xref: /netbsd-src/tools/compat/compat_defs.h (revision ce2c90c7c172d95d2402a5b3d96d8f8e6d138a21)
1 /*	$NetBSD: compat_defs.h,v 1.57 2006/10/12 16:19:06 christos 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 long 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 void *ecalloc(size_t, size_t);
240 void *emalloc(size_t);
241 void *erealloc(void *, size_t);
242 FILE *efopen(const char *, const char *);
243 int easprintf(char **, const char *, ...);
244 int evasprintf(char **, const char *, va_list);
245 #endif
246 
247 #if !HAVE_FGETLN || defined(__NetBSD__)
248 char *fgetln(FILE *, size_t *);
249 #endif
250 
251 #if !HAVE_FLOCK
252 # define LOCK_SH		0x01
253 # define LOCK_EX		0x02
254 # define LOCK_NB		0x04
255 # define LOCK_UN		0x08
256 int flock(int, int);
257 #endif
258 
259 #if !HAVE_FPARSELN || defined(__NetBSD__)
260 # define FPARSELN_UNESCESC	0x01
261 # define FPARSELN_UNESCCONT	0x02
262 # define FPARSELN_UNESCCOMM	0x04
263 # define FPARSELN_UNESCREST	0x08
264 # define FPARSELN_UNESCALL	0x0f
265 char *fparseln(FILE *, size_t *, size_t *, const char [3], int);
266 #endif
267 
268 #if !HAVE_ISSETUGID
269 int issetugid(void);
270 #endif
271 
272 #if !HAVE_ISBLANK && !defined(isblank)
273 #define isblank(x) ((x) == ' ' || (x) == '\t')
274 #endif
275 
276 #if !HAVE_LCHFLAGS
277 int lchflags(const char *, u_long);
278 #endif
279 
280 #if !HAVE_LCHMOD
281 int lchmod(const char *, mode_t);
282 #endif
283 
284 #if !HAVE_LCHOWN
285 int lchown(const char *, uid_t, gid_t);
286 #endif
287 
288 #define __nbcompat_bswap16(x)	((((x) << 8) & 0xff00) | (((x) >> 8) & 0x00ff))
289 
290 #define __nbcompat_bswap32(x)	((((x) << 24) & 0xff000000) | \
291 				 (((x) <<  8) & 0x00ff0000) | \
292 				 (((x) >>  8) & 0x0000ff00) | \
293 				 (((x) >> 24) & 0x000000ff))
294 
295 #define __nbcompat_bswap64(x)	(((u_int64_t)bswap32((x)) << 32) | \
296 				 ((u_int64_t)bswap32((x) >> 32)))
297 
298 #if ! HAVE_DECL_BSWAP16
299 #ifdef bswap16
300 #undef bswap16
301 #endif
302 #define bswap16(x)	__nbcompat_bswap16(x)
303 #endif
304 #if ! HAVE_DECL_BSWAP32
305 #ifdef bswap32
306 #undef bswap32
307 #endif
308 #define bswap32(x)	__nbcompat_bswap32(x)
309 #endif
310 #if ! HAVE_DECL_BSWAP64
311 #ifdef bswap64
312 #undef bswap64
313 #endif
314 #define bswap64(x)	__nbcompat_bswap64(x)
315 #endif
316 
317 #if !HAVE_MKSTEMP
318 int mkstemp(char *);
319 #endif
320 
321 #if !HAVE_MKDTEMP
322 char *mkdtemp(char *);
323 #endif
324 
325 #if !HAVE_MKSTEMP || !HAVE_MKDTEMP
326 /* This is a prototype for the internal function. */
327 int gettemp(char *, int *, int);
328 #endif
329 
330 #if !HAVE_PREAD
331 ssize_t pread(int, void *, size_t, off_t);
332 #endif
333 
334 #if !HAVE_HEAPSORT
