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compat_defs.h revision 1.67.2.2
      1 /*	$NetBSD: compat_defs.h,v 1.67.2.2 2010/01/07 07:42:14 snj 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> here, so that "compat_pwd.h" works. */
     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 #else
    105 #define	__packed	error: no __packed for this compiler
    106 #endif
    107 #endif /* !__packed */
    108 #ifndef __RENAME
    109 #define __RENAME(x)
    110 #endif
    111 #undef __aconst
    112 #define __aconst
    113 #undef __dead
    114 #define __dead
    115 #undef __restrict
    116 #define __restrict
    117 #undef __unused
    118 #define __unused
    119 
    120 /* Dirent support. */
    121 
    122 #if HAVE_DIRENT_H
    123 # if defined(__linux__) && defined(__USE_BSD)
    124 #  undef __USE_BSD
    125 #  include <dirent.h>
    126 #  define __USE_BSD 1
    127 #  undef d_fileno
    128 # else
    129 #  include <dirent.h>
    130 #  if defined(__DARWIN_UNIX03)
    131 #   undef d_fileno
    132 #  endif
    133 # endif
    134 # define NAMLEN(dirent) (strlen((dirent)->d_name))
    135 #else
    136 # define dirent direct
    137 # define NAMLEN(dirent) ((dirent)->d_namlen)
    138 # if HAVE_SYS_NDIR_H
    139 #  include <sys/ndir.h>
    140 # endif
    141 # if HAVE_SYS_DIR_H
    142 #  include <sys/dir.h>
    143 # endif
    144 # if HAVE_NDIR_H
    145 #  include <ndir.h>
    146 # endif
    147 #endif
    148 
    149 /* Type substitutes. */
    150 
    151 #if !HAVE_ID_T
    152 typedef unsigned int id_t;
    153 #endif
    154 
    155 #if !HAVE_SOCKLEN_T
    156 typedef int socklen_t;
    157 #endif
    158 
    159 #if !HAVE_U_LONG
    160 typedef unsigned long u_long;
    161 #endif
    162 
    163 #if !HAVE_U_CHAR
    164 typedef unsigned char u_char;
    165 #endif
    166 
    167 #if !HAVE_U_INT
    168 typedef unsigned int u_int;
    169 #endif
    170 
    171 #if !HAVE_U_SHORT
    172 typedef unsigned short u_short;
    173 #endif
    174 
    175 /* Prototypes for replacement functions. */
    176 
    177 #if !HAVE_ATOLL
    178 long long int atoll(const char *);
    179 #endif
    180 
    181 #if !HAVE_ASPRINTF
    182 int asprintf(char **, const char *, ...);
    183 #endif
    184 
    185 #if !HAVE_ASNPRINTF
    186 int asnprintf(char **, size_t, const char *, ...);
    187 #endif
    188 
    189 #if !HAVE_BASENAME
    190 char *basename(char *);
    191 #endif
    192 
    193 #if !HAVE_DECL_OPTIND
    194 int getopt(int, char *const *, const char *);
    195 extern char *optarg;
    196 extern int optind, opterr, optopt;
    197 #endif
    198 
    199 #if !HAVE_DIRNAME
    200 char *dirname(char *);
    201 #endif
    202 
    203 #if !HAVE_DIRFD
    204 #if HAVE_DIR_DD_FD
    205 #define dirfd(dirp) ((dirp)->dd_fd)
    206 #elif HAVE_DIR___DD_FD
    207 #define dirfd(dirp) ((dirp)->__dd_fd)
    208 #else
    209 /*XXX: Very hacky but no other way to bring this into scope w/o defining
    210   _NETBSD_SOURCE which we're avoiding. */
    211 #ifdef __NetBSD__
    212 struct _dirdesc {
    213         int     dd_fd;          /* file descriptor associated with directory */
    214 	long    dd_loc;         /* offset in current buffer */
    215 	long    dd_size;        /* amount of data returned by getdents */
    216 	char    *dd_buf;        /* data buffer */
    217 	int     dd_len;         /* size of data buffer */
    218 	off_t   dd_seek;        /* magic cookie returned by getdents */
    219 	long    dd_rewind;      /* magic cookie for rewinding */
    220 	int     dd_flags;       /* flags for readdir */
    221 	void    *dd_lock;       /* lock for concurrent access */
    222 };
