openssh/openbsd-compat/bsd-misc.h
Darren Tucker 58fd4c5c01 Check for and work around buggy fflush(NULL).
Some really old platforms (eg SunOS4) segfault on fflush(NULL) so check
for and work around.  With klausz at haus-gisela.de.
2018-03-05 19:28:08 +11:00

161 lines
3.6 KiB
C

/*
* Copyright (c) 1999-2004 Damien Miller <djm@mindrot.org>
*
* 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 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 _BSD_MISC_H
#define _BSD_MISC_H
#include "includes.h"
char *ssh_get_progname(char *);
#ifndef HAVE_SETSID
#define setsid() setpgrp(0, getpid())
#endif /* !HAVE_SETSID */
#ifndef HAVE_SETENV
int setenv(const char *, const char *, int);
#endif /* !HAVE_SETENV */
#ifndef HAVE_SETLOGIN
int setlogin(const char *);
#endif /* !HAVE_SETLOGIN */
#ifndef HAVE_INNETGR
int innetgr(const char *, const char *, const char *, const char *);
#endif /* HAVE_INNETGR */
#if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
int seteuid(uid_t);
#endif /* !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) */
#if !defined(HAVE_SETEGID) && defined(HAVE_SETRESGID)
int setegid(uid_t);
#endif /* !defined(HAVE_SETEGID) && defined(HAVE_SETRESGID) */
#if !defined(HAVE_STRERROR) && defined(HAVE_SYS_ERRLIST) && defined(HAVE_SYS_NERR)
const char *strerror(int);
#endif
#if !defined(HAVE_SETLINEBUF)
#define setlinebuf(a) (setvbuf((a), NULL, _IOLBF, 0))
#endif
#ifndef HAVE_UTIMES
#ifndef HAVE_STRUCT_TIMEVAL
struct timeval {
long tv_sec;
long tv_usec;
}
#endif /* HAVE_STRUCT_TIMEVAL */
int utimes(char *, struct timeval *);
#endif /* HAVE_UTIMES */
#ifndef HAVE_TRUNCATE
int truncate (const char *, off_t);
#endif /* HAVE_TRUNCATE */
#if !defined(HAVE_NANOSLEEP) && !defined(HAVE_NSLEEP)
#ifndef HAVE_STRUCT_TIMESPEC
struct timespec {
time_t tv_sec;
long tv_nsec;
};
#endif
int nanosleep(const struct timespec *, struct timespec *);
#endif
#ifndef HAVE_USLEEP
int usleep(unsigned int useconds);
#endif
#ifndef HAVE_TCGETPGRP
pid_t tcgetpgrp(int);
#endif
#ifndef HAVE_TCSENDBREAK
int tcsendbreak(int, int);
#endif
#ifndef HAVE_UNSETENV
int unsetenv(const char *);
#endif
#ifndef HAVE_ISBLANK
int isblank(int);
#endif
#ifndef HAVE_GETPGID
pid_t getpgid(pid_t);
#endif
#ifndef HAVE_ENDGRENT
# define endgrent() do { } while(0)
#endif
#ifndef HAVE_KRB5_GET_ERROR_MESSAGE
# define krb5_get_error_message krb5_get_err_text
#endif
#ifndef HAVE_KRB5_FREE_ERROR_MESSAGE
# define krb5_free_error_message(a,b) do { } while(0)
#endif
#ifndef HAVE_PLEDGE
int pledge(const char *promises, const char *paths[]);
#endif
/* bsd-err.h */
#ifndef HAVE_ERR
void err(int, const char *, ...) __attribute__((format(printf, 2, 3)));
#endif
#ifndef HAVE_ERRX
void errx(int, const char *, ...) __attribute__((format(printf, 2, 3)));
#endif
#ifndef HAVE_WARN
void warn(const char *, ...) __attribute__((format(printf, 1, 2)));
#endif
#ifndef HAVE_LLABS
long long llabs(long long);
#endif
#if defined(HAVE_DECL_BZERO) && HAVE_DECL_BZERO == 0
void bzero(void *, size_t);
#endif
#ifndef HAVE_RAISE
int raise(int);
#endif
#ifndef HAVE_GETSID
pid_t getsid(pid_t);
#endif
#ifndef HAVE_FLOCK
# define LOCK_SH 0x01
# define LOCK_EX 0x02
# define LOCK_NB 0x04
# define LOCK_UN 0x08
int flock(int, int);
#endif
#ifdef FFLUSH_NULL_BUG
# define fflush(x) (_ssh_compat_fflush(x))
#endif
#endif /* _BSD_MISC_H */