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NetBSD/tools/compat/compat_defs.h
dyoung 9151f942f8 Two changes to facilitate building tools on Darwin: 
1. #undef d_fileno, which is set by Darwin's <dirent.h>,
           and which clashes with d_fileno in NetBSD headers.

        2. Install the sys/ufs/ header files in nbinclude/ in order
           to override Darwin's own, incompatible header files.
2006-02-14 04:59:33 +00:00

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/* $NetBSD: compat_defs.h,v 1.52 2006/02/14 04:59:33 dyoung Exp $ */
#ifndef __NETBSD_COMPAT_DEFS_H__
#define __NETBSD_COMPAT_DEFS_H__
/* Work around some complete brain damage. */
/*
* Linux: <features.h> turns on _POSIX_SOURCE by default, even though the
* program (not the OS) should do that. Preload <features.h> to keep any
* of this crap from being pulled in, and undefine _POSIX_SOURCE.
*/
#if defined(__linux__) && HAVE_FEATURES_H
#include <features.h>
#endif
/* So _NETBSD_SOURCE doesn't end up defined. Define enough to pull in standard
defs. Other platforms may need similiar defines. */
#ifdef __NetBSD__
#define _ISOC99_SOURCE
#define _POSIX_SOURCE 1
#define _POSIX_C_SOURCE 200112L
#define _XOPEN_SOURCE 600
#else
#undef _POSIX_SOURCE
#undef _POSIX_C_SOURCE
#endif
/* System headers needed for (re)definitions below. */
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/param.h>
/* time.h needs to be pulled in first at least on netbsd w/o _NETBSD_SOURCE */
#include <sys/time.h>
#include <sys/stat.h>
#include <errno.h>
#include <fcntl.h>
#include <grp.h>
#include <limits.h>
#include <paths.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if HAVE_SYS_CDEFS_H
#include <sys/cdefs.h>
#endif
#if HAVE_SYS_SYSLIMITS_H
#include <sys/syslimits.h>
#endif
#if HAVE_SYS_SYSMACROS_H
/* major(), minor() on SVR4 */
#include <sys/sysmacros.h>
#endif
#if HAVE_INTTYPES_H
#include <inttypes.h>
#endif
#if HAVE_STDDEF_H
#include <stddef.h>
#endif
#ifdef _NETBSD_SOURCE
#error _NETBSD_SOURCE is *not* to be defined.
#endif
/* Need this since we can't depend on NetBSD's version to be around */
#ifdef __UNCONST
#undef __UNCONST
#endif
#define __UNCONST(a) ((void *)(unsigned long)(const void *)(a))
/* We don't include <pwd.h> here, so that "compat_pwd.h" works. */
struct passwd;
/* Assume an ANSI compiler for the host. */
#undef __P
#define __P(x) x
#ifndef __BEGIN_DECLS
#define __BEGIN_DECLS
#endif
#ifndef __END_DECLS
#define __END_DECLS
#endif
/* Some things usually in BSD <sys/cdefs.h>. */
#ifndef __CONCAT
#define __CONCAT(x,y) x ## y
#endif
#if !defined(__attribute__) && !defined(__GNUC__)
#define __attribute__(x)
#endif
#if !defined(__packed)
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
#define __packed __attribute__((__packed__))
#else
#define __packed error: no __packed for this compiler
#endif
#endif /* !__packed */
#ifndef __RENAME
#define __RENAME(x)
#endif
#undef __aconst
#define __aconst
#undef __dead
#define __dead
#undef __restrict
#define __restrict
/* Dirent support. */
#if HAVE_DIRENT_H
# if defined(__linux__) && defined(__USE_BSD)
# undef __USE_BSD
# include <dirent.h>
# define __USE_BSD 1
# undef d_fileno
# else
# include <dirent.h>
# if defined(__DARWIN_UNIX03)
# undef d_fileno
# endif
# endif
# define NAMLEN(dirent) (strlen((dirent)->d_name))
#else
