Home | History | Annotate | Line # | Download | only in compat
compat_defs.h revision 1.63
      1 /*	$NetBSD: compat_defs.h,v 1.63 2007/10/18 16:04:24 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 #define _NETBSD_TOOLS
     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 <grp.h>
     42 #include <limits.h>
     43 #include <paths.h>
     44 #include <stdarg.h>
     45 #include <stdio.h>
     46 #include <stdlib.h>
     47 #include <string.h>
     48 
     49 #if HAVE_SYS_CDEFS_H
     50 #include <sys/cdefs.h>
     51 #endif
     52 #if HAVE_SYS_SYSLIMITS_H
     53 #include <sys/syslimits.h>
     54 #endif
     55 #if HAVE_SYS_SYSMACROS_H
     56 /* major(), minor() on SVR4 */
     57 #include <sys/sysmacros.h>
     58 #endif
     59 #if HAVE_INTTYPES_H
     60 #include <inttypes.h>
     61 #endif
     62 #if HAVE_STDDEF_H
     63 #include <stddef.h>
     64 #endif
     65 
     66 #ifdef _NETBSD_SOURCE
     67 #error _NETBSD_SOURCE is *not* to be defined.
     68 #endif
     69 
     70 /* Need this since we can't depend on NetBSD's version to be around */
     71 #ifdef __UNCONST
     72 #undef __UNCONST
     73 #endif
     74 #define __UNCONST(a)   ((void *)(unsigned long)(const void *)(a))
     75 
     76 /* We don't include <pwd.h> here, so that "compat_pwd.h" works. */
     77 struct passwd;
     78 
     79 /* Assume an ANSI compiler for the host. */
     80 
     81 #undef __P
     82 #define __P(x) x
     83 
     84 #ifndef __BEGIN_DECLS
     85 #define __BEGIN_DECLS
     86 #endif
     87 #ifndef __END_DECLS
     88 #define __END_DECLS
     89 #endif
     90 
     91 /* Some things usually in BSD <sys/cdefs.h>. */
     92 
     93 #ifndef __CONCAT
     94 #define	__CONCAT(x,y)	x ## y
     95 #endif
     96 #if !defined(__attribute__) && !defined(__GNUC__)
     97 #define __attribute__(x)
     98 #endif
     99 #if !defined(__packed)
    100 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
    101 #define __packed	__attribute__((__packed__))
    102 #else
    103 #define	__packed	error: no __packed for this compiler
    104 #endif
    105 #endif /* !__packed */
    106 #ifndef __RENAME
    107 #define __RENAME(x)
    108 #endif
    109 #undef __aconst
    110 #define __aconst
    111 #undef __dead
    112 #define __dead
    113 #undef __restrict
    114 #define __restrict
    115 #undef __unused
    116 #define __unused
    117 
    118 /* Dirent support. */
    119 
    120 #if HAVE_DIRENT_H
    121 # if defined(__linux__) && defined(__USE_BSD)
    122 #  undef __USE_BSD
    123 #  include <dirent.h>
    124 #  define __USE_BSD 1
    125 #  undef d_fileno
    126 # else
    127 #  include <dirent.h>
    128 #  if defined(__DARWIN_UNIX03)
    129 #   undef d_fileno
    130 #  endif
    131 # endif
    132 # define NAMLEN(dirent) (strlen((dirent)->d_name))
    133 #else
    134 # define dirent direct
    135 # define NAMLEN(dirent) ((dirent)->d_namlen)
    136 # if HAVE_SYS_NDIR_H
    137 #  include <sys/ndir.h>
    138 # endif
    139 # if HAVE_SYS_DIR_H
    140 #  include <sys/dir.h>
