xref: /netbsd-src/tools/compat/compat_defs.h (revision 274254cdae52594c1aa480a736aef78313d15c9c)
1 /*	$NetBSD: compat_defs.h,v 1.72 2009/02/24 22:25:24 sketch 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 <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 /* We don't include <grp.h> either */
79 struct group;
80 
81 /* Assume an ANSI compiler for the host. */
82 
83 #undef __P
84 #define __P(x) x
85 
86 #ifndef __BEGIN_DECLS
87 #define __BEGIN_DECLS
88 #endif
89 #ifndef __END_DECLS
90 #define __END_DECLS
91 #endif
92 
93 /* Some things usually in BSD <sys/cdefs.h>. */
94 
95 #ifndef __CONCAT
96 #define	__CONCAT(x,y)	x ## y
97 #endif
98 #if !defined(__attribute__) && !defined(__GNUC__)
99 #define __attribute__(x)
100 #endif
101 #if !defined(__packed)
102 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
103 #define __packed	__attribute__((__packed__))
104 #elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)
105 #define __packed	__attribute__((__packed__))
106 #else
107 #define	__packed	error: no __packed for this compiler
108 #endif
109 #endif /* !__packed */
110 #ifndef __RENAME
111 #define __RENAME(x)
112 #endif
113 #undef __aconst
114 #define __aconst
115 #undef __dead
116 #define __dead
117 #undef __restrict
118 #define __restrict
119 #undef __unused
120 #define __unused
121 
122 /* Dirent support. */
123 
124 #if HAVE_DIRENT_H
125 # if defined(__linux__) && defined(__USE_BSD)
126 #  undef __USE_BSD
127 #  include <dirent.h>
128 #  define __USE_BSD 1
129 #  undef d_fileno
130 # else
131 #  include <dirent.h>
132 #  if defined(__DARWIN_UNIX03)
133 #   undef d_fileno
134 #  endif
135 # endif
136 # define NAMLEN(dirent) (strlen((dirent)->d_name))
137 #else
138 # define dirent direct
139 # define NAMLEN(dirent) ((dirent)->d_namlen)
140 # if HAVE_SYS_NDIR_H
141 #  include <sys/ndir.h>
142 # endif
143 # if HAVE_SYS_DIR_H
144 #  include <sys/dir.h>
145 # endif
146 # if HAVE_NDIR_H
147 #  include <ndir.h>
148 # endif
149 #endif
150 
151 /* Type substitutes. */
152 
153 #if !HAVE_ID_T
154 typedef unsigned int id_t;
155 #endif
156 
157 #if !HAVE_SOCKLEN_T
158 typedef int socklen_t;
159 #endif
160 
161 #if !HAVE_U_LONG
162 typedef unsigned long u_long;
163 #endif
164 
165 #if !HAVE_U_CHAR
166 typedef unsigned char u_char;
167 #endif
168 
169 #if !HAVE_U_INT
170 typedef unsigned int u_int;
171 #endif
172 
173 #if !HAVE_U_SHORT
174 typedef unsigned short u_short;
175 #endif
176 
177 /* Prototypes for replacement functions. */
178 
179 #if !HAVE_ATOLL
180 long long int atoll(const char *);
181 #endif
182 
183 #if !HAVE_ASPRINTF
184 int asprintf(char **, const char *, ...);
185 #endif
186 
187 #if !HAVE_ASNPRINTF
188 int asnprintf(char **, size_t, const char *, ...);
189 #endif
190 
191 #if !HAVE_BASENAME
192 char *basename(char *);
193 #endif
194 
195 #if !HAVE_DECL_OPTIND
196 int getopt(int, char *const *, const char *);
197 extern char *optarg;
198 extern int optind, opterr, optopt;
199 #endif
200 
201 #if !HAVE_DIRNAME
202 char *dirname(char *);
203 #endif
204 
205 #if !HAVE_DIRFD
206 #if HAVE_DIR_DD_FD
207 #define dirfd(dirp) ((dirp)->dd_fd)
208 #elif HAVE_DIR___DD_FD
209 #define dirfd(dirp) ((dirp)->__dd_fd)
210 #else
211 /*XXX: Very hacky but no other way to bring this into scope w/o defining
212   _NETBSD_SOURCE which we're avoiding. */
213 #ifdef __NetBSD__
214 struct _dirdesc {
215         int     dd_fd;          /* file descriptor associated with directory */
216 	long    dd_loc;         /* offset in current buffer */
217 	long    dd_size;        /* amount of data returned by getdents */
218 	char    *dd_buf;        /* data buffer */
219 	int     dd_len;         /* size of data buffer */