    223 #define dirfd(dirp)     (((struct _dirdesc *)dirp)->dd_fd)
    224 #else
    225 #error cannot figure out how to turn a DIR * into a fd
    226 #endif
    227 #endif
    228 #endif
    229 
    230 #if !HAVE_ERR_H
    231 void err(int, const char *, ...);
    232 void errx(int, const char *, ...);
    233 void warn(const char *, ...);
    234 void warnx(const char *, ...);
    235 #endif
    236 
    237 #if !HAVE_ESETFUNC
    238 void (*esetfunc(void (*)(int, const char *, ...)))(int, const char *, ...);
    239 size_t estrlcpy(char *, const char *, size_t);
    240 size_t estrlcat(char *, const char *, size_t);
    241 char *estrdup(const char *);
    242 char *estrndup(const char *, size_t);
    243 void *ecalloc(size_t, size_t);
    244 void *emalloc(size_t);
    245 void *erealloc(void *, size_t);
    246 FILE *efopen(const char *, const char *);
    247 int easprintf(char **, const char *, ...);
    248 int evasprintf(char **, const char *, va_list);
    249 #endif
    250 
    251 #if !HAVE_FGETLN || defined(__NetBSD__)
    252 char *fgetln(FILE *, size_t *);
    253 #endif
    254 
    255 #if !HAVE_FLOCK
    256 # define LOCK_SH		0x01
    257 # define LOCK_EX		0x02
    258 # define LOCK_NB		0x04
    259 # define LOCK_UN		0x08
    260 int flock(int, int);
    261 #endif
    262 
    263 #if !HAVE_FPARSELN || BROKEN_FPARSELN || defined(__NetBSD__)
    264 # define FPARSELN_UNESCESC	0x01
    265 # define FPARSELN_UNESCCONT	0x02
    266 # define FPARSELN_UNESCCOMM	0x04
    267 # define FPARSELN_UNESCREST	0x08
    268 # define FPARSELN_UNESCALL	0x0f
    269 char *fparseln(FILE *, size_t *, size_t *, const char [3], int);
    270 #endif
    271 
    272 #if !HAVE_ISSETUGID
    273 int issetugid(void);
    274 #endif
    275 
    276 #if !HAVE_ISBLANK && !defined(isblank)
    277 #define isblank(x) ((x) == ' ' || (x) == '\t')
    278 #endif
    279 
    280 #define __nbcompat_bswap16(x)	((((x) << 8) & 0xff00) | (((x) >> 8) & 0x00ff))
    281 
    282 #define __nbcompat_bswap32(x)	((((x) << 24) & 0xff000000) | \
    283 				 (((x) <<  8) & 0x00ff0000) | \
    284 				 (((x) >>  8) & 0x0000ff00) | \
    285 				 (((x) >> 24) & 0x000000ff))
    286 
    287 #define __nbcompat_bswap64(x)	(((u_int64_t)bswap32((x)) << 32) | \
    288 				 ((u_int64_t)bswap32((x) >> 32)))
    289 
    290 #if ! HAVE_DECL_BSWAP16
    291 #ifdef bswap16
    292 #undef bswap16
    293 #endif
    294 #define bswap16(x)	__nbcompat_bswap16(x)
    295 #endif
    296 #if ! HAVE_DECL_BSWAP32
    297 #ifdef bswap32
    298 #undef bswap32
    299 #endif
    300 #define bswap32(x)	__nbcompat_bswap32(x)
    301 #endif
    302 #if ! HAVE_DECL_BSWAP64
    303 #ifdef bswap64
    304 #undef bswap64
    305 #endif
    306 #define bswap64(x)	__nbcompat_bswap64(x)
    307 #endif
    308 
    309 #if !HAVE_MKSTEMP
    310 int mkstemp(char *);
    311 #endif
    312 
    313 #if !HAVE_MKDTEMP
    314 char *mkdtemp(char *);
    315 #endif
    316 
    317 #if !HAVE_MKSTEMP || !HAVE_MKDTEMP
    318 /* This is a prototype for the internal function defined in
    319  * src/lib/lib/stdio/gettemp.c */
    320 int __nbcompat_gettemp(char *, int *, int);
    321 #endif
    322 
    323 #if !HAVE_PREAD
    324 ssize_t pread(int, void *, size_t, off_t);
    325 #endif
    326 
    327 #if !HAVE_HEAPSORT
    328 int heapsort (void *, size_t, size_t, int (*)(const void *, const void *));
    329 #endif
    330 /* Make them use our version */
    331 #  define heapsort __nbcompat_heapsort
    332 
    333 /*
    334  * HAVE_X_FROM_Y and HAVE_PWCACHE_FOODB go together, because we cannot
    335  * supply an implementation of one without the others -- some parts are
    336  * libc internal and this varies from system to system.