    141 # endif
    142 # if HAVE_NDIR_H
    143 #  include <ndir.h>
    144 # endif
    145 #endif
    146 
    147 /* Type substitutes. */
    148 
    149 #if !HAVE_ID_T
    150 typedef unsigned int id_t;
    151 #endif
    152 
    153 #if !HAVE_SOCKLEN_T
    154 typedef int socklen_t;
    155 #endif
    156 
    157 #if !HAVE_U_LONG
    158 typedef unsigned long u_long;
    159 #endif
    160 
    161 #if !HAVE_U_CHAR
    162 typedef unsigned char u_char;
    163 #endif
    164 
    165 #if !HAVE_U_INT
    166 typedef unsigned int u_int;
    167 #endif
    168 
    169 #if !HAVE_U_SHORT
    170 typedef unsigned short u_short;
    171 #endif
    172 
    173 /* Prototypes for replacement functions. */
    174 
    175 #if !HAVE_ATOLL
    176 long long int atoll(const char *);
    177 #endif
    178 
    179 #if !HAVE_ASPRINTF
    180 int asprintf(char **, const char *, ...);
    181 #endif
    182 
    183 #if !HAVE_ASNPRINTF
    184 int asnprintf(char **, size_t, const char *, ...);
    185 #endif
    186 
    187 #if !HAVE_BASENAME
    188 char *basename(char *);
    189 #endif
    190 
    191 #if !HAVE_DECL_OPTIND
    192 int getopt(int, char *const *, const char *);
    193 extern char *optarg;
    194 extern int optind, opterr, optopt;
    195 #endif
    196 
    197 #if !HAVE_DIRNAME
    198 char *dirname(char *);
    199 #endif
    200 
    201 #if !HAVE_DIRFD
    202 #if HAVE_DIR_DD_FD
    203 #define dirfd(dirp) ((dirp)->dd_fd)
    204 #elif HAVE_DIR___DD_FD
    205 #define dirfd(dirp) ((dirp)->__dd_fd)
    206 #else
    207 /*XXX: Very hacky but no other way to bring this into scope w/o defining
    208   _NETBSD_SOURCE which we're avoiding. */
    209 #ifdef __NetBSD__
    210 struct _dirdesc {
    211         int     dd_fd;          /* file descriptor associated with directory */
    212 	long    dd_loc;         /* offset in current buffer */
    213 	long    dd_size;        /* amount of data returned by getdents */
    214 	char    *dd_buf;        /* data buffer */
    215 	int     dd_len;         /* size of data buffer */
    216 	off_t   dd_seek;        /* magic cookie returned by getdents */
    217 	long    dd_rewind;      /* magic cookie for rewinding */
    218 	int     dd_flags;       /* flags for readdir */
    219 	void    *dd_lock;       /* lock for concurrent access */
    220 };
    221 #define dirfd(dirp)     (((struct _dirdesc *)dirp)->dd_fd)
    222 #else
    223 #error cannot figure out how to turn a DIR * into a fd
    224 #endif
    225 #endif
    226 #endif
    227 
    228 #if !HAVE_ERR_H
    229 void err(int, const char *, ...);
    230 void errx(int, const char *, ...);
    231 void warn(const char *, ...);
    232 void warnx(const char *, ...);
    233 #endif
    234 
    235 #if !HAVE_ESETFUNC
    236 void (*esetfunc(void (*)(int, const char *, ...)))(int, const char *, ...);
    237 size_t estrlcpy(char *, const char *, size_t);
    238 size_t estrlcat(char *, const char *, size_t);
    239 char *estrdup(const char *);
    240 char *estrndup(const char *, size_t);