220 	off_t   dd_seek;        /* magic cookie returned by getdents */
221 	long    dd_rewind;      /* magic cookie for rewinding */
222 	int     dd_flags;       /* flags for readdir */
223 	void    *dd_lock;       /* lock for concurrent access */
224 };
225 #define dirfd(dirp)     (((struct _dirdesc *)dirp)->dd_fd)
226 #else
227 #error cannot figure out how to turn a DIR * into a fd
228 #endif
229 #endif
230 #endif
231 
232 #if !HAVE_ERR_H
233 void err(int, const char *, ...);
234 void errx(int, const char *, ...);
235 void warn(const char *, ...);
236 void warnx(const char *, ...);
237 void vwarnx(const char *, va_list);
238 #endif
239 
240 #if !HAVE_ESETFUNC
241 void (*esetfunc(void (*)(int, const char *, ...)))(int, const char *, ...);
242 size_t estrlcpy(char *, const char *, size_t);
243 size_t estrlcat(char *, const char *, size_t);
244 char *estrdup(const char *);
245 char *estrndup(const char *, size_t);
246 void *ecalloc(size_t, size_t);
247 void *emalloc(size_t);
248 void *erealloc(void *, size_t);
249 FILE *efopen(const char *, const char *);
250 int easprintf(char **, const char *, ...);
251 int evasprintf(char **, const char *, va_list);
252 #endif
253 
254 #if !HAVE_FGETLN || defined(__NetBSD__)
255 char *fgetln(FILE *, size_t *);
256 #endif
257 
258 #if !HAVE_FLOCK
259 # define LOCK_SH		0x01
260 # define LOCK_EX		0x02
261 # define LOCK_NB		0x04
262 # define LOCK_UN		0x08
263 int flock(int, int);
264 #endif
265 
266 #if !HAVE_FPARSELN || BROKEN_FPARSELN || defined(__NetBSD__)
267 # define FPARSELN_UNESCESC	0x01
268 # define FPARSELN_UNESCCONT	0x02
269 # define FPARSELN_UNESCCOMM	0x04
270 # define FPARSELN_UNESCREST	0x08
271 # define FPARSELN_UNESCALL	0x0f
272 char *fparseln(FILE *, size_t *, size_t *, const char [3], int);
273 #endif
274 
275 #if !HAVE_ISSETUGID
276 int issetugid(void);
277 #endif
278 
279 #if !HAVE_ISBLANK && !defined(isblank)
280 #define isblank(x) ((x) == ' ' || (x) == '\t')
281 #endif
282 
283 #define __nbcompat_bswap16(x)	((((x) << 8) & 0xff00) | (((x) >> 8) & 0x00ff))
284 
285 #define __nbcompat_bswap32(x)	((((x) << 24) & 0xff000000) | \
286 				 (((x) <<  8) & 0x00ff0000) | \
287 				 (((x) >>  8) & 0x0000ff00) | \
288 				 (((x) >> 24) & 0x000000ff))
289 
290 #define __nbcompat_bswap64(x)	(((u_int64_t)bswap32((x)) << 32) | \
291 				 ((u_int64_t)bswap32((x) >> 32)))
292 
293 #if ! HAVE_DECL_BSWAP16
294 #ifdef bswap16
295 #undef bswap16
296 #endif
297 #define bswap16(x)	__nbcompat_bswap16(x)
298 #endif
299 #if ! HAVE_DECL_BSWAP32
300 #ifdef bswap32
301 #undef bswap32
302 #endif
303 #define bswap32(x)	__nbcompat_bswap32(x)
304 #endif
305 #if ! HAVE_DECL_BSWAP64
306 #ifdef bswap64
307 #undef bswap64
308 #endif
309 #define bswap64(x)	__nbcompat_bswap64(x)
310 #endif
311 
312 #if !HAVE_MKSTEMP
313 int mkstemp(char *);
314 #endif
315 
316 #if !HAVE_MKDTEMP
317 char *mkdtemp(char *);
318 #endif
319 
320 #if !HAVE_MKSTEMP || !HAVE_MKDTEMP
321 /* This is a prototype for the internal function defined in
322  * src/lib/lib/stdio/gettemp.c */
323 int __nbcompat_gettemp(char *, int *, int);
324 #endif
325 
326 #if !HAVE_PREAD
327 ssize_t pread(int, void *, size_t, off_t);
328 #endif
329 
330 #if !HAVE_HEAPSORT
331 int heapsort (void *, size_t, size_t, int (*)(const void *, const void *));
332 #endif
333 /* Make them use our version */
334 #  define heapsort __nbcompat_heapsort
335 
336 char	       *flags_to_string(unsigned long, const char *);
337 int		string_to_flags(char **, unsigned long *, unsigned long *);
338 
339 /*
340  * HAVE_X_FROM_Y and HAVE_PWCACHE_FOODB go together, because we cannot
341  * supply an implementation of one without the others -- some parts are
342  * libc internal and this varies from system to system.
