compat_defs.h revision 1.64 1 /* $NetBSD: compat_defs.h,v 1.64 2007/10/19 15:56:53 christos 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 #if !HAVE_USER_FROM_UID
330 /* Make them use our version */
331 # define user_from_uid __nbcompat_user_from_uid
332 #endif
333 #if !HAVE_GROUP_FROM_GID
334 /* Make them use our version */
335 # define group_from_gid __nbcompat_group_from_gid
336 #endif
337
338 #if !HAVE_DECL_GID_FROM_USER
339 int uid_from_user(const char *, uid_t *);
340 #endif
341 #if !HAVE_DECL_GID_FROM_GROUP
342 int gid_from_group(const char *, gid_t *);
343 #endif
344 #if !HAVE_DECL_USER_FROM_UID
345 const char *user_from_uid(uid_t, int);
346 #endif
347 #if !HAVE_DECL_GROUP_FROM_GID
348 const char *group_from_gid(gid_t, int);
349 #endif
350 #if !HAVE_DECL_STRNDUP
351 char *strndup(const char *, size_t);
352 #endif
353 #if !HAVE_DECL_LCHFLAGS
354 int lchflags(const char *, unsigned long);
355 #endif
356 #if !HAVE_DECL_LCHMOD
357 int lchmod(const char *, mode_t);
358 #endif
359 #if !HAVE_DECL_LCHOWN
360 int lchown(const char *, uid_t, gid_t);
361 #endif
362 #if !HAVE_DECL_PWCACHE_USERDB
363 int pwcache_userdb(int (*)(int), void (*)(void),
364 struct passwd * (*)(const char *),
365 struct passwd * (*)(uid_t));
366 #endif
367 #if !HAVE_DECL_PWCACHE_GROUPDB
368 int pwcache_groupdb(int (*)(int), void (*)(void),
369 struct group * (*)(const char *),
370 struct group * (*)(gid_t));
371 #endif
372
373 #if !HAVE_PWRITE
374 ssize_t pwrite(int, const void *, size_t, off_t);
375 #endif
376
377 #if !HAVE_RAISE_DEFAULT_SIGNAL
378 int raise_default_signal(int);
379 #endif
380
381 #if !HAVE_SETENV
382 int setenv(const char *, const char *, int);
383 #endif
384
385 #if !HAVE_DECL_SETGROUPENT
386 int setgroupent(int);
387 #endif
388
389 #if !HAVE_DECL_SETPASSENT
390 int setpassent(int);
391 #endif
392
393 #if !HAVE_SETPROGNAME || defined(__NetBSD__)
394 const char *getprogname(void);
395 void setprogname(const char *);
396 #endif
397
398 #if !HAVE_SNPRINTF
399 int snprintf(char *, size_t, const char *, ...);
400 #endif
401
402 #if !HAVE_STRLCAT
403 size_t strlcat(char *, const char *, size_t);
404 #endif
405
406 #if !HAVE_STRLCPY
407 size_t strlcpy(char *, const char *, size_t);
408 #endif
409
410 #if !HAVE_STRMODE
411 void strmode(mode_t, char *);
412 #endif
413
414 #if !HAVE_STRNDUP
415 char *strndup(const char *, size_t);
416 #endif
417
418 #if !HAVE_STRSEP || defined(__NetBSD__)
419 char *strsep(char **, const char *);
420 #endif
421
422 #if !HAVE_DECL_STRSUFTOLL
423 long long strsuftoll(const char *, const char *, long long, long long);
424 long long strsuftollx(const char *, const char *,
425 long long, long long, char *, size_t);
426 #endif
427
428 #if !HAVE_STRTOLL
429 long long strtoll(const char *, char **, int);
430 #endif
431
432 #if !HAVE_USER_FROM_UID
433 const char *user_from_uid(uid_t, int);
434 #endif
435
436 #if !HAVE_GROUP_FROM_GID
437 const char *group_from_gid(gid_t, int);
438 #endif
439
440 #if !HAVE_VASPRINTF
441 int vasprintf(char **, const char *, va_list);
442 #endif
443
444 #if !HAVE_VASNPRINTF
445 int vasnprintf(char **, size_t, const char *, va_list);
446 #endif
447
448 #if !HAVE_VSNPRINTF
449 int vsnprintf(char *, size_t, const char *, va_list);
450 #endif
451
452 /*
453 * getmode() and setmode() are always defined, as these function names
454 * exist but with very different meanings on other OS's. The compat
455 * versions here simply accept an octal mode number; the "u+x,g-w" type
456 * of syntax is not accepted.
