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/* 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: os.h,v 1.10 1994/05/31 12:32:22 mlschroe Exp $ 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 */ #if defined (POSIX) || defined (__FreeBSD__) # 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 */ # if defined (HAVE_SGTTY_H) # include <sgtty.h> # endif # 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_) || defined (__INTERIX) #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