    241 void *ecalloc(size_t, size_t);
    242 void *emalloc(size_t);
    243 void *erealloc(void *, size_t);
    244 FILE *efopen(const char *, const char *);
    245 int easprintf(char **, const char *, ...);
    246 int evasprintf(char **, const char *, va_list);
    247 #endif
    248 
    249 #if !HAVE_FGETLN || defined(__NetBSD__)
    250 char *fgetln(FILE *, size_t *);
    251 #endif
    252 
    253 #if !HAVE_FLOCK
    254 # define LOCK_SH		0x01
    255 # define LOCK_EX		0x02
    256 # define LOCK_NB		0x04
    257 # define LOCK_UN		0x08
    258 int flock(int, int);
    259 #endif
    260 
    261 #if !HAVE_FPARSELN || defined(__NetBSD__)
    262 # define FPARSELN_UNESCESC	0x01
    263 # define FPARSELN_UNESCCONT	0x02
    264 # define FPARSELN_UNESCCOMM	0x04
    265 # define FPARSELN_UNESCREST	0x08
    266 # define FPARSELN_UNESCALL	0x0f
    267 char *fparseln(FILE *, size_t *, size_t *, const char [3], int);
    268 #endif
    269 
    270 #if !HAVE_ISSETUGID
    271 int issetugid(void);
    272 #endif
    273 
    274 #if !HAVE_ISBLANK && !defined(isblank)
    275 #define isblank(x) ((x) == ' ' || (x) == '\t')
    276 #endif
    277 
    278 #if !HAVE_LCHFLAGS
    279 int lchflags(const char *, u_long);
    280 #endif
    281 
    282 #if !HAVE_LCHMOD
    283 int lchmod(const char *, mode_t);
    284 #endif
    285 
    286 #if !HAVE_LCHOWN
    287 int lchown(const char *, uid_t, gid_t);
    288 #endif
    289 
    290 #define __nbcompat_bswap16(x)	((((x) << 8) & 0xff00) | (((x) >> 8) & 0x00ff))
    291 
    292 #define __nbcompat_bswap32(x)	((((x) << 24) & 0xff000000) | \
    293 				 (((x) <<  8) & 0x00ff0000) | \
    294 				 (((x) >>  8) & 0x0000ff00) | \
    295 				 (((x) >> 24) & 0x000000ff))
    296 
    297 #define __nbcompat_bswap64(x)	(((u_int64_t)bswap32((x)) << 32) | \
    298 				 ((u_int64_t)bswap32((x) >> 32)))
    299 
    300 #if ! HAVE_DECL_BSWAP16
    301 #ifdef bswap16
    302 #undef bswap16
    303 #endif
    304 #define bswap16(x)	__nbcompat_bswap16(x)
    305 #endif
    306 #if ! HAVE_DECL_BSWAP32
    307 #ifdef bswap32
    308 #undef bswap32
    309 #endif
    310 #define bswap32(x)	__nbcompat_bswap32(x)
    311 #endif
    312 #if ! HAVE_DECL_BSWAP64
    313 #ifdef bswap64
    314 #undef bswap64
    315 #endif
    316 #define bswap64(x)	__nbcompat_bswap64(x)
    317 #endif
    318 
    319 #if !HAVE_MKSTEMP
    320 int mkstemp(char *);
    321 #endif
    322 
    323 #if !HAVE_MKDTEMP
    324 char *mkdtemp(char *);
    325 #endif
    326 
    327 #if !HAVE_MKSTEMP || !HAVE_MKDTEMP
    328 /* This is a prototype for the internal function. */
    329 int gettemp(char *, int *, int);
    330 #endif
    331 
    332 #if !HAVE_PREAD
    333 ssize_t pread(int, void *, size_t, off_t);
    334 #endif
    335 
    336 #if !HAVE_HEAPSORT
    337 int heapsort (void *, size_t, size_t, int (*)(const void *, const void *));
    338 #endif
    339 /* Make them use our version */
    340 #  define heapsort __nbcompat_heapsort
    341 
    342 #if !HAVE_PWCACHE_USERDB
    343 int uid_from_user(const char *, uid_t *);
