compat_defs.h revision 1.67
1 /* $NetBSD: compat_defs.h,v 1.67 2008/10/20 10:28:38 apb 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 #define __USE_ISOC99 1 17 #endif 18 19 /* So _NETBSD_SOURCE doesn't end up defined. Define enough to pull in standard 20 defs. Other platforms may need similiar defines. */ 21 #ifdef __NetBSD__ 22 #define _ISOC99_SOURCE 23 #define _POSIX_SOURCE 1 24 #define _POSIX_C_SOURCE 200112L 25 #define _XOPEN_SOURCE 600 26 #else 27 #undef _POSIX_SOURCE 28 #undef _POSIX_C_SOURCE 29 #endif 30 31 /* System headers needed for (re)definitions below. */ 32 33 #include <sys/types.h> 34 #include <sys/mman.h> 35 #include <sys/param.h> 36 /* time.h needs to be pulled in first at least on netbsd w/o _NETBSD_SOURCE */ 37 #include <sys/time.h> 38 #include <sys/stat.h> 39 #include <errno.h> 40 #include <fcntl.h> 41 #include <grp.h> 42 #include <limits.h> 43 #include <paths.h> 44 #include <stdarg.h> 45 #include <stdio.h> 46 #include <stdlib.h> 47 #include <string.h> 48 49 #if HAVE_SYS_CDEFS_H 50 #include <sys/cdefs.h> 51 #endif 52 #if HAVE_SYS_SYSLIMITS_H 53 #include <sys/syslimits.h> 54 #endif 55 #if HAVE_SYS_SYSMACROS_H 56 /* major(), minor() on SVR4 */ 57 #include <sys/sysmacros.h> 58 #endif 59 #if HAVE_INTTYPES_H 60 #include <inttypes.h> 61 #endif 62 #if HAVE_STDDEF_H 63 #include <stddef.h> 64 #endif 65 66 #ifdef _NETBSD_SOURCE 67 #error _NETBSD_SOURCE is *not* to be defined. 68 #endif 69 70 /* Need this since we can't depend on NetBSD's version to be around */ 71 #ifdef __UNCONST 72 #undef __UNCONST 73 #endif 74 #define __UNCONST(a) ((void *)(unsigned long)(const void *)(a)) 75 76 /* We don't include <pwd.h> here, so that "compat_pwd.h" works. */ 77 struct passwd; 78 79 /* Assume an ANSI compiler for the host. */ 80 81 #undef __P 82 #define __P(x) x 83 84 #ifndef __BEGIN_DECLS 85 #define __BEGIN_DECLS 86 #endif 87 #ifndef __END_DECLS 88 #define __END_DECLS 89 #endif 90 91 /* Some things usually in BSD <sys/cdefs.h>. */ 92 93 #ifndef __CONCAT 94 #define __CONCAT(x,y) x ## y 95 #endif 96 #if !defined(__attribute__) && !defined(__GNUC__) 97 #define __attribute__(x) 98 #endif 99 #if !defined(__packed) 100 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) 101 #define __packed __attribute__((__packed__)) 102 #else 103 #define __packed error: no __packed for this compiler 104 #endif 105 #endif /* !__packed */ 106 #ifndef __RENAME 107 #define __RENAME(x) 108 #endif 109 #undef __aconst 110 #define __aconst 111 #undef __dead 112 #define __dead 113 #undef __restrict 114 #define __restrict 115 #undef __unused 116 #define __unused 117 118 /* Dirent support. */ 119 120 #if HAVE_DIRENT_H 121 # if defined(__linux__) && defined(__USE_BSD) 122 # undef __USE_BSD 123 # include <dirent.h> 124 # define __USE_BSD 1 125 # undef d_fileno 126 # else 127 # include <dirent.h> 128 # if defined(__DARWIN_UNIX03) 129 # undef d_fileno 130 # endif 131 # endif 132 # define NAMLEN(dirent) (strlen((dirent)->d_name)) 133 #else 134 # define dirent direct 135 # define NAMLEN(dirent) ((dirent)->d_namlen) 136 # if HAVE_SYS_NDIR_H 137 # include <sys/ndir.h> 138 # endif 139 # if HAVE_SYS_DIR_H 140 # include <sys/dir.h> 141 # endif 142 # if HAVE_NDIR_H 143 # include <ndir.h> 144 # endif 145 #endif 146 147 /* Type substitutes. */ 148 149 #if !HAVE_ID_T 150 typedef unsigned int id_t; 151 #endif 152 153 #if !HAVE_SOCKLEN_T 154 typedef int socklen_t; 155 #endif 156 157 #if !HAVE_U_LONG 158 typedef unsigned long u_long; 159 #endif 160 161 #if !HAVE_U_CHAR 162 typedef unsigned char u_char; 163 #endif 164 165 #if !HAVE_U_INT 166 typedef unsigned int u_int; 167 #endif 168 169 #if !HAVE_U_SHORT 170 typedef unsigned short u_short; 171 #endif 172 173 /* Prototypes for replacement functions. */ 174 175 #if !HAVE_ATOLL 176 long long int atoll(const char *); 177 #endif 178 179 #if !HAVE_ASPRINTF 180 int asprintf(char **, const char *, ...); 181 #endif 182 183 #if !HAVE_ASNPRINTF 184 int asnprintf(char **, size_t, const char *, ...); 185 #endif 186 187 #if !HAVE_BASENAME 188 char *basename(char *); 189 #endif 190 191 #if !HAVE_DECL_OPTIND 192 int getopt(int, char *const *, const char *); 193 extern char *optarg; 194 extern int optind, opterr, optopt; 195 #endif 196 197 #if !HAVE_DIRNAME 198 char *dirname(char *); 199 #endif 200 201 #if !HAVE_DIRFD 202 #if HAVE_DIR_DD_FD 203 #define dirfd(dirp) ((dirp)->dd_fd) 204 #elif HAVE_DIR___DD_FD 205 #define dirfd(dirp) ((dirp)->__dd_fd) 206 #else 207 /*XXX: Very hacky but no other way to bring this into scope w/o defining 208 _NETBSD_SOURCE which we're avoiding. */ 209 #ifdef __NetBSD__ 210 struct _dirdesc { 211 int dd_fd; /* file descriptor associated with directory */ 212 long dd_loc; /* offset in current buffer */ 213 long dd_size; /* amount of data returned by getdents */ 214 char *dd_buf; /* data buffer */ 215 int dd_len; /* size of data buffer */ 216 off_t dd_seek; /* magic cookie returned by getdents */ 217 long dd_rewind; /* magic cookie for rewinding */ 218 int dd_flags; /* flags for readdir */ 219 void *dd_lock; /* lock for concurrent access */ 220 }; 221 #define dirfd(dirp) (((struct _dirdesc *)dirp)->dd_fd) 222 #else 223 #error cannot figure out how to turn a DIR * into a fd 224 #endif 225 #endif 226 #endif 227 228 #if !HAVE_ERR_H 229 void err(int, const char *, ...); 230 void errx(int, const char *, ...); 231 void warn(const char *, ...); 232 void warnx(const char *, ...); 233 #endif 234 235 #if !HAVE_ESETFUNC 236 void (*esetfunc(void (*)(int, const char *, ...)))