# define dirent direct
# define NAMLEN(dirent) ((dirent)->d_namlen)
# if HAVE_SYS_NDIR_H
# include <sys/ndir.h>
# endif
# if HAVE_SYS_DIR_H
# include <sys/dir.h>
# endif
# if HAVE_NDIR_H
# include <ndir.h>
# endif
#endif
/* Type substitutes. */
#if !HAVE_ID_T
typedef unsigned long id_t;
#endif
#if !HAVE_SOCKLEN_T
typedef int socklen_t;
#endif
#if !HAVE_U_LONG
typedef unsigned long u_long;
#endif
#if !HAVE_U_CHAR
typedef unsigned char u_char;
#endif
#if !HAVE_U_INT
typedef unsigned int u_int;
#endif
#if !HAVE_U_SHORT
typedef unsigned short u_short;
#endif
/* Prototypes for replacement functions. */
#if !HAVE_ATOLL
long long int atoll(const char *);
#endif
#if !HAVE_ASPRINTF
int asprintf(char **, const char *, ...);
#endif
#if !HAVE_ASNPRINTF
int asnprintf(char **, size_t, const char *, ...);
#endif
#if !HAVE_BASENAME
char *basename(char *);
#endif
#if !HAVE_DECL_OPTIND
int getopt(int, char *const *, const char *);
extern char *optarg;
extern int optind, opterr, optopt;
#endif
#if !HAVE_DIRNAME
char *dirname(char *);
#endif
#if !HAVE_DIRFD
#if HAVE_DIR_DD_FD
#define dirfd(dirp) ((dirp)->dd_fd)
#else
/*XXX: Very hacky but no other way to bring this into scope w/o defining
_NETBSD_SOURCE which we're avoiding. */
#ifdef __NetBSD__
struct _dirdesc {
int dd_fd; /* file descriptor associated with directory */
long dd_loc; /* offset in current buffer */
long dd_size; /* amount of data returned by getdents */
char *dd_buf; /* data buffer */
int dd_len; /* size of data buffer */
off_t dd_seek; /* magic cookie returned by getdents */
long dd_rewind; /* magic cookie for rewinding */
int dd_flags; /* flags for readdir */
void *dd_lock; /* lock for concurrent access */
};
#define dirfd(dirp) (((struct _dirdesc *)dirp)->dd_fd)
#else
#error cannot figure out how to turn a DIR * into a fd
#endif
#endif
#endif
#if !HAVE_ERR_H
void err(int, const char *, ...);
void errx(int, const char *, ...);
void warn(const char *, ...);
void warnx(const char *, ...);
#endif
#if !HAVE_FGETLN || defined(__NetBSD__)
char *fgetln(FILE *, size_t *);
#endif
#if !HAVE_FLOCK
# define LOCK_SH 0x01
# define LOCK_EX 0x02
# define LOCK_NB 0x04
# define LOCK_UN 0x08
int flock(int, int);
#endif
#if !HAVE_FPARSELN || defined(__NetBSD__)
# define FPARSELN_UNESCESC 0x01
# define FPARSELN_UNESCCONT 0x02
# define FPARSELN_UNESCCOMM 0x04
# define FPARSELN_UNESCREST 0x08
# define FPARSELN_UNESCALL 0x0f
char *fparseln(FILE *, size_t *, size_t *, const char [3], int);
#endif
#if !HAVE_ISSETUGID
int issetugid(void);
#endif
#if !HAVE_ISBLANK && !defined(isblank)
#define isblank(x) ((x) == ' ' || (x) == '\t')
#endif
#if !HAVE_LCHFLAGS
int lchflags(const char *, u_long);
#endif
#if !HAVE_LCHMOD
int lchmod(const char *, mode_t);
#endif
#if !HAVE_LCHOWN
int lchown(const char *, uid_t, gid_t);
#endif
#define __nbcompat_bswap16(x) ((((x) << 8) & 0xff00) | (((x) >> 8) & 0x00ff))
#define __nbcompat_bswap32(x) ((((x) << 24) & 0xff000000) | \
(((x) << 8) & 0x00ff0000) | \
(((x) >> 8) & 0x0000ff00) | \
(((x) >> 24) & 0x000000ff))
#define __nbcompat_bswap64(x) (((u_int64_t)bswap32((x)) << 32) | \
((u_int64_t)bswap32((x) >> 32)))
#if ! HAVE_DECL_BSWAP16
#ifdef bswap16
#undef bswap16
#endif
#define bswap16(x) __nbcompat_bswap16(x)
#endif
#if ! HAVE_DECL_BSWAP32
#ifdef bswap32
#undef bswap32
#endif
#define bswap32(x) __nbcompat_bswap32(x)
#endif
#if ! HAVE_DECL_BSWAP64
#ifdef bswap64
#undef bswap64
#endif
#define bswap64(x) __nbcompat_bswap64(x)
#endif
#if !HAVE_MKSTEMP
int mkstemp(char *);
#endif
#if !HAVE_MKDTEMP