343  *
344  * XXX this is dubious anyway: we assume (see HAVE_DECLs below) that if the
345  * XXX host system has all of these functions, all of their interfaces
346  * XXX and interactions are exactly the same as in our libc/libutil -- ugh.
347  */
348 #if !HAVE_USER_FROM_UID || !HAVE_UID_FROM_USER || !HAVE_GROUP_FROM_GID || \
349     !HAVE_GID_FROM_GROUP || !HAVE_PWCACHE_USERDB || !HAVE_PWCACHE_GROUDB
350 /* Make them use our version */
351 #  define user_from_uid __nbcompat_user_from_uid
352 #  define uid_from_user __nbcompat_uid_from_user
353 #  define pwcache_userdb __nbcompat_pwcache_userdb
354 #  define group_from_gid __nbcompat_group_from_gid
355 #  define gid_from_group __nbcompat_gid_from_group
356 #  define pwcache_groupdb __nbcompat_pwcache_groupdb
357 #endif
358 
359 #if !HAVE_DECL_UID_FROM_USER
360 int uid_from_user(const char *, uid_t *);
361 #endif
362 #if !HAVE_DECL_USER_FROM_UID
363 const char *user_from_uid(uid_t, int);
364 #endif
365 #if !HAVE_DECL_PWCACHE_USERDB
366 int pwcache_userdb(int (*)(int), void (*)(void),
367                 struct passwd * (*)(const char *), struct passwd * (*)(uid_t));
368 #endif
369 #if !HAVE_DECL_GID_FROM_GROUP
370 int gid_from_group(const char *, gid_t *);
371 #endif
372 #if !HAVE_DECL_GROUP_FROM_GID
373 const char *group_from_gid(gid_t, int);
374 #endif
375 #if !HAVE_DECL_PWCACHE_GROUPDB
376 int pwcache_groupdb(int (*)(int), void (*)(void),
377                 struct group * (*)(const char *), struct group * (*)(gid_t));
378 #endif
379 
380 #if !HAVE_DECL_STRNDUP
381 char		*strndup(const char *, size_t);
382 #endif
383 #if !HAVE_DECL_LCHFLAGS
384 int		lchflags(const char *, unsigned long);
385 #endif
386 #if !HAVE_DECL_LCHMOD
387 int		lchmod(const char *, mode_t);
388 #endif
389 #if !HAVE_DECL_LCHOWN
390 int		lchown(const char *, uid_t, gid_t);
391 #endif
392 
393 #if !HAVE_PWRITE
394 ssize_t pwrite(int, const void *, size_t, off_t);
395 #endif
396 
397 #if !HAVE_RAISE_DEFAULT_SIGNAL
398 int raise_default_signal(int);
399 #endif
400 
401 #if !HAVE_SETENV
402 int setenv(const char *, const char *, int);
403 #endif
404 
405 #if !HAVE_DECL_SETGROUPENT
406 int setgroupent(int);
407 #endif
408 
409 #if !HAVE_DECL_SETPASSENT
410 int setpassent(int);
411 #endif
412 
413 #if !HAVE_SETPROGNAME || defined(__NetBSD__)
414 const char *getprogname(void);
415 void setprogname(const char *);
416 #endif
417 
418 #if !HAVE_SNPRINTF
419 int snprintf(char *, size_t, const char *, ...);
420 #endif
421 
422 #if !HAVE_STRLCAT
423 size_t strlcat(char *, const char *, size_t);
424 #endif
425 
426 #if !HAVE_STRLCPY
427 size_t strlcpy(char *, const char *, size_t);
428 #endif
429 
430 #if !HAVE_STRMODE
431 void strmode(mode_t, char *);
432 #endif
433 
434 #if !HAVE_STRNDUP
435 char *strndup(const char *, size_t);
436 #endif
437 
438 #if !HAVE_STRSEP || defined(__NetBSD__)
439 char *strsep(char **, const char *);
440 #endif
441 
442 #if !HAVE_DECL_STRSUFTOLL