(int, const char *, ...); 237 size_t estrlcpy(char *, const char *, size_t); 238 size_t estrlcat(char *, const char *, size_t); 239 char *estrdup(const char *); 240 char *estrndup(const char *, size_t); 241 void *ecalloc(size_t, size_t); 242 void *emalloc(size_t); 243 void *erealloc(void *, size_t); 244 FILE *efopen(const char *, const char *); 245 int easprintf(char **, const char *, ...); 246 int evasprintf(char **, const char *, va_list); 247 #endif 248 249 #if !HAVE_FGETLN || defined(__NetBSD__) 250 char *fgetln(FILE *, size_t *); 251 #endif 252 253 #if !HAVE_FLOCK 254 # define LOCK_SH 0x01 255 # define LOCK_EX 0x02 256 # define LOCK_NB 0x04 257 # define LOCK_UN 0x08 258 int flock(int, int); 259 #endif 260 261 #if !HAVE_FPARSELN || defined(__NetBSD__) 262 # define FPARSELN_UNESCESC 0x01 263 # define FPARSELN_UNESCCONT 0x02 264 # define FPARSELN_UNESCCOMM 0x04 265 # define FPARSELN_UNESCREST 0x08 266 # define FPARSELN_UNESCALL 0x0f 267 char *fparseln(FILE *, size_t *, size_t *, const char [3], int); 268 #endif 269 270 #if !HAVE_ISSETUGID 271 int issetugid(void); 272 #endif 273 274 #if !HAVE_ISBLANK && !defined(isblank) 275 #define isblank(x) ((x) == ' ' || (x) == '\t') 276 #endif 277 278 #define __nbcompat_bswap16(x) ((((x) << 8) & 0xff00) | (((x) >> 8) & 0x00ff)) 279 280 #define __nbcompat_bswap32(x) ((((x) << 24) & 0xff000000) | \ 281 (((x) << 8) & 0x00ff0000) | \ 282 (((x) >> 8) & 0x0000ff00) | \ 283 (((x) >> 24) & 0x000000ff)) 284 285 #define __nbcompat_bswap64(x) (((u_int64_t)bswap32((x)) << 32) | \ 286 ((u_int64_t)bswap32((x) >> 32))) 287 288 #if ! HAVE_DECL_BSWAP16 289 #ifdef bswap16 290 #undef bswap16 291 #endif 292 #define bswap16(x) __nbcompat_bswap16(x) 293 #endif 294 #if ! HAVE_DECL_BSWAP32 295 #ifdef bswap32 296 #undef bswap32 297 #endif 298 #define bswap32(x) __nbcompat_bswap32(x) 299 #endif 300 #if ! HAVE_DECL_BSWAP64 301 #ifdef bswap64 302 #undef bswap64 303 #endif 304 #define bswap64(x) __nbcompat_bswap64(x) 305 #endif 306 307 #if !HAVE_MKSTEMP 308 int mkstemp(char *); 309 #endif 310 311 #if !HAVE_MKDTEMP 312 char *mkdtemp(char *); 313 #endif 314 315 #if !HAVE_MKSTEMP || !HAVE_MKDTEMP 316 /* This is a prototype for the internal function defined in 317 * src/lib/lib/stdio/gettemp.c */ 318 int __nbcompat_gettemp(char *, int *, int); 319 #endif 320 321 #if !HAVE_PREAD 322 ssize_t pread(int, void *, size_t, off_t); 323 #endif 324 325 #if !HAVE_HEAPSORT 326 int heapsort (void *, size_t, size_t, int (*)(const void *, const void *)); 327 #endif 328 /* Make them use our version */ 329 # define heapsort __nbcompat_heapsort 330 331 /* 332 * HAVE_X_FROM_Y and HAVE_PWCACHE_FOODB go together, because we cannot 333 * supply an implementation of one without the others -- some parts are 334 * libc internal and this varies from system to system. 