char *mkdtemp(char *);
#endif
#if !HAVE_MKSTEMP || !HAVE_MKDTEMP
/* This is a prototype for the internal function. */
int gettemp(char *, int *, int);
#endif
#if !HAVE_PREAD
ssize_t pread(int, void *, size_t, off_t);
#endif
#if !HAVE_HEAPSORT
int heapsort (void *, size_t, size_t, int (*)(const void *, const void *));
#endif
/* Make them use our version */
# define heapsort __nbcompat_heapsort
#if !HAVE_PWCACHE_USERDB
int uid_from_user(const char *, uid_t *);
int pwcache_userdb(int (*)(int), void (*)(void),
struct passwd * (*)(const char *), struct passwd * (*)(uid_t));
int gid_from_group(const char *, gid_t *);
int pwcache_groupdb(int (*)(int), void (*)(void),
struct group * (*)(const char *), struct group * (*)(gid_t));
#endif
/* Make them use our version */
# define user_from_uid __nbcompat_user_from_uid
/* Make them use our version */
# define group_from_gid __nbcompat_group_from_gid
#if !HAVE_PWRITE
ssize_t pwrite(int, const void *, size_t, off_t);
#endif
#if !HAVE_SETENV
int setenv(const char *, const char *, int);
#endif
#if !HAVE_DECL_SETGROUPENT
int setgroupent(int);
#endif
#if !HAVE_DECL_SETPASSENT
int setpassent(int);
#endif
#if !HAVE_SETPROGNAME || defined(__NetBSD__)
const char *getprogname(void);
void setprogname(const char *);
#endif
#if !HAVE_SNPRINTF
int snprintf(char *, size_t, const char *, ...);
#endif
#if !HAVE_STRLCAT
size_t strlcat(char *, const char *, size_t);
#endif
#if !HAVE_STRLCPY
size_t strlcpy(char *, const char *, size_t);
#endif
#if !HAVE_STRSEP || defined(__NetBSD__)
char *strsep(char **, const char *);
#endif
#if !HAVE_DECL_STRSUFTOLL
long long strsuftoll(const char *, const char *, long long, long long);
long long strsuftollx(const char *, const char *,
long long, long long, char *, size_t);
#endif
#if !HAVE_STRTOLL
long long strtoll(const char *, char **, int);
#endif
#if !HAVE_USER_FROM_UID
const char *user_from_uid(uid_t, int);
#endif
#if !HAVE_GROUP_FROM_GID
const char *group_from_gid(gid_t, int);
#endif
#if !HAVE_VASPRINTF
int vasprintf(char **, const char *, va_list);
#endif
#if !HAVE_VASNPRINTF
int vasnprintf(char **, size_t, const char *, va_list);
#endif
#if !HAVE_VSNPRINTF
int vsnprintf(char *, size_t, const char *, va_list);
#endif
/*
* getmode() and setmode() are always defined, as these function names
* exist but with very different meanings on other OS's. The compat
* versions here simply accept an octal mode number; the "u+x,g-w" type
* of syntax is not accepted.
*/
#define getmode __nbcompat_getmode
#define setmode __nbcompat_setmode
mode_t getmode(const void *, mode_t);
void *setmode(const char *);
/* Eliminate assertions embedded in binaries. */
#undef _DIAGASSERT
#define _DIAGASSERT(x)
/* Various sources use this */
#undef __RCSID
#define __RCSID(x)
#undef __SCCSID
#define __SCCSID(x)
#undef __COPYRIGHT
#define __COPYRIGHT(x)
#undef __KERNEL_RCSID
#define __KERNEL_RCSID(x,y)
/* Heimdal expects this one. */
#undef RCSID
#define RCSID(x)
/* Some definitions not available on all systems. */
/* <errno.h> */
#ifndef EFTYPE
#define EFTYPE EIO
#endif
/* <fcntl.h> */
#ifndef O_EXLOCK
#define O_EXLOCK 0
#endif
#ifndef O_SHLOCK
#define O_SHLOCK 0
#endif
/* <limits.h> */
#ifndef UID_MAX
#define UID_MAX 32767
#endif
#ifndef GID_MAX
#define GID_MAX UID_MAX
#endif
#ifndef UQUAD_MAX
#define UQUAD_MAX ((u_quad_t)-1)
#endif
#ifndef QUAD_MAX
#define QUAD_MAX ((quad_t)(UQUAD_MAX >> 1))
#endif
#ifndef QUAD_MIN
