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/* $Id: compat.h,v 1.31 2010/11/11 20:45:49 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef COMPAT_H
#define COMPAT_H
#ifndef __GNUC__
#define __attribute__(a)
#endif
#ifndef __dead
#define __dead __attribute__ ((__noreturn__))
#endif
#ifndef __packed
#define __packed __attribute__ ((__packed__))
#endif
#ifndef HAVE_U_INT
typedef uint8_t u_int8_t;
typedef uint16_t u_int16_t;
typedef uint32_t u_int32_t;
typedef uint64_t u_int64_t;
#endif
#ifndef HAVE_PATHS_H
#define _PATH_BSHELL "/bin/sh"
#define _PATH_TMP "/tmp/"
#define _PATH_DEVNULL "/dev/null"
#define _PATH_TTY "/dev/tty"
#define _PATH_DEV "/dev/"
#endif
#ifdef HAVE_QUEUE_H
#include <sys/queue.h>
#else
#include "compat/queue.h"
#endif
#ifdef HAVE_TREE_H
#include <sys/tree.h>
#else
#include "compat/tree.h"
#endif
#ifdef HAVE_BITSTRING_H
#include <bitstring.h>
#else
#include "compat/bitstring.h"
#endif
#ifdef HAVE_PATHS_H
#include <paths.h>
#endif
#ifdef HAVE_FORKPTY
#ifdef HAVE_LIBUTIL_H
#include <libutil.h>
#endif
#ifdef HAVE_PTY_H
#include <pty.h>
#endif
#ifdef HAVE_UTIL_H
#include <util.h>
#endif
#endif
#ifdef HAVE_VIS
#include <vis.h>
#else
#include "compat/vis.h"
#endif
#ifdef HAVE_IMSG
#include <imsg.h>
#else
#include "compat/imsg.h"
#endif
#ifdef HAVE_STDINT_H
#include <stdint.h>
#else
#include <inttypes.h>
#endif
#ifdef HAVE_BROKEN_CMSG_FIRSTHDR
/* CMSG_FIRSTHDR broken on OS X. */
#undef CMSG_FIRSTHDR
#define CMSG_FIRSTHDR(mhdr) \
((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
(struct cmsghdr *)(mhdr)->msg_control : \
(struct cmsghdr *)NULL)
#endif
/* CMSG_ALIGN, CMSG_SPACE, CMSG_LEN missing from Solaris 9. */
#ifndef CMSG_ALIGN
#ifdef __sun
#define CMSG_ALIGN _CMSG_DATA_ALIGN
#else
#define CMSG_ALIGN(len) (((len) + sizeof(long) - 1) & ~(sizeof(long) - 1))
#endif
#endif
#ifndef CMSG_SPACE
#define CMSG_SPACE(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(len))
#endif
#ifndef CMSG_LEN
#define CMSG_LEN(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
#endif
#ifndef INFTIM
#define INFTIM -1
#endif
#ifndef WAIT_ANY
#define WAIT_ANY -1
#endif
#ifndef SUN_LEN
#define SUN_LEN(sun) (sizeof (sun)->sun_path)
#endif
#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 (0)
#endif
#ifndef TTY_NAME_MAX
#define TTY_NAME_MAX 32
#endif
#ifndef HAVE_BZERO
#undef bzero
#define bzero(buf, len) memset(buf, 0, len);
#endif
#ifndef HAVE_CLOSEFROM
/* closefrom.c */
#define HAVE_FCNTL_H
#define HAVE_DIRENT_H
#define HAVE_SYSCONF
void closefrom(int);
#endif
#ifndef HAVE_STRCASESTR
/* strcasestr.c */
char *strcasestr(const char *, const char *);
#endif
#ifndef HAVE_STRSEP
/* strsep.c */
char *strsep(char **, const char *);
#endif
#ifndef HAVE_STRTONUM
/* strtonum.c */
long long strtonum(const char *, long long, long long, const char **);
#endif
#ifndef HAVE_STRLCPY
/* strlcpy.c */
size_t strlcpy(char *, const char *, size_t);
#endif
#ifndef HAVE_STRLCAT
/* strlcat.c */
size_t strlcat(char *, const char *, size_t);
#endif
#ifndef HAVE_DAEMON
/* daemon.c */
int daemon(int, int);
#endif
#ifndef HAVE_FORKPTY
/* forkpty.c */
#include <sys/ioctl.h>
pid_t forkpty(int *, char *, struct termios *, struct winsize *);
#endif
#ifndef HAVE_ASPRINTF
/* asprintf.c */
int asprintf(char **, const char *, ...);
int vasprintf(char **, const char *, va_list);
#endif
#ifndef HAVE_FGETLN
/* fgetln.c */
char *fgetln(FILE *, size_t *);
#endif
#ifndef HAVE_SETENV
/* setenv.c */
int setenv(const char *, const char *, int);
int unsetenv(const char *);
#endif
#ifdef HAVE_GETOPT
#include <getopt.h>
#else
/* getopt.c */
extern int BSDopterr;
extern int BSDoptind;
extern int BSDoptopt;
extern int BSDoptreset;
extern char *BSDoptarg;
int BSDgetopt(int, char *const *, const char *);
#define getopt(ac, av, o) BSDgetopt(ac, av, o)
#define opterr BSDopterr
#define optind BSDoptind
#define optopt BSDoptopt
#define optreset BSDoptreset
#define optarg BSDoptarg
#endif
#endif /* COMPAT_H */
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