compat_defs.h revision 1.62 1 /* $NetBSD: compat_defs.h,v 1.62 2007/10/18 02:27:10 christos Exp $ */
2
3 #ifndef __NETBSD_COMPAT_DEFS_H__
4 #define __NETBSD_COMPAT_DEFS_H__
5
6
7 /* So _NETBSD_SOURCE doesn't end up defined. Define enough to pull in standard
8 defs. Other platforms may need similiar defines. */
9 #ifdef __NetBSD__
10 #define _ISOC99_SOURCE
11 #define _POSIX_SOURCE 1
12 #define _POSIX_C_SOURCE 200112L
13 #define _XOPEN_SOURCE 600
14 #define _NETBSD_TOOLS
15 #else
16 #undef _POSIX_SOURCE
17 #undef _POSIX_C_SOURCE
18 #endif
19
20 /* Work around some complete brain damage. */
21 /*
22 * Linux: <features.h> turns on _POSIX_SOURCE by default, even though the
23 * program (not the OS) should do that. Preload <features.h> to keep any
24 * of this crap from being pulled in, and undefine _POSIX_SOURCE.
25 */
26
27 #if defined(__linux__) && HAVE_FEATURES_H
28 #include <features.h>
29 #endif
30
31
32 /* System headers needed for (re)definitions below. */
33
34 #include <sys/types.h>
35 #include <sys/mman.h>
36 #include <sys/param.h>
37 /* time.h needs to be pulled in first at least on netbsd w/o _NETBSD_SOURCE */
38 #include <sys/time.h>
39 #include <sys/stat.h>
40 #include <errno.h>
41 #include <fcntl.h>
42 #include <grp.h>
43 #include <limits.h>
44 #include <paths.h>
45 #include <stdarg.h>
46 #include <stdio.h>
47 #include <stdlib.h>
48 #include <string.h>
49
50 #if HAVE_SYS_CDEFS_H
51 #include <sys/cdefs.h>
52 #endif
53 #if HAVE_SYS_SYSLIMITS_H
54 #include <sys/syslimits.h>
55 #endif
56 #if HAVE_SYS_SYSMACROS_H
57 /* major(), minor() on SVR4 */
58 #include <sys/sysmacros.h>
59 #endif
60 #if HAVE_INTTYPES_H
61 #include <inttypes.h>
62 #endif
63 #if HAVE_STDDEF_H
64 #include <stddef.h>
65 #endif
66
67 #ifdef _NETBSD_SOURCE
68 #error _NETBSD_SOURCE is *not* to be defined.
69 #endif
70
71 /* Need this since we can't depend on NetBSD's version to be around */
72 #ifdef __UNCONST
73 #undef __UNCONST
74 #endif
75 #define __UNCONST(a) ((void *)(unsigned long)(const void *)(a))
76
77 /* We don't include <pwd.h> here, so that "compat_pwd.h" works. */
78 struct passwd;
79
80 /* Assume an ANSI compiler for the host. */
81
82 #undef __P
83 #define __P(x) x
84
85 #ifndef __BEGIN_DECLS
86 #define __BEGIN_DECLS
87 #endif
88 #ifndef __END_DECLS
89 #define __END_DECLS
90 #endif
91
92 /* Some things usually in BSD <sys/cdefs.h>. */
93
94 #ifndef __CONCAT
95 #define __CONCAT(x,y) x ## y
96 #endif
97 #if !defined(__attribute__) && !defined(__GNUC__)
98 #define __attribute__(x)
99 #endif
100 #if !defined(__packed)
101 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
102 #define __packed __attribute__((__packed__))
103 #else
104 #define __packed error: no __packed for this compiler
105 #endif
106 #endif /* !__packed */
107 #ifndef __RENAME
108 #define __RENAME(x)
109 #endif
110 #undef __aconst
111 #define __aconst
112 #undef __dead
113 #define __dead
114 #undef __restrict
115 #define __restrict
116 #undef __unused
117 #define __unused
118
119 /* Dirent support. */
120
121 #if HAVE_DIRENT_H
122 # if defined(__linux__) && defined(__USE_BSD)
123 # undef __USE_BSD
124 # include <dirent.h>
125 # define __USE_BSD 1
