604 lines
12 KiB
C
604 lines
12 KiB
C
/* $NetBSD: compat_defs.h,v 1.28 2003/07/18 13:45:15 fredb Exp $ */
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#ifndef __NETBSD_COMPAT_DEFS_H__
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#define __NETBSD_COMPAT_DEFS_H__
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/* Work around some complete brain damage. */
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/*
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* Linux: <features.h> turns on _POSIX_SOURCE by default, even though the
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* program (not the OS) should do that. Preload <features.h> to keep any
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* of this crap from being pulled in, and undefine _POSIX_SOURCE.
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*/
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#if defined(__linux__) && HAVE_FEATURES_H
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#include <features.h>
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#endif
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#undef _POSIX_SOURCE
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#undef _POSIX_C_SOURCE
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/* System headers needed for (re)definitions below. */
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <grp.h>
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#include <limits.h>
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#include <paths.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#if HAVE_SYS_CDEFS_H
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#include <sys/cdefs.h>
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#endif
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#if HAVE_SYS_SYSLIMITS_H
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#include <sys/syslimits.h>
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#endif
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#if HAVE_SYS_SYSMACROS_H
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/* major(), minor() on SVR4 */
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#include <sys/sysmacros.h>
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#endif
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#if HAVE_INTTYPES_H
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#include <inttypes.h>
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#endif
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#if HAVE_STDDEF_H
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#include <stddef.h>
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#endif
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/* We don't include <pwd.h> here, so that "compat_pwd.h" works. */
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struct passwd;
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/* Assume an ANSI compiler for the host. */
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#undef __P
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#define __P(x) x
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#ifndef __BEGIN_DECLS
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#define __BEGIN_DECLS
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#endif
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#ifndef __END_DECLS
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#define __END_DECLS
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#endif
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/* Some things usually in BSD <sys/cdefs.h>. */
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#ifndef __CONCAT
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#define __CONCAT(x,y) x ## y
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#endif
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#if !defined(__attribute__) && !defined(__GNUC__)
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#define __attribute__(x)
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#endif
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#ifndef __RENAME
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#define __RENAME(x)
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#endif
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#undef __aconst
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#define __aconst
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#undef __dead
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#define __dead
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#undef __restrict
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#define __restrict
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/* Dirent support. */
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#if HAVE_DIRENT_H
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# include <dirent.h>
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# define NAMLEN(dirent) (strlen((dirent)->d_name))
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#else
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# define dirent direct
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# define NAMLEN(dirent) ((dirent)->d_namlen)
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# if HAVE_SYS_NDIR_H
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# include <sys/ndir.h>
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# endif
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# if HAVE_SYS_DIR_H
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# include <sys/dir.h>
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# endif
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# if HAVE_NDIR_H
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# include <ndir.h>
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# endif
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#endif
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/* Type substitutes. */
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#if !HAVE_ID_T
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typedef unsigned long id_t;
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#endif
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#if !HAVE_SOCKLEN_T
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typedef int socklen_t;
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#endif
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#if !HAVE_U_LONG
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typedef unsigned long u_long;
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#endif
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/* Prototypes for replacement functions. */
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#if !HAVE_ATOLL
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long long int atoll(const char *);
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#endif
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#if !HAVE_ASPRINTF
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int asprintf(char **, const char *, ...);
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#endif
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#if !HAVE_ASNPRINTF
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int asnprintf(char **, size_t, const char *, ...);
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#endif
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#if !HAVE_BASENAME
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char *basename(char *);
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#endif
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#if !HAVE_DECL_OPTIND
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int getopt(int, char *const *, const char *);
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extern char *optarg;
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extern int optind, opterr, optopt;
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#endif
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#if !HAVE_DIRNAME
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char *dirname(char *);
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#endif
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#if !HAVE_DIRFD
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#if HAVE_DIR_DD_FD
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#define dirfd(dirp) ((dirp)->dd_fd)
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#else
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#error cannot figure out how to turn a DIR * into a fd
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#endif
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#endif
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#if !HAVE_ERR_H
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void err(int, const char *, ...);
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void errx(int, const char *, ...);
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void warn(const char *, ...);
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void warnx(const char *, ...);
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#endif
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#if !HAVE_FGETLN