    337  *
    338  * XXX this is dubious anyway: we assume (see HAVE_DECLs below) that if the
    339  * XXX host system has all of these functions, all of their interfaces
    340  * XXX and interactions are exactly the same as in our libc/libutil -- ugh.
    341  */
    342 #if !HAVE_USER_FROM_UID || !HAVE_UID_FROM_USER || !HAVE_GROUP_FROM_GID || \
    343     !HAVE_GID_FROM_GROUP || !HAVE_PWCACHE_USERDB || !HAVE_PWCACHE_GROUDB
    344 /* Make them use our version */
    345 #  define user_from_uid __nbcompat_user_from_uid
    346 #  define uid_from_user __nbcompat_uid_from_user
    347 #  define pwcache_userdb __nbcompat_pwcache_userdb
    348 #  define group_from_gid __nbcompat_group_from_gid
    349 #  define gid_from_group __nbcompat_gid_from_group
    350 #  define pwcache_groupdb __nbcompat_pwcache_groupdb
    351 #endif
    352 
    353 #if !HAVE_DECL_UID_FROM_USER
    354 int uid_from_user(const char *, uid_t *);
    355 #endif
    356 #if !HAVE_DECL_USER_FROM_UID
    357 const char *user_from_uid(uid_t, int);
    358 #endif
    359 #if !HAVE_DECL_PWCACHE_USERDB
    360 int pwcache_userdb(int (*)(int), void (*)(void),
    361                 struct passwd * (*)(const char *), struct passwd * (*)(uid_t));
    362 #endif
    363 #if !HAVE_DECL_GID_FROM_GROUP
    364 int gid_from_group(const char *, gid_t *);
    365 #endif
    366 #if !HAVE_DECL_GROUP_FROM_GID
    367 const char *group_from_gid(gid_t, int);
    368 #endif
    369 #if !HAVE_DECL_PWCACHE_GROUPDB
    370 int pwcache_groupdb(int (*)(int), void (*)(void),
    371                 struct group * (*)(const char *), struct group * (*)(gid_t));
    372 #endif
    373 
    374 #if !HAVE_DECL_STRNDUP
    375 char		*strndup(const char *, size_t);
    376 #endif
    377 #if !HAVE_DECL_LCHFLAGS
    378 int		lchflags(const char *, unsigned long);
    379 #endif
    380 #if !HAVE_DECL_LCHMOD
    381 int		lchmod(const char *, mode_t);
    382 #endif
    383 #if !HAVE_DECL_LCHOWN
    384 int		lchown(const char *, uid_t, gid_t);
    385 #endif
    386 
    387 #if !HAVE_PWRITE
    388 ssize_t pwrite(int, const void *, size_t, off_t);
    389 #endif
    390 
    391 #if !HAVE_RAISE_DEFAULT_SIGNAL
    392 int raise_default_signal(int);
    393 #endif
    394 
    395 #if !HAVE_SETENV
    396 int setenv(const char *, const char *, int);
    397 #endif
    398 
    399 #if !HAVE_DECL_SETGROUPENT
    400 int setgroupent(int);
    401 #endif
    402 
    403 #if !HAVE_DECL_SETPASSENT
    404 int setpassent(int);
    405 #endif
    406 
    407 #if !HAVE_SETPROGNAME || defined(__NetBSD__)
    408 const char *getprogname(void);
    409 void setprogname(const char *);
    410 #endif
    411 
    412 #if !HAVE_SNPRINTF
    413 int snprintf(char *, size_t, const char *, ...);
    414 #endif
    415 
    416 #if !HAVE_STRLCAT
    417 size_t strlcat(char *, const char *, size_t);
