| /* Copyright (c) 1993-2002 |
| * Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de) |
| * Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de) |
| * Copyright (c) 1987 Oliver Laumann |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2, or (at your option) |
| * any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program (see the file COPYING); if not, write to the |
| * Free Software Foundation, Inc., |
| * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
| * |
| **************************************************************** |
| * $Id$ FAU |
| */ |
| |
| #include <stdio.h> |
| #include <errno.h> |
| |
| #include <sys/param.h> |
| |
| /* In strict ANSI mode, HP-UX machines define __hpux but not hpux */ |
| #if defined(__hpux) && !defined(hpux) |
| # define hpux |
| #endif |
| |
| #if defined(__bsdi__) || defined(__386BSD__) || defined(_CX_UX) || defined(hpux) || defined(_IBMR2) || defined(linux) |
| # include <signal.h> |
| #endif /* __bsdi__ || __386BSD__ || _CX_UX || hpux || _IBMR2 || linux */ |
| |
| #ifdef ISC |
| # ifdef ENAMETOOLONG |
| # undef ENAMETOOLONG |
| # endif |
| # ifdef ENOTEMPTY |
| # undef ENOTEMPTY |
| # endif |
| # include <sys/bsdtypes.h> |
| # include <net/errno.h> |
| #endif |
| |
| #ifdef sun |
| # define getpgrp __getpgrp |
| # define exit __exit |
| #endif |
| #ifdef POSIX |
| # include <unistd.h> |
| # if defined(__STDC__) |
| # include <stdlib.h> |
| # endif /* __STDC__ */ |
| #endif /* POSIX */ |
| #ifdef sun |
| # undef getpgrp |
| # undef exit |
| #endif /* sun */ |
| |
| #ifndef linux /* all done in <errno.h> */ |
| extern int errno; |
| #endif /* linux */ |
| #ifndef HAVE_STRERROR |
| /* No macros, please */ |
| #undef strerror |
| #endif |
| |
| #if !defined(SYSV) && !defined(linux) |
| # ifdef NEWSOS |
| # define strlen ___strlen___ |
| # include <strings.h> |
| # undef strlen |
| # else /* NEWSOS */ |
| # include <strings.h> |
| # endif /* NEWSOS */ |
| #else /* SYSV */ |
| # if defined(SVR4) || defined(NEWSOS) |
| # define strlen ___strlen___ |
| # include <string.h> |
| # undef strlen |
| # if !defined(NEWSOS) && !defined(__hpux) |
| extern size_t strlen(const char *); |
| # endif |
| # else /* SVR4 */ |
| # include <string.h> |
| # endif /* SVR4 */ |
| #endif /* SYSV */ |
| |
| #ifdef USEVARARGS |
| # if defined(__STDC__) |
| # include <stdarg.h> |
| # define VA_LIST(var) va_list var; |
| # define VA_DOTS ... |
| # define VA_DECL |
| # define VA_START(ap, fmt) va_start(ap, fmt) |
| # define VA_ARGS(ap) ap |
| # define VA_END(ap) va_end(ap) |
| # else |
| # include <varargs.h> |
| # define VA_LIST(var) va_list var; |
| # define VA_DOTS va_alist |
| # define VA_DECL va_dcl |
| # define VA_START(ap, fmt) va_start(ap) |
| # define VA_ARGS(ap) ap |
| # define VA_END(ap) va_end(ap) |
| # endif |
| #else |
| # define VA_LIST(var) |
| # define VA_DOTS p1, p2, p3, p4, p5, p6 |
| # define VA_DECL unsigned long VA_DOTS; |
| # define VA_START(ap, fmt) |
| # define VA_ARGS(ap) VA_DOTS |
| # define VA_END(ap) |
| # undef vsnprintf |
| # define vsnprintf xsnprintf |
| #endif |
| |
| #if !defined(sun) && !defined(B43) && !defined(ISC) && !defined(pyr) && !defined(_CX_UX) |
| # include <time.h> |
| #endif |
| #include <sys/time.h> |
| |
| #ifdef M_UNIX /* SCO */ |
| # include <sys/stream.h> |
| # include <sys/ptem.h> |
| # define ftruncate(fd, s) chsize(fd, s) |
| #endif |