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char *fgetln(FILE *, size_t *);
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#endif
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#if !HAVE_FLOCK
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# define LOCK_SH 0x01
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# define LOCK_EX 0x02
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# define LOCK_NB 0x04
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# define LOCK_UN 0x08
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int flock(int, int);
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#endif
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#if !HAVE_FPARSELN
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# define FPARSELN_UNESCESC 0x01
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# define FPARSELN_UNESCCONT 0x02
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# define FPARSELN_UNESCCOMM 0x04
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# define FPARSELN_UNESCREST 0x08
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# define FPARSELN_UNESCALL 0x0f
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char *fparseln(FILE *, size_t *, size_t *, const char [3], int);
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#endif
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#if !HAVE_ISSETUGID
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int issetugid(void);
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#endif
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#if !HAVE_ISBLANK && !defined(isblank)
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#define isblank(x) ((x) == ' ' || (x) == '\t')
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#endif
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#if !HAVE_LCHFLAGS
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int lchflags(const char *, u_long);
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#endif
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#if !HAVE_LCHMOD
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int lchmod(const char *, mode_t);
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#endif
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#if !HAVE_LCHOWN
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int lchown(const char *, uid_t, gid_t);
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#endif
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#if !HAVE_MACHINE_BSWAP_H
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#define bswap16(x) ((((x) << 8) & 0xff00) | (((x) >> 8) & 0x00ff))
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#define bswap32(x) ((((x) << 24) & 0xff000000) | \
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(((x) << 8) & 0x00ff0000) | \
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(((x) >> 8) & 0x0000ff00) | \
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(((x) >> 24) & 0x000000ff))
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#define bswap64(x) (((u_int64_t)bswap32((x)) << 32) | \
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((u_int64_t)bswap32((x) >> 32)))
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#endif
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#if !HAVE_MKSTEMP
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int mkstemp(char *);
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#endif
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#if !HAVE_MKDTEMP
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char *mkdtemp(char *);
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#endif
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#if !HAVE_MKSTEMP || !HAVE_MKDTEMP
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/* This is a prototype for the internal function. */
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int gettemp(char *, int *, int);
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#endif
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#if !HAVE_PREAD
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ssize_t pread(int, void *, size_t, off_t);
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#endif
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#if !HAVE_PWCACHE_USERDB
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int uid_from_user(const char *, uid_t *);
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int pwcache_userdb(int (*)(int), void (*)(void),
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struct passwd * (*)(const char *), struct passwd * (*)(uid_t));
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int gid_from_group(const char *, gid_t *);
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int pwcache_groupdb(int (*)(int), void (*)(void),
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struct group * (*)(const char *), struct group * (*)(gid_t));
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#endif
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#if !HAVE_PWRITE
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ssize_t pwrite(int, const void *, size_t, off_t);
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#endif
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#if !HAVE_SETENV
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int setenv(const char *, const char *, int);
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#endif
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#if !HAVE_DECL_SETGROUPENT
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int setgroupent(int);
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#endif
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#if !HAVE_DECL_SETPASSENT
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int setpassent(int);
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#endif
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#if !HAVE_SETPROGNAME
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const char *getprogname(void);
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void setprogname(const char *);
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#endif
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#if !HAVE_SNPRINTF
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int snprintf(char *, size_t, const char *, ...);
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#endif
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#if !HAVE_STRLCAT
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size_t strlcat(char *, const char *, size_t);
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#endif
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#if !HAVE_STRLCPY
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size_t strlcpy(char *, const char *, size_t);
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#endif
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#if !HAVE_STRSEP
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char *strsep(char **, const char *);
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#endif
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#if !HAVE_STRSUFTOLL
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long long strsuftoll(const char *, const char *, long long, long long);
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long long strsuftollx(const char *, const char *,
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long long, long long, char *, size_t);
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#endif
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#if !HAVE_STRTOLL
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long long strtoll(const char *, char **, int);
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#endif
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#if !HAVE_USER_FROM_UID
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const char *user_from_uid(uid_t, int);
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const char *group_from_gid(gid_t, int);
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#endif
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#if !HAVE_VASPRINTF
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int vasprintf(char **, const char *, va_list);
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#endif
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#if !HAVE_VASNPRINTF
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int vasnprintf(char **, size_t, const char *, va_list);
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#endif
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#if !HAVE_VSNPRINTF
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int vsnprintf(char *, size_t, const char *, va_list);
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#endif
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/*
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* getmode() and setmode() are always defined, as these function names
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* exist but with very different meanings on other OS's. The compat
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* versions here simply accept an octal mode number; the "u+x,g-w" type
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* of syntax is not accepted.