#define QUAD_MIN ((quad_t)(~QUAD_MAX))
#endif
#ifndef ULLONG_MAX
#define ULLONG_MAX ((unsigned long long)-1)
#endif
#ifndef LLONG_MAX
#define LLONG_MAX ((long long)(ULLONG_MAX >> 1))
#endif
#ifndef LLONG_MIN
#define LLONG_MIN ((long long)(~LLONG_MAX))
#endif
/* <paths.h> */
#ifndef _PATH_BSHELL
#define _PATH_BSHELL PATH_BSHELL
#endif
#ifndef _PATH_DEFPATH
#define _PATH_DEFPATH "/usr/bin:/bin:/usr/local/bin"
#endif
#ifndef _PATH_DEV
#define _PATH_DEV "/dev/"
#endif
#ifndef _PATH_DEVNULL
#define _PATH_DEVNULL _PATH_DEV "null"
#endif
#ifndef _PATH_TMP
#define _PATH_TMP "/tmp/"
#endif
#ifndef _PATH_DEFTAPE
#define _PATH_DEFTAPE "/dev/nrst0"
#endif
#ifndef _PATH_VI
#define _PATH_VI "/usr/bin/vi"
#endif
/* <stdarg.h> */
#ifndef _BSD_VA_LIST_
#define _BSD_VA_LIST_ va_list
#endif
/* <stdint.h> */
#if !defined(SIZE_MAX) && defined(SIZE_T_MAX)
#define SIZE_MAX SIZE_T_MAX
#endif
#ifndef UINT8_MAX
#define UINT8_MAX 0xffU
#endif
#ifndef UINT16_MAX
#define UINT16_MAX 0xffffU
#endif
#ifndef UINT32_MAX
#define UINT32_MAX 0xffffffffU
#endif
/* <stdlib.h> */
#ifndef __GNUC__
# if HAVE_ALLOCA_H
# include <alloca.h>
# else
# ifndef alloca /* predefined by HP cc +Olibcalls */
char *alloca ();
# endif
# endif
#endif
/* avoid prototype conflicts with host */
#define cgetcap __nbcompat_cgetcap
#define cgetclose __nbcompat_cgetclose
#define cgetent __nbcompat_cgetent
#define cgetfirst __nbcompat_cgetfirst
#define cgetmatch __nbcompat_cgetmatch
#define cgetnext __nbcompat_cgetnext
#define cgetnum __nbcompat_cgetnum
#define cgetset __nbcompat_cgetset
#define cgetstr __nbcompat_cgetstr
#define cgetustr __nbcompat_cgetustr
char *cgetcap(char *, const char *, int);
int cgetclose(void);
int cgetent(char **, const char * const *, const char *);
int cgetfirst(char **, const char * const *);
int cgetmatch(const char *, const char *);
int cgetnext(char **, const char * const *);
int cgetnum(char *, const char *, long *);
int cgetset(const char *);
int cgetstr(char *, const char *, char **);
int cgetustr(char *, const char *, char **);
/* <sys/endian.h> */
#if WORDS_BIGENDIAN
#if !HAVE_DECL_HTOBE16
#define htobe16(x) (x)
#endif
#if !HAVE_DECL_HTOBE32
#define htobe32(x) (x)
#endif
#if !HAVE_DECL_HTOBE64
#define htobe64(x) (x)
#endif
#if !HAVE_DECL_HTOLE16
#define htole16(x) bswap16((u_int16_t)(x))
#endif
#if !HAVE_DECL_HTOLE32
#define htole32(x) bswap32((u_int32_t)(x))
#endif
#if !HAVE_DECL_HTOLE64
#define htole64(x) bswap64((u_int64_t)(x))
#endif
#else
#if !HAVE_DECL_HTOBE16
#define htobe16(x) bswap16((u_int16_t)(x))
#endif
#if !HAVE_DECL_HTOBE32
#define htobe32(x) bswap32((u_int32_t)(x))
#endif
#if !HAVE_DECL_HTOBE64
#define htobe64(x) bswap64((u_int64_t)(x))
#endif
#if !HAVE_DECL_HTOLE16
#define htole16(x) (x)
#endif
#if !HAVE_DECL_HTOLE32
#define htole32(x) (x)
#endif
#if !HAVE_DECL_HTOLE64
#define htole64(x) (x)
#endif
#endif
#if !HAVE_DECL_BE16TOH
#define be16toh(x) htobe16(x)
#endif
#if !HAVE_DECL_BE32TOH
#define be32toh(x) htobe32(x)
#endif
#if !HAVE_DECL_BE64TOH
#define be64toh(x) htobe64(x)
#endif
#if !HAVE_DECL_LE16TOH
#define le16toh(x) htole16(x)
#endif
#if !HAVE_DECL_LE32TOH
#define le32toh(x) htole32(x)
#endif
#if !HAVE_DECL_LE64TOH
#define le64toh(x) htole64(x)
#endif
/* <sys/mman.h> */
#ifndef MAP_FILE
#define MAP_FILE 0
#endif
/* HP-UX has MAP_ANONYMOUS but not MAP_ANON */
#ifndef MAP_ANON
#ifdef MAP_ANONYMOUS
#define MAP_ANON MAP_ANONYMOUS
#endif
#endif
/* <sys/param.h> */