443 long long strsuftoll(const char *, const char *, long long, long long);
444 long long strsuftollx(const char *, const char *,
445 			long long, long long, char *, size_t);
446 #endif
447 
448 #if !HAVE_STRTOLL
449 long long strtoll(const char *, char **, int);
450 #endif
451 
452 #if !HAVE_USER_FROM_UID
453 const char *user_from_uid(uid_t, int);
454 #endif
455 
456 #if !HAVE_GROUP_FROM_GID
457 const char *group_from_gid(gid_t, int);
458 #endif
459 
460 #if !HAVE_VASPRINTF
461 int vasprintf(char **, const char *, va_list);
462 #endif
463 
464 #if !HAVE_VASNPRINTF
465 int vasnprintf(char **, size_t, const char *, va_list);
466 #endif
467 
468 #if !HAVE_VSNPRINTF
469 int vsnprintf(char *, size_t, const char *, va_list);
470 #endif
471 
472 /*
473  * getmode() and setmode() are always defined, as these function names
474  * exist but with very different meanings on other OS's.  The compat
475  * versions here simply accept an octal mode number; the "u+x,g-w" type
476  * of syntax is not accepted.
477  */
478 
479 #define getmode __nbcompat_getmode
480 #define setmode __nbcompat_setmode
481 
482 mode_t getmode(const void *, mode_t);
483 void *setmode(const char *);
484 
485 /* Eliminate assertions embedded in binaries. */
486 
487 #undef _DIAGASSERT
488 #define _DIAGASSERT(x)
489 
490 /* Various sources use this */
491 #undef	__RCSID
492 #define	__RCSID(x)
493 #undef	__SCCSID
494 #define	__SCCSID(x)
495 #undef	__COPYRIGHT
496 #define	__COPYRIGHT(x)
497 #undef	__KERNEL_RCSID
498 #define	__KERNEL_RCSID(x,y)
499 
500 /* Heimdal expects this one. */
501 
502 #undef RCSID
503 #define RCSID(x)
504 
505 /* Some definitions not available on all systems. */
506 
507 #ifndef __inline
508 #define __inline inline
509 #endif
510 
511 /* <errno.h> */
512 
513 #ifndef EFTYPE
514 #define EFTYPE EIO
515 #endif
516 
517 /* <fcntl.h> */
518 
519 #ifndef O_EXLOCK
520 #define O_EXLOCK 0
521 #endif
522 #ifndef O_SHLOCK
523 #define O_SHLOCK 0
524 #endif
525 
526 /* <inttypes.h> */
527 
528 #if USHRT_MAX == 0xffffU		/* short is a 16-bit type */
529 #ifndef PRId16
530 #define PRId16 "hd"
531 #endif
532 #ifndef PRIi16
533 #define PRIi16 "hi"
534 #endif
535 #ifndef PRIo16
536 #define PRIo16 "ho"
537 #endif
538 #ifndef PRIu16
539 #define PRIu16 "hu"
540 #endif
541 #ifndef PRIx16
542 #define PRIx16 "hx"
543 #endif
544 #ifndef PRIX16
545 #define PRIX16 "hX"
546 #endif
547 #endif					/* short is a 16-bit type */
548 #if ! (defined(PRId16) && defined(PRIi16) && defined(PRIo16) && \
549 	defined(PRIu16) && defined(PRIx16) && defined(PRIX16))
550 #error "Don't know how to define PRI[diouxX]16"
551 #endif
552 
553 #if UINT_MAX == 0xffffffffU		/* int is a 32-bit type */
554 #ifndef PRId32
555 #define PRId32 "d"
556 #endif
557 #ifndef PRIi32
558 #define PRIi32 "i"
559 #endif
560 #ifndef PRIo32
561 #define PRIo32 "o"
562 #endif
563 #ifndef PRIu32
564 #define PRIu32 "u"
565 #endif
566 #ifndef PRIx32
567 #define PRIx32 "x"
568 #endif
569 #ifndef PRIX32
570 #define PRIX32 "X"
571 #endif