| |
| #ifdef SYSV |
| # define index strchr |
| # define rindex strrchr |
| # define bzero(poi,len) memset(poi,0,len) |
| # define bcmp memcmp |
| # define killpg(pgrp,sig) kill( -(pgrp), sig) |
| #endif |
| |
| #ifndef HAVE_GETCWD |
| # define getcwd(b,l) getwd(b) |
| #endif |
| |
| #ifndef USEBCOPY |
| # ifdef USEMEMMOVE |
| # define bcopy(s,d,len) memmove(d,s,len) |
| # else |
| # ifdef USEMEMCPY |
| # define bcopy(s,d,len) memcpy(d,s,len) |
| # else |
| # define NEED_OWN_BCOPY |
| # define bcopy xbcopy |
| # endif |
| # endif |
| #endif |
| |
| #ifdef hpux |
| # define setreuid(ruid, euid) setresuid(ruid, euid, -1) |
| # define setregid(rgid, egid) setresgid(rgid, egid, -1) |
| #endif |
| |
| #if defined(HAVE_SETEUID) || defined(HAVE_SETREUID) |
| # define USE_SETEUID |
| #endif |
| |
| #if !defined(HAVE__EXIT) && !defined(_exit) |
| #define _exit(x) exit(x) |
| #endif |
| |
| #ifndef HAVE_UTIMES |
| # define utimes utime |
| #endif |
| |
| #ifdef BUILTIN_TELNET |
| # include <netinet/in.h> |
| # include <arpa/inet.h> |
| #endif |
| |
| #if defined(USE_LOCALE) && (!defined(HAVE_SETLOCALE) || !defined(HAVE_STRFTIME)) |
| # undef USE_LOCALE |
| #endif |
| |
| /***************************************************************** |
| * terminal handling |
| */ |
| |
| #ifdef POSIX |
| # include <termios.h> |
| # ifdef hpux |
| # include <bsdtty.h> |
| # endif /* hpux */ |
| # ifdef NCCS |
| # define MAXCC NCCS |
| # else |
| # define MAXCC 256 |
| # endif |
| #else /* POSIX */ |
| # ifdef TERMIO |
| # include <termio.h> |
| # ifdef NCC |
| # define MAXCC NCC |
| # else |
| # define MAXCC 256 |
| # endif |
| # ifdef CYTERMIO |
| # include <cytermio.h> |
| # endif |
| # else /* TERMIO */ |
| # include <sgtty.h> |
| # endif /* TERMIO */ |
| #endif /* POSIX */ |
| |
| #ifndef VDISABLE |
| # ifdef _POSIX_VDISABLE |
| # define VDISABLE _POSIX_VDISABLE |
| # else |
| # define VDISABLE 0377 |
| # endif /* _POSIX_VDISABLE */ |
| #endif /* !VDISABLE */ |
| |
| |
| /* on sgi, regardless of the stream head's read mode (RNORM/RMSGN/RMSGD) |
| * TIOCPKT mode causes data loss if our buffer is too small (IOSIZE) |
| * to hold the whole packet at first read(). |
| * (Marc Boucher) |
| * |
| * matthew green: |
| * TIOCPKT is broken on dgux 5.4.1 generic AViiON mc88100 |
| * |
| * Joe Traister: On AIX4, programs like irc won't work if screen |
| * uses TIOCPKT (select fails to return on pty read). |
| */ |
| #if defined(sgi) || defined(DGUX) || defined(_IBMR2) |
| # undef TIOCPKT |
| #endif |
| |
| /* linux ncurses is broken, we have to use our own tputs */ |
| #if defined(linux) && defined(TERMINFO) |
| # define tputs xtputs |
| #endif |
| |
| /* Alexandre Oliva: SVR4 style ptys don't work with osf */ |
| #ifdef __osf__ |
| # undef HAVE_SVR4_PTYS |
| #endif |
| |
| /***************************************************************** |
| * utmp handling |
| */ |
| |
| #ifdef GETUTENT |
| typedef char *slot_t; |
| #else |
| typedef int slot_t; |
| #endif |
| |
| #if defined(UTMPOK) || defined(BUGGYGETLOGIN) |
| # if defined(SVR4) && !defined(DGUX) && !defined(__hpux) && !defined(linux) |
| # include <utmpx.h> |
| # define UTMPFILE UTMPX_FILE |
| # define utmp utmpx |
| # define getutent getutxent |
| # define getutid getutxid |
| # define getutline getutxline |
| # define pututline pututxline |
| # define setutent setutxent |
| # define endutent endutxent |