335 int heapsort (void *, size_t, size_t, int (*)(const void *, const void *));
336 #endif
337 /* Make them use our version */
338 #  define heapsort __nbcompat_heapsort
339 
340 #if !HAVE_PWCACHE_USERDB
341 int uid_from_user(const char *, uid_t *);
342 int pwcache_userdb(int (*)(int), void (*)(void),
343 		struct passwd * (*)(const char *), struct passwd * (*)(uid_t));
344 int gid_from_group(const char *, gid_t *);
345 int pwcache_groupdb(int (*)(int), void (*)(void),
346 		struct group * (*)(const char *), struct group * (*)(gid_t));
347 #endif
348 /* Make them use our version */
349 #  define user_from_uid __nbcompat_user_from_uid
350 /* Make them use our version */
351 #  define group_from_gid __nbcompat_group_from_gid
352 
353 #if !HAVE_PWRITE
354 ssize_t pwrite(int, const void *, size_t, off_t);
355 #endif
356 
357 #if !HAVE_SETENV
358 int setenv(const char *, const char *, int);
359 #endif
360 
361 #if !HAVE_DECL_SETGROUPENT
362 int setgroupent(int);
363 #endif
364 
365 #if !HAVE_DECL_SETPASSENT
366 int setpassent(int);
367 #endif
368 
369 #if !HAVE_SETPROGNAME || defined(__NetBSD__)
370 const char *getprogname(void);
371 void setprogname(const char *);
372 #endif
373 
374 #if !HAVE_SNPRINTF
375 int snprintf(char *, size_t, const char *, ...);
376 #endif
377 
378 #if !HAVE_STRLCAT
379 size_t strlcat(char *, const char *, size_t);
380 #endif
381 
382 #if !HAVE_STRLCPY
383 size_t strlcpy(char *, const char *, size_t);
384 #endif
385 
386 #if !HAVE_STRMODE
387 void strmode(mode_t, char *);
388 #endif
389 
390 #if !HAVE_STRSEP || defined(__NetBSD__)
391 char *strsep(char **, const char *);
392 #endif
393 
394 #if !HAVE_DECL_STRSUFTOLL
395 long long strsuftoll(const char *, const char *, long long, long long);
396 long long strsuftollx(const char *, const char *,
397 			long long, long long, char *, size_t);
398 #endif
399 
400 #if !HAVE_STRTOLL
401 long long strtoll(const char *, char **, int);
402 #endif
403 
404 #if !HAVE_USER_FROM_UID
405 const char *user_from_uid(uid_t, int);
406 #endif
407 
408 #if !HAVE_GROUP_FROM_GID
409 const char *group_from_gid(gid_t, int);
410 #endif
411 
412 #if !HAVE_VASPRINTF
413 int vasprintf(char **, const char *, va_list);
414 #endif
415 
416 #if !HAVE_VASNPRINTF
417 int vasnprintf(char **, size_t, const char *, va_list);
418 #endif
419 
420 #if !HAVE_VSNPRINTF
421 int vsnprintf(char *, size_t, const char *, va_list);
422 #endif
423 
424 /*
425  * getmode() and setmode() are always defined, as these function names
426  * exist but with very different meanings on other OS's.  The compat
427  * versions here simply accept an octal mode number; the "u+x,g-w" type
428  * of syntax is not accepted.