572 #endif					/* int is a 32-bit type */
573 #if ULONG_MAX == 0xffffffffU		/* long is a 32-bit type */
574 #ifndef PRId32
575 #define PRId32 "ld"
576 #endif
577 #ifndef PRIi32
578 #define PRIi32 "li"
579 #endif
580 #ifndef PRIo32
581 #define PRIo32 "lo"
582 #endif
583 #ifndef PRIu32
584 #define PRIu32 "lu"
585 #endif
586 #ifndef PRIx32
587 #define PRIx32 "lx"
588 #endif
589 #ifndef PRIX32
590 #define PRIX32 "lX"
591 #endif
592 #endif					/* long is a 32-bit type */
593 #if ! (defined(PRId32) && defined(PRIi32) && defined(PRIo32) && \
594 	defined(PRIu32) && defined(PRIx32) && defined(PRIX32))
595 #error "Don't know how to define PRI[diouxX]32"
596 #endif
597 
598 #if ULONG_MAX == 0xffffffffffffffffU	/* long is a 64-bit type */
599 #ifndef PRId64
600 #define PRId64 "ld"
601 #endif
602 #ifndef PRIi64
603 #define PRIi64 "li"
604 #endif
605 #ifndef PRIo64
606 #define PRIo64 "lo"
607 #endif
608 #ifndef PRIu64
609 #define PRIu64 "lu"
610 #endif
611 #ifndef PRIx64
612 #define PRIx64 "lx"
613 #endif
614 #ifndef PRIX64
615 #define PRIX64 "lX"
616 #endif
617 #endif					/* long is a 64-bit type */
618 #if ULLONG_MAX == 0xffffffffffffffffU	/* long long is a 64-bit type */
619 #ifndef PRId64
620 #define PRId64 "lld"
621 #endif
622 #ifndef PRIi64
623 #define PRIi64 "lli"
624 #endif
625 #ifndef PRIo64
626 #define PRIo64 "llo"
627 #endif
628 #ifndef PRIu64
629 #define PRIu64 "llu"
630 #endif
631 #ifndef PRIx64
632 #define PRIx64 "llx"
633 #endif
634 #ifndef PRIX64
635 #define PRIX64 "llX"
636 #endif
637 #endif					/* long long is a 64-bit type */
638 #if ! (defined(PRId64) && defined(PRIi64) && defined(PRIo64) && \
639 	defined(PRIu64) && defined(PRIx64) && defined(PRIX64))
640 #error "Don't know how to define PRI[diouxX]64"
641 #endif
642 
643 /* <limits.h> */
644 
645 #ifndef UID_MAX
646 #define UID_MAX 32767
647 #endif
648 #ifndef GID_MAX
649 #define GID_MAX UID_MAX
650 #endif
651 
652 #ifndef UQUAD_MAX
653 #define UQUAD_MAX ((u_quad_t)-1)
654 #endif
655 #ifndef QUAD_MAX
656 #define QUAD_MAX ((quad_t)(UQUAD_MAX >> 1))
657 #endif
658 #ifndef QUAD_MIN
659 #define QUAD_MIN ((quad_t)(~QUAD_MAX))
660 #endif
661 #ifndef ULLONG_MAX
662 #define ULLONG_MAX ((unsigned long long)-1)
663 #endif
664 #ifndef LLONG_MAX
665 #define LLONG_MAX ((long long)(ULLONG_MAX >> 1))
666 #endif
667 #ifndef LLONG_MIN
668 #define LLONG_MIN ((long long)(~LLONG_MAX))
669 #endif
670 
671 /* <paths.h> */
672 
673 /* The host's _PATH_BSHELL might be broken, so override it. */
674 #undef _PATH_BSHELL
675 #define _PATH_BSHELL PATH_BSHELL
676 #ifndef _PATH_DEFPATH
677 #define _PATH_DEFPATH "/usr/bin:/bin:/usr/local/bin"
678 #endif
679 #ifndef _PATH_DEV
680 #define _PATH_DEV "/dev/"
681 #endif
682 #ifndef _PATH_DEVNULL
683 #define _PATH_DEVNULL _PATH_DEV "null"
684 #endif
685 #ifndef _PATH_TMP
686 #define _PATH_TMP "/tmp/"
687 #endif
688 #ifndef _PATH_DEFTAPE
689 #define _PATH_DEFTAPE "/dev/nrst0"
690 #endif
691 #ifndef _PATH_VI
692 #define _PATH_VI "/usr/bin/vi"
693 #endif