    344 int pwcache_userdb(int (*)(int), void (*)(void),
    345 		struct passwd * (*)(const char *), struct passwd * (*)(uid_t));
    346 int gid_from_group(const char *, gid_t *);
    347 int pwcache_groupdb(int (*)(int), void (*)(void),
    348 		struct group * (*)(const char *), struct group * (*)(gid_t));
    349 #endif
    350 #if !HAVE_USER_FROM_UID
    351 /* Make them use our version */
    352 #  define user_from_uid __nbcompat_user_from_uid
    353 #endif
    354 #if !HAVE_GROUP_FROM_GID
    355 /* Make them use our version */
    356 #  define group_from_gid __nbcompat_group_from_gid
    357 #endif
    358 
    359 #if !HAVE_PWRITE
    360 ssize_t pwrite(int, const void *, size_t, off_t);
    361 #endif
    362 
    363 #if !HAVE_RAISE_DEFAULT_SIGNAL
    364 int raise_default_signal(int);
    365 #endif
    366 
    367 #if !HAVE_SETENV
    368 int setenv(const char *, const char *, int);
    369 #endif
    370 
    371 #if !HAVE_DECL_SETGROUPENT
    372 int setgroupent(int);
    373 #endif
    374 
    375 #if !HAVE_DECL_SETPASSENT
    376 int setpassent(int);
    377 #endif
    378 
    379 #if !HAVE_SETPROGNAME || defined(__NetBSD__)
    380 const char *getprogname(void);
    381 void setprogname(const char *);
    382 #endif
    383 
    384 #if !HAVE_SNPRINTF
    385 int snprintf(char *, size_t, const char *, ...);
    386 #endif
    387 
    388 #if !HAVE_STRLCAT
    389 size_t strlcat(char *, const char *, size_t);
    390 #endif
    391 
    392 #if !HAVE_STRLCPY
    393 size_t strlcpy(char *, const char *, size_t);
    394 #endif
    395 
    396 #if !HAVE_STRMODE
    397 void strmode(mode_t, char *);
    398 #endif
    399 
    400 #if !HAVE_STRNDUP
    401 char *strndup(const char *, size_t);
    402 #endif
    403 
    404 #if !HAVE_STRSEP || defined(__NetBSD__)
    405 char *strsep(char **, const char *);
    406 #endif
    407 
    408 #if !HAVE_DECL_STRSUFTOLL
    409 long long strsuftoll(const char *, const char *, long long, long long);
    410 long long strsuftollx(const char *, const char *,
    411 			long long, long long, char *, size_t);
    412 #endif
    413 
    414 #if !HAVE_STRTOLL
    415 long long strtoll(const char *, char **, int);
    416 #endif
    417 
    418 #if !HAVE_USER_FROM_UID
    419 const char *user_from_uid(uid_t, int);
    420 #endif
    421 
    422 #if !HAVE_GROUP_FROM_GID
    423 const char *group_from_gid(gid_t, int);
    424 #endif
    425 
    426 #if !HAVE_VASPRINTF
    427 int vasprintf(char **, const char *, va_list);
    428 #endif
    429 
    430 #if !HAVE_VASNPRINTF
    431 int vasnprintf(char **, size_t, const char *, va_list);
    432 #endif
    433 
    434 #if !HAVE_VSNPRINTF
    435 int vsnprintf(char *, size_t, const char *, va_list);
    436 #endif
    437 
    438 /*
    439  * getmode() and setmode() are always defined, as these function names
    440  * exist but with very different meanings on other OS's.  The compat
    441  * versions here simply accept an octal mode number; the "u+x,g-w" type
    442  * of syntax is not accepted.