126 # undef d_fileno
127 # else
128 # include <dirent.h>
129 # if defined(__DARWIN_UNIX03)
130 # undef d_fileno
131 # endif
132 # endif
133 # define NAMLEN(dirent) (strlen((dirent)->d_name))
134 #else
135 # define dirent direct
136 # define NAMLEN(dirent) ((dirent)->d_namlen)
137 # if HAVE_SYS_NDIR_H
138 # include <sys/ndir.h>
139 # endif
140 # if HAVE_SYS_DIR_H
141 # include <sys/dir.h>
142 # endif
143 # if HAVE_NDIR_H
144 # include <ndir.h>
145 # endif
146 #endif
147
148 /* Type substitutes. */
149
150 #if !HAVE_ID_T
151 typedef unsigned int id_t;
152 #endif
153
154 #if !HAVE_SOCKLEN_T
155 typedef int socklen_t;
156 #endif
157
158 #if !HAVE_U_LONG
159 typedef unsigned long u_long;
160 #endif
161
162 #if !HAVE_U_CHAR
163 typedef unsigned char u_char;
164 #endif
165
166 #if !HAVE_U_INT
167 typedef unsigned int u_int;
168 #endif
169
170 #if !HAVE_U_SHORT
171 typedef unsigned short u_short;
172 #endif
173
174 /* Prototypes for replacement functions. */
175
176 #if !HAVE_ATOLL
177 long long int atoll(const char *);
178 #endif
179
180 #if !HAVE_ASPRINTF
181 int asprintf(char **, const char *, ...);
182 #endif
183
184 #if !HAVE_ASNPRINTF
185 int asnprintf(char **, size_t, const char *, ...);
186 #endif
187
188 #if !HAVE_BASENAME
189 char *basename(char *);
190 #endif
191
192 #if !HAVE_DECL_OPTIND
193 int getopt(int, char *const *, const char *);
194 extern char *optarg;
195 extern int optind, opterr, optopt;
196 #endif
197
198 #if !HAVE_DIRNAME
199 char *dirname(char *);
200 #endif
201
202 #if !HAVE_DIRFD
203 #if HAVE_DIR_DD_FD
204 #define dirfd(dirp) ((dirp)->dd_fd)
205 #elif HAVE_DIR___DD_FD
206 #define dirfd(dirp) ((dirp)->__dd_fd)
207 #else
208 /*XXX: Very hacky but no other way to bring this into scope w/o defining
209 _NETBSD_SOURCE which we're avoiding. */
210 #ifdef __NetBSD__
211 struct _dirdesc {
212 int dd_fd; /* file descriptor associated with directory */
213 long dd_loc; /* offset in current buffer */
214 long dd_size; /* amount of data returned by getdents */
215 char *dd_buf; /* data buffer */
216 int dd_len; /* size of data buffer */
217 off_t dd_seek; /* magic cookie returned by getdents */
218 long dd_rewind; /* magic cookie for rewinding */
219 int dd_flags; /* flags for readdir */
220 void *dd_lock; /* lock for concurrent access */
221 };
222 #define dirfd(dirp) (((struct _dirdesc *)dirp)->dd_fd)
223 #else
224 #error cannot figure out how to turn a DIR * into a fd
225 #endif
226 #endif
227 #endif
228
229 #if !HAVE_ERR_H
230 void err(int, const char *, ...);
231 void errx(int, const char *, ...);
232 void warn(const char *, ...);
233 void warnx(const char *, ...);
234 #endif
235
236 #if !HAVE_ESETFUNC
237 void (*esetfunc(void (*)(int, const char *, ...)))(int, const char *, ...);
238 size_t estrlcpy(char *, const char *, size_t);
239 size_t estrlcat(char *, const char *, size_t);
240 char *estrdup(const char *);
241 char *estrndup(const char *, size_t);
242 void *ecalloc(size_t, size_t);
243 void *emalloc(size_t);
244 void *erealloc(void *, size_t);
245 FILE *efopen(const char *, const char *);
246 int easprintf(char **, const char *, ...);
247 int evasprintf(char **, const char *, va_list);