694 
695 /* <stdarg.h> */
696 
697 #ifndef _BSD_VA_LIST_
698 #define _BSD_VA_LIST_ va_list
699 #endif
700 
701 /* <stdint.h> */
702 
703 #if !defined(SIZE_MAX) && defined(SIZE_T_MAX)
704 #define SIZE_MAX SIZE_T_MAX
705 #endif
706 
707 #ifndef UINT8_MAX
708 #define UINT8_MAX 0xffU
709 #endif
710 
711 #ifndef UINT16_MAX
712 #define UINT16_MAX 0xffffU
713 #endif
714 
715 #ifndef UINT32_MAX
716 #define UINT32_MAX 0xffffffffU
717 #endif
718 
719 /* <stdlib.h> */
720 
721 #ifndef __GNUC__
722 # if HAVE_ALLOCA_H
723 #  include <alloca.h>
724 # else
725 #  ifndef alloca /* predefined by HP cc +Olibcalls */
726 char *alloca ();
727 #  endif
728 # endif
729 #endif
730 
731 /* avoid prototype conflicts with host */
732 #define cgetcap __nbcompat_cgetcap
733 #define cgetclose __nbcompat_cgetclose
734 #define cgetent __nbcompat_cgetent
735 #define cgetfirst __nbcompat_cgetfirst
736 #define cgetmatch __nbcompat_cgetmatch
737 #define cgetnext __nbcompat_cgetnext
738 #define cgetnum __nbcompat_cgetnum
739 #define cgetset __nbcompat_cgetset
740 #define cgetstr __nbcompat_cgetstr
741 #define cgetustr __nbcompat_cgetustr
742 
743 char	*cgetcap(char *, const char *, int);
744 int	 cgetclose(void);
745 int	 cgetent(char **, const char * const *, const char *);
746 int	 cgetfirst(char **, const char * const *);
747 int	 cgetmatch(const char *, const char *);
748 int	 cgetnext(char **, const char * const *);
749 int	 cgetnum(char *, const char *, long *);
750 int	 cgetset(const char *);
751 int	 cgetstr(char *, const char *, char **);
752 int	 cgetustr(char *, const char *, char **);
753 
754 /* <sys/endian.h> */
755 
756 #if WORDS_BIGENDIAN
757 #if !HAVE_DECL_HTOBE16
758 #define htobe16(x)	(x)
759 #endif
760 #if !HAVE_DECL_HTOBE32
761 #define htobe32(x)	(x)
762 #endif
763 #if !HAVE_DECL_HTOBE64
764 #define htobe64(x)	(x)
765 #endif
766 #if !HAVE_DECL_HTOLE16
767 #define htole16(x)	bswap16((u_int16_t)(x))
768 #endif
769 #if !HAVE_DECL_HTOLE32
770 #define htole32(x)	bswap32((u_int32_t)(x))
771 #endif
772 #if !HAVE_DECL_HTOLE64
773 #define htole64(x)	bswap64((u_int64_t)(x))
774 #endif
775 #else
776 #if !HAVE_DECL_HTOBE16
777 #define htobe16(x)	bswap16((u_int16_t)(x))
778 #endif
779 #if !HAVE_DECL_HTOBE32
780 #define htobe32(x)	bswap32((u_int32_t)(x))
781 #endif
782 #if !HAVE_DECL_HTOBE64
783 #define htobe64(x)	bswap64((u_int64_t)(x))
784 #endif
785 #if !HAVE_DECL_HTOLE16
786 #define htole16(x)	(x)
787 #endif
788 #if !HAVE_DECL_HTOLE32
789 #define htole32(x)	(x)
790 #endif
791 #if !HAVE_DECL_HTOLE64
792 #define htole64(x)	(x)
793 #endif
794 #endif
795 #if !HAVE_DECL_BE16TOH
796 #define be16toh(x)	htobe16(x)
797 #endif
798 #if !HAVE_DECL_BE32TOH
799 #define be32toh(x)	htobe32(x)
800 #endif
801 #if !HAVE_DECL_BE64TOH
802 #define be64toh(x)	htobe64(x)
803 #endif
804 #if !HAVE_DECL_LE16TOH
805 #define le16toh(x)	htole16(x)
806 #endif
807 #if !HAVE_DECL_LE32TOH
808 #define le32toh(x)	htole32(x)
809 #endif
810 #if !HAVE_DECL_LE64TOH
811 #define le64toh(x)	htole64(x)