    443  */
    444 
    445 #define getmode __nbcompat_getmode
    446 #define setmode __nbcompat_setmode
    447 
    448 mode_t getmode(const void *, mode_t);
    449 void *setmode(const char *);
    450 
    451 /* Eliminate assertions embedded in binaries. */
    452 
    453 #undef _DIAGASSERT
    454 #define _DIAGASSERT(x)
    455 
    456 /* Various sources use this */
    457 #undef	__RCSID
    458 #define	__RCSID(x)
    459 #undef	__SCCSID
    460 #define	__SCCSID(x)
    461 #undef	__COPYRIGHT
    462 #define	__COPYRIGHT(x)
    463 #undef	__KERNEL_RCSID
    464 #define	__KERNEL_RCSID(x,y)
    465 
    466 /* Heimdal expects this one. */
    467 
    468 #undef RCSID
    469 #define RCSID(x)
    470 
    471 /* Some definitions not available on all systems. */
    472 
    473 /* <errno.h> */
    474 
    475 #ifndef EFTYPE
    476 #define EFTYPE EIO
    477 #endif
    478 
    479 /* <fcntl.h> */
    480 
    481 #ifndef O_EXLOCK
    482 #define O_EXLOCK 0
    483 #endif
    484 #ifndef O_SHLOCK
    485 #define O_SHLOCK 0
    486 #endif
    487 
    488 /* <limits.h> */
    489 
    490 #ifndef UID_MAX
    491 #define UID_MAX 32767
    492 #endif
    493 #ifndef GID_MAX
    494 #define GID_MAX UID_MAX
    495 #endif
    496 
    497 #ifndef UQUAD_MAX
    498 #define UQUAD_MAX ((u_quad_t)-1)
    499 #endif
    500 #ifndef QUAD_MAX
    501 #define QUAD_MAX ((quad_t)(UQUAD_MAX >> 1))
    502 #endif
    503 #ifndef QUAD_MIN
    504 #define QUAD_MIN ((quad_t)(~QUAD_MAX))
    505 #endif
    506 #ifndef ULLONG_MAX
    507 #define ULLONG_MAX ((unsigned long long)-1)
    508 #endif
    509 #ifndef LLONG_MAX
    510 #define LLONG_MAX ((long long)(ULLONG_MAX >> 1))
    511 #endif
    512 #ifndef LLONG_MIN
    513 #define LLONG_MIN ((long long)(~LLONG_MAX))
    514 #endif
    515 
    516 /* <paths.h> */
    517 
    518 /* The host's _PATH_BSHELL might be broken, so override it. */
    519 #undef _PATH_BSHELL
    520 #define _PATH_BSHELL PATH_BSHELL
    521 #ifndef _PATH_DEFPATH
    522 #define _PATH_DEFPATH "/usr/bin:/bin:/usr/local/bin"
    523 #endif
    524 #ifndef _PATH_DEV
    525 #define _PATH_DEV "/dev/"
    526 #endif
    527 #ifndef _PATH_DEVNULL
    528 #define _PATH_DEVNULL _PATH_DEV "null"
    529 #endif
    530 #ifndef _PATH_TMP
    531 #define _PATH_TMP "/tmp/"
    532 #endif
    533 #ifndef _PATH_DEFTAPE
    534 #define _PATH_DEFTAPE "/dev/nrst0"
    535 #endif
    536 #ifndef _PATH_VI
    537 #define _PATH_VI "/usr/bin/vi"
    538 #endif
    539 
    540 /* <stdarg.h> */
    541 
    542 #ifndef _BSD_VA_LIST_
    543 #define _BSD_VA_LIST_ va_list
    544 #endif
    545 
    546 /* <stdint.h> */
    547 
    548 #if !defined(SIZE_MAX) && defined(SIZE_T_MAX)
    549 #define SIZE_MAX SIZE_T_MAX
    550 #endif
    551 
    552 #ifndef UINT8_MAX
    553 #define UINT8_MAX 0xffU
    554 #endif
    555 
    556 #ifndef UINT16_MAX
    557 #define UINT16_MAX 0xffffU
    558 #endif
    559 
    560 #ifndef UINT32_MAX
    561 #define UINT32_MAX 0xffffffffU
    562 #endif
    563 
    564 /* <stdlib.h> */
    565 
    566 #ifndef __GNUC__
    567 # if HAVE_ALLOCA_H
    568 #  include <alloca.h>
    569 # else
