1 /* vi:set ts=8 sts=4 sw=4:
3 * VIM - Vi IMproved by Bram Moolenaar
4 * OS/2 port by Paul Slootman
5 * VMS merge by Zoltan Arpadffy
7 * Do ":help uganda" in Vim to read copying and usage conditions.
8 * Do ":help credits" in Vim to see a list of people who contributed.
9 * See README.txt for an overview of the Vim source code.
13 * os_unix.c -- code for all flavors of Unix (BSD, SYSV, SVR4, POSIX, ...)
14 * Also for OS/2, using the excellent EMX package!!!
15 * Also for BeOS and Atari MiNT.
17 * A lot of this file was originally written by Juergen Weigert and later
18 * changed beyond recognition.
22 * Some systems have a prototype for select() that has (int *) instead of
23 * (fd_set *), which is wrong. This define removes that prototype. We define
24 * our own prototype below.
25 * Don't use it for the Mac, it causes a warning for precompiled headers.
26 * TODO: use a configure check for precompiled headers?
28 #if !defined(__APPLE__) && !defined(__TANDEM)
29 # define select select_declared_wrong
35 # include "if_mzsch.h"
38 #include "os_unixx.h" /* unix includes for os_unix.c only */
41 # include <X11/SM/SMlib.h>
45 # include <selinux/selinux.h>
46 static int selinux_enabled
= -1;
50 * Use this prototype for select, some include files have a wrong prototype
55 # define select beos_select
61 # include <cygwin/version.h>
62 # include <sys/cygwin.h> /* for cygwin_conv_to_posix_path() and/or
63 * for cygwin_conv_path() */
67 #if defined(HAVE_SELECT)
68 extern int select
__ARGS((int, fd_set
*, fd_set
*, fd_set
*, struct timeval
*));
73 /* <linux/keyboard.h> contains defines conflicting with "keymap.h",
74 * I just copied relevant defines here. A cleaner solution would be to put gpm
75 * code into separate file and include there linux/keyboard.h
77 /* #include <linux/keyboard.h> */
86 # define KG_CAPSSHIFT 8
88 static void gpm_close
__ARGS((void));
89 static int gpm_open
__ARGS((void));
90 static int mch_gpm_process
__ARGS((void));
94 # include <sys/consio.h>
95 # include <sys/fbio.h>
97 static int sysmouse_open
__ARGS((void));
98 static void sysmouse_close
__ARGS((void));
99 static RETSIGTYPE sig_sysmouse
__ARGS(SIGPROTOARG
);
103 * end of autoconf section. To be extended...
106 /* Are the following #ifdefs still required? And why? Is that for X11? */
108 #if defined(ESIX) || defined(M_UNIX) && !defined(SCO)
117 #if defined(SIGWINDOW) && !defined(SIGWINCH) /* hpux 9.01 has it */
118 # define SIGWINCH SIGWINDOW
122 # include <X11/Xlib.h>
123 # include <X11/Xutil.h>
124 # include <X11/Xatom.h>
125 # ifdef FEAT_XCLIPBOARD
126 # include <X11/Intrinsic.h>
127 # include <X11/Shell.h>
128 # include <X11/StringDefs.h>
129 static Widget xterm_Shell
= (Widget
)0;
130 static void xterm_update
__ARGS((void));
133 # if defined(FEAT_XCLIPBOARD) || defined(FEAT_TITLE)
134 Window x11_window
= 0;
136 Display
*x11_display
= NULL
;
139 static int get_x11_windis
__ARGS((void));
140 static void set_x11_title
__ARGS((char_u
*));
141 static void set_x11_icon
__ARGS((char_u
*));
146 static int get_x11_title
__ARGS((int));
147 static int get_x11_icon
__ARGS((int));
149 static char_u
*oldtitle
= NULL
;
150 static int did_set_title
= FALSE
;
151 static char_u
*oldicon
= NULL
;
152 static int did_set_icon
= FALSE
;
155 static void may_core_dump
__ARGS((void));
157 static int WaitForChar
__ARGS((long));
158 #if defined(__BEOS__)
159 int RealWaitForChar
__ARGS((int, long, int *));
161 static int RealWaitForChar
__ARGS((int, long, int *));
164 #ifdef FEAT_XCLIPBOARD
165 static int do_xterm_trace
__ARGS((void));
166 # define XT_TRACE_DELAY 50 /* delay for xterm tracing */