429  */
430 
431 #define getmode __nbcompat_getmode
432 #define setmode __nbcompat_setmode
433 
434 mode_t getmode(const void *, mode_t);
435 void *setmode(const char *);
436 
437 /* Eliminate assertions embedded in binaries. */
438 
439 #undef _DIAGASSERT
440 #define _DIAGASSERT(x)
441 
442 /* Various sources use this */
443 #undef	__RCSID
444 #define	__RCSID(x)
445 #undef	__SCCSID
446 #define	__SCCSID(x)
447 #undef	__COPYRIGHT
448 #define	__COPYRIGHT(x)
449 #undef	__KERNEL_RCSID
450 #define	__KERNEL_RCSID(x,y)
451 
452 /* Heimdal expects this one. */
453 
454 #undef RCSID
455 #define RCSID(x)
456 
457 /* Some definitions not available on all systems. */
458 
459 /* <errno.h> */
460 
461 #ifndef EFTYPE
462 #define EFTYPE EIO
463 #endif
464 
465 /* <fcntl.h> */
466 
467 #ifndef O_EXLOCK
468 #define O_EXLOCK 0
469 #endif
470 #ifndef O_SHLOCK
471 #define O_SHLOCK 0
472 #endif
473 
474 /* <limits.h> */
475 
476 #ifndef UID_MAX
477 #define UID_MAX 32767
478 #endif
479 #ifndef GID_MAX
480 #define GID_MAX UID_MAX
481 #endif
482 
483 #ifndef UQUAD_MAX
484 #define UQUAD_MAX ((u_quad_t)-1)
485 #endif
486 #ifndef QUAD_MAX
487 #define QUAD_MAX ((quad_t)(UQUAD_MAX >> 1))
488 #endif
489 #ifndef QUAD_MIN
490 #define QUAD_MIN ((quad_t)(~QUAD_MAX))
491 #endif
492 #ifndef ULLONG_MAX
493 #define ULLONG_MAX ((unsigned long long)-1)
494 #endif
495 #ifndef LLONG_MAX
496 #define LLONG_MAX ((long long)(ULLONG_MAX >> 1))
497 #endif
498 #ifndef LLONG_MIN
499 #define LLONG_MIN ((long long)(~LLONG_MAX))
500 #endif
501 
502 /* <paths.h> */
503 
504 /* The host's _PATH_BSHELL might be broken, so override it. */
505 #undef _PATH_BSHELL
506 #define _PATH_BSHELL PATH_BSHELL
507 #ifndef _PATH_DEFPATH
508 #define _PATH_DEFPATH "/usr/bin:/bin:/usr/local/bin"
509 #endif
510 #ifndef _PATH_DEV
511 #define _PATH_DEV "/dev/"
512 #endif
513 #ifndef _PATH_DEVNULL
514 #define _PATH_DEVNULL _PATH_DEV "null"
515 #endif
516 #ifndef _PATH_TMP
517 #define _PATH_TMP "/tmp/"
518 #endif
519 #ifndef _PATH_DEFTAPE
520 #define _PATH_DEFTAPE "/dev/nrst0"
521 #endif
522 #ifndef _PATH_VI
523 #define _PATH_VI "/usr/bin/vi"
524 #endif
525 
526 /* <stdarg.h> */
527 
528 #ifndef _BSD_VA_LIST_
529 #define _BSD_VA_LIST_ va_list
530 #endif
531 
532 /* <stdint.h> */
533 
534 #if !defined(SIZE_MAX) && defined(SIZE_T_MAX)
535 #define SIZE_MAX SIZE_T_MAX
536 #endif
537 
538 #ifndef UINT8_MAX
539 #define UINT8_MAX 0xffU
540 #endif
541 
542 #ifndef UINT16_MAX
543 #define UINT16_MAX 0xffffU
544 #endif
545 
546 #ifndef UINT32_MAX
547 #define UINT32_MAX 0xffffffffU
548 #endif
549 
550 /* <stdlib.h> */
551 
552 #ifndef __GNUC__
553 # if HAVE_ALLOCA_H
554 #  include <alloca.h>
555 # else
556 #  ifndef alloca /* predefined by HP cc +Olibcalls */
557 char *alloca ();
558 #  endif
559 # endif
560 #endif
561 
562 /* avoid prototype conflicts with host */
563 #define cgetcap __nbcompat_cgetcap
564 #define cgetclose __nbcompat_cgetclose
565 #define cgetent __nbcompat_cgetent
566 #define cgetfirst __nbcompat_cgetfirst
567 #define cgetmatch __nbcompat_cgetmatch
568 #define cgetnext __nbcompat_cgetnext
569 #define cgetnum __nbcompat_cgetnum
570 #define cgetset __nbcompat_cgetset
571 #define cgetstr __nbcompat_cgetstr
572 #define cgetustr __nbcompat_cgetustr