    570 #  ifndef alloca /* predefined by HP cc +Olibcalls */
    571 char *alloca ();
    572 #  endif
    573 # endif
    574 #endif
    575 
    576 /* avoid prototype conflicts with host */
    577 #define cgetcap __nbcompat_cgetcap
    578 #define cgetclose __nbcompat_cgetclose
    579 #define cgetent __nbcompat_cgetent
    580 #define cgetfirst __nbcompat_cgetfirst
    581 #define cgetmatch __nbcompat_cgetmatch
    582 #define cgetnext __nbcompat_cgetnext
    583 #define cgetnum __nbcompat_cgetnum
    584 #define cgetset __nbcompat_cgetset
    585 #define cgetstr __nbcompat_cgetstr
    586 #define cgetustr __nbcompat_cgetustr
    587 
    588 char	*cgetcap(char *, const char *, int);
    589 int	 cgetclose(void);
    590 int	 cgetent(char **, const char * const *, const char *);
    591 int	 cgetfirst(char **, const char * const *);
    592 int	 cgetmatch(const char *, const char *);
    593 int	 cgetnext(char **, const char * const *);
    594 int	 cgetnum(char *, const char *, long *);
    595 int	 cgetset(const char *);
    596 int	 cgetstr(char *, const char *, char **);
    597 int	 cgetustr(char *, const char *, char **);
    598 
    599 /* <sys/endian.h> */
    600 
    601 #if WORDS_BIGENDIAN
    602 #if !HAVE_DECL_HTOBE16
    603 #define htobe16(x)	(x)
    604 #endif
    605 #if !HAVE_DECL_HTOBE32
    606 #define htobe32(x)	(x)
    607 #endif
    608 #if !HAVE_DECL_HTOBE64
    609 #define htobe64(x)	(x)
    610 #endif
    611 #if !HAVE_DECL_HTOLE16
    612 #define htole16(x)	bswap16((u_int16_t)(x))
    613 #endif
    614 #if !HAVE_DECL_HTOLE32
    615 #define htole32(x)	bswap32((u_int32_t)(x))
    616 #endif
    617 #if !HAVE_DECL_HTOLE64
    618 #define htole64(x)	bswap64((u_int64_t)(x))
    619 #endif
    620 #else
    621 #if !HAVE_DECL_HTOBE16
    622 #define htobe16(x)	bswap16((u_int16_t)(x))
    623 #endif
    624 #if !HAVE_DECL_HTOBE32
    625 #define htobe32(x)	bswap32((u_int32_t)(x))
    626 #endif
    627 #if !HAVE_DECL_HTOBE64
    628 #define htobe64(x)	bswap64((u_int64_t)(x))
    629 #endif
    630 #if !HAVE_DECL_HTOLE16
    631 #define htole16(x)	(x)
    632 #endif
    633 #if !HAVE_DECL_HTOLE32
    634 #define htole32(x)	(x)
    635 #endif
    636 #if !HAVE_DECL_HTOLE64
    637 #define htole64(x)	(x)
    638 #endif
    639 #endif
    640 #if !HAVE_DECL_BE16TOH
    641 #define be16toh(x)	htobe16(x)
    642 #endif
    643 #if !HAVE_DECL_BE32TOH
    644 #define be32toh(x)	htobe32(x)
    645 #endif
    646 #if !HAVE_DECL_BE64TOH
    647 #define be64toh(x)	htobe64(x)
    648 #endif
    649 #if !HAVE_DECL_LE16TOH
    650 #define le16toh(x)	htole16(x)
    651 #endif
    652 #if !HAVE_DECL_LE32TOH
    653 #define le32toh(x)	htole32(x)
    654 #endif
    655 #if !HAVE_DECL_LE64TOH
    656 #define le64toh(x)	htole64(x)
    657 #endif
    658 
    659 #define __GEN_ENDIAN_ENC(bits, endian) \
    660 static void \
    661 endian ## bits ## enc(void *dst, uint ## bits ## _t u) \
    662 { \
    663 	u = hto ## endian ## bits (u); \
    664 	memcpy(dst, &u, sizeof(u)); \
    665 }
    666 #if !HAVE_DECL_BE16ENC
    667 __GEN_ENDIAN_ENC(16, be)
    668 #endif
    669 #if !HAVE_DECL_BE32ENC
    670 __GEN_ENDIAN_ENC(32, be)
    671 #endif