169 static void handle_resize
__ARGS((void));
171 #if defined(SIGWINCH)
172 static RETSIGTYPE sig_winch
__ARGS(SIGPROTOARG
);
175 static RETSIGTYPE catch_sigint
__ARGS(SIGPROTOARG
);
178 static RETSIGTYPE catch_sigpwr
__ARGS(SIGPROTOARG
);
180 #if defined(SIGALRM) && defined(FEAT_X11) \
181 && defined(FEAT_TITLE) && !defined(FEAT_GUI_GTK)
182 # define SET_SIG_ALARM
183 static RETSIGTYPE sig_alarm
__ARGS(SIGPROTOARG
);
184 /* volatile because it is used in signal handler sig_alarm(). */
185 static volatile int sig_alarm_called
;
187 static RETSIGTYPE deathtrap
__ARGS(SIGPROTOARG
);
189 static void catch_int_signal
__ARGS((void));
190 static void set_signals
__ARGS((void));
191 static void catch_signals
__ARGS((RETSIGTYPE (*func_deadly
)(), RETSIGTYPE (*func_other
)()));
193 static int have_wildcard
__ARGS((int, char_u
**));
194 static int have_dollars
__ARGS((int, char_u
**));
198 static int save_patterns
__ARGS((int num_pat
, char_u
**pat
, int *num_file
, char_u
***file
));
202 # define SIG_ERR ((RETSIGTYPE (*)())-1)
205 /* volatile because it is used in signal handler sig_winch(). */
206 static volatile int do_resize
= FALSE
;
208 static char_u
*extra_shell_arg
= NULL
;
209 static int show_shell_mess
= TRUE
;
211 /* volatile because it is used in signal handler deathtrap(). */
212 static volatile int deadly_signal
= 0; /* The signal we caught */
213 /* volatile because it is used in signal handler deathtrap(). */
214 static volatile int in_mch_delay
= FALSE
; /* sleeping in mch_delay() */
216 static int curr_tmode
= TMODE_COOK
; /* contains current terminal mode */
221 SmcConn smcconn
; /* The SM connection ID */
222 IceConn iceconn
; /* The ICE connection ID */
223 char *clientid
; /* The client ID for the current smc session */
224 Bool save_yourself
; /* If we're in the middle of a save_yourself */
225 Bool shutdown
; /* If we're in shutdown mode */
228 static xsmp_config_T xsmp
;
231 #ifdef SYS_SIGLIST_DECLARED
234 * extern char *_sys_siglist[NSIG];
235 * on Irix, Linux, NetBSD and Solaris. It contains a nice list of strings
236 * that describe the signals. That is nearly what we want here. But
237 * autoconf does only check for sys_siglist (without the underscore), I
238 * do not want to change everything today.... jw.
239 * This is why AC_DECL_SYS_SIGLIST is commented out in configure.in
243 static struct signalinfo
245 int sig
; /* Signal number, eg. SIGSEGV etc */
246 char *name
; /* Signal name (not char_u!). */
247 char deadly
; /* Catch as a deadly signal? */
251 {SIGHUP
, "HUP", TRUE
},
254 {SIGQUIT
, "QUIT", TRUE
},
257 {SIGILL
, "ILL", TRUE
},
260 {SIGTRAP
, "TRAP", TRUE
},
263 {SIGABRT
, "ABRT", TRUE
},
266 {SIGEMT
, "EMT", TRUE
},
269 {SIGFPE
, "FPE", TRUE
},
272 {SIGBUS
, "BUS", TRUE
},
275 {SIGSEGV
, "SEGV", TRUE
},
278 {SIGSYS
, "SYS", TRUE
},
281 {SIGALRM
, "ALRM", FALSE
}, /* Perl's alarm() can trigger it */
284 {SIGTERM
, "TERM", TRUE
},
287 {SIGVTALRM
, "VTALRM", TRUE
},
289 #if defined(SIGPROF) && !defined(FEAT_MZSCHEME) && !defined(WE_ARE_PROFILING)
290 /* MzScheme uses SIGPROF for its own needs; On Linux with profiling
291 * this makes Vim exit. WE_ARE_PROFILING is defined in Makefile. */
292 {SIGPROF
, "PROF", TRUE
},
295 {SIGXCPU
, "XCPU", TRUE
},
298 {SIGXFSZ
, "XFSZ", TRUE
},
301 {SIGUSR1
, "USR1", TRUE
},
303 #if defined(SIGUSR2) && !defined(FEAT_SYSMOUSE)
304 /* Used for sysmouse handling */
305 {SIGUSR2
, "USR2", TRUE
},
308 {SIGINT
, "INT", FALSE
},
311 {SIGWINCH
, "WINCH", FALSE
},
314 {SIGTSTP
, "TSTP", FALSE
},
317 {SIGPIPE
, "PIPE", FALSE
},
319 {-1, "Unknown!", FALSE
}
323 * Write s[len] to the screen.