573 
574 char	*cgetcap(char *, const char *, int);
575 int	 cgetclose(void);
576 int	 cgetent(char **, const char * const *, const char *);
577 int	 cgetfirst(char **, const char * const *);
578 int	 cgetmatch(const char *, const char *);
579 int	 cgetnext(char **, const char * const *);
580 int	 cgetnum(char *, const char *, long *);
581 int	 cgetset(const char *);
582 int	 cgetstr(char *, const char *, char **);
583 int	 cgetustr(char *, const char *, char **);
584 
585 /* <sys/endian.h> */
586 
587 #if WORDS_BIGENDIAN
588 #if !HAVE_DECL_HTOBE16
589 #define htobe16(x)	(x)
590 #endif
591 #if !HAVE_DECL_HTOBE32
592 #define htobe32(x)	(x)
593 #endif
594 #if !HAVE_DECL_HTOBE64
595 #define htobe64(x)	(x)
596 #endif
597 #if !HAVE_DECL_HTOLE16
598 #define htole16(x)	bswap16((u_int16_t)(x))
599 #endif
600 #if !HAVE_DECL_HTOLE32
601 #define htole32(x)	bswap32((u_int32_t)(x))
602 #endif
603 #if !HAVE_DECL_HTOLE64
604 #define htole64(x)	bswap64((u_int64_t)(x))
605 #endif
606 #else
607 #if !HAVE_DECL_HTOBE16
608 #define htobe16(x)	bswap16((u_int16_t)(x))
609 #endif
610 #if !HAVE_DECL_HTOBE32
611 #define htobe32(x)	bswap32((u_int32_t)(x))
612 #endif
613 #if !HAVE_DECL_HTOBE64
614 #define htobe64(x)	bswap64((u_int64_t)(x))
615 #endif
616 #if !HAVE_DECL_HTOLE16
617 #define htole16(x)	(x)
618 #endif
619 #if !HAVE_DECL_HTOLE32
620 #define htole32(x)	(x)
621 #endif
622 #if !HAVE_DECL_HTOLE64
623 #define htole64(x)	(x)
624 #endif
625 #endif
626 #if !HAVE_DECL_BE16TOH
627 #define be16toh(x)	htobe16(x)
628 #endif
629 #if !HAVE_DECL_BE32TOH
630 #define be32toh(x)	htobe32(x)
631 #endif
632 #if !HAVE_DECL_BE64TOH
633 #define be64toh(x)	htobe64(x)
634 #endif
635 #if !HAVE_DECL_LE16TOH
636 #define le16toh(x)	htole16(x)
637 #endif
638 #if !HAVE_DECL_LE32TOH
639 #define le32toh(x)	htole32(x)
640 #endif
641 #if !HAVE_DECL_LE64TOH
642 #define le64toh(x)	htole64(x)
643 #endif
644 
645 /* <sys/mman.h> */
646 
647 #ifndef MAP_FILE
648 #define MAP_FILE 0
649 #endif
650 
651 /* HP-UX has MAP_ANONYMOUS but not MAP_ANON */
652 #ifndef MAP_ANON
653 #ifdef MAP_ANONYMOUS
654 #define MAP_ANON MAP_ANONYMOUS
655 #endif
656 #endif
657 
658 /* <sys/param.h> */
659 
660 #undef BIG_ENDIAN
661 #undef LITTLE_ENDIAN
662 #define BIG_ENDIAN 4321
663 #define LITTLE_ENDIAN 1234
664 
665 #undef BYTE_ORDER
666 #if WORDS_BIGENDIAN
667 #define BYTE_ORDER BIG_ENDIAN
668 #else
669 #define BYTE_ORDER LITTLE_ENDIAN
670 #endif
671 
672 #ifndef DEV_BSIZE
673 #define DEV_BSIZE (1 << 9)
674 #endif
675 
676 #undef MIN
677 #undef MAX
678 #define MIN(a,b) ((a) < (b) ? (a) : (b))
679 #define MAX(a,b) ((a) > (b) ? (a) : (b))
680 
681 #ifndef MAXBSIZE
682 #define MAXBSIZE (64 * 1024)
683 #endif
684 #ifndef MAXFRAG
685 #define MAXFRAG 8
686 #endif
687 #ifndef MAXPHYS
688 #define MAXPHYS (64 * 1024)
689 #endif
690 
691 /* XXX needed by makefs; this should be done in a better way */
692 #undef btodb
693 #define btodb(x) ((x) << 9)
694 
695 #undef setbit
696 #undef clrbit
697 #undef isset
698 #undef isclr
699 #define	setbit(a,i)	((a)[(i)/NBBY] |= 1<<((i)%NBBY))
700 #define	clrbit(a,i)	((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
701 #define	isset(a,i)	((a)[(i)/NBBY] & (1<<((i)%NBBY)))
