compat_defs.h revision 1.61 1 /* $NetBSD: compat_defs.h,v 1.61 2007/09/28 09:11:11 lukem Exp $ */
2
3 #ifndef __NETBSD_COMPAT_DEFS_H__
4 #define __NETBSD_COMPAT_DEFS_H__
5
6 /* Work around some complete brain damage. */
7
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 #if !HAVE_LCHFLAGS
278 int lchflags(const char *, u_long);
279 #endif
280
281 #if !HAVE_LCHMOD
282 int lchmod(const char *, mode_t);
283 #endif
284
285 #if !HAVE_LCHOWN
286 int lchown(const char *, uid_t, gid_t);
287 #endif
288
289 #define __nbcompat_bswap16(x) ((((x) << 8) & 0xff00) | (((x) >> 8) & 0x00ff))
290
291 #define __nbcompat_bswap32(x) ((((x) << 24) & 0xff000000) | \
292 (((x) << 8) & 0x00ff0000) | \
293 (((x) >> 8) & 0x0000ff00) | \
294 (((x) >> 24) & 0x000000ff))
295
296 #define __nbcompat_bswap64(x) (((u_int64_t)bswap32((x)) << 32) | \
297 ((u_int64_t)bswap32((x) >> 32)))
298
299 #if ! HAVE_DECL_BSWAP16
300 #ifdef bswap16
301 #undef bswap16
302 #endif
303 #define bswap16(x) __nbcompat_bswap16(x)
304 #endif
305 #if ! HAVE_DECL_BSWAP32
306 #ifdef bswap32
307 #undef bswap32
308 #endif
309 #define bswap32(x) __nbcompat_bswap32(x)
310 #endif
311 #if ! HAVE_DECL_BSWAP64
312 #ifdef bswap64
313 #undef bswap64
314 #endif
315 #define bswap64(x) __nbcompat_bswap64(x)
316 #endif
317
318 #if !HAVE_MKSTEMP
319 int mkstemp(char *);
320 #endif
321
322 #if !HAVE_MKDTEMP
323 char *mkdtemp(char *);
324 #endif
325
326 #if !HAVE_MKSTEMP || !HAVE_MKDTEMP
327 /* This is a prototype for the internal function. */
328 int gettemp(char *, int *, int);
329 #endif
330
331 #if !HAVE_PREAD
332 ssize_t pread(int, void *, size_t, off_t);
333 #endif
334
335 #if !HAVE_HEAPSORT
336 int heapsort (void *, size_t, size_t, int (*)(const void *, const void *));
337 #endif
338 /* Make them use our version */
339 # define heapsort __nbcompat_heapsort
340
341 #if !HAVE_PWCACHE_USERDB
342 int uid_from_user(const char *, uid_t *);
343 int pwcache_userdb(int (*)(int), void (*)(void),
344 struct passwd * (*)(const char *), struct passwd * (*)(uid_t));
345 int gid_from_group(const char *, gid_t *);
346 int pwcache_groupdb(int (*)(int), void (*)(void),
347 struct group * (*)(const char *), struct group * (*)(gid_t));
348 #endif
349 /* Make them use our version */
350 # define user_from_uid __nbcompat_user_from_uid
351 /* Make them use our version */
352 # define group_from_gid __nbcompat_group_from_gid
353
354 #if !HAVE_PWRITE
355 ssize_t pwrite(int, const void *, size_t, off_t);
356 #endif
357
358 #if !HAVE_RAISE_DEFAULT_SIGNAL
359 int raise_default_signal(int);
360 #endif
361
362 #if !HAVE_SETENV
363 int setenv(const char *, const char *, int);
364 #endif
365
366 #if !HAVE_DECL_SETGROUPENT
367 int setgroupent(int);
368 #endif
369
370 #if !HAVE_DECL_SETPASSENT
371 int setpassent(int);
372 #endif
373
374 #if !HAVE_SETPROGNAME || defined(__NetBSD__)
375 const char *getprogname(void);
376 void setprogname(const char *);
377 #endif
378
379 #if !HAVE_SNPRINTF
380 int snprintf(char *, size_t, const char *, ...);
381 #endif
382
383 #if !HAVE_STRLCAT