330 ignored
= (int)write(1, (char *)s
, len
);
331 if (p_wd
) /* Unix is too fast, slow down a bit more */
332 RealWaitForChar(read_cmd_fd
, p_wd
, NULL
);
336 * mch_inchar(): low level input function.
337 * Get a characters from the keyboard.
338 * Return the number of characters that are available.
339 * If wtime == 0 do not wait for characters.
340 * If wtime == n wait a short time for characters.
341 * If wtime == -1 wait forever for characters.
344 mch_inchar(buf
, maxlen
, wtime
, tb_change_cnt
)
347 long wtime
; /* don't use "time", MIPS cannot handle it */
352 /* Check if window changed size while we were busy, perhaps the ":set
353 * columns=99" command was used. */
359 while (WaitForChar(wtime
) == 0) /* no character available */
361 if (!do_resize
) /* return if not interrupted by resize */
366 else /* wtime == -1 */
369 * If there is no character available within 'updatetime' seconds
370 * flush all the swap files to disk.
371 * Also done when interrupted by SIGWINCH.
373 if (WaitForChar(p_ut
) == 0)
376 if (trigger_cursorhold() && maxlen
>= 3
377 && !typebuf_changed(tb_change_cnt
))
381 buf
[2] = (int)KE_CURSORHOLD
;
389 for (;;) /* repeat until we got a character */
391 while (do_resize
) /* window changed size */
394 * we want to be interrupted by the winch signal
397 if (do_resize
) /* interrupted by SIGWINCH signal */
400 /* If input was put directly in typeahead buffer bail out here. */
401 if (typebuf_changed(tb_change_cnt
))
405 * For some terminals we only get one character at a time.
406 * We want the get all available characters, so we could keep on
407 * trying until none is available
408 * For some other terminals this is quite slow, that's why we don't do
411 len
= read_from_input_buf(buf
, (long)maxlen
);
417 for (i
= 0; i
< len
; i
++)
434 * return non-zero if a character is available
439 return WaitForChar(0L);
442 #if defined(HAVE_TOTAL_MEM) || defined(PROTO)
443 # ifdef HAVE_SYS_RESOURCE_H
444 # include <sys/resource.h>
446 # if defined(HAVE_SYS_SYSCTL_H) && defined(HAVE_SYSCTL)
447 # include <sys/sysctl.h>
449 # if defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO)
450 # include <sys/sysinfo.h>
454 * Return total amount of memory available in Kbyte.
455 * Doesn't change when memory has been allocated.