    418 #endif
    419 
    420 #if !HAVE_STRLCPY
    421 size_t strlcpy(char *, const char *, size_t);
    422 #endif
    423 
    424 #if !HAVE_STRMODE
    425 void strmode(mode_t, char *);
    426 #endif
    427 
    428 #if !HAVE_STRNDUP
    429 char *strndup(const char *, size_t);
    430 #endif
    431 
    432 #if !HAVE_STRSEP || defined(__NetBSD__)
    433 char *strsep(char **, const char *);
    434 #endif
    435 
    436 #if !HAVE_DECL_STRSUFTOLL
    437 long long strsuftoll(const char *, const char *, long long, long long);
    438 long long strsuftollx(const char *, const char *,
    439 			long long, long long, char *, size_t);
    440 #endif
    441 
    442 #if !HAVE_STRTOLL
    443 long long strtoll(const char *, char **, int);
    444 #endif
    445 
    446 #if !HAVE_USER_FROM_UID
    447 const char *user_from_uid(uid_t, int);
    448 #endif
    449 
    450 #if !HAVE_GROUP_FROM_GID
    451 const char *group_from_gid(gid_t, int);
    452 #endif
    453 
    454 #if !HAVE_VASPRINTF
    455 int vasprintf(char **, const char *, va_list);
    456 #endif
    457 
    458 #if !HAVE_VASNPRINTF
    459 int vasnprintf(char **, size_t, const char *, va_list);
    460 #endif
    461 
    462 #if !HAVE_VSNPRINTF
    463 int vsnprintf(char *, size_t, const char *, va_list);
    464 #endif
    465 
    466 /*
    467  * getmode() and setmode() are always defined, as these function names
    468  * exist but with very different meanings on other OS's.  The compat
    469  * versions here simply accept an octal mode number; the "u+x,g-w" type
    470  * of syntax is not accepted.
    471  */
    472 
    473 #define getmode __nbcompat_getmode
    474 #define setmode __nbcompat_setmode
    475 
    476 mode_t getmode(const void *, mode_t);
    477 void *setmode(const char *);
    478 
    479 /* Eliminate assertions embedded in binaries. */
    480 
    481 #undef _DIAGASSERT
    482 #define _DIAGASSERT(x)
    483 
    484 /* Various sources use this */
    485 #undef	__RCSID
    486 #define	__RCSID(x)
    487 #undef	__SCCSID
    488 #define	__SCCSID(x)
    489 #undef	__COPYRIGHT
    490 #define	__COPYRIGHT(x)
    491 #undef	__KERNEL_RCSID
    492 #define	__KERNEL_RCSID(x,y)
    493 
    494 /* Heimdal expects this one. */
    495 
    496 #undef RCSID
    497 #define RCSID(x)
    498 
    499 /* Some definitions not available on all systems. */
    500 
    501 /* <errno.h> */
    502 
    503 #ifndef EFTYPE
    504 #define EFTYPE EIO
    505 #endif
    506 
    507 /* <fcntl.h> */
    508 
    509 #ifndef O_EXLOCK
    510 #define O_EXLOCK 0
    511 #endif
    512 #ifndef O_SHLOCK
    513 #define O_SHLOCK 0
    514 #endif
    515 
    516 /* <limits.h> */
    517 
    518 #ifndef UID_MAX
    519 #define UID_MAX 32767
    520 #endif
    521 #ifndef GID_MAX
    522 #define GID_MAX UID_MAX
    523 #endif
    524 