384 size_t strlcat(char *, const char *, size_t);
385 #endif
386
387 #if !HAVE_STRLCPY
388 size_t strlcpy(char *, const char *, size_t);
389 #endif
390
391 #if !HAVE_STRMODE
392 void strmode(mode_t, char *);
393 #endif
394
395 #if !HAVE_STRNDUP
396 char *strndup(const char *, size_t);
397 #endif
398
399 #if !HAVE_STRSEP || defined(__NetBSD__)
400 char *strsep(char **, const char *);
401 #endif
402
403 #if !HAVE_DECL_STRSUFTOLL
404 long long strsuftoll(const char *, const char *, long long, long long);
405 long long strsuftollx(const char *, const char *,
406 long long, long long, char *, size_t);
407 #endif
408
409 #if !HAVE_STRTOLL
410 long long strtoll(const char *, char **, int);
411 #endif
412
413 #if !HAVE_USER_FROM_UID
414 const char *user_from_uid(uid_t, int);
415 #endif
416
417 #if !HAVE_GROUP_FROM_GID
418 const char *group_from_gid(gid_t, int);
419 #endif
420
421 #if !HAVE_VASPRINTF
422 int vasprintf(char **, const char *, va_list);
423 #endif
424
425 #if !HAVE_VASNPRINTF
426 int vasnprintf(char **, size_t, const char *, va_list);
427 #endif
428
429 #if !HAVE_VSNPRINTF
430 int vsnprintf(char *, size_t, const char *, va_list);
431 #endif
432
433 /*
434 * getmode() and setmode() are always defined, as these function names
435 * exist but with very different meanings on other OS's. The compat
436 * versions here simply accept an octal mode number; the "u+x,g-w" type
437 * of syntax is not accepted.
438 */
439
440 #define getmode __nbcompat_getmode
441 #define setmode __nbcompat_setmode
442
443 mode_t getmode(const void *, mode_t);
444 void *setmode(const char *);
445
446 /* Eliminate assertions embedded in binaries. */
447
448 #undef _DIAGASSERT
449 #define _DIAGASSERT(x)
450
451 /* Various sources use this */
452 #undef __RCSID
453 #define __RCSID(x)
454 #undef __SCCSID
455 #define __SCCSID(x)
456 #undef __COPYRIGHT
457 #define __COPYRIGHT(x)
458 #undef __KERNEL_RCSID
459 #define __KERNEL_RCSID(x,y)
460
461 /* Heimdal expects this one. */
462
463 #undef RCSID
464 #define RCSID(x)
465
466 /* Some definitions not available on all systems. */
467
468 /* <errno.h> */
469
470 #ifndef EFTYPE
471 #define EFTYPE EIO
472 #endif
473
474 /* <fcntl.h> */
475
476 #ifndef O_EXLOCK
477 #define O_EXLOCK 0
478 #endif
479 #ifndef O_SHLOCK
480 #define O_SHLOCK 0
481 #endif
482
483 /* <limits.h> */
484
485 #ifndef UID_MAX
486 #define UID_MAX 32767
487 #endif
488 #ifndef GID_MAX
489 #define GID_MAX UID_MAX
490 #endif
491
492 #ifndef UQUAD_MAX
493 #define UQUAD_MAX ((u_quad_t)-1)
494 #endif
495 #ifndef QUAD_MAX
496 #define QUAD_MAX ((quad_t)(UQUAD_MAX >> 1))
497 #endif
498 #ifndef QUAD_MIN
499 #define QUAD_MIN ((quad_t)(~QUAD_MAX))
500 #endif
501 #ifndef ULLONG_MAX
502 #define ULLONG_MAX ((unsigned long long)-1)
503 #endif
504 #ifndef LLONG_MAX
505 #define LLONG_MAX ((long long)(ULLONG_MAX >> 1))
506 #endif
507 #ifndef LLONG_MIN
508 #define LLONG_MIN ((long long)(~LLONG_MAX))
509 #endif
510
511 /* <paths.h> */
512
513 /* The host's _PATH_BSHELL might be broken, so override it. */