702 #define	isclr(a,i)	(((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
703 
704 #ifndef powerof2
705 #define powerof2(x) ((((x)-1)&(x))==0)
706 #endif
707 
708 #undef roundup
709 #define roundup(x, y)	((((x)+((y)-1))/(y))*(y))
710 
711 /* <sys/stat.h> */
712 
713 #ifndef ALLPERMS
714 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
715 #endif
716 #ifndef DEFFILEMODE
717 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
718 #endif
719 #ifndef S_ISTXT
720 #ifdef S_ISVTX
721 #define S_ISTXT S_ISVTX
722 #else
723 #define S_ISTXT 0
724 #endif
725 #endif
726 
727 /* Protected by _NETBSD_SOURCE otherwise. */
728 #if HAVE_STRUCT_STAT_ST_FLAGS && defined(__NetBSD__)
729 #define UF_SETTABLE     0x0000ffff
730 #define UF_NODUMP       0x00000001
731 #define UF_IMMUTABLE    0x00000002
732 #define UF_APPEND       0x00000004
733 #define UF_OPAQUE       0x00000008
734 #define SF_SETTABLE     0xffff0000
735 #define SF_ARCHIVED     0x00010000
736 #define SF_IMMUTABLE    0x00020000
737 #define SF_APPEND       0x00040000
738 #endif
739 
740 /* <sys/syslimits.h> */
741 
742 #ifndef LINE_MAX
743 #define LINE_MAX 2048
744 #endif
745 
746 /* <sys/time.h> */
747 
748 #ifndef timercmp
749 #define	timercmp(tvp, uvp, cmp)						\
750 	(((tvp)->tv_sec == (uvp)->tv_sec) ?				\
751 	    ((tvp)->tv_usec cmp (uvp)->tv_usec) :			\
752 	    ((tvp)->tv_sec cmp (uvp)->tv_sec))
753 #endif
754 #ifndef timeradd
755 #define	timeradd(tvp, uvp, vvp)						\
756 	do {								\
757 		(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec;		\
758 		(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec;	\
759 		if ((vvp)->tv_usec >= 1000000) {			\
760 			(vvp)->tv_sec++;				\
761 			(vvp)->tv_usec -= 1000000;			\
762 		}							\
763 	} while (/* CONSTCOND */ 0)
764 #endif
765 #ifndef timersub
766 #define	timersub(tvp, uvp, vvp)						\
767 	do {								\
768 		(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec;		\
769 		(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec;	\
770 		if ((vvp)->tv_usec < 0) {				\
771 			(vvp)->tv_sec--;				\
772 			(vvp)->tv_usec += 1000000;			\
773 		}							\
774 	} while (/* CONSTCOND */ 0)
775 #endif
776 
777 /* <sys/types.h> */
778 
779 #ifdef major
780 #undef major
781 #endif
782 #define major(x)        ((int32_t)((((x) & 0x000fff00) >>  8)))
783 
784 #ifdef minor
785 #undef minor
786 #endif
787 #define minor(x)        ((int32_t)((((x) & 0xfff00000) >> 12) | \
788                                    (((x) & 0x000000ff) >>  0)))
789 #ifdef makedev
790 #undef makedev
791 #endif
792 #define makedev(x,y)    ((dev_t)((((x) <<  8) & 0x000fff00) | \
793 			(((y) << 12) & 0xfff00000) | \
794 			(((y) <<  0) & 0x000000ff)))
795 #ifndef NBBY
796 #define NBBY 8
797 #endif
798 
799 #if !HAVE_U_QUAD_T
800 /* #define, not typedef, as quad_t exists as a struct on some systems */
801 #define quad_t long long
802 #define u_quad_t unsigned long long
803 #define strtoq strtoll
804 #define strtouq strtoull
805 #endif
806 
807 /* Has quad_t but these prototypes don't get pulled into scope. w/o we lose */
808 #ifdef __NetBSD__
809 quad_t   strtoq __P((const char *, char **, int));
810 u_quad_t strtouq __P((const char *, char **, int));
811 #endif
812 
813 #endif	/* !__NETBSD_COMPAT_DEFS_H__ */
814