457 */
458
459 #define getmode __nbcompat_getmode
460 #define setmode __nbcompat_setmode
461
462 mode_t getmode(const void *, mode_t);
463 void *setmode(const char *);
464
465 /* Eliminate assertions embedded in binaries. */
466
467 #undef _DIAGASSERT
468 #define _DIAGASSERT(x)
469
470 /* Various sources use this */
471 #undef __RCSID
472 #define __RCSID(x)
473 #undef __SCCSID
474 #define __SCCSID(x)
475 #undef __COPYRIGHT
476 #define __COPYRIGHT(x)
477 #undef __KERNEL_RCSID
478 #define __KERNEL_RCSID(x,y)
479
480 /* Heimdal expects this one. */
481
482 #undef RCSID
483 #define RCSID(x)
484
485 /* Some definitions not available on all systems. */
486
487 /* <errno.h> */
488
489 #ifndef EFTYPE
490 #define EFTYPE EIO
491 #endif
492
493 /* <fcntl.h> */
494
495 #ifndef O_EXLOCK
496 #define O_EXLOCK 0
497 #endif
498 #ifndef O_SHLOCK
499 #define O_SHLOCK 0
500 #endif
501
502 /* <limits.h> */
503
504 #ifndef UID_MAX
505 #define UID_MAX 32767
506 #endif
507 #ifndef GID_MAX
508 #define GID_MAX UID_MAX
509 #endif
510
511 #ifndef UQUAD_MAX
512 #define UQUAD_MAX ((u_quad_t)-1)
513 #endif
514 #ifndef QUAD_MAX
515 #define QUAD_MAX ((quad_t)(UQUAD_MAX >> 1))
516 #endif
517 #ifndef QUAD_MIN
518 #define QUAD_MIN ((quad_t)(~QUAD_MAX))
519 #endif
520 #ifndef ULLONG_MAX
521 #define ULLONG_MAX ((unsigned long long)-1)
522 #endif
523 #ifndef LLONG_MAX
524 #define LLONG_MAX ((long long)(ULLONG_MAX >> 1))
525 #endif
526 #ifndef LLONG_MIN
527 #define LLONG_MIN ((long long)(~LLONG_MAX))
528 #endif
529
530 /* <paths.h> */
531
532 /* The host's _PATH_BSHELL might be broken, so override it. */
533 #undef _PATH_BSHELL
534 #define _PATH_BSHELL PATH_BSHELL
535 #ifndef _PATH_DEFPATH
536 #define _PATH_DEFPATH "/usr/bin:/bin:/usr/local/bin"
537 #endif
538 #ifndef _PATH_DEV
539 #define _PATH_DEV "/dev/"
540 #endif
541 #ifndef _PATH_DEVNULL
542 #define _PATH_DEVNULL _PATH_DEV "null"
543 #endif
544 #ifndef _PATH_TMP
545 #define _PATH_TMP "/tmp/"
546 #endif
547 #ifndef _PATH_DEFTAPE
548 #define _PATH_DEFTAPE "/dev/nrst0"
549 #endif
550 #ifndef _PATH_VI
551 #define _PATH_VI "/usr/bin/vi"
552 #endif
553
554 /* <stdarg.h> */
555
556 #ifndef _BSD_VA_LIST_
557 #define _BSD_VA_LIST_ va_list
558 #endif
559
560 /* <stdint.h> */
561
562 #if !defined(SIZE_MAX) && defined(SIZE_T_MAX)
563 #define SIZE_MAX SIZE_T_MAX
564 #endif
565
566 #ifndef UINT8_MAX
567 #define UINT8_MAX 0xffU
568 #endif
569
570 #ifndef UINT16_MAX
571 #define UINT16_MAX 0xffffU
572 #endif
573
574 #ifndef UINT32_MAX
575 #define UINT32_MAX 0xffffffffU
576 #endif
577
578 /* <stdlib.h> */
579
580 #ifndef __GNUC__
581 # if HAVE_ALLOCA_H
582 # include <alloca.h>
583 # else
584 # ifndef alloca /* predefined by HP cc +Olibcalls */