| # define ut_time ut_xtime |
| # else /* SVR4 */ |
| # include <utmp.h> |
| # endif /* SVR4 */ |
| # ifdef apollo |
| /* |
| * We don't have GETUTENT, so we dig into utmp ourselves. |
| * But we save the permanent filedescriptor and |
| * open utmp just when we need to. |
| * This code supports an unsorted utmp. jw. |
| */ |
| # define UTNOKEEP |
| # endif /* apollo */ |
| |
| # ifndef UTMPFILE |
| # ifdef UTMP_FILE |
| # define UTMPFILE UTMP_FILE |
| # else |
| # ifdef _PATH_UTMP |
| # define UTMPFILE _PATH_UTMP |
| # else |
| # define UTMPFILE "/etc/utmp" |
| # endif /* _PATH_UTMP */ |
| # endif |
| # endif |
| |
| #endif /* UTMPOK || BUGGYGETLOGIN */ |
| |
| #if !defined(UTMPOK) && defined(USRLIMIT) |
| # undef USRLIMIT |
| #endif |
| |
| #ifdef LOGOUTOK |
| # ifndef LOGINDEFAULT |
| # define LOGINDEFAULT 0 |
| # endif |
| #else |
| # ifdef LOGINDEFAULT |
| # undef LOGINDEFAULT |
| # endif |
| # define LOGINDEFAULT 1 |
| #endif |
| |
| |
| /***************************************************************** |
| * file stuff |
| */ |
| |
| #ifndef F_OK |
| #define F_OK 0 |
| #endif |
| #ifndef X_OK |
| #define X_OK 1 |
| #endif |
| #ifndef W_OK |
| #define W_OK 2 |
| #endif |
| #ifndef R_OK |
| #define R_OK 4 |
| #endif |
| |
| #ifndef S_IFIFO |
| #define S_IFIFO 0010000 |
| #endif |
| #ifndef S_IREAD |
| #define S_IREAD 0000400 |
| #endif |
| #ifndef S_IWRITE |
| #define S_IWRITE 0000200 |
| #endif |
| #ifndef S_IEXEC |
| #define S_IEXEC 0000100 |
| #endif |
| |
| #if defined(S_IFIFO) && defined(S_IFMT) && !defined(S_ISFIFO) |
| #define S_ISFIFO(mode) (((mode) & S_IFMT) == S_IFIFO) |
| #endif |
| #if defined(S_IFSOCK) && defined(S_IFMT) && !defined(S_ISSOCK) |
| #define S_ISSOCK(mode) (((mode) & S_IFMT) == S_IFSOCK) |
| #endif |
| #if defined(S_IFCHR) && defined(S_IFMT) && !defined(S_ISCHR) |
| #define S_ISCHR(mode) (((mode) & S_IFMT) == S_IFCHR) |
| #endif |
| #if defined(S_IFDIR) && defined(S_IFMT) && !defined(S_ISDIR) |
| #define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR) |
| #endif |
| #if defined(S_IFLNK) && defined(S_IFMT) && !defined(S_ISLNK) |
| #define S_ISLNK(mode) (((mode) & S_IFMT) == S_IFLNK) |
| #endif |
| |
| /* |
| * SunOS 4.1.3: `man 2V open' has only one line that mentions O_NOBLOCK: |
| * |
| * O_NONBLOCK Same as O_NDELAY above. |
| * |
| * on the very same SunOS 4.1.3, I traced the open system call and found |
| * that an open("/dev/ttyy08", O_RDWR|O_NONBLOCK|O_NOCTTY) was blocked, |
| * whereas open("/dev/ttyy08", O_RDWR|O_NDELAY |O_NOCTTY) went through. |
| * |
| * For this simple reason I now favour O_NDELAY. jw. 4.5.95 |
| */ |
| #if defined(sun) && !defined(SVR4) |
| # undef O_NONBLOCK |
| #endif |
| |
| #if !defined(O_NONBLOCK) && defined(O_NDELAY) |
| # define O_NONBLOCK O_NDELAY |
| #endif |
| |
| #if !defined(FNBLOCK) && defined(FNONBLOCK) |
| # define FNBLOCK FNONBLOCK |
| #endif |
| #if !defined(FNBLOCK) && defined(FNDELAY) |
| # define FNBLOCK FNDELAY |
| #endif |
| #if !defined(FNBLOCK) && defined(O_NONBLOCK) |
| # define FNBLOCK O_NONBLOCK |
| #endif |
| |
| #ifndef POSIX |
| #undef mkfifo |
| #define mkfifo(n,m) mknod(n,S_IFIFO|(m),0) |
| #endif |
| |
| #if !defined(HAVE_LSTAT) && !defined(lstat) |
| # define lstat stat |
| #endif |
| |
| /***************************************************************** |
| * signal handling |
| */ |
| |
| #ifdef SIGVOID |