812 #endif
813 
814 #define __GEN_ENDIAN_ENC(bits, endian) \
815 static void \
816 endian ## bits ## enc(void *dst, uint ## bits ## _t u) \
817 { \
818 	u = hto ## endian ## bits (u); \
819 	memcpy(dst, &u, sizeof(u)); \
820 }
821 #if !HAVE_DECL_BE16ENC
822 __GEN_ENDIAN_ENC(16, be)
823 #endif
824 #if !HAVE_DECL_BE32ENC
825 __GEN_ENDIAN_ENC(32, be)
826 #endif
827 #if !HAVE_DECL_BE64ENC
828 __GEN_ENDIAN_ENC(64, be)
829 #endif
830 #if !HAVE_DECL_LE16ENC
831 __GEN_ENDIAN_ENC(16, le)
832 #endif
833 #if !HAVE_DECL_LE32ENC
834 __GEN_ENDIAN_ENC(32, le)
835 #endif
836 #if !HAVE_DECL_LE64ENC
837 __GEN_ENDIAN_ENC(64, le)
838 #endif
839 #undef __GEN_ENDIAN_ENC
840 
841 #define __GEN_ENDIAN_DEC(bits, endian) \
842 static uint ## bits ## _t \
843 endian ## bits ## dec(const void *buf) \
844 { \
845 	uint ## bits ## _t u; \
846 	memcpy(&u, buf, sizeof(u)); \
847 	return endian ## bits ## toh (u); \
848 }
849 #if !HAVE_DECL_BE16DEC
850 __GEN_ENDIAN_DEC(16, be)
851 #endif
852 #if !HAVE_DECL_BE32DEC
853 __GEN_ENDIAN_DEC(32, be)
854 #endif
855 #if !HAVE_DECL_BE64DEC
856 __GEN_ENDIAN_DEC(64, be)
857 #endif
858 #if !HAVE_DECL_LE16DEC
859 __GEN_ENDIAN_DEC(16, le)
860 #endif
861 #if !HAVE_DECL_LE32DEC
862 __GEN_ENDIAN_DEC(32, le)
863 #endif
864 #if !HAVE_DECL_LE64DEC
865 __GEN_ENDIAN_DEC(64, le)
866 #endif
867 #undef __GEN_ENDIAN_DEC
868 
869 /* <sys/mman.h> */
870 
871 #ifndef MAP_FILE
872 #define MAP_FILE 0
873 #endif
874 
875 /* HP-UX has MAP_ANONYMOUS but not MAP_ANON */
876 #ifndef MAP_ANON
877 #ifdef MAP_ANONYMOUS
878 #define MAP_ANON MAP_ANONYMOUS
879 #endif
880 #endif
881 
882 /* <sys/param.h> */
883 
884 #undef BIG_ENDIAN
885 #undef LITTLE_ENDIAN
886 #define BIG_ENDIAN 4321
887 #define LITTLE_ENDIAN 1234
888 
889 #undef BYTE_ORDER
890 #if WORDS_BIGENDIAN
891 #define BYTE_ORDER BIG_ENDIAN
892 #else
893 #define BYTE_ORDER LITTLE_ENDIAN
894 #endif
895 
896 #ifndef DEV_BSIZE
897 #define DEV_BSIZE (1 << 9)
898 #endif
899 
900 #undef MIN
901 #undef MAX
902 #define MIN(a,b) ((a) < (b) ? (a) : (b))
903 #define MAX(a,b) ((a) > (b) ? (a) : (b))
904 
905 #ifndef MAXBSIZE
906 #define MAXBSIZE (64 * 1024)
907 #endif
908 #ifndef MAXFRAG
909 #define MAXFRAG 8
910 #endif
911 #ifndef MAXPHYS
912 #define MAXPHYS (64 * 1024)
913 #endif
914 
915 /* XXX needed by makefs; this should be done in a better way */
916 #undef btodb
917 #define btodb(x) ((x) << 9)
918 
919 #undef setbit
920 #undef clrbit
921 #undef isset
922 #undef isclr
923 #define	setbit(a,i)	((a)[(i)/NBBY] |= 1<<((i)%NBBY))
924 #define	clrbit(a,i)	((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
925 #define	isset(a,i)	((a)[(i)/NBBY] & (1<<((i)%NBBY)))
926 #define	isclr(a,i)	(((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
927 
928 #ifndef powerof2
929 #define powerof2(x) ((((x)-1)&(x))==0)
930 #endif
931 
932 #undef roundup
933 #define roundup(x, y)	((((x)+((y)-1))/(y))*(y))
934 
935 /* <sys/stat.h> */
936 
937 #ifndef ALLPERMS
938 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