459 mch_total_mem(special
)
463 return ulimit(3, 0L) >> 10; /* always 32MB? */
466 long_u shiftright
= 10; /* how much to shift "mem" right for Kbyte */
472 /* BSD way of getting the amount of RAM available. */
475 len
= sizeof(physmem
);
476 if (sysctl(mib
, 2, &physmem
, &len
, NULL
, 0) == 0)
477 mem
= (long_u
)physmem
;
480 # if defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO)
483 struct sysinfo sinfo
;
485 /* Linux way of getting amount of RAM available */
486 if (sysinfo(&sinfo
) == 0)
488 # ifdef HAVE_SYSINFO_MEM_UNIT
489 /* avoid overflow as much as possible */
490 while (shiftright
> 0 && (sinfo
.mem_unit
& 1) == 0)
492 sinfo
.mem_unit
= sinfo
.mem_unit
>> 1;
495 mem
= sinfo
.totalram
* sinfo
.mem_unit
;
497 mem
= sinfo
.totalram
;
506 long pagesize
, pagecount
;
508 /* Solaris way of getting amount of RAM available */
509 pagesize
= sysconf(_SC_PAGESIZE
);
510 pagecount
= sysconf(_SC_PHYS_PAGES
);
511 if (pagesize
> 0 && pagecount
> 0)
513 /* avoid overflow as much as possible */
514 while (shiftright
> 0 && (pagesize
& 1) == 0)
516 pagesize
= (long_u
)pagesize
>> 1;
519 mem
= (long_u
)pagesize
* pagecount
;
524 /* Return the minimum of the physical memory and the user limit, because
525 * using more than the user limit may cause Vim to be terminated. */
526 # if defined(HAVE_SYS_RESOURCE_H) && defined(HAVE_GETRLIMIT)
530 if (getrlimit(RLIMIT_DATA
, &rlp
) == 0
531 && rlp
.rlim_cur
< ((rlim_t
)1 << (sizeof(long_u
) * 8 - 1))
532 # ifdef RLIM_INFINITY
533 && rlp
.rlim_cur
!= RLIM_INFINITY
535 && ((long_u
)rlp
.rlim_cur
>> 10) < (mem
>> shiftright
)
538 mem
= (long_u
)rlp
.rlim_cur
;
545 return mem
>> shiftright
;
546 return (long_u
)0x1fffff;
552 mch_delay(msec
, ignoreinput
)
558 long total
= msec
; /* remember original value */
563 /* Go to cooked mode without echo, to allow SIGINT interrupting us
564 * here. But we don't want QUIT to kill us (CTRL-\ used in a
565 * shell may produce SIGQUIT). */
567 old_tmode
= curr_tmode
;
568 if (curr_tmode
== TMODE_RAW
)
569 settmode(TMODE_SLEEP
);
572 * Everybody sleeps in a different way...
573 * Prefer nanosleep(), some versions of usleep() can only sleep up to
579 /* if total is large enough, wait by portions in p_mzq */
586 #ifdef HAVE_NANOSLEEP
590 ts
.tv_sec
= msec
/ 1000;
591 ts
.tv_nsec
= (msec
% 1000) * 1000000;
592 (void)nanosleep(&ts
, NULL
);
598 usleep((unsigned int)(999 * 1000));
601 usleep((unsigned int)(msec
* 1000));
604 poll(NULL
, 0, (int)msec
);
612 tv
.tv_sec
= msec
/ 1000;
613 tv
.tv_usec
= (msec
% 1000) * 1000;
615 * NOTE: Solaris 2.6 has a bug that makes select() hang here. Get
616 * a patch from Sun to fix this. Reported by Gunnar Pedersen.
618 select(0, NULL
, NULL
, NULL
, &tv
);
620 # endif /* __EMX__ */
621 # endif /* HAVE_SELECT */
622 # endif /* HAVE_NANOSLEEP */
623 #endif /* HAVE_USLEEP */
630 in_mch_delay
= FALSE
;
636 #if 0 /* disabled, no longer needed now that regmatch() is not recursive */
637 # if defined(HAVE_GETRLIMIT)
638 # define HAVE_STACK_LIMIT
642 #if defined(HAVE_STACK_LIMIT) \
643 || (!defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGSTACK))
644 # define HAVE_CHECK_STACK_GROWTH
646 * Support for checking for an almost-out-of-stack-space situation.
650 * Return a pointer to an item on the stack. Used to find out if the stack
653 static void check_stack_growth
__ARGS((char *p
));
654 static int stack_grows_downwards
;
657 * Find out if the stack grows upwards or downwards.
658 * "p" points to a variable on the stack of the caller.
661 check_stack_growth(p
)
666 stack_grows_downwards
= (p
> (char *)&i
);
670 #if defined(HAVE_STACK_LIMIT) || defined(PROTO)
671 static char *stack_limit
= NULL
;
673 #if defined(_THREAD_SAFE) && defined(HAVE_PTHREAD_NP_H)
674 # include <pthread.h>
675 # include <pthread_np.h>
679 * Find out until how var the stack can grow without getting into trouble.