514 #undef _PATH_BSHELL
515 #define _PATH_BSHELL PATH_BSHELL
516 #ifndef _PATH_DEFPATH
517 #define _PATH_DEFPATH "/usr/bin:/bin:/usr/local/bin"
518 #endif
519 #ifndef _PATH_DEV
520 #define _PATH_DEV "/dev/"
521 #endif
522 #ifndef _PATH_DEVNULL
523 #define _PATH_DEVNULL _PATH_DEV "null"
524 #endif
525 #ifndef _PATH_TMP
526 #define _PATH_TMP "/tmp/"
527 #endif
528 #ifndef _PATH_DEFTAPE
529 #define _PATH_DEFTAPE "/dev/nrst0"
530 #endif
531 #ifndef _PATH_VI
532 #define _PATH_VI "/usr/bin/vi"
533 #endif
534
535 /* <stdarg.h> */
536
537 #ifndef _BSD_VA_LIST_
538 #define _BSD_VA_LIST_ va_list
539 #endif
540
541 /* <stdint.h> */
542
543 #if !defined(SIZE_MAX) && defined(SIZE_T_MAX)
544 #define SIZE_MAX SIZE_T_MAX
545 #endif
546
547 #ifndef UINT8_MAX
548 #define UINT8_MAX 0xffU
549 #endif
550
551 #ifndef UINT16_MAX
552 #define UINT16_MAX 0xffffU
553 #endif
554
555 #ifndef UINT32_MAX
556 #define UINT32_MAX 0xffffffffU
557 #endif
558
559 /* <stdlib.h> */
560
561 #ifndef __GNUC__
562 # if HAVE_ALLOCA_H
563 # include <alloca.h>
564 # else
565 # ifndef alloca /* predefined by HP cc +Olibcalls */
566 char *alloca ();
567 # endif
568 # endif
569 #endif
570
571 /* avoid prototype conflicts with host */
572 #define cgetcap __nbcompat_cgetcap
573 #define cgetclose __nbcompat_cgetclose
574 #define cgetent __nbcompat_cgetent
575 #define cgetfirst __nbcompat_cgetfirst
576 #define cgetmatch __nbcompat_cgetmatch
577 #define cgetnext __nbcompat_cgetnext
578 #define cgetnum __nbcompat_cgetnum
579 #define cgetset __nbcompat_cgetset
580 #define cgetstr __nbcompat_cgetstr
581 #define cgetustr __nbcompat_cgetustr
582
583 char *cgetcap(char *, const char *, int);
584 int cgetclose(void);
585 int cgetent(char **, const char * const *, const char *);
586 int cgetfirst(char **, const char * const *);
587 int cgetmatch(const char *, const char *);
588 int cgetnext(char **, const char * const *);
589 int cgetnum(char *, const char *, long *);
590 int cgetset(const char *);
591 int cgetstr(char *, const char *, char **);
592 int cgetustr(char *, const char *, char **);
593
594 /* <sys/endian.h> */
595
596 #if WORDS_BIGENDIAN
597 #if !HAVE_DECL_HTOBE16
598 #define htobe16(x) (x)
599 #endif
600 #if !HAVE_DECL_HTOBE32
601 #define htobe32(x) (x)
602 #endif
603 #if !HAVE_DECL_HTOBE64
604 #define htobe64(x) (x)
605 #endif
606 #if !HAVE_DECL_HTOLE16
607 #define htole16(x) bswap16((u_int16_t)(x))
608 #endif
609 #if !HAVE_DECL_HTOLE32
610 #define htole32(x) bswap32((u_int32_t)(x))
611 #endif
612 #if !HAVE_DECL_HTOLE64
613 #define htole64(x) bswap64((u_int64_t)(x))
614 #endif
615 #else
616 #if !HAVE_DECL_HTOBE16
617 #define htobe16(x) bswap16((u_int16_t)(x))
618 #endif
619 #if !HAVE_DECL_HTOBE32
620 #define htobe32(x) bswap32((u_int32_t)(x))
621 #endif
622 #if !HAVE_DECL_HTOBE64
623 #define htobe64(x) bswap64((u_int64_t)(x))
624 #endif
625 #if !HAVE_DECL_HTOLE16
626 #define htole16(x) (x)
627 #endif
628 #if !HAVE_DECL_HTOLE32
629 #define htole32(x) (x)
630 #endif
631 #if !HAVE_DECL_HTOLE64
632 #define htole64(x) (x)
633 #endif