939 #endif
940 #ifndef DEFFILEMODE
941 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
942 #endif
943 #ifndef S_ISTXT
944 #ifdef S_ISVTX
945 #define S_ISTXT S_ISVTX
946 #else
947 #define S_ISTXT 0
948 #endif
949 #endif
950 
951 /* Protected by _NETBSD_SOURCE otherwise. */
952 #if HAVE_STRUCT_STAT_ST_FLAGS && defined(__NetBSD__)
953 #define UF_SETTABLE     0x0000ffff
954 #define UF_NODUMP       0x00000001
955 #define UF_IMMUTABLE    0x00000002
956 #define UF_APPEND       0x00000004
957 #define UF_OPAQUE       0x00000008
958 #define SF_SETTABLE     0xffff0000
959 #define SF_ARCHIVED     0x00010000
960 #define SF_IMMUTABLE    0x00020000
961 #define SF_APPEND       0x00040000
962 #endif
963 
964 /* <sys/syslimits.h> */
965 
966 #ifndef LINE_MAX
967 #define LINE_MAX 2048
968 #endif
969 
970 /* <sys/time.h> */
971 
972 #ifndef timercmp
973 #define	timercmp(tvp, uvp, cmp)						\
974 	(((tvp)->tv_sec == (uvp)->tv_sec) ?				\
975 	    ((tvp)->tv_usec cmp (uvp)->tv_usec) :			\
976 	    ((tvp)->tv_sec cmp (uvp)->tv_sec))
977 #endif
978 #ifndef timeradd
979 #define	timeradd(tvp, uvp, vvp)						\
980 	do {								\
981 		(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec;		\
982 		(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec;	\
983 		if ((vvp)->tv_usec >= 1000000) {			\
984 			(vvp)->tv_sec++;				\
985 			(vvp)->tv_usec -= 1000000;			\
986 		}							\
987 	} while (/* CONSTCOND */ 0)
988 #endif
989 #ifndef timersub
990 #define	timersub(tvp, uvp, vvp)						\
991 	do {								\
992 		(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec;		\
993 		(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec;	\
994 		if ((vvp)->tv_usec < 0) {				\
995 			(vvp)->tv_sec--;				\
996 			(vvp)->tv_usec += 1000000;			\
997 		}							\
998 	} while (/* CONSTCOND */ 0)
999 #endif
1000 
1001 /* <sys/types.h> */
1002 
1003 #ifdef major
1004 #undef major
1005 #endif
1006 #define major(x)        ((int32_t)((((x) & 0x000fff00) >>  8)))
1007 
1008 #ifdef minor
1009 #undef minor
1010 #endif
1011 #define minor(x)        ((int32_t)((((x) & 0xfff00000) >> 12) | \
1012                                    (((x) & 0x000000ff) >>  0)))
1013 #ifdef makedev
1014 #undef makedev
1015 #endif
1016 #define makedev(x,y)    ((dev_t)((((x) <<  8) & 0x000fff00) | \
1017 			(((y) << 12) & 0xfff00000) | \
1018 			(((y) <<  0) & 0x000000ff)))
1019 #ifndef NBBY
1020 #define NBBY 8
1021 #endif
1022 
1023 #if !HAVE_U_QUAD_T
1024 /* #define, not typedef, as quad_t exists as a struct on some systems */
1025 #define quad_t long long
1026 #define u_quad_t unsigned long long
1027 #define strtoq strtoll
1028 #define strtouq strtoull
1029 #endif
1030 
1031 /* Has quad_t but these prototypes don't get pulled into scope. w/o we lose */
1032 #ifdef __NetBSD__
1033 quad_t   strtoq __P((const char *, char **, int));
1034 u_quad_t strtouq __P((const char *, char **, int));
1035 #endif
1036 
1037 #endif	/* !__NETBSD_COMPAT_DEFS_H__ */
1038