| # define SIGRETURN |
| # define sigret_t void |
| #else |
| # define SIGRETURN return 0; |
| # define sigret_t int |
| #endif |
| |
| /* Geeeee, reverse it? */ |
| #if defined(SVR4) || (defined(SYSV) && defined(ISC)) || defined(_AIX) || defined(linux) || defined(ultrix) || defined(__386BSD__) || defined(__bsdi__) || defined(POSIX) || defined(NeXT) |
| # define SIGHASARG |
| #endif |
| |
| #ifdef SIGHASARG |
| # define SIGPROTOARG (int) |
| # define SIGDEFARG (sigsig) int sigsig; |
| # define SIGARG 0 |
| #else |
| # define SIGPROTOARG (void) |
| # define SIGDEFARG () |
| # define SIGARG |
| #endif |
| |
| #ifndef SIGCHLD |
| #define SIGCHLD SIGCLD |
| #endif |
| |
| #if defined(POSIX) || defined(hpux) |
| # define signal xsignal |
| #else |
| # ifdef USESIGSET |
| # define signal sigset |
| # endif /* USESIGSET */ |
| #endif |
| |
| /* used in screen.c and attacher.c */ |
| #ifndef NSIG /* kbeal needs these w/o SYSV */ |
| # define NSIG 32 |
| #endif /* !NSIG */ |
| |
| |
| /***************************************************************** |
| * Wait stuff |
| */ |
| |
| #if (!defined(sysV68) && !defined(M_XENIX)) || defined(NeXT) || defined(M_UNIX) |
| # include <sys/wait.h> |
| #endif |
| |
| #ifndef WTERMSIG |
| # ifndef BSDWAIT /* if wait is NOT a union: */ |
| # define WTERMSIG(status) (status & 0177) |
| # else |
| # define WTERMSIG(status) status.w_T.w_Termsig |
| # endif |
| #endif |
| |
| #ifndef WSTOPSIG |
| # ifndef BSDWAIT /* if wait is NOT a union: */ |
| # define WSTOPSIG(status) ((status >> 8) & 0377) |
| # else |
| # define WSTOPSIG(status) status.w_S.w_Stopsig |
| # endif |
| #endif |
| |
| /* NET-2 uses WCOREDUMP */ |
| #if defined(WCOREDUMP) && !defined(WIFCORESIG) |
| # define WIFCORESIG(status) WCOREDUMP(status) |
| #endif |
| |
| #ifndef WIFCORESIG |
| # ifndef BSDWAIT /* if wait is NOT a union: */ |
| # define WIFCORESIG(status) (status & 0200) |
| # else |
| # define WIFCORESIG(status) status.w_T.w_Coredump |
| # endif |
| #endif |
| |
| #ifndef WEXITSTATUS |
| # ifndef BSDWAIT /* if wait is NOT a union: */ |
| # define WEXITSTATUS(status) ((status >> 8) & 0377) |
| # else |
| # define WEXITSTATUS(status) status.w_T.w_Retcode |
| # endif |
| #endif |
| |
| |
| /***************************************************************** |
| * select stuff |
| */ |
| |
| #if defined(M_XENIX) || defined(M_UNIX) || defined(_SEQUENT_) |
| #include <sys/select.h> /* for timeval + FD... */ |
| #endif |
| |
| /* |
| * SunOS 3.5 - Tom Schmidt - Micron Semiconductor, Inc - 27-Jul-93 |
| * tschmidt@vax.micron.com |
| */ |
| #ifndef FD_SET |
| # ifndef SUNOS3 |
| typedef struct fd_set { int fds_bits[1]; } fd_set; |
| # endif |
| # define FD_ZERO(fd) ((fd)->fds_bits[0] = 0) |
| # define FD_SET(b, fd) ((fd)->fds_bits[0] |= 1 << (b)) |
| # define FD_ISSET(b, fd) ((fd)->fds_bits[0] & 1 << (b)) |
| # define FD_SETSIZE 32 |
| #endif |
| |
| |
| /***************************************************************** |
| * user defineable stuff |
| */ |
| |
| #ifndef TERMCAP_BUFSIZE |
| # define TERMCAP_BUFSIZE 2048 |
| #endif |
| |
| #ifndef MAXPATHLEN |
| # define MAXPATHLEN 1024 |
| #endif |
| |
| /* |
| * you may try to vary this value. Use low values if your (VMS) system |
| * tends to choke when pasting. Use high values if you want to test |
| * how many characters your pty's can buffer. |
| */ |
| #define IOSIZE 4096 |
| |