248 #endif
249
250 #if !HAVE_FGETLN || defined(__NetBSD__)
251 char *fgetln(FILE *, size_t *);
252 #endif
253
254 #if !HAVE_FLOCK
255 # define LOCK_SH 0x01
256 # define LOCK_EX 0x02
257 # define LOCK_NB 0x04
258 # define LOCK_UN 0x08
259 int flock(int, int);
260 #endif
261
262 #if !HAVE_FPARSELN || defined(__NetBSD__)
263 # define FPARSELN_UNESCESC 0x01
264 # define FPARSELN_UNESCCONT 0x02
265 # define FPARSELN_UNESCCOMM 0x04
266 # define FPARSELN_UNESCREST 0x08
267 # define FPARSELN_UNESCALL 0x0f
268 char *fparseln(FILE *, size_t *, size_t *, const char [3], int);
269 #endif
270
271 #if !HAVE_ISSETUGID
272 int issetugid(void);
273 #endif
274
275 #if !HAVE_ISBLANK && !defined(isblank)
276 #define isblank(x) ((x) == ' ' || (x) == '\t')
277 #endif
278
279 #if !HAVE_LCHFLAGS
280 int lchflags(const char *, u_long);
281 #endif
282
283 #if !HAVE_LCHMOD
284 int lchmod(const char *, mode_t);
285 #endif
286
287 #if !HAVE_LCHOWN
288 int lchown(const char *, uid_t, gid_t);
289 #endif
290
291 #define __nbcompat_bswap16(x) ((((x) << 8) & 0xff00) | (((x) >> 8) & 0x00ff))
292
293 #define __nbcompat_bswap32(x) ((((x) << 24) & 0xff000000) | \
294 (((x) << 8) & 0x00ff0000) | \
295 (((x) >> 8) & 0x0000ff00) | \
296 (((x) >> 24) & 0x000000ff))
297
298 #define __nbcompat_bswap64(x) (((u_int64_t)bswap32((x)) << 32) | \
299 ((u_int64_t)bswap32((x) >> 32)))
300
301 #if ! HAVE_DECL_BSWAP16
302 #ifdef bswap16
303 #undef bswap16
304 #endif
305 #define bswap16(x) __nbcompat_bswap16(x)
306 #endif
307 #if ! HAVE_DECL_BSWAP32
308 #ifdef bswap32
309 #undef bswap32
310 #endif
311 #define bswap32(x) __nbcompat_bswap32(x)
312 #endif
313 #if ! HAVE_DECL_BSWAP64
314 #ifdef bswap64
315 #undef bswap64
316 #endif
317 #define bswap64(x) __nbcompat_bswap64(x)
318 #endif
319
320 #if !HAVE_MKSTEMP
321 int mkstemp(char *);
322 #endif
323
324 #if !HAVE_MKDTEMP
325 char *mkdtemp(char *);
326 #endif
327
328 #if !HAVE_MKSTEMP || !HAVE_MKDTEMP
329 /* This is a prototype for the internal function. */
330 int gettemp(char *, int *, int);
331 #endif
332
333 #if !HAVE_PREAD
334 ssize_t pread(int, void *, size_t, off_t);
335 #endif
336
337 #if !HAVE_HEAPSORT
338 int heapsort (void *, size_t, size_t, int (*)(const void *, const void *));
339 #endif
340 /* Make them use our version */
341 # define heapsort __nbcompat_heapsort
342
343 #if !HAVE_PWCACHE_USERDB
344 int uid_from_user(const char *, uid_t *);
345 int pwcache_userdb(int (*)(int), void (*)(void),
346 struct passwd * (*)(const char *), struct passwd * (*)(uid_t));
347 int gid_from_group(const char *, gid_t *);
348 int pwcache_groupdb(int (*)(int), void (*)(void),
349 struct group * (*)(const char *), struct group * (*)(gid_t));
350 #endif
351 #if !HAVE_USER_FROM_UID
352 /* Make them use our version */
353 # define user_from_uid __nbcompat_user_from_uid
354 #endif
355 #if !HAVE_GROUP_FROM_GID
356 /* Make them use our version */
357 # define group_from_gid __nbcompat_group_from_gid
358 #endif
359
360 #if !HAVE_PWRITE
361 ssize_t pwrite(int, const void *, size_t, off_t);
362 #endif
363
364 #if !HAVE_RAISE_DEFAULT_SIGNAL
365 int raise_default_signal(int);
366 #endif
