1/* -*- c-basic-offset: 8; -*- */
2/* Our own header, to be included *after* all standard system headers */
3
4#ifndef	__ourhdr_h
5#define	__ourhdr_h
6
7#include	<sys/types.h>	/* required for some of our prototypes */
8#include	<stdio.h>		/* for convenience */
9#include	<stdlib.h>		/* for convenience */
10#include	<string.h>		/* for convenience */
11#include	<unistd.h>		/* for convenience */
12
13#ifdef	notdef	/* delete for systems that don't define this (SunOS 4.x) */
14typedef	int	ssize_t;
15#endif
16
17#ifdef	notdef	/* delete if <stdlib.h> doesn't define these for getopt() */
18extern char	*optarg;
19extern int	optind, opterr, optopt;
20#endif
21
22#ifdef	notdef	/* delete if send() not supported (DEC OSF/1) */
23#define	send(a,b,c,d)	sendto((a), (b), (c), (d), (struct sockaddr *) NULL, 0)
24#endif
25
26#define	MAXLINE	4096			/* max line length */
27
28#define	FILE_MODE	(S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)
29					/* default file access permissions for new files */
30#define	DIR_MODE	(FILE_MODE | S_IXUSR | S_IXGRP | S_IXOTH)
31					/* default permissions for new directories */
32
33typedef	void	Sigfunc(int);	/* for signal handlers */
34
35					/* 4.3BSD Reno <signal.h> doesn't define SIG_ERR */
36#if	defined(SIG_IGN) && !defined(SIG_ERR)
37#define	SIG_ERR	((Sigfunc *)-1)
38#endif
39
40#define	min(a,b)	((a) < (b) ? (a) : (b))
41#define	max(a,b)	((a) > (b) ? (a) : (b))
42
43					/* prototypes for our own functions */
44char   *path_alloc(int *);			/* {Prog pathalloc} */
45int		 open_max(void);			/* {Prog openmax} */
46void	clr_fl(int, int);			/* {Prog setfl} */
47void	set_fl(int, int);			/* {Prog setfl} */
48void	pr_exit(int);				/* {Prog prexit} */
49void	pr_mask(const char *);		/* {Prog prmask} */
50Sigfunc	*signal_intr(int, Sigfunc *);/* {Prog signal_intr_function} */
51
52int	tty_cbreak(int);			/* {Prog raw} */
53int	tty_raw(int);				/* {Prog raw} */
54int	tty_reset(int);			/* {Prog raw} */
55void	tty_atexit(void);			/* {Prog raw} */
56#ifdef	ECHO	/* only if <termios.h> has been included */
57struct termios	*tty_termios(void);	/* {Prog raw} */
58#endif
59
60void	sleep_us(unsigned int);	/* {Ex sleepus} */
61ssize_t	readn(int, void *, size_t);/* {Prog readn} */
62ssize_t	writen(int, const void *, size_t);/* {Prog writen} */
63int	daemon_init(void);			/* {Prog daemoninit} */
64
65int	s_pipe(int *);				/* {Progs svr4_spipe bsd_spipe} */
66int	recv_fd(int, ssize_t (*func)(int, const void *, size_t));
67									/* {Progs recvfd_svr4 recvfd_43bsd} */
68int	send_fd(int, int);			/* {Progs sendfd_svr4 sendfd_43bsd} */
69int	send_err(int, int, const char *);/* {Prog senderr} */
70int	serv_listen(const char *);	/* {Progs servlisten_svr4 servlisten_44bsd} */
71int	serv_accept(int, uid_t *);	/* {Progs servaccept_svr4 servaccept_44bsd} */
72int	cli_conn(const char *);	/* {Progs cliconn_svr4 cliconn_44bsd} */
73int	buf_args(char *, int (*func)(int, char **));
74									/* {Prog bufargs} */
75
76int	ptym_open(char *);			/* {Progs ptyopen_svr4 ptyopen_44bsd} */
77int	ptys_open(int, char *);	/* {Progs ptyopen_svr4 ptyopen_44bsd} */
78#ifdef	TIOCGWINSZ
79pid_t	pty_fork(int *, char *, const struct termios *,
80		  const struct winsize *);	/* {Prog ptyfork} */
81#endif
82
83int	lock_reg(int, int, int, off_t, int, off_t);
84									/* {Prog lockreg} */
85#define	read_lock(fd, offset, whence, len) \
86			lock_reg(fd, F_SETLK, F_RDLCK, offset, whence, len)
87#define	readw_lock(fd, offset, whence, len) \
88			lock_reg(fd, F_SETLKW, F_RDLCK, offset, whence, len)
89#define	write_lock(fd, offset, whence, len) \
90			lock_reg(fd, F_SETLK, F_WRLCK, offset, whence, len)
91#define	writew_lock(fd, offset, whence, len) \
92			lock_reg(fd, F_SETLKW, F_WRLCK, offset, whence, len)
93#define	un_lock(fd, offset, whence, len) \
94			lock_reg(fd, F_SETLK, F_UNLCK, offset, whence, len)
95
96pid_t	lock_test(int, int, off_t, int, off_t);
97									/* {Prog locktest} */
98
99#define	is_readlock(fd, offset, whence, len) \
100			lock_test(fd, F_RDLCK, offset, whence, len)
101#define	is_writelock(fd, offset, whence, len) \
102			lock_test(fd, F_WRLCK, offset, whence, len)
103
104void	err_dump(const char *, ...);	/* {App misc_source} */
105void	err_msg(const char *, ...);
106void	err_quit(const char *, ...);
107void	err_ret(const char *, ...);
108void	err_sys(const char *, ...);
109
110void	log_msg(const char *, ...);		/* {App misc_source} */
111void	log_open(const char *, int, int);
112void	log_quit(const char *, ...);
113void	log_ret(const char *, ...);
114void	log_sys(const char *, ...);
115
116void	TELL_WAIT(void);		/* parent/child from {Sec race_conditions} */
117void	TELL_PARENT(pid_t);
118void	TELL_CHILD(pid_t);
119void	WAIT_PARENT(void);
120void	WAIT_CHILD(void);
121
122#endif	/* __ourhdr_h */
123