    525 #ifndef UQUAD_MAX
    526 #define UQUAD_MAX ((u_quad_t)-1)
    527 #endif
    528 #ifndef QUAD_MAX
    529 #define QUAD_MAX ((quad_t)(UQUAD_MAX >> 1))
    530 #endif
    531 #ifndef QUAD_MIN
    532 #define QUAD_MIN ((quad_t)(~QUAD_MAX))
    533 #endif
    534 #ifndef ULLONG_MAX
    535 #define ULLONG_MAX ((unsigned long long)-1)
    536 #endif
    537 #ifndef LLONG_MAX
    538 #define LLONG_MAX ((long long)(ULLONG_MAX >> 1))
    539 #endif
    540 #ifndef LLONG_MIN
    541 #define LLONG_MIN ((long long)(~LLONG_MAX))
    542 #endif
    543 
    544 /* <paths.h> */
    545 
    546 /* The host's _PATH_BSHELL might be broken, so override it. */
    547 #undef _PATH_BSHELL
    548 #define _PATH_BSHELL PATH_BSHELL
    549 #ifndef _PATH_DEFPATH
    550 #define _PATH_DEFPATH "/usr/bin:/bin:/usr/local/bin"
    551 #endif
    552 #ifndef _PATH_DEV
    553 #define _PATH_DEV "/dev/"
    554 #endif
    555 #ifndef _PATH_DEVNULL
    556 #define _PATH_DEVNULL _PATH_DEV "null"
    557 #endif
    558 #ifndef _PATH_TMP
    559 #define _PATH_TMP "/tmp/"
    560 #endif
    561 #ifndef _PATH_DEFTAPE
    562 #define _PATH_DEFTAPE "/dev/nrst0"
    563 #endif
    564 #ifndef _PATH_VI
    565 #define _PATH_VI "/usr/bin/vi"
    566 #endif
    567 
    568 /* <stdarg.h> */
    569 
    570 #ifndef _BSD_VA_LIST_
    571 #define _BSD_VA_LIST_ va_list
    572 #endif
    573 
    574 /* <stdint.h> */
    575 
    576 #if !defined(SIZE_MAX) && defined(SIZE_T_MAX)
    577 #define SIZE_MAX SIZE_T_MAX
    578 #endif
    579 
    580 #ifndef UINT8_MAX
    581 #define UINT8_MAX 0xffU
    582 #endif
    583 
    584 #ifndef UINT16_MAX
    585 #define UINT16_MAX 0xffffU
    586 #endif
    587 
    588 #ifndef UINT32_MAX
    589 #define UINT32_MAX 0xffffffffU
    590 #endif
    591 
    592 /* <stdlib.h> */
    593 
    594 #ifndef __GNUC__
    595 # if HAVE_ALLOCA_H
    596 #  include <alloca.h>
    597 # else
    598 #  ifndef alloca /* predefined by HP cc +Olibcalls */
    599 char *alloca ();
    600 #  endif
    601 # endif
    602 #endif
    603 
    604 /* avoid prototype conflicts with host */
    605 #define cgetcap __nbcompat_cgetcap
    606 #define cgetclose __nbcompat_cgetclose
    607 #define cgetent __nbcompat_cgetent
    608 #define cgetfirst __nbcompat_cgetfirst
    609 #define cgetmatch __nbcompat_cgetmatch
    610 #define cgetnext __nbcompat_cgetnext
    611 #define cgetnum __nbcompat_cgetnum
    612 #define cgetset __nbcompat_cgetset
    613 #define cgetstr __nbcompat_cgetstr
    614 #define cgetustr __nbcompat_cgetustr
    615 
    616 char	*cgetcap(char *, const char *, int);
    617 int	 cgetclose(void);
    618 int	 cgetent(char **, const char * const *, const char *);
    619 int	 cgetfirst(char **, const char * const *);
    620 int	 cgetmatch(const char *, const char *);
    621 int	 cgetnext(char **, const char * const *);