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*/
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#define getmode __nbcompat_getmode
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#define setmode __nbcompat_setmode
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mode_t getmode(const void *, mode_t);
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void *setmode(const char *);
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/* Eliminate assertions embedded in binaries. */
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#undef _DIAGASSERT
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#define _DIAGASSERT(x)
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/* Heimdal expects this one. */
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#undef RCSID
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#define RCSID(x)
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/* pwd_mkdb expects this one. */
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#undef __SCCSID
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#define __SCCSID(x)
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/* Some definitions not available on all systems. */
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/* <errno.h> */
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#ifndef EFTYPE
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#define EFTYPE EIO
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#endif
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/* <fcntl.h> */
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#ifndef O_EXLOCK
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#define O_EXLOCK 0
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#endif
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#ifndef O_SHLOCK
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#define O_SHLOCK 0
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#endif
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/* <limits.h> */
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#ifndef UID_MAX
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#define UID_MAX 32767
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#endif
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#ifndef GID_MAX
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#define GID_MAX UID_MAX
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#endif
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#ifndef UQUAD_MAX
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#define UQUAD_MAX ((u_quad_t)-1)
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#endif
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#ifndef QUAD_MAX
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#define QUAD_MAX ((quad_t)(UQUAD_MAX >> 1))
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#endif
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#ifndef QUAD_MIN
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#define QUAD_MIN ((quad_t)(~QUAD_MAX))
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#endif
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#ifndef ULLONG_MAX
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#define ULLONG_MAX ((unsigned long long)-1)
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#endif
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#ifndef LLONG_MAX
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#define LLONG_MAX ((long long)(ULLONG_MAX >> 1))
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#endif
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#ifndef LLONG_MIN
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#define LLONG_MIN ((long long)(~LLONG_MAX))
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#endif
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/* <paths.h> */
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#ifndef _PATH_BSHELL
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#define _PATH_BSHELL PATH_BSHELL
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#endif
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#ifndef _PATH_DEFPATH
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#define _PATH_DEFPATH "/usr/bin:/bin:/usr/local/bin"
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#endif
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#ifndef _PATH_DEV
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#define _PATH_DEV "/dev/"
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#endif
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#ifndef _PATH_DEVNULL
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#define _PATH_DEVNULL _PATH_DEV "null"
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#endif
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#ifndef _PATH_TMP
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#define _PATH_TMP "/tmp/"
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#endif
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#ifndef _PATH_DEFTAPE
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#define _PATH_DEFTAPE "/dev/nrst0"
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#endif
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/* <stdarg.h> */
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#ifndef _BSD_VA_LIST_
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#define _BSD_VA_LIST_ va_list
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#endif
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/* <stdint.h> */
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#ifndef UINT32_MAX
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#define UINT32_MAX 0xffffffffU
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#endif
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/* <stdlib.h> */
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#ifndef __GNUC__
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# if HAVE_ALLOCA_H
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# include <alloca.h>
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# else
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# ifndef alloca /* predefined by HP cc +Olibcalls */
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char *alloca ();
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# endif
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# endif
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#endif
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/* avoid prototype conflicts with host */
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#define cgetcap __nbcompat_cgetcap
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#define cgetclose __nbcompat_cgetclose
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#define cgetent __nbcompat_cgetent
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#define cgetfirst __nbcompat_cgetfirst
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#define cgetmatch __nbcompat_cgetmatch
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#define cgetnext __nbcompat_cgetnext
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#define cgetnum __nbcompat_cgetnum
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#define cgetset __nbcompat_cgetset
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#define cgetstr __nbcompat_cgetstr
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#define cgetustr __nbcompat_cgetustr
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char *cgetcap(char *, const char *, int);