367
368 #if !HAVE_SETENV
369 int setenv(const char *, const char *, int);
370 #endif
371
372 #if !HAVE_DECL_SETGROUPENT
373 int setgroupent(int);
374 #endif
375
376 #if !HAVE_DECL_SETPASSENT
377 int setpassent(int);
378 #endif
379
380 #if !HAVE_SETPROGNAME || defined(__NetBSD__)
381 const char *getprogname(void);
382 void setprogname(const char *);
383 #endif
384
385 #if !HAVE_SNPRINTF
386 int snprintf(char *, size_t, const char *, ...);
387 #endif
388
389 #if !HAVE_STRLCAT
390 size_t strlcat(char *, const char *, size_t);
391 #endif
392
393 #if !HAVE_STRLCPY
394 size_t strlcpy(char *, const char *, size_t);
395 #endif
396
397 #if !HAVE_STRMODE
398 void strmode(mode_t, char *);
399 #endif
400
401 #if !HAVE_STRNDUP
402 char *strndup(const char *, size_t);
403 #endif
404
405 #if !HAVE_STRSEP || defined(__NetBSD__)
406 char *strsep(char **, const char *);
407 #endif
408
409 #if !HAVE_DECL_STRSUFTOLL
410 long long strsuftoll(const char *, const char *, long long, long long);
411 long long strsuftollx(const char *, const char *,
412 long long, long long, char *, size_t);
413 #endif
414
415 #if !HAVE_STRTOLL
416 long long strtoll(const char *, char **, int);
417 #endif
418
419 #if !HAVE_USER_FROM_UID
420 const char *user_from_uid(uid_t, int);
421 #endif
422
423 #if !HAVE_GROUP_FROM_GID
424 const char *group_from_gid(gid_t, int);
425 #endif
426
427 #if !HAVE_VASPRINTF
428 int vasprintf(char **, const char *, va_list);
429 #endif
430
431 #if !HAVE_VASNPRINTF
432 int vasnprintf(char **, size_t, const char *, va_list);
433 #endif
434
435 #if !HAVE_VSNPRINTF
436 int vsnprintf(char *, size_t, const char *, va_list);
437 #endif
438
439 /*
440 * getmode() and setmode() are always defined, as these function names
441 * exist but with very different meanings on other OS's. The compat
442 * versions here simply accept an octal mode number; the "u+x,g-w" type
443 * of syntax is not accepted.
444 */
445
446 #define getmode __nbcompat_getmode
447 #define setmode __nbcompat_setmode
448
449 mode_t getmode(const void *, mode_t);
450 void *setmode(const char *);
451
452 /* Eliminate assertions embedded in binaries. */
453
454 #undef _DIAGASSERT
455 #define _DIAGASSERT(x)
456
457 /* Various sources use this */
458 #undef __RCSID
459 #define __RCSID(x)
460 #undef __SCCSID
461 #define __SCCSID(x)
462 #undef __COPYRIGHT
463 #define __COPYRIGHT(x)
464 #undef __KERNEL_RCSID
465 #define __KERNEL_RCSID(x,y)
466
467 /* Heimdal expects this one. */
468
469 #undef RCSID
470 #define RCSID(x)
471
472 /* Some definitions not available on all systems. */
473
474 /* <errno.h> */
475
476 #ifndef EFTYPE
477 #define EFTYPE EIO
478 #endif
479
480 /* <fcntl.h> */
481
482 #ifndef O_EXLOCK
483 #define O_EXLOCK 0
484 #endif
485 #ifndef O_SHLOCK
486 #define O_SHLOCK 0
487 #endif
488
489 /* <limits.h> */
490
491 #ifndef UID_MAX
492 #define UID_MAX 32767
493 #endif
494 #ifndef GID_MAX
495 #define GID_MAX UID_MAX
496 #endif
497
498 #ifndef UQUAD_MAX
499 #define UQUAD_MAX ((u_quad_t)-1)
500 #endif
501 #ifndef QUAD_MAX
502 #define QUAD_MAX ((quad_t)(UQUAD_MAX >> 1))
503 #endif
504 #ifndef QUAD_MIN
505 #define QUAD_MIN ((quad_t)(~QUAD_MAX))