    622 int	 cgetnum(char *, const char *, long *);
    623 int	 cgetset(const char *);
    624 int	 cgetstr(char *, const char *, char **);
    625 int	 cgetustr(char *, const char *, char **);
    626 
    627 /* <sys/endian.h> */
    628 
    629 #if WORDS_BIGENDIAN
    630 #if !HAVE_DECL_HTOBE16
    631 #define htobe16(x)	(x)
    632 #endif
    633 #if !HAVE_DECL_HTOBE32
    634 #define htobe32(x)	(x)
    635 #endif
    636 #if !HAVE_DECL_HTOBE64
    637 #define htobe64(x)	(x)
    638 #endif
    639 #if !HAVE_DECL_HTOLE16
    640 #define htole16(x)	bswap16((u_int16_t)(x))
    641 #endif
    642 #if !HAVE_DECL_HTOLE32
    643 #define htole32(x)	bswap32((u_int32_t)(x))
    644 #endif
    645 #if !HAVE_DECL_HTOLE64
    646 #define htole64(x)	bswap64((u_int64_t)(x))
    647 #endif
    648 #else
    649 #if !HAVE_DECL_HTOBE16
    650 #define htobe16(x)	bswap16((u_int16_t)(x))
    651 #endif
    652 #if !HAVE_DECL_HTOBE32
    653 #define htobe32(x)	bswap32((u_int32_t)(x))
    654 #endif
    655 #if !HAVE_DECL_HTOBE64
    656 #define htobe64(x)	bswap64((u_int64_t)(x))
    657 #endif
    658 #if !HAVE_DECL_HTOLE16
    659 #define htole16(x)	(x)
    660 #endif
    661 #if !HAVE_DECL_HTOLE32
    662 #define htole32(x)	(x)
    663 #endif
    664 #if !HAVE_DECL_HTOLE64
    665 #define htole64(x)	(x)
    666 #endif
    667 #endif
    668 #if !HAVE_DECL_BE16TOH
    669 #define be16toh(x)	htobe16(x)
    670 #endif
    671 #if !HAVE_DECL_BE32TOH
    672 #define be32toh(x)	htobe32(x)
    673 #endif
    674 #if !HAVE_DECL_BE64TOH
    675 #define be64toh(x)	htobe64(x)
    676 #endif
    677 #if !HAVE_DECL_LE16TOH
    678 #define le16toh(x)	htole16(x)
    679 #endif
    680 #if !HAVE_DECL_LE32TOH
    681 #define le32toh(x)	htole32(x)
    682 #endif
    683 #if !HAVE_DECL_LE64TOH
    684 #define le64toh(x)	htole64(x)
    685 #endif
    686 
    687 #define __GEN_ENDIAN_ENC(bits, endian) \
    688 static void \
    689 endian ## bits ## enc(void *dst, uint ## bits ## _t u) \
    690 { \
    691 	u = hto ## endian ## bits (u); \
    692 	memcpy(dst, &u, sizeof(u)); \
    693 }
    694 #if !HAVE_DECL_BE16ENC
    695 __GEN_ENDIAN_ENC(16, be)
    696 #endif
    697 #if !HAVE_DECL_BE32ENC
    698 __GEN_ENDIAN_ENC(32, be)
    699 #endif
    700 #if !HAVE_DECL_BE64ENC
    701 __GEN_ENDIAN_ENC(64, be)
    702 #endif
    703 #if !HAVE_DECL_LE16ENC
    704 __GEN_ENDIAN_ENC(16, le)
    705 #endif
    706 #if !HAVE_DECL_LE32ENC
    707 __GEN_ENDIAN_ENC(32, le)
    708 #endif
    709 #if !HAVE_DECL_LE64ENC
    710 __GEN_ENDIAN_ENC(64, le)
    711 #endif
    712 #undef __GEN_ENDIAN_ENC
    713 
    714 #define __GEN_ENDIAN_DEC(bits, endian) \
    715 static uint ## bits ## _t \
    716 endian ## bits ## dec(const void *buf) \
    717 { \
    718 	uint ## bits ## _t u; \
    719 	memcpy(&u, buf, sizeof(u)); \
    720 	return endian ## bits ## toh (u); \
    721 }