585 char *alloca ();
586 # endif
587 # endif
588 #endif
589
590 /* avoid prototype conflicts with host */
591 #define cgetcap __nbcompat_cgetcap
592 #define cgetclose __nbcompat_cgetclose
593 #define cgetent __nbcompat_cgetent
594 #define cgetfirst __nbcompat_cgetfirst
595 #define cgetmatch __nbcompat_cgetmatch
596 #define cgetnext __nbcompat_cgetnext
597 #define cgetnum __nbcompat_cgetnum
598 #define cgetset __nbcompat_cgetset
599 #define cgetstr __nbcompat_cgetstr
600 #define cgetustr __nbcompat_cgetustr
601
602 char *cgetcap(char *, const char *, int);
603 int cgetclose(void);
604 int cgetent(char **, const char * const *, const char *);
605 int cgetfirst(char **, const char * const *);
606 int cgetmatch(const char *, const char *);
607 int cgetnext(char **, const char * const *);
608 int cgetnum(char *, const char *, long *);
609 int cgetset(const char *);
610 int cgetstr(char *, const char *, char **);
611 int cgetustr(char *, const char *, char **);
612
613 /* <sys/endian.h> */
614
615 #if WORDS_BIGENDIAN
616 #if !HAVE_DECL_HTOBE16
617 #define htobe16(x) (x)
618 #endif
619 #if !HAVE_DECL_HTOBE32
620 #define htobe32(x) (x)
621 #endif
622 #if !HAVE_DECL_HTOBE64
623 #define htobe64(x) (x)
624 #endif
625 #if !HAVE_DECL_HTOLE16
626 #define htole16(x) bswap16((u_int16_t)(x))
627 #endif
628 #if !HAVE_DECL_HTOLE32
629 #define htole32(x) bswap32((u_int32_t)(x))
630 #endif
631 #if !HAVE_DECL_HTOLE64
632 #define htole64(x) bswap64((u_int64_t)(x))
633 #endif
634 #else
635 #if !HAVE_DECL_HTOBE16
636 #define htobe16(x) bswap16((u_int16_t)(x))
637 #endif
638 #if !HAVE_DECL_HTOBE32
639 #define htobe32(x) bswap32((u_int32_t)(x))
640 #endif
641 #if !HAVE_DECL_HTOBE64
642 #define htobe64(x) bswap64((u_int64_t)(x))
643 #endif
644 #if !HAVE_DECL_HTOLE16
645 #define htole16(x) (x)
646 #endif
647 #if !HAVE_DECL_HTOLE32
648 #define htole32(x) (x)
649 #endif
650 #if !HAVE_DECL_HTOLE64
651 #define htole64(x) (x)
652 #endif
653 #endif
654 #if !HAVE_DECL_BE16TOH
655 #define be16toh(x) htobe16(x)
656 #endif
657 #if !HAVE_DECL_BE32TOH
658 #define be32toh(x) htobe32(x)
659 #endif
660 #if !HAVE_DECL_BE64TOH
661 #define be64toh(x) htobe64(x)
662 #endif
663 #if !HAVE_DECL_LE16TOH
664 #define le16toh(x) htole16(x)
665 #endif
666 #if !HAVE_DECL_LE32TOH
667 #define le32toh(x) htole32(x)
668 #endif
669 #if !HAVE_DECL_LE64TOH
670 #define le64toh(x) htole64(x)
671 #endif
672
673 #define __GEN_ENDIAN_ENC(bits, endian) \
674 static void \
675 endian ## bits ## enc(void *dst, uint ## bits ## _t u) \
676 { \
677 u = hto ## endian ## bits (u); \
678 memcpy(dst, &u, sizeof(u)); \
679 }
680 #if !HAVE_DECL_BE16ENC
681 __GEN_ENDIAN_ENC(16, be)