    672 #if !HAVE_DECL_BE64ENC
    673 __GEN_ENDIAN_ENC(64, be)
    674 #endif
    675 #if !HAVE_DECL_LE16ENC
    676 __GEN_ENDIAN_ENC(16, le)
    677 #endif
    678 #if !HAVE_DECL_LE32ENC
    679 __GEN_ENDIAN_ENC(32, le)
    680 #endif
    681 #if !HAVE_DECL_LE64ENC
    682 __GEN_ENDIAN_ENC(64, le)
    683 #endif
    684 #undef __GEN_ENDIAN_ENC
    685 
    686 #define __GEN_ENDIAN_DEC(bits, endian) \
    687 static uint ## bits ## _t \
    688 endian ## bits ## dec(const void *buf) \
    689 { \
    690 	uint ## bits ## _t u; \
    691 	memcpy(&u, buf, sizeof(u)); \
    692 	return endian ## bits ## toh (u); \
    693 }
    694 #if !HAVE_DECL_BE16DEC
    695 __GEN_ENDIAN_DEC(16, be)
    696 #endif
    697 #if !HAVE_DECL_BE32DEC
    698 __GEN_ENDIAN_DEC(32, be)
    699 #endif
    700 #if !HAVE_DECL_BE64DEC
    701 __GEN_ENDIAN_DEC(64, be)
    702 #endif
    703 #if !HAVE_DECL_LE16DEC
    704 __GEN_ENDIAN_DEC(16, le)
    705 #endif
    706 #if !HAVE_DECL_LE32DEC
    707 __GEN_ENDIAN_DEC(32, le)
    708 #endif
    709 #if !HAVE_DECL_LE64DEC
    710 __GEN_ENDIAN_DEC(64, le)
    711 #endif
    712 #undef __GEN_ENDIAN_DEC
    713 
    714 /* <sys/mman.h> */
    715 
    716 #ifndef MAP_FILE
    717 #define MAP_FILE 0
    718 #endif
    719 
    720 /* HP-UX has MAP_ANONYMOUS but not MAP_ANON */
    721 #ifndef MAP_ANON
    722 #ifdef MAP_ANONYMOUS
    723 #define MAP_ANON MAP_ANONYMOUS
    724 #endif
    725 #endif
    726 
    727 /* <sys/param.h> */
    728 
    729 #undef BIG_ENDIAN
    730 #undef LITTLE_ENDIAN
    731 #define BIG_ENDIAN 4321
    732 #define LITTLE_ENDIAN 1234
    733 
    734 #undef BYTE_ORDER
    735 #if WORDS_BIGENDIAN
    736 #define BYTE_ORDER BIG_ENDIAN
    737 #else
    738 #define BYTE_ORDER LITTLE_ENDIAN
    739 #endif
    740 
    741 #ifndef DEV_BSIZE
    742 #define DEV_BSIZE (1 << 9)
    743 #endif
    744 
    745 #undef MIN
    746 #undef MAX
    747 #define MIN(a,b) ((a) < (b) ? (a) : (b))
    748 #define MAX(a,b) ((a) > (b) ? (a) : (b))
    749 
    750 #ifndef MAXBSIZE
    751 #define MAXBSIZE (64 * 1024)
    752 #endif
    753 #ifndef MAXFRAG
    754 #define MAXFRAG 8
    755 #endif
    756 #ifndef MAXPHYS
    757 #define MAXPHYS (64 * 1024)
    758 #endif
    759 
    760 /* XXX needed by makefs; this should be done in a better way */
    761 #undef btodb
    762 #define btodb(x) ((x) << 9)
    763 
    764 #undef setbit
    765 #undef clrbit
    766 #undef isset
    767 #undef isclr
    768 #define	setbit(a,i)	((a)[(i)/NBBY] |= 1<<((i)%NBBY))
    769 #define	clrbit(a,i)	((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
    770 #define	isset(a,i)	((a)[(i)/NBBY] & (1<<((i)%NBBY)))
    771 #define	isclr(a,i)	(((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
    772 
    773 #ifndef powerof2
    774 #define powerof2(x) ((((x)-1)&(x))==0)
    775 #endif
    776 
    777 #undef roundup
    778 #define roundup(x, y)	((((x)+((y)-1))/(y))*(y))
    779 
    780 /* <sys/stat.h> */
    781 
    782 #ifndef ALLPERMS
    783 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
    784 #endif
    785 #ifndef DEFFILEMODE
    786 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
    787 #endif