    722 #if !HAVE_DECL_BE16DEC
    723 __GEN_ENDIAN_DEC(16, be)
    724 #endif
    725 #if !HAVE_DECL_BE32DEC
    726 __GEN_ENDIAN_DEC(32, be)
    727 #endif
    728 #if !HAVE_DECL_BE64DEC
    729 __GEN_ENDIAN_DEC(64, be)
    730 #endif
    731 #if !HAVE_DECL_LE16DEC
    732 __GEN_ENDIAN_DEC(16, le)
    733 #endif
    734 #if !HAVE_DECL_LE32DEC
    735 __GEN_ENDIAN_DEC(32, le)
    736 #endif
    737 #if !HAVE_DECL_LE64DEC
    738 __GEN_ENDIAN_DEC(64, le)
    739 #endif
    740 #undef __GEN_ENDIAN_DEC
    741 
    742 /* <sys/mman.h> */
    743 
    744 #ifndef MAP_FILE
    745 #define MAP_FILE 0
    746 #endif
    747 
    748 /* HP-UX has MAP_ANONYMOUS but not MAP_ANON */
    749 #ifndef MAP_ANON
    750 #ifdef MAP_ANONYMOUS
    751 #define MAP_ANON MAP_ANONYMOUS
    752 #endif
    753 #endif
    754 
    755 /* <sys/param.h> */
    756 
    757 #undef BIG_ENDIAN
    758 #undef LITTLE_ENDIAN
    759 #define BIG_ENDIAN 4321
    760 #define LITTLE_ENDIAN 1234
    761 
    762 #undef BYTE_ORDER
    763 #if WORDS_BIGENDIAN
    764 #define BYTE_ORDER BIG_ENDIAN
    765 #else
    766 #define BYTE_ORDER LITTLE_ENDIAN
    767 #endif
    768 
    769 #ifndef DEV_BSIZE
    770 #define DEV_BSIZE (1 << 9)
    771 #endif
    772 
    773 #undef MIN
    774 #undef MAX
    775 #define MIN(a,b) ((a) < (b) ? (a) : (b))
    776 #define MAX(a,b) ((a) > (b) ? (a) : (b))
    777 
    778 #ifndef MAXBSIZE
    779 #define MAXBSIZE (64 * 1024)
    780 #endif
    781 #ifndef MAXFRAG
    782 #define MAXFRAG 8
    783 #endif
    784 #ifndef MAXPHYS
    785 #define MAXPHYS (64 * 1024)
    786 #endif
    787 
    788 /* XXX needed by makefs; this should be done in a better way */
    789 #undef btodb
    790 #define btodb(x) ((x) << 9)
    791 
    792 #undef setbit
    793 #undef clrbit
    794 #undef isset
    795 #undef isclr
    796 #define	setbit(a,i)	((a)[(i)/NBBY] |= 1<<((i)%NBBY))
    797 #define	clrbit(a,i)	((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
    798 #define	isset(a,i)	((a)[(i)/NBBY] & (1<<((i)%NBBY)))
    799 #define	isclr(a,i)	(((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
    800 
    801 #ifndef powerof2
    802 #define powerof2(x) ((((x)-1)&(x))==0)
    803 #endif
    804 
    805 #undef roundup
    806 #define roundup(x, y)	((((x)+((y)-1))/(y))*(y))
    807 
    808 /* <sys/stat.h> */
    809 
    810 #ifndef ALLPERMS
    811 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
    812 #endif
    813 #ifndef DEFFILEMODE
    814 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
    815 #endif
    816 #ifndef S_ISTXT
    817 #ifdef S_ISVTX
    818 #define S_ISTXT S_ISVTX
    819 #else
    820 #define S_ISTXT 0
    821 #endif
    822 #endif
    823 
    824 /* Protected by _NETBSD_SOURCE otherwise. */
    825 #if HAVE_STRUCT_STAT_ST_FLAGS && defined(__NetBSD__)
    826 #define UF_SETTABLE     0x0000ffff