682 #endif
683 #if !HAVE_DECL_BE32ENC
684 __GEN_ENDIAN_ENC(32, be)
685 #endif
686 #if !HAVE_DECL_BE64ENC
687 __GEN_ENDIAN_ENC(64, be)
688 #endif
689 #if !HAVE_DECL_LE16ENC
690 __GEN_ENDIAN_ENC(16, le)
691 #endif
692 #if !HAVE_DECL_LE32ENC
693 __GEN_ENDIAN_ENC(32, le)
694 #endif
695 #if !HAVE_DECL_LE64ENC
696 __GEN_ENDIAN_ENC(64, le)
697 #endif
698 #undef __GEN_ENDIAN_ENC
699
700 #define __GEN_ENDIAN_DEC(bits, endian) \
701 static uint ## bits ## _t \
702 endian ## bits ## dec(const void *buf) \
703 { \
704 uint ## bits ## _t u; \
705 memcpy(&u, buf, sizeof(u)); \
706 return endian ## bits ## toh (u); \
707 }
708 #if !HAVE_DECL_BE16DEC
709 __GEN_ENDIAN_DEC(16, be)
710 #endif
711 #if !HAVE_DECL_BE32DEC
712 __GEN_ENDIAN_DEC(32, be)
713 #endif
714 #if !HAVE_DECL_BE64DEC
715 __GEN_ENDIAN_DEC(64, be)
716 #endif
717 #if !HAVE_DECL_LE16DEC
718 __GEN_ENDIAN_DEC(16, le)
719 #endif
720 #if !HAVE_DECL_LE32DEC
721 __GEN_ENDIAN_DEC(32, le)
722 #endif
723 #if !HAVE_DECL_LE64DEC
724 __GEN_ENDIAN_DEC(64, le)
725 #endif
726 #undef __GEN_ENDIAN_DEC
727
728 /* <sys/mman.h> */
729
730 #ifndef MAP_FILE
731 #define MAP_FILE 0
732 #endif
733
734 /* HP-UX has MAP_ANONYMOUS but not MAP_ANON */
735 #ifndef MAP_ANON
736 #ifdef MAP_ANONYMOUS
737 #define MAP_ANON MAP_ANONYMOUS
738 #endif
739 #endif
740
741 /* <sys/param.h> */
742
743 #undef BIG_ENDIAN
744 #undef LITTLE_ENDIAN
745 #define BIG_ENDIAN 4321
746 #define LITTLE_ENDIAN 1234
747
748 #undef BYTE_ORDER
749 #if WORDS_BIGENDIAN
750 #define BYTE_ORDER BIG_ENDIAN
751 #else
752 #define BYTE_ORDER LITTLE_ENDIAN
753 #endif
754
755 #ifndef DEV_BSIZE
756 #define DEV_BSIZE (1 << 9)
757 #endif
758
759 #undef MIN
760 #undef MAX
761 #define MIN(a,b) ((a) < (b) ? (a) : (b))
762 #define MAX(a,b) ((a) > (b) ? (a) : (b))
763
764 #ifndef MAXBSIZE
765 #define MAXBSIZE (64 * 1024)
766 #endif
767 #ifndef MAXFRAG
768 #define MAXFRAG 8
769 #endif
770 #ifndef MAXPHYS
771 #define MAXPHYS (64 * 1024)
772 #endif
773
774 /* XXX needed by makefs; this should be done in a better way */
775 #undef btodb
776 #define btodb(x) ((x) << 9)
777
778 #undef setbit
779 #undef clrbit
780 #undef isset
781 #undef isclr
782 #define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
783 #define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
784 #define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
785 #define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
786
787 #ifndef powerof2
788 #define powerof2(x) ((((x)-1)&(x))==0)
789 #endif
790
791 #undef roundup
792 #define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
793
794 /* <sys/stat.h> */
795
796 #ifndef ALLPERMS
797 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
