ 852 if ((vvp)->tv_usec >= 1000000) { \ 853 (vvp)->tv_sec++; \ 854 (vvp)->tv_usec -= 1000000; \ 855 } \ 856 } while (/* CONSTCOND */ 0) 857 #endif 858 #ifndef timersub 859 #define timersub(tvp, uvp, vvp) \ 860 do { \ 861 (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ 862 (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ 863 if ((vvp)->tv_usec < 0) { \ 864 (vvp)->tv_sec--; \ 865 (vvp)->tv_usec += 1000000; \ 866 } \ 867 } while (/* CONSTCOND */ 0) 868 #endif 869 870 /* <sys/types.h> */ 871 872 #ifdef major 873 #undef major 874 #endif 875 #define major(x) ((int32_t)((((x) & 0x000fff00) >> 8))) 876 877 #ifdef minor 878 #undef minor 879 #endif 880 #define minor(x) ((int32_t)((((x) & 0xfff00000) >> 12) | \ 881 (((x) & 0x000000ff) >> 0))) 882 #ifdef makedev 883 #undef makedev 884 #endif 885 #define makedev(x,y) ((dev_t)((((x) << 8) & 0x000fff00) | \ 886 (((y) << 12) & 0xfff00000) | \ 887 (((y) << 0) & 0x000000ff))) 888 #ifndef NBBY 889 #define NBBY 8 890 #endif 891 892 #if !HAVE_U_QUAD_T 893 /* #define, not typedef, as quad_t exists as a struct on some systems */ 894 #define quad_t long long 895 #define u_quad_t unsigned long long 896 #define strtoq strtoll 897 #define strtouq strtoull 898 #endif 899 900 /* Has quad_t but these prototypes don't get pulled into scope. w/o we lose */ 901 #ifdef __NetBSD__ 902 quad_t strtoq __P((const char *, char **, int)); 903 u_quad_t strtouq __P((const char *, char **, int)); 904 #endif 905 906 #endif /* !__NETBSD_COMPAT_DEFS_H__ */ 907