    788 #ifndef S_ISTXT
    789 #ifdef S_ISVTX
    790 #define S_ISTXT S_ISVTX
    791 #else
    792 #define S_ISTXT 0
    793 #endif
    794 #endif
    795 
    796 /* Protected by _NETBSD_SOURCE otherwise. */
    797 #if HAVE_STRUCT_STAT_ST_FLAGS && defined(__NetBSD__)
    798 #define UF_SETTABLE     0x0000ffff
    799 #define UF_NODUMP       0x00000001
    800 #define UF_IMMUTABLE    0x00000002
    801 #define UF_APPEND       0x00000004
    802 #define UF_OPAQUE       0x00000008
    803 #define SF_SETTABLE     0xffff0000
    804 #define SF_ARCHIVED     0x00010000
    805 #define SF_IMMUTABLE    0x00020000
    806 #define SF_APPEND       0x00040000
    807 #endif
    808 
    809 /* <sys/syslimits.h> */
    810 
    811 #ifndef LINE_MAX
    812 #define LINE_MAX 2048
    813 #endif
    814 
    815 /* <sys/time.h> */
    816 
    817 #ifndef timercmp
    818 #define	timercmp(tvp, uvp, cmp)						\
    819 	(((tvp)->tv_sec == (uvp)->tv_sec) ?				\
    820 	    ((tvp)->tv_usec cmp (uvp)->tv_usec) :			\
    821 	    ((tvp)->tv_sec cmp (uvp)->tv_sec))
    822 #endif
    823 #ifndef timeradd
    824 #define	timeradd(tvp, uvp, vvp)						\
    825 	do {								\
    826 		(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec;		\
    827 		(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec;	\
    828 		if ((vvp)->tv_usec >= 1000000) {			\
    829 			(vvp)->tv_sec++;				\
    830 			(vvp)->tv_usec -= 1000000;			\
    831 		}							\
    832 	} while (/* CONSTCOND */ 0)
    833 #endif
    834 #ifndef timersub
    835 #define	timersub(tvp, uvp, vvp)						\
    836 	do {								\
    837 		(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec;		\
    838 		(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec;	\
    839 		if ((vvp)->tv_usec < 0) {				\
    840 			(vvp)->tv_sec--;				\
    841 			(vvp)->tv_usec += 1000000;			\
    842 		}							\
    843 	} while (/* CONSTCOND */ 0)
    844 #endif
    845 
    846 /* <sys/types.h> */
    847 
    848 #ifdef major
    849 #undef major
    850 #endif
    851 #define major(x)        ((int32_t)((((x) & 0x000fff00) >>  8)))
    852 
    853 #ifdef minor
    854 #undef minor
    855 #endif
    856 #define minor(x)        ((int32_t)((((x) & 0xfff00000) >> 12) | \
    857                                    (((x) & 0x000000ff) >>  0)))
    858 #ifdef makedev
    859 #undef makedev
    860 #endif
    861 #define makedev(x,y)    ((dev_t)((((x) <<  8) & 0x000fff00) | \
    862 			(((y) << 12) & 0xfff00000) | \
    863 			(((y) <<  0) & 0x000000ff)))
    864 #ifndef NBBY
    865 #define NBBY 8
    866 #endif
    867 
    868 #if !HAVE_U_QUAD_T
    869 /* #define, not typedef, as quad_t exists as a struct on some systems */
    870 #define quad_t long long
    871 #define u_quad_t unsigned long long
    872 #define strtoq strtoll
    873 #define strtouq strtoull
    874 #endif
    875 
    876 /* Has quad_t but these prototypes don't get pulled into scope. w/o we lose */
    877 #ifdef __NetBSD__
    878 quad_t   strtoq __P((const char *, char **, int));
    879 u_quad_t strtouq __P((const char *, char **, int));
    880 #endif
    881 
    882 #endif	/* !__NETBSD_COMPAT_DEFS_H__ */
    883