335 * 336 * XXX this is dubious anyway: we assume (see HAVE_DECLs below) that if the 337 * XXX host system has all of these functions, all of their interfaces 338 * XXX and interactions are exactly the same as in our libc/libutil -- ugh. 339 */ 340 #if !HAVE_USER_FROM_UID || !HAVE_UID_FROM_USER || !HAVE_GROUP_FROM_GID || \ 341 !HAVE_GID_FROM_GROUP || !HAVE_PWCACHE_USERDB || !HAVE_PWCACHE_GROUDB 342 /* Make them use our version */ 343 # define user_from_uid __nbcompat_user_from_uid 344 # define uid_from_user __nbcompat_uid_from_user 345 # define pwcache_userdb __nbcompat_pwcache_userdb 346 # define group_from_gid __nbcompat_group_from_gid 347 # define gid_from_group __nbcompat_gid_from_group 348 # define pwcache_groupdb __nbcompat_pwcache_groupdb 349 #endif 350 351 #if !HAVE_DECL_UID_FROM_USER 352 int uid_from_user(const char *, uid_t *); 353 #endif 354 #if !HAVE_DECL_USER_FROM_UID 355 const char *user_from_uid(uid_t, int); 356 #endif 357 #if !HAVE_DECL_PWCACHE_USERDB 358 int pwcache_userdb(int (*)(int), void (*)(void), 359 struct passwd * (*)(const char *), struct passwd * (*)(uid_t)); 360 #endif 361 #if !HAVE_DECL_GID_FROM_GROUP 362 int gid_from_group(const char *, gid_t *); 363 #endif 364 #if !HAVE_DECL_GROUP_FROM_GID 365 const char *group_from_gid(gid_t, int); 366 #endif 367 #if !HAVE_DECL_PWCACHE_GROUPDB 368 int pwcache_groupdb(int (*)(int), void (*)(void), 369 struct group * (*)(const char *), struct group * (*)(gid_t)); 370 #endif 371 372 #if !HAVE_DECL_STRNDUP 373 char *strndup(const char *, size_t); 374 #endif 375 #if !HAVE_DECL_LCHFLAGS 376 int lchflags(const char *, unsigned long); 377 #endif 378 #if !HAVE_DECL_LCHMOD 379 int lchmod(const char *, mode_t); 380 #endif 381 #if !HAVE_DECL_LCHOWN 382 int lchown(const char *, uid_t, gid_t); 383 #endif 384 385 #if !HAVE_PWRITE 386 ssize_t pwrite(int, const void *, size_t, off_t); 387 #endif 388 389 #if !HAVE_RAISE_DEFAULT_SIGNAL 390 int raise_default_signal(int); 391 #endif 392 393 #if !HAVE_SETENV 394 int setenv(const char *, const char *, int); 395 #endif 396 397 #if !HAVE_DECL_SETGROUPENT 398 int setgroupent(int); 399 #endif 400 401 #if !HAVE_DECL_SETPASSENT 402 int setpassent(int); 403 #endif 404 405 #if !HAVE_SETPROGNAME || defined(__NetBSD__) 406 const char *getprogname(void); 407 void setprogname(const char *); 408 #endif 409 410 #if !HAVE_SNPRINTF 411 int snprintf(char *, size_t, const char *, ...); 412 #endif 413 414 #if !HAVE_STRLCAT 415 size_t strlcat(char *, const char *, size_t); 416 #endif 417 418 #if !HAVE_STRLCPY 419 size_t strlcpy(char *, const char *, size_t); 420 #endif 421 422 #if !HAVE_STRMODE 423 void strmode(mode_t, char *); 424 #endif 425 426 #if !HAVE_STRNDUP 427 char *strndup(const char *, size_t); 428 #endif 429 430 #if !HAVE_STRSEP || defined(__NetBSD__) 431 char *strsep(char **, const char *); 432 #endif 433 434 #if !HAVE_DECL_STRSUFTOLL 435 long long strsuftoll(const char *, const char *, long long, long long); 436 long long strsuftollx(const char *, const char *, 437 long long, long long, char *, size_t); 438 #endif 439 440 #if !HAVE_STRTOLL 441 long long strtoll(const char *, char **, int); 442 #endif 443 444 #if !HAVE_USER_FROM_UID 445 const char *user_from_uid(uid_t, int); 446 #endif 447 448 #if !HAVE_GROUP_FROM_GID 449 const char *group_from_gid(gid_t, int); 450 #endif 451 452 #if !HAVE_VASPRINTF 453 int vasprintf(char **, const char *, va_list); 454 #endif 455 456 #if !HAVE_VASNPRINTF 457 int vasnprintf(char **, size_t, const char *, va_list); 458 #endif 459 460 #if !HAVE_VSNPRINTF 461 int vsnprintf(char *, size_t, const char *, va_list); 462 #endif 463 464 /* 465 * getmode() and setmode() are always defined, as these function names 466 * exist but with very different meanings on other OS's. The compat 467 * versions here simply accept an octal mode number; the "u+x,g-w" type 468 * of syntax is not accepted. 469 */ 470 471 #define getmode __nbcompat_getmode 472 #define setmode __nbcompat_setmode 473 474 mode_t getmode(const void *, mode_t); 475 void *setmode(const char *); 476 477 /* Eliminate assertions embedded in binaries. */ 478 479 #undef _DIAGASSERT 480 #define _DIAGASSERT(x) 481 482 /* Various sources use this */ 483 #undef __RCSID 484 #define __RCSID(x) 485 #undef __SCCSID 486 #define __SCCSID(x) 487 #undef __COPYRIGHT 488 #define __COPYRIGHT(x) 489 #undef __KERNEL_RCSID 490 #define __KERNEL_RCSID(x,y) 491 492 /* Heimdal expects this one. */ 493 494 #undef RCSID 495 #define RCSID(x) 496 497 /* Some definitions not available on all systems. */ 498 499 /* <errno.h> */ 500 501 #ifndef EFTYPE 502 #define EFTYPE EIO 503 #endif 504 505 /* <fcntl.h> */ 506 507 #ifndef O_EXLOCK 508 #define O_EXLOCK 0 509 #endif 510 #ifndef O_SHLOCK 511 #define O_SHLOCK 0 512 #endif 513 514 /* <limits.h> */ 515 516 #ifndef UID_MAX 517 #define UID_MAX 32767 518 #endif 519 #ifndef GID_MAX 520 #define GID_MAX UID_MAX 521 #endif 522 523 #ifndef UQUAD_MAX 524 #define UQUAD_MAX ((u_quad_t)-1) 525 #endif 526 #ifndef QUAD_MAX 527 #define QUAD_MAX ((quad_t)(UQUAD_MAX >> 1)) 528 #endif 529 #ifndef QUAD_MIN 530 #define QUAD_MIN ((quad_t)(~QUAD_MAX)) 531 #endif 532 #ifndef ULLONG_MAX 533 #define ULLONG_MAX ((unsigned long long)-1) 534 #endif 535 #ifndef LLONG_MAX 536 #define LLONG_MAX ((long long)(ULLONG_MAX >> 1)) 537 #endif 538 #ifndef LLONG_MIN 539 #define LLONG_MIN ((long long)(~LLONG_MAX)) 540 #endif 541 542 /* <paths.h> */ 543 544 /* The host's _PATH_BSHELL might be broken, so override it. */ 545 #undef _PATH_BSHELL 546 #define _PATH_BSHELL PATH_BSHELL 547 #ifndef _PATH_DEFPATH 548 #define _PATH_DEFPATH "/usr/bin:/bin:/usr/local/bin" 549 #endif 550 #ifndef _PATH_DEV 551 #define _PATH_DEV "/dev/" 552 #endif 553 #ifndef _PATH_DEVNULL 554 #define _PATH_DEVNULL _PATH_DEV "null" 555 #endif 556 #ifndef _PATH_TMP 557 #define _PATH_TMP "/tmp/" 558 #endif 559 #ifndef _PATH_DEFTAPE 560 #define _PATH_DEFTAPE "/dev/nrst0" 561 #endif 562 #ifndef _PATH_VI 563 #define _PATH_VI "/usr/bin/vi" 564 #endif 565 566 /* <stdarg.h> */ 567 568 #ifndef _BSD_VA_LIST_ 569 #define _BSD_VA_LIST_ va_list 570 #endif 571 572 /* <stdint.h> */ 573 574 #if !defined(SIZE_MAX) && defined(SIZE_T_MAX) 575 #define SIZE_MAX SIZE_T_MAX 576 #endif 577 578 #ifndef UINT8_MAX 579 #define UINT8_MAX 0xffU 580 #endif 581 582 #ifndef UINT16_MAX 583 #define UINT16_MAX 0xffffU 584 #endif 585 586 #ifndef UINT32_MAX 587 #define UINT32_MAX 0xffffffffU 588 #endif 589 590 /* <stdlib.h> */ 591 592 #ifndef __GNUC__ 593 # if HAVE_ALLOCA_H 594 # include <alloca.h> 595 # else 596 # ifndef alloca /* predefined by HP cc +Olibcalls */ 597 char *alloca (); 598 # endif 599 # endif 600 #endif 601 602 /* avoid prototype conflicts with host */ 603 #define cgetcap __nbcompat_cgetcap 604 #define cgetclose __nbcompat_cgetclose 605 #define cgetent __nbcompat_cgetent 606 #define cgetfirst __nbcompat_cgetfirst 607 #define cgetmatch __nbcompat_cgetmatch 608 #define cgetnext __nbcompat_cgetnext 609 #define cgetnum __nbcompat_cgetnum 610 #define cgetset __nbcompat_cgetset 611 #define cgetstr __nbcompat_cgetstr 612 #define cgetustr __nbcompat_cgetustr 613 614 char *cgetcap(char *, const char *, int); 615 int cgetclose(void); 616 int cgetent(char **, const char * const *, const char *); 617 int cgetfirst(char **, const char * const *); 618 int cgetmatch(const char *, const char *); 619 int cgetnext(char **, const char * const *); 620 int cgetnum(char *, const char *, long *); 621 int cgetset(const char *); 622 int cgetstr(char *, const char *, char **); 623 int cgetustr(char *, const char *, char **); 624 625 /* <sys/endian.h> */ 626 627 #if WORDS_BIGENDIAN 628 #if !HAVE_DECL_HTOBE16 629 #define htobe16(x) (x) 630 #endif 631 #if !HAVE_DECL_HTOBE32 632 #define htobe32(x) (x) 633 #endif 634 #if !HAVE_DECL_HTOBE64 635 #define htobe64(x) (x) 636 #endif 637 #if !HAVE_DECL_HTOLE16 638 #define htole16(x) bswap16((u_int16_t)(x)) 639 #endif 640 #if !HAVE_DECL_HTOLE32 641 #define htole32(x) bswap32((u_int32_t)(x)) 642 #endif 643 #if !HAVE_DECL_HTOLE64 644 #define htole64(x) bswap64((u_int64_t)(x)) 645 #endif 646 #else 647 #if !HAVE_DECL_HTOBE16 648 #define htobe16(x) bswap16((u_int16_t)(x)) 649 #endif 650 #if !HAVE_DECL_HTOBE32 651 #define htobe32(x) bswap32((u_int32_t)(x)) 652 #endif 653 #if !HAVE_DECL_HTOBE64 654 #define htobe64(x) bswap64((u_int64_t)(x)) 655 #endif 656 #if !HAVE_DECL_HTOLE16 657 #define htole16(x) (x) 658 #endif 659 #if !HAVE_DECL_HTOLE32 660 #define htole32(x) (x) 661 #endif 662 #if !HAVE_DECL_HTOLE64 663 #define htole64(x) (x) 664 #endif 665 #endif 666 #if !HAVE_DECL_BE16TOH 667 #define be16toh(x) htobe16(x) 668 #endif 669 #if !HAVE_DECL_BE32TOH 670 #define be32toh(x) htobe32(x) 671 #endif 672 #if !HAVE_DECL_BE64TOH 673 #define be64toh(x) htobe64(x) 674 #endif 675 #if !HAVE_DECL_LE16TOH 676 #define le16toh(x) htole16(x) 677 #endif 678 #if !HAVE_DECL_LE32TOH 679 #define le32toh(x) htole32(x) 680 #endif 681 #if !HAVE_DECL_LE64TOH 