798 #endif
799 #ifndef DEFFILEMODE
800 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
801 #endif
802 #ifndef S_ISTXT
803 #ifdef S_ISVTX
804 #define S_ISTXT S_ISVTX
805 #else
806 #define S_ISTXT 0
807 #endif
808 #endif
809
810 /* Protected by _NETBSD_SOURCE otherwise. */
811 #if HAVE_STRUCT_STAT_ST_FLAGS && defined(__NetBSD__)
812 #define UF_SETTABLE 0x0000ffff
813 #define UF_NODUMP 0x00000001
814 #define UF_IMMUTABLE 0x00000002
815 #define UF_APPEND 0x00000004
816 #define UF_OPAQUE 0x00000008
817 #define SF_SETTABLE 0xffff0000
818 #define SF_ARCHIVED 0x00010000
819 #define SF_IMMUTABLE 0x00020000
820 #define SF_APPEND 0x00040000
821 #endif
822
823 /* <sys/syslimits.h> */
824
825 #ifndef LINE_MAX
826 #define LINE_MAX 2048
827 #endif
828
829 /* <sys/time.h> */
830
831 #ifndef timercmp
832 #define timercmp(tvp, uvp, cmp) \
833 (((tvp)->tv_sec == (uvp)->tv_sec) ? \
834 ((tvp)->tv_usec cmp (uvp)->tv_usec) : \
835 ((tvp)->tv_sec cmp (uvp)->tv_sec))
836 #endif
837 #ifndef timeradd
838 #define timeradd(tvp, uvp, vvp) \
839 do { \
840 (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \
841 (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \
842 if ((vvp)->tv_usec >= 1000000) { \
843 (vvp)->tv_sec++; \
844 (vvp)->tv_usec -= 1000000; \
845 } \
846 } while (/* CONSTCOND */ 0)
847 #endif
848 #ifndef timersub
849 #define timersub(tvp, uvp, vvp) \
850 do { \
851 (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
852 (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \
853 if ((vvp)->tv_usec < 0) { \
854 (vvp)->tv_sec--; \
855 (vvp)->tv_usec += 1000000; \
856 } \
857 } while (/* CONSTCOND */ 0)
858 #endif
859
860 /* <sys/types.h> */
861
862 #ifdef major
863 #undef major
864 #endif
865 #define major(x) ((int32_t)((((x) & 0x000fff00) >> 8)))
866
867 #ifdef minor
868 #undef minor
869 #endif
870 #define minor(x) ((int32_t)((((x) & 0xfff00000) >> 12) | \
871 (((x) & 0x000000ff) >> 0)))
872 #ifdef makedev
873 #undef makedev
874 #endif
875 #define makedev(x,y) ((dev_t)((((x) << 8) & 0x000fff00) | \
876 (((y) << 12) & 0xfff00000) | \
877 (((y) << 0) & 0x000000ff)))
878 #ifndef NBBY
879 #define NBBY 8
880 #endif
881
882 #if !HAVE_U_QUAD_T
883 /* #define, not typedef, as quad_t exists as a struct on some systems */
884 #define quad_t long long
885 #define u_quad_t unsigned long long
886 #define strtoq strtoll
887 #define strtouq strtoull
888 #endif
889
890 /* Has quad_t but these prototypes don't get pulled into scope. w/o we lose */
891 #ifdef __NetBSD__
892 quad_t strtoq __P((const char *, char **, int));
893 u_quad_t strtouq __P((const char *, char **, int));
894 #endif
895
896 #endif /* !__NETBSD_COMPAT_DEFS_H__ */
897