680 * Called when starting up and when switching to the signal stack in
690 /* Set the stack limit to 15/16 of the allowable size. Skip this when the
691 * limit doesn't fit in a long (rlim_cur might be "long long"). */
692 if (getrlimit(RLIMIT_STACK
, &rlp
) == 0
693 && rlp
.rlim_cur
< ((rlim_t
)1 << (sizeof(long_u
) * 8 - 1))
694 # ifdef RLIM_INFINITY
695 && rlp
.rlim_cur
!= RLIM_INFINITY
699 lim
= (long)rlp
.rlim_cur
;
700 #if defined(_THREAD_SAFE) && defined(HAVE_PTHREAD_NP_H)
705 /* On FreeBSD the initial thread always has a fixed stack size, no
706 * matter what the limits are set to. Normally it's 1 Mbyte. */
707 pthread_attr_init(&attr
);
708 if (pthread_attr_get_np(pthread_self(), &attr
) == 0)
710 pthread_attr_getstacksize(&attr
, &size
);
711 if (lim
> (long)size
)
714 pthread_attr_destroy(&attr
);
717 if (stack_grows_downwards
)
719 stack_limit
= (char *)((long)&i
- (lim
/ 16L * 15L));
720 if (stack_limit
>= (char *)&i
)
721 /* overflow, set to 1/16 of current stack position */
722 stack_limit
= (char *)((long)&i
/ 16L);
726 stack_limit
= (char *)((long)&i
+ (lim
/ 16L * 15L));
727 if (stack_limit
<= (char *)&i
)
728 stack_limit
= NULL
; /* overflow */
734 * Return FAIL when running out of stack space.
735 * "p" must point to any variable local to the caller that's on the stack.
741 if (stack_limit
!= NULL
)
743 if (stack_grows_downwards
)
748 else if (p
> stack_limit
)
755 #if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK)
757 * Support for using the signal stack.
758 * This helps when we run out of stack space, which causes a SIGSEGV. The
759 * signal handler then must run on another stack, since the normal stack is
764 # define SIGSTKSZ 8000 /* just a guess of how much stack is needed... */
767 # ifdef HAVE_SIGALTSTACK
768 static stack_t sigstk
; /* for sigaltstack() */
770 static struct sigstack sigstk
; /* for sigstack() */
773 static void init_signal_stack
__ARGS((void));
774 static char *signal_stack
;
779 if (signal_stack
!= NULL
)
781 # ifdef HAVE_SIGALTSTACK
782 # if defined(__APPLE__) && (!defined(MAC_OS_X_VERSION_MAX_ALLOWED) \
783 || MAC_OS_X_VERSION_MAX_ALLOWED <= 1040)
784 /* missing prototype. Adding it to osdef?.h.in doesn't work, because
785 * "struct sigaltstack" needs to be declared. */
786 extern int sigaltstack
__ARGS((const struct sigaltstack
*ss
, struct sigaltstack
*oss
));
790 sigstk
.ss_base
= signal_stack
;
792 sigstk
.ss_sp
= signal_stack
;
794 sigstk
.ss_size
= SIGSTKSZ
;
796 (void)sigaltstack(&sigstk
, NULL
);
798 sigstk
.ss_sp
= signal_stack
;
799 if (stack_grows_downwards
)
800 sigstk
.ss_sp
+= SIGSTKSZ
- 1;
801 sigstk
.ss_onstack
= 0;
802 (void)sigstack(&sigstk
, NULL
);
809 * We need correct prototypes for a signal function, otherwise mean compilers
810 * will barf when the second argument to signal() is ``wrong''.
811 * Let me try it with a few tricky defines from my own osdef.h (jw).
813 #if defined(SIGWINCH)
816 sig_winch
SIGDEFARG(sigarg
)
818 /* this is not required on all systems, but it doesn't hurt anybody */
819 signal(SIGWINCH
, (RETSIGTYPE (*)())sig_winch
);
828 catch_sigint
SIGDEFARG(sigarg
)
830 /* this is not required on all systems, but it doesn't hurt anybody */
831 signal(SIGINT
, (RETSIGTYPE (*)())catch_sigint
);
840 catch_sigpwr
SIGDEFARG(sigarg
)
842 /* this is not required on all systems, but it doesn't hurt anybody */
843 signal(SIGPWR
, (RETSIGTYPE (*)())catch_sigpwr
);
845 * I'm not sure we get the SIGPWR signal when the system is really going
846 * down or when the batteries are almost empty. Just preserve the swap
847 * files and don't exit, that can't do any harm.
849 ml_sync_all(FALSE
, FALSE
);
856 * signal function for alarm().
860 sig_alarm
SIGDEFARG(sigarg
)
862 /* doesn't do anything, just to break a system call */
863 sig_alarm_called
= TRUE
;
868 #if (defined(HAVE_SETJMP_H) \
869 && ((defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)) \
870 || defined(FEAT_LIBCALL))) \
873 * A simplistic version of setjmp() that only allows one level of using.