682 #define le64toh(x) htole64(x) 683 #endif 684 685 #define __GEN_ENDIAN_ENC(bits, endian) \ 686 static void \ 687 endian ## bits ## enc(void *dst, uint ## bits ## _t u) \ 688 { \ 689 u = hto ## endian ## bits (u); \ 690 memcpy(dst, &u, sizeof(u)); \ 691 } 692 #if !HAVE_DECL_BE16ENC 693 __GEN_ENDIAN_ENC(16, be) 694 #endif 695 #if !HAVE_DECL_BE32ENC 696 __GEN_ENDIAN_ENC(32, be) 697 #endif 698 #if !HAVE_DECL_BE64ENC 699 __GEN_ENDIAN_ENC(64, be) 700 #endif 701 #if !HAVE_DECL_LE16ENC 702 __GEN_ENDIAN_ENC(16, le) 703 #endif 704 #if !HAVE_DECL_LE32ENC 705 __GEN_ENDIAN_ENC(32, le) 706 #endif 707 #if !HAVE_DECL_LE64ENC 708 __GEN_ENDIAN_ENC(64, le) 709 #endif 710 #undef __GEN_ENDIAN_ENC 711 712 #define __GEN_ENDIAN_DEC(bits, endian) \ 713 static uint ## bits ## _t \ 714 endian ## bits ## dec(const void *buf) \ 715 { \ 716 uint ## bits ## _t u; \ 717 memcpy(&u, buf, sizeof(u)); \ 718 return endian ## bits ## toh (u); \ 719 } 720 #if !HAVE_DECL_BE16DEC 721 __GEN_ENDIAN_DEC(16, be) 722 #endif 723 #if !HAVE_DECL_BE32DEC 724 __GEN_ENDIAN_DEC(32, be) 725 #endif 726 #if !HAVE_DECL_BE64DEC 727 __GEN_ENDIAN_DEC(64, be) 728 #endif 729 #if !HAVE_DECL_LE16DEC 730 __GEN_ENDIAN_DEC(16, le) 731 #endif 732 #if !HAVE_DECL_LE32DEC 733 __GEN_ENDIAN_DEC(32, le) 734 #endif 735 #if !HAVE_DECL_LE64DEC 736 __GEN_ENDIAN_DEC(64, le) 737 #endif 738 #undef __GEN_ENDIAN_DEC 739 740 /* <sys/mman.h> */ 741 742 #ifndef MAP_FILE 743 #define MAP_FILE 0 744 #endif 745 746 /* HP-UX has MAP_ANONYMOUS but not MAP_ANON */ 747 #ifndef MAP_ANON 748 #ifdef MAP_ANONYMOUS 749 #define MAP_ANON MAP_ANONYMOUS 750 #endif 751 #endif 752 753 /* <sys/param.h> */ 754 755 #undef BIG_ENDIAN 756 #undef LITTLE_ENDIAN 757 #define BIG_ENDIAN 4321 758 #define LITTLE_ENDIAN 1234 759 760 #undef BYTE_ORDER 761 #if WORDS_BIGENDIAN 762 #define BYTE_ORDER BIG_ENDIAN 763 #else 764 #define BYTE_ORDER LITTLE_ENDIAN 765 #endif 766 767 #ifndef DEV_BSIZE 768 #define DEV_BSIZE (1 << 9) 769 #endif 770 771 #undef MIN 772 #undef MAX 773 #define MIN(a,b) ((a) < (b) ? (a) : (b)) 774 #define MAX(a,b) ((a) > (b) ? (a) : (b)) 775 776 #ifndef MAXBSIZE 777 #define MAXBSIZE (64 * 1024) 778 #endif 779 #ifndef MAXFRAG 780 #define MAXFRAG 8 781 #endif 782 #ifndef MAXPHYS 783 #define MAXPHYS (64 * 1024) 784 #endif 785 786 /* XXX needed by makefs; this should be done in a better way */ 787 #undef btodb 788 #define btodb(x) ((x) << 9) 789 790 #undef setbit 791 #undef clrbit 792 #undef isset 793 #undef isclr 794 #define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY)) 795 #define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY))) 796 #define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY))) 797 #define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0) 798 799 #ifndef powerof2 800 #define powerof2(x) ((((x)-1)&(x))==0) 801 #endif 802 803 #undef roundup 804 #define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) 805 806 /* <sys/stat.h> */ 807 808 #ifndef ALLPERMS 809 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO) 810 #endif 811 #ifndef DEFFILEMODE 812 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) 813 #endif 814 #ifndef S_ISTXT 815 #ifdef S_ISVTX 816 #define S_ISTXT S_ISVTX 817 #else 818 #define S_ISTXT 0 819 #endif 820 #endif 821 822 /* Protected by _NETBSD_SOURCE otherwise. */ 823 #if HAVE_STRUCT_STAT_ST_FLAGS && defined(__NetBSD__) 824 #define UF_SETTABLE 0x0000ffff 825 #define UF_NODUMP 0x00000001 826 #define UF_IMMUTABLE 0x00000002 827 #define UF_APPEND 0x00000004 828 #define UF_OPAQUE 0x00000008 829 #define SF_SETTABLE 0xffff0000 830 #define SF_ARCHIVED 0x00010000 831 #define SF_IMMUTABLE 0x00020000 832 #define SF_APPEND 0x00040000 833 #endif 834 835 /* <sys/syslimits.h> */ 836 837 #ifndef LINE_MAX 838 #define LINE_MAX 2048 839 #endif 840 841 /* <sys/time.h> */ 842 843 #ifndef timercmp 844 #define timercmp(tvp, uvp, cmp) \ 845 (((tvp)->tv_sec == (uvp)->tv_sec) ? \ 846 ((tvp)->tv_usec cmp (uvp)->tv_usec) : \ 847 ((tvp)->tv_sec cmp (uvp)->tv_sec)) 848 #endif 849 #ifndef timeradd 850 #define timeradd(tvp, uvp, vvp) \ 851 do { \ 852 (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ 853 (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ 854 if ((vvp)->tv_usec >= 1000000) { \ 855 (vvp)->tv_sec++; \ 856 (vvp)->tv_usec -= 1000000; \ 857 } \ 858 } while (/* CONSTCOND */ 0) 859 #endif 860 #ifndef timersub 861 #define timersub(tvp, uvp, vvp) \ 862 do { \ 863 (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ 864 (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ 865 if ((vvp)->tv_usec < 0) { \ 866 (vvp)->tv_sec--; \ 867 (vvp)->tv_usec += 1000000; \ 868 } \ 869 } while (/* CONSTCOND */ 0) 870 #endif 871 872 /* <sys/types.h> */ 873 874 #ifdef major 875 #undef major 876 #endif 877 #define major(x) ((int32_t)((((x) & 0x000fff00) >> 8))) 878 879 #ifdef minor 880 #undef minor 881 #endif 882 #define minor(x) ((int32_t)((((x) & 0xfff00000) >> 12) | \ 883 (((x) & 0x000000ff) >> 0))) 884 #ifdef makedev 885 #undef makedev 886 #endif 887 #define makedev(x,y) ((dev_t)((((x) << 8) & 0x000fff00) | \ 888 (((y) << 12) & 0xfff00000) | \ 889 (((y) << 0) & 0x000000ff))) 890 #ifndef NBBY 891 #define NBBY 8 892 #endif 893 894 #if !HAVE_U_QUAD_T 895 /* #define, not typedef, as quad_t exists as a struct on some systems */ 896 #define quad_t long long 897 #define u_quad_t unsigned long long 898 #define strtoq strtoll 899 #define strtouq strtoull 900 #endif 901 902 /* Has quad_t but these prototypes don't get pulled into scope. w/o we lose */ 903 #ifdef __NetBSD__ 904 quad_t strtoq __P((const char *, char **, int)); 905 u_quad_t strtouq __P((const char *, char **, int)); 906 #endif 907 908 #endif /* !__NETBSD_COMPAT_DEFS_H__ */ 909
Indexes created Sun Sep 28 07:09:56 GMT 2025