    827 #define UF_NODUMP       0x00000001
    828 #define UF_IMMUTABLE    0x00000002
    829 #define UF_APPEND       0x00000004
    830 #define UF_OPAQUE       0x00000008
    831 #define SF_SETTABLE     0xffff0000
    832 #define SF_ARCHIVED     0x00010000
    833 #define SF_IMMUTABLE    0x00020000
    834 #define SF_APPEND       0x00040000
    835 #endif
    836 
    837 /* <sys/syslimits.h> */
    838 
    839 #ifndef LINE_MAX
    840 #define LINE_MAX 2048
    841 #endif
    842 
    843 /* <sys/time.h> */
    844 
    845 #ifndef timercmp
    846 #define	timercmp(tvp, uvp, cmp)						\
    847 	(((tvp)->tv_sec == (uvp)->tv_sec) ?				\
    848 	    ((tvp)->tv_usec cmp (uvp)->tv_usec) :			\
    849 	    ((tvp)->tv_sec cmp (uvp)->tv_sec))
    850 #endif
    851 #ifndef timeradd
    852 #define	timeradd(tvp, uvp, vvp)						\
    853 	do {								\
    854 		(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec;		\
    855 		(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec;	\
    856 		if ((vvp)->tv_usec >= 1000000) {			\
    857 			(vvp)->tv_sec++;				\
    858 			(vvp)->tv_usec -= 1000000;			\
    859 		}							\
    860 	} while (/* CONSTCOND */ 0)
    861 #endif
    862 #ifndef timersub
    863 #define	timersub(tvp, uvp, vvp)						\
    864 	do {								\
    865 		(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec;		\
    866 		(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec;	\
    867 		if ((vvp)->tv_usec < 0) {				\
    868 			(vvp)->tv_sec--;				\
    869 			(vvp)->tv_usec += 1000000;			\
    870 		}							\
    871 	} while (/* CONSTCOND */ 0)
    872 #endif
    873 
    874 /* <sys/types.h> */
    875 
    876 #ifdef major
    877 #undef major
    878 #endif
    879 #define major(x)        ((int32_t)((((x) & 0x000fff00) >>  8)))
    880 
    881 #ifdef minor
    882 #undef minor
    883 #endif
    884 #define minor(x)        ((int32_t)((((x) & 0xfff00000) >> 12) | \
    885                                    (((x) & 0x000000ff) >>  0)))
    886 #ifdef makedev
    887 #undef makedev
    888 #endif
    889 #define makedev(x,y)    ((dev_t)((((x) <<  8) & 0x000fff00) | \
    890 			(((y) << 12) & 0xfff00000) | \
    891 			(((y) <<  0) & 0x000000ff)))
    892 #ifndef NBBY
    893 #define NBBY 8
    894 #endif
    895 
    896 #if !HAVE_U_QUAD_T
    897 /* #define, not typedef, as quad_t exists as a struct on some systems */
    898 #define quad_t long long
    899 #define u_quad_t unsigned long long
    900 #define strtoq strtoll
    901 #define strtouq strtoull
    902 #endif
    903 
    904 /* Has quad_t but these prototypes don't get pulled into scope. w/o we lose */
    905 #ifdef __NetBSD__
    906 quad_t   strtoq __P((const char *, char **, int));
    907 u_quad_t strtouq __P((const char *, char **, int));
    908 #endif
    909 
    910 #endif	/* !__NETBSD_COMPAT_DEFS_H__ */
    911