506 #endif
507 #ifndef ULLONG_MAX
508 #define ULLONG_MAX ((unsigned long long)-1)
509 #endif
510 #ifndef LLONG_MAX
511 #define LLONG_MAX ((long long)(ULLONG_MAX >> 1))
512 #endif
513 #ifndef LLONG_MIN
514 #define LLONG_MIN ((long long)(~LLONG_MAX))
515 #endif
516
517 /* <paths.h> */
518
519 /* The host's _PATH_BSHELL might be broken, so override it. */
520 #undef _PATH_BSHELL
521 #define _PATH_BSHELL PATH_BSHELL
522 #ifndef _PATH_DEFPATH
523 #define _PATH_DEFPATH "/usr/bin:/bin:/usr/local/bin"
524 #endif
525 #ifndef _PATH_DEV
526 #define _PATH_DEV "/dev/"
527 #endif
528 #ifndef _PATH_DEVNULL
529 #define _PATH_DEVNULL _PATH_DEV "null"
530 #endif
531 #ifndef _PATH_TMP
532 #define _PATH_TMP "/tmp/"
533 #endif
534 #ifndef _PATH_DEFTAPE
535 #define _PATH_DEFTAPE "/dev/nrst0"
536 #endif
537 #ifndef _PATH_VI
538 #define _PATH_VI "/usr/bin/vi"
539 #endif
540
541 /* <stdarg.h> */
542
543 #ifndef _BSD_VA_LIST_
544 #define _BSD_VA_LIST_ va_list
545 #endif
546
547 /* <stdint.h> */
548
549 #if !defined(SIZE_MAX) && defined(SIZE_T_MAX)
550 #define SIZE_MAX SIZE_T_MAX
551 #endif
552
553 #ifndef UINT8_MAX
554 #define UINT8_MAX 0xffU
555 #endif
556
557 #ifndef UINT16_MAX
558 #define UINT16_MAX 0xffffU
559 #endif
560
561 #ifndef UINT32_MAX
562 #define UINT32_MAX 0xffffffffU
563 #endif
564
565 /* <stdlib.h> */
566
567 #ifndef __GNUC__
568 # if HAVE_ALLOCA_H
569 # include <alloca.h>
570 # else
571 # ifndef alloca /* predefined by HP cc +Olibcalls */
572 char *alloca ();
573 # endif
574 # endif
575 #endif
576
577 /* avoid prototype conflicts with host */
578 #define cgetcap __nbcompat_cgetcap
579 #define cgetclose __nbcompat_cgetclose
580 #define cgetent __nbcompat_cgetent
581 #define cgetfirst __nbcompat_cgetfirst
582 #define cgetmatch __nbcompat_cgetmatch
583 #define cgetnext __nbcompat_cgetnext
584 #define cgetnum __nbcompat_cgetnum
585 #define cgetset __nbcompat_cgetset
586 #define cgetstr __nbcompat_cgetstr
587 #define cgetustr __nbcompat_cgetustr
588
589 char *cgetcap(char *, const char *, int);
590 int cgetclose(void);
591 int cgetent(char **, const char * const *, const char *);
592 int cgetfirst(char **, const char * const *);
593 int cgetmatch(const char *, const char *);
594 int cgetnext(char **, const char * const *);
595 int cgetnum(char *, const char *, long *);
596 int cgetset(const char *);
597 int cgetstr(char *, const char *, char **);
598 int cgetustr(char *, const char *, char **);
599
600 /* <sys/endian.h> */
601
602 #if WORDS_BIGENDIAN
603 #if !HAVE_DECL_HTOBE16
604 #define htobe16(x) (x)
605 #endif
606 #if !HAVE_DECL_HTOBE32
607 #define htobe32(x) (x)
608 #endif
609 #if !HAVE_DECL_HTOBE64
610 #define htobe64(x) (x)
611 #endif
612 #if !HAVE_DECL_HTOLE16
613 #define htole16(x) bswap16((u_int16_t)(x))
614 #endif
615 #if !HAVE_DECL_HTOLE32
616 #define htole32(x) bswap32((u_int32_t)(x))
617 #endif
618 #if !HAVE_DECL_HTOLE64
619 #define htole64(x) bswap64((u_int64_t)(x))
620 #endif
621 #else
622 #if !HAVE_DECL_HTOBE16
623 #define htobe16(x) bswap16((u_int16_t)(x))
624 #endif
625 #if !HAVE_DECL_HTOBE32
626 #define htobe32(x) bswap32((u_int32_t)(x))
627 #endif
628 #if !HAVE_DECL_HTOBE64
