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