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int cgetclose(void);
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int cgetent(char **, char **, const char *);
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int cgetfirst(char **, char **);
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int cgetmatch(const char *, const char *);
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int cgetnext(char **, char **);
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int cgetnum(char *, const char *, long *);
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int cgetset(const char *);
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int cgetstr(char *, const char *, char **);
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int cgetustr(char *, const char *, char **);
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/* <sys/endian.h> */
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#ifndef HAVE_SYS_ENDIAN_H
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#if WORDS_BIGENDIAN
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#define htobe16(x) (x)
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#define htobe32(x) (x)
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#define htobe64(x) (x)
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#define htole16(x) bswap16((u_int16_t)(x))
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#define htole32(x) bswap32((u_int32_t)(x))
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#define htole64(x) bswap64((u_int64_t)(x))
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#else
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#define htobe16(x) bswap16((u_int16_t)(x))
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#define htobe32(x) bswap32((u_int32_t)(x))
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#define htobe64(x) bswap64((u_int64_t)(x))
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#define htole16(x) (x)
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#define htole32(x) (x)
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#define htole64(x) (x)
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#endif
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#define be16toh(x) htobe16(x)
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#define be32toh(x) htobe32(x)
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#define be64toh(x) htobe64(x)
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#define le16toh(x) htole16(x)
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#define le32toh(x) htole32(x)
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#define le64toh(x) htole64(x)
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#endif
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/* <sys/mman.h> */
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#ifndef MAP_FILE
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#define MAP_FILE 0
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#endif
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/* HP-UX has MAP_ANONYMOUS but not MAP_ANON */
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#ifndef MAP_ANON
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#ifdef MAP_ANONYMOUS
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#define MAP_ANON MAP_ANONYMOUS
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#endif
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#endif
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/* <sys/param.h> */
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#undef BIG_ENDIAN
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#undef LITTLE_ENDIAN
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#define BIG_ENDIAN 4321
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#define LITTLE_ENDIAN 1234
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#undef BYTE_ORDER
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#if WORDS_BIGENDIAN
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#define BYTE_ORDER BIG_ENDIAN
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#else
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#define BYTE_ORDER LITTLE_ENDIAN
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#endif
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#ifndef DEV_BSIZE
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#define DEV_BSIZE (1 << 9)
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#endif
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#undef MIN
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#undef MAX
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#define MIN(a,b) ((a) < (b) ? (a) : (b))
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#define MAX(a,b) ((a) > (b) ? (a) : (b))
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#ifndef MAXBSIZE
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#define MAXBSIZE (64 * 1024)
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#endif
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#ifndef MAXFRAG
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#define MAXFRAG 8
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#endif
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#ifndef MAXPHYS
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#define MAXPHYS (64 * 1024)
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#endif
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/* XXX needed by makefs; this should be done in a better way */
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#undef btodb
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#define btodb(x) ((x) << 9)
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#undef setbit
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#undef clrbit
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#undef isset
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#undef isclr
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#define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
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#define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
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#define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
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#define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
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#ifndef powerof2
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#define powerof2(x) ((((x)-1)&(x))==0)
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#endif
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#undef roundup
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#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
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/* <sys/stat.h> */
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#ifndef ALLPERMS
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#define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
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#endif
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#ifndef DEFFILEMODE
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#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
|
|
|
|
/* <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> */
|
|
|
|
#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
|
|
|
|
#endif /* !__NETBSD_COMPAT_DEFS_H__ */
|