629 #define htobe64(x) bswap64((u_int64_t)(x))
630 #endif
631 #if !HAVE_DECL_HTOLE16
632 #define htole16(x) (x)
633 #endif
634 #if !HAVE_DECL_HTOLE32
635 #define htole32(x) (x)
636 #endif
637 #if !HAVE_DECL_HTOLE64
638 #define htole64(x) (x)
639 #endif
640 #endif
641 #if !HAVE_DECL_BE16TOH
642 #define be16toh(x) htobe16(x)
643 #endif
644 #if !HAVE_DECL_BE32TOH
645 #define be32toh(x) htobe32(x)
646 #endif
647 #if !HAVE_DECL_BE64TOH
648 #define be64toh(x) htobe64(x)
649 #endif
650 #if !HAVE_DECL_LE16TOH
651 #define le16toh(x) htole16(x)
652 #endif
653 #if !HAVE_DECL_LE32TOH
654 #define le32toh(x) htole32(x)
655 #endif
656 #if !HAVE_DECL_LE64TOH
657 #define le64toh(x) htole64(x)
658 #endif
659
660 #define __GEN_ENDIAN_ENC(bits, endian) \
661 static void \
662 endian ## bits ## enc(void *dst, uint ## bits ## _t u) \
663 { \
664 u = hto ## endian ## bits (u); \
665 memcpy(dst, &u, sizeof(u)); \
666 }
667 #if !HAVE_DECL_BE16ENC
668 __GEN_ENDIAN_ENC(16, be)
669 #endif
670 #if !HAVE_DECL_BE32ENC
671 __GEN_ENDIAN_ENC(32, be)
672 #endif
673 #if !HAVE_DECL_BE64ENC
674 __GEN_ENDIAN_ENC(64, be)
675 #endif
676 #if !HAVE_DECL_LE16ENC
677 __GEN_ENDIAN_ENC(16, le)
678 #endif
679 #if !HAVE_DECL_LE32ENC
680 __GEN_ENDIAN_ENC(32, le)
681 #endif
682 #if !HAVE_DECL_LE64ENC
683 __GEN_ENDIAN_ENC(64, le)
684 #endif
685 #undef __GEN_ENDIAN_ENC
686
687 #define __GEN_ENDIAN_DEC(bits, endian) \
688 static uint ## bits ## _t \
689 endian ## bits ## dec(const void *buf) \
690 { \
691 uint ## bits ## _t u; \
692 memcpy(&u, buf, sizeof(u)); \
693 return endian ## bits ## toh (u); \
694 }
695 #if !HAVE_DECL_BE16DEC
696 __GEN_ENDIAN_DEC(16, be)
697 #endif
698 #if !HAVE_DECL_BE32DEC
699 __GEN_ENDIAN_DEC(32, be)
700 #endif
701 #if !HAVE_DECL_BE64DEC
702 __GEN_ENDIAN_DEC(64, be)
703 #endif
704 #if !HAVE_DECL_LE16DEC
705 __GEN_ENDIAN_DEC(16, le)
706 #endif
707 #if !HAVE_DECL_LE32DEC
708 __GEN_ENDIAN_DEC(32, le)
709 #endif
710 #if !HAVE_DECL_LE64DEC
711 __GEN_ENDIAN_DEC(64, le)
712 #endif
713 #undef __GEN_ENDIAN_DEC
714
715 /* <sys/mman.h> */
716
717 #ifndef MAP_FILE
718 #define MAP_FILE 0
719 #endif
720
721 /* HP-UX has MAP_ANONYMOUS but not MAP_ANON */
722 #ifndef MAP_ANON
723 #ifdef MAP_ANONYMOUS
724 #define MAP_ANON MAP_ANONYMOUS
725 #endif
726 #endif
727
728 /* <sys/param.h> */
729
730 #undef BIG_ENDIAN
731 #undef LITTLE_ENDIAN
732 #define BIG_ENDIAN 4321
733 #define LITTLE_ENDIAN 1234
734
735 #undef BYTE_ORDER
736 #if WORDS_BIGENDIAN
737 #define BYTE_ORDER BIG_ENDIAN
738 #else
739 #define BYTE_ORDER LITTLE_ENDIAN
740 #endif
741
742 #ifndef DEV_BSIZE
743 #define DEV_BSIZE (1 << 9)
744 #endif
745
746 #undef MIN
747 #undef MAX
748 #define MIN(a,b) ((a) < (b) ? (a) : (b))
749 #define MAX(a,b) ((a) > (b) ? (a) : (b))
750
751 #ifndef MAXBSIZE
752 #define MAXBSIZE (64 * 1024)
753 #endif
754 #ifndef MAXFRAG
755 #define MAXFRAG 8
756 #endif
757 #ifndef MAXPHYS
758 #define MAXPHYS (64 * 1024)
759 #endif
760
761 /* XXX needed by makefs; this should be done in a better way */
762 #undef btodb
763 #define btodb(x) ((x) << 9)
764
765 #undef setbit
766 #undef clrbit
767 #undef isset
768 #undef isclr
769 #define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