874 * Don't call twice before calling mch_endjmp()!.
877 * if (SETJMP(lc_jump_env) != 0)
887 * Note: Can't move SETJMP() here, because a function calling setjmp() must
888 * not return before the saved environment is used.
889 * Returns OK for normal return, FAIL when the protected code caused a
890 * problem and LONGJMP() was used.
910 # if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK)
911 /* On FreeBSD the signal stack has to be reset after using siglongjmp(),
912 * otherwise catching the signal only works once. */
919 * This function handles deadly signals.
920 * It tries to preserve any swap file and exit properly.
921 * (partly from Elvis).
924 deathtrap
SIGDEFARG(sigarg
)
926 static int entered
= 0; /* count the number of times we got here.
927 Note: when memory has been corrupted
928 this may get an arbitrary value! */
933 #if defined(HAVE_SETJMP_H)
935 * Catch a crash in protected code.
936 * Restores the environment saved in lc_jump_env, which looks like
937 * SETJMP() returns 1.
941 # if defined(SIGHASARG)
944 lc_active
= FALSE
; /* don't jump again */
945 LONGJMP(lc_jump_env
, 1);
952 /* While in mch_delay() we go to cooked mode to allow a CTRL-C to
953 * interrupt us. But in cooked mode we may also get SIGQUIT, e.g., when
954 * pressing CTRL-\, but we don't want Vim to exit then. */
955 if (in_mch_delay
&& sigarg
== SIGQUIT
)
959 /* When SIGHUP, SIGQUIT, etc. are blocked: postpone the effect and return
960 * here. This avoids that a non-reentrant function is interrupted, e.g.,
961 * free(). Calling free() again may then cause a crash. */
983 && !vim_handle_signal(sigarg
))
987 /* Remember how often we have been called. */
991 /* Set the v:dying variable. */
992 set_vim_var_nr(VV_DYING
, (long)entered
);
995 #ifdef HAVE_STACK_LIMIT
996 /* Since we are now using the signal stack, need to reset the stack
997 * limit. Otherwise using a regexp will fail. */
1002 /* This is for opening gdb the moment Vim crashes.
1003 * You need to manually adjust the file name and Vim executable name.
1004 * Suggested by SungHyun Nam. */
1006 # define VI_GDB_FILE "/tmp/vimgdb"
1007 # define VIM_NAME "/usr/bin/vim"
1008 FILE *fp
= fopen(VI_GDB_FILE
, "w");
1016 , VIM_NAME
, getpid());
1018 system("xterm -e gdb -x "VI_GDB_FILE
);
1019 unlink(VI_GDB_FILE
);
1025 /* try to find the name of this signal */
1026 for (i
= 0; signal_info
[i
].sig
!= -1; i
++)
1027 if (sigarg
== signal_info
[i
].sig
)
1029 deadly_signal
= sigarg
;
1032 full_screen
= FALSE
; /* don't write message to the GUI, it might be
1033 * part of the problem... */
1035 * If something goes wrong after entering here, we may get here again.
1036 * When this happens, give a message and try to exit nicely (resetting the
1037 * terminal mode, etc.)
1038 * When this happens twice, just exit, don't even try to give a message,
1039 * stack may be corrupt or something weird.
1040 * When this still happens again (or memory was corrupted in such a way
1041 * that "entered" was clobbered) use _exit(), don't try freeing resources.
1045 reset_signals(); /* don't catch any signals anymore */
1053 OUT_STR(_("Vim: Double signal, exiting\n"));
1059 sprintf((char *)IObuff
, _("Vim: Caught deadly signal %s\n"),
1060 signal_info
[i
].name
);
1062 sprintf((char *)IObuff
, _("Vim: Caught deadly signal\n"));
1064 preserve_exit(); /* preserve files and exit */
1075 #if defined(_REENTRANT) && defined(SIGCONT)
1077 * On Solaris with multi-threading, suspending might not work immediately.
1078 * Catch the SIGCONT signal, which will be used as an indication whether the
1079 * suspending has been done or not.
1081 * On Linux, signal is not always handled immediately either.
1082 * See https://bugs.launchpad.net/bugs/291373
1084 * volatile because it is used in in signal handler sigcont_handler().