#undef BIG_ENDIAN
#undef LITTLE_ENDIAN
#define BIG_ENDIAN 4321
#define LITTLE_ENDIAN 1234
#undef BYTE_ORDER
#if WORDS_BIGENDIAN
#define BYTE_ORDER BIG_ENDIAN
#else
#define BYTE_ORDER LITTLE_ENDIAN
#endif
#ifndef DEV_BSIZE
#define DEV_BSIZE (1 << 9)
#endif
#undef MIN
#undef MAX
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#define MAX(a,b) ((a) > (b) ? (a) : (b))
#ifndef MAXBSIZE
#define MAXBSIZE (64 * 1024)
#endif
#ifndef MAXFRAG
#define MAXFRAG 8
#endif
#ifndef MAXPHYS
#define MAXPHYS (64 * 1024)
#endif
/* XXX needed by makefs; this should be done in a better way */
#undef btodb
#define btodb(x) ((x) << 9)
#undef setbit
#undef clrbit
#undef isset
#undef isclr
#define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
#define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
#define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
#define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
#ifndef powerof2
#define powerof2(x) ((((x)-1)&(x))==0)
#endif
#undef roundup
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
/* <sys/stat.h> */
#ifndef ALLPERMS
#define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
#endif
#ifndef DEFFILEMODE
#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
#endif
#ifndef S_ISTXT
#ifdef S_ISVTX
#define S_ISTXT S_ISVTX
#else
#define S_ISTXT 0
#endif
#endif
/* Protected by _NETBSD_SOURCE otherwise. */
#if HAVE_STRUCT_STAT_ST_FLAGS && defined(__NetBSD__)
#define UF_SETTABLE 0x0000ffff
#define UF_NODUMP 0x00000001
#define UF_IMMUTABLE 0x00000002
#define UF_APPEND 0x00000004
#define UF_OPAQUE 0x00000008
#define SF_SETTABLE 0xffff0000
#define SF_ARCHIVED 0x00010000
#define SF_IMMUTABLE 0x00020000
#define SF_APPEND 0x00040000
#endif
/* <sys/syslimits.h> */
#ifndef LINE_MAX
#define LINE_MAX 2048
#endif
/* <sys/time.h> */
#ifndef timercmp
#define timercmp(tvp, uvp, cmp) \
(((tvp)->tv_sec == (uvp)->tv_sec) ? \
((tvp)->tv_usec cmp (uvp)->tv_usec) : \
((tvp)->tv_sec cmp (uvp)->tv_sec))
#endif
#ifndef timeradd
#define timeradd(tvp, uvp, vvp) \
do { \
(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \
(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \
if ((vvp)->tv_usec >= 1000000) { \
(vvp)->tv_sec++; \
(vvp)->tv_usec -= 1000000; \
} \
} while (/* CONSTCOND */ 0)
#endif
#ifndef timersub
#define timersub(tvp, uvp, vvp) \
do { \
(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \
if ((vvp)->tv_usec < 0) { \
(vvp)->tv_sec--; \
(vvp)->tv_usec += 1000000; \
} \
} while (/* CONSTCOND */ 0)
#endif
/* <sys/types.h> */
#ifdef major
#undef major
#endif
#define major(x) ((int32_t)((((x) & 0x000fff00) >> 8)))
#ifdef minor
#undef minor
#endif
#define minor(x) ((int32_t)((((x) & 0xfff00000) >> 12) | \
(((x) & 0x000000ff) >> 0)))
#ifdef makedev
#undef makedev
#endif
#define makedev(x,y) ((dev_t)((((x) << 8) & 0x000fff00) | \
(((y) << 12) & 0xfff00000) | \
(((y) << 0) & 0x000000ff)))
#ifndef NBBY
#define NBBY 8
#endif
#if !HAVE_U_QUAD_T
/* #define, not typedef, as quad_t exists as a struct on some systems */
#define quad_t long long
#define u_quad_t unsigned long long
#define strtoq strtoll
#define strtouq strtoull
#endif
/* Has quad_t but these prototypes don't get pulled into scope. w/o we lose */
#ifdef __NetBSD__
quad_t strtoq __P((const char *, char **, int));
u_quad_t strtouq __P((const char *, char **, int));
#endif
#endif /* !__NETBSD_COMPAT_DEFS_H__ */
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