770 #define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
771 #define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
772 #define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
773
774 #ifndef powerof2
775 #define powerof2(x) ((((x)-1)&(x))==0)
776 #endif
777
778 #undef roundup
779 #define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
780
781 /* <sys/stat.h> */
782
783 #ifndef ALLPERMS
784 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
785 #endif
786 #ifndef DEFFILEMODE
787 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
788 #endif
789 #ifndef S_ISTXT
790 #ifdef S_ISVTX
791 #define S_ISTXT S_ISVTX
792 #else
793 #define S_ISTXT 0
794 #endif
795 #endif
796
797 /* Protected by _NETBSD_SOURCE otherwise. */
798 #if HAVE_STRUCT_STAT_ST_FLAGS && defined(__NetBSD__)
799 #define UF_SETTABLE 0x0000ffff
800 #define UF_NODUMP 0x00000001
801 #define UF_IMMUTABLE 0x00000002
802 #define UF_APPEND 0x00000004
803 #define UF_OPAQUE 0x00000008
804 #define SF_SETTABLE 0xffff0000
805 #define SF_ARCHIVED 0x00010000
806 #define SF_IMMUTABLE 0x00020000
807 #define SF_APPEND 0x00040000
808 #endif
809
810 /* <sys/syslimits.h> */
811
812 #ifndef LINE_MAX
813 #define LINE_MAX 2048
814 #endif
815
816 /* <sys/time.h> */
817
818 #ifndef timercmp
819 #define timercmp(tvp, uvp, cmp) \
820 (((tvp)->tv_sec == (uvp)->tv_sec) ? \
821 ((tvp)->tv_usec cmp (uvp)->tv_usec) : \
822 ((tvp)->tv_sec cmp (uvp)->tv_sec))
823 #endif
824 #ifndef timeradd
825 #define timeradd(tvp, uvp, vvp) \
826 do { \
827 (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \
828 (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \
829 if ((vvp)->tv_usec >= 1000000) { \
830 (vvp)->tv_sec++; \
831 (vvp)->tv_usec -= 1000000; \
832 } \
833 } while (/* CONSTCOND */ 0)
834 #endif
835 #ifndef timersub
836 #define timersub(tvp, uvp, vvp) \
837 do { \
838 (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
839 (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \
840 if ((vvp)->tv_usec < 0) { \
841 (vvp)->tv_sec--; \
842 (vvp)->tv_usec += 1000000; \
843 } \
844 } while (/* CONSTCOND */ 0)
845 #endif
846
847 /* <sys/types.h> */
848
849 #ifdef major
850 #undef major
851 #endif
852 #define major(x) ((int32_t)((((x) & 0x000fff00) >> 8)))
853
854 #ifdef minor
855 #undef minor
856 #endif
857 #define minor(x) ((int32_t)((((x) & 0xfff00000) >> 12) | \
858 (((x) & 0x000000ff) >> 0)))
859 #ifdef makedev
860 #undef makedev
861 #endif
862 #define makedev(x,y) ((dev_t)((((x) << 8) & 0x000fff00) | \
863 (((y) << 12) & 0xfff00000) | \
864 (((y) << 0) & 0x000000ff)))
865 #ifndef NBBY
866 #define NBBY 8
867 #endif
868
869 #if !HAVE_U_QUAD_T
870 /* #define, not typedef, as quad_t exists as a struct on some systems */
871 #define quad_t long long
872 #define u_quad_t unsigned long long
873 #define strtoq strtoll
874 #define strtouq strtoull
875 #endif
876
877 /* Has quad_t but these prototypes don't get pulled into scope. w/o we lose */
878 #ifdef __NetBSD__
879 quad_t strtoq __P((const char *, char **, int));
880 u_quad_t strtouq __P((const char *, char **, int));
881 #endif
882
883 #endif /* !__NETBSD_COMPAT_DEFS_H__ */
884