1086 static volatile int sigcont_received
;
1087 static RETSIGTYPE sigcont_handler
__ARGS(SIGPROTOARG
);
1090 * signal handler for SIGCONT
1094 sigcont_handler
SIGDEFARG(sigarg
)
1096 sigcont_received
= TRUE
;
1102 * If the machine has job control, use it to suspend the program,
1103 * otherwise fake it by starting a new shell.
1108 /* BeOS does have SIGTSTP, but it doesn't work. */
1109 #if defined(SIGTSTP) && !defined(__BEOS__)
1110 out_flush(); /* needed to make cursor visible on some systems */
1111 settmode(TMODE_COOK
);
1112 out_flush(); /* needed to disable mouse on some systems */
1114 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11)
1115 /* Since we are going to sleep, we can't respond to requests for the X
1116 * selections. Lose them, otherwise other applications will hang. But
1117 * first copy the text to cut buffer 0. */
1118 if (clip_star
.owned
|| clip_plus
.owned
)
1120 x11_export_final_selection();
1121 if (clip_star
.owned
)
1122 clip_lose_selection(&clip_star
);
1123 if (clip_plus
.owned
)
1124 clip_lose_selection(&clip_plus
);
1125 if (x11_display
!= NULL
)
1126 XFlush(x11_display
);
1130 # if defined(_REENTRANT) && defined(SIGCONT)
1131 sigcont_received
= FALSE
;
1133 kill(0, SIGTSTP
); /* send ourselves a STOP signal */
1134 # if defined(_REENTRANT) && defined(SIGCONT)
1136 * Wait for the SIGCONT signal to be handled. It generally happens
1137 * immediately, but somehow not all the time. Do not call pause()
1138 * because there would be race condition which would hang Vim if
1139 * signal happened in between the test of sigcont_received and the
1140 * call to pause(). If signal is not yet received, call sleep(0)
1141 * to just yield CPU. Signal should then be received. If somehow
1142 * it's still not received, sleep 1, 2, 3 ms. Don't bother waiting
1143 * further if signal is not received after 1+2+3+4 ms (not expected
1148 for (wait
= 0; !sigcont_received
&& wait
<= 3L; wait
++)
1149 /* Loop is not entered most of the time */
1150 mch_delay(wait
, FALSE
);
1156 * Set oldtitle to NULL, so the current title is obtained again.
1161 settmode(TMODE_RAW
);
1162 need_check_timestamps
= TRUE
;
1163 did_check_timestamps
= FALSE
;
1178 #ifdef MACOS_CONVERT
1186 #if defined(SIGWINCH)
1188 * WINDOW CHANGE signal is handled with sig_winch().
1190 signal(SIGWINCH
, (RETSIGTYPE (*)())sig_winch
);
1194 * We want the STOP signal to work, to make mch_suspend() work.
1195 * For "rvim" the STOP signal is ignored.
1198 signal(SIGTSTP
, restricted
? SIG_IGN
: SIG_DFL
);
1200 #if defined(_REENTRANT) && defined(SIGCONT)
1201 signal(SIGCONT
, sigcont_handler
);
1205 * We want to ignore breaking of PIPEs.
1208 signal(SIGPIPE
, SIG_IGN
);
1216 * Ignore alarm signals (Perl's alarm() generates it).
1219 signal(SIGALRM
, SIG_IGN
);
1223 * Catch SIGPWR (power failure?) to preserve the swap files, so that no
1224 * work will be lost.
1227 signal(SIGPWR
, (RETSIGTYPE (*)())catch_sigpwr
);
1231 * Arrange for other signals to gracefully shutdown Vim.
1233 catch_signals(deathtrap
, SIG_ERR
);
1235 #if defined(FEAT_GUI) && defined(SIGHUP)
1237 * When the GUI is running, ignore the hangup signal.
1240 signal(SIGHUP
, SIG_IGN
);
1244 #if defined(SIGINT) || defined(PROTO)
1246 * Catch CTRL-C (only works while in Cooked mode).
1251 signal(SIGINT
, (RETSIGTYPE (*)())catch_sigint
);
1258 catch_signals(SIG_DFL
, SIG_DFL
);
1259 #if defined(_REENTRANT) && defined(SIGCONT)
1260 /* SIGCONT isn't in the list, because its default action is ignore */
1261 signal(SIGCONT
, SIG_DFL
);
1266 catch_signals(func_deadly
, func_other
)
1267 RETSIGTYPE (*func_deadly
)();
1268 