634 #endif
635 #if !HAVE_DECL_BE16TOH
636 #define be16toh(x) htobe16(x)
637 #endif
638 #if !HAVE_DECL_BE32TOH
639 #define be32toh(x) htobe32(x)
640 #endif
641 #if !HAVE_DECL_BE64TOH
642 #define be64toh(x) htobe64(x)
643 #endif
644 #if !HAVE_DECL_LE16TOH
645 #define le16toh(x) htole16(x)
646 #endif
647 #if !HAVE_DECL_LE32TOH
648 #define le32toh(x) htole32(x)
649 #endif
650 #if !HAVE_DECL_LE64TOH
651 #define le64toh(x) htole64(x)
652 #endif
653
654 #define __GEN_ENDIAN_ENC(bits, endian) \
655 static void \
656 endian ## bits ## enc(void *dst, uint ## bits ## _t u) \
657 { \
658 u = hto ## endian ## bits (u); \
659 memcpy(dst, &u, sizeof(u)); \
660 }
661 #if !HAVE_DECL_BE16ENC
662 __GEN_ENDIAN_ENC(16, be)
663 #endif
664 #if !HAVE_DECL_BE32ENC
665 __GEN_ENDIAN_ENC(32, be)
666 #endif
667 #if !HAVE_DECL_BE64ENC
668 __GEN_ENDIAN_ENC(64, be)
669 #endif
670 #if !HAVE_DECL_LE16ENC
671 __GEN_ENDIAN_ENC(16, le)
672 #endif
673 #if !HAVE_DECL_LE32ENC
674 __GEN_ENDIAN_ENC(32, le)
675 #endif
676 #if !HAVE_DECL_LE64ENC
677 __GEN_ENDIAN_ENC(64, le)
678 #endif
679 #undef __GEN_ENDIAN_ENC
680
681 #define __GEN_ENDIAN_DEC(bits, endian) \
682 static uint ## bits ## _t \
683 endian ## bits ## dec(const void *buf) \
684 { \
685 uint ## bits ## _t u; \
686 memcpy(&u, buf, sizeof(u)); \
687 return endian ## bits ## toh (u); \
688 }
689 #if !HAVE_DECL_BE16DEC
690 __GEN_ENDIAN_DEC(16, be)
691 #endif
692 #if !HAVE_DECL_BE32DEC
693 __GEN_ENDIAN_DEC(32, be)
694 #endif
695 #if !HAVE_DECL_BE64DEC
696 __GEN_ENDIAN_DEC(64, be)
697 #endif
698 #if !HAVE_DECL_LE16DEC
699 __GEN_ENDIAN_DEC(16, le)
700 #endif
701 #if !HAVE_DECL_LE32DEC
702 __GEN_ENDIAN_DEC(32, le)
703 #endif
704 #if !HAVE_DECL_LE64DEC
705 __GEN_ENDIAN_DEC(64, le)
706 #endif
707 #undef __GEN_ENDIAN_DEC
708
709 /* <sys/mman.h> */
710
711 #ifndef MAP_FILE
712 #define MAP_FILE 0
713 #endif
714
715 /* HP-UX has MAP_ANONYMOUS but not MAP_ANON */
716 #ifndef MAP_ANON
717 #ifdef MAP_ANONYMOUS
718 #define MAP_ANON MAP_ANONYMOUS
719 #endif
720 #endif
721
722 /* <sys/param.h> */
723
724 #undef BIG_ENDIAN
725 #undef LITTLE_ENDIAN
726 #define BIG_ENDIAN 4321
727 #define LITTLE_ENDIAN 1234
728
729 #undef BYTE_ORDER
730 #if WORDS_BIGENDIAN
731 #define BYTE_ORDER BIG_ENDIAN
732 #else
733 #define BYTE_ORDER LITTLE_ENDIAN
734 #endif
735
736 #ifndef DEV_BSIZE
737 #define DEV_BSIZE (1 << 9)
738 #endif
739
740 #undef MIN
741 #undef MAX
742 #define MIN(a,b) ((a) < (b) ? (a) : (b))
743 #define MAX(a,b) ((a) > (b) ? (a) : (b))
744
745 #ifndef MAXBSIZE
746 #define MAXBSIZE (64 * 1024)
747 #endif
748 #ifndef MAXFRAG
749 #define MAXFRAG 8
750 #endif
751 #ifndef MAXPHYS
752 #define MAXPHYS (64 * 1024)
753 #endif
754
755 /* XXX needed by makefs; this should be done in a better way */
756 #undef btodb
757 #define btodb(x) ((x) << 9)
758
759 #undef setbit
760 #undef clrbit
761 #undef isset
762 #undef isclr
763 #define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
764 #define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
765 #define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
766 #define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
767
768 #ifndef powerof2
769 #define powerof2(x) ((((x)-1)&(x))==0)
770 #endif
771
772 #undef roundup
773 #define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
774
775 /* <sys/stat.h> */
776
777 #ifndef ALLPERMS
778 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
779 #endif
780 #ifndef DEFFILEMODE
781 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
782 #endif
783 #ifndef S_ISTXT
784 #ifdef S_ISVTX
785 #define S_ISTXT S_ISVTX
786 #else
787 #define S_ISTXT 0
788 #endif
789 #endif
790
791 /* Protected by _NETBSD_SOURCE otherwise. */
792 #if HAVE_STRUCT_STAT_ST_FLAGS && defined(__NetBSD__)
793 #define UF_SETTABLE 0x0000ffff
794 #define UF_NODUMP 0x00000001
795 #define UF_IMMUTABLE 0x00000002
796 #define UF_APPEND 0x00000004
797 #define UF_OPAQUE 0x00000008
798 #define SF_SETTABLE 0xffff0000
799 #define SF_ARCHIVED 0x00010000
800 #define SF_IMMUTABLE 0x00020000
801 #define SF_APPEND 0x00040000
802 #endif
803
804 /* <sys/syslimits.h> */
805
806 #ifndef LINE_MAX
807 #define LINE_MAX 2048
808 #endif
809
810 /* <sys/time.h> */
811
812 #ifndef timercmp
813 #define timercmp(tvp, uvp, cmp) \
814 (((tvp)->tv_sec == (uvp)->tv_sec) ? \
815 ((tvp)->tv_usec cmp (uvp)->tv_usec) : \
816 ((tvp)->tv_sec cmp (uvp)->tv_sec))
817 #endif
818 #ifndef timeradd
819 #define timeradd(tvp, uvp, vvp) \
820 do { \
821 (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \
822 (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \
823 if ((vvp)->tv_usec >= 1000000) { \
824 (vvp)->tv_sec++; \
825 (vvp)->tv_usec -= 1000000; \
826 } \
827 } while (/* CONSTCOND */ 0)
828 #endif
829 #ifndef timersub
830 #define timersub(tvp, uvp, vvp) \
831 do { \
832 (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
833 (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \
834 if ((vvp)->tv_usec < 0) { \
835 (vvp)->tv_sec--; \
836 (vvp)->tv_usec += 1000000; \
837 } \
838 } while (/* CONSTCOND */ 0)
839 #endif
840
841 /* <sys/types.h> */
842
843 #ifdef major
844 #undef major
845 #endif
846 #define major(x) ((int32_t)((((x) & 0x000fff00) >> 8)))
847
848 #ifdef minor
849 #undef minor
850 #endif
851 #define minor(x) ((int32_t)((((x) & 0xfff00000) >> 12) | \
852 (((x) & 0x000000ff) >> 0)))
853 #ifdef makedev
854 #undef makedev
855 #endif
856 #define makedev(x,y) ((dev_t)((((x) << 8) & 0x000fff00) | \
857 (((y) << 12) & 0xfff00000) | \
858 (((y) << 0) & 0x000000ff)))
859 #ifndef NBBY
860 #define NBBY 8
861 #endif
862
863 #if !HAVE_U_QUAD_T
864 /* #define, not typedef, as quad_t exists as a struct on some systems */
865 #define quad_t long long
866 #define u_quad_t unsigned long long
867 #define strtoq strtoll
868 #define strtouq strtoull
869 #endif
870
871 /* Has quad_t but these prototypes don't get pulled into scope. w/o we lose */
872 #ifdef __NetBSD__
873 quad_t strtoq __P((const char *, char **, int));
874 u_quad_t strtouq __P((const char *, char **, int));
875 #endif
876
877 #endif /* !__NETBSD_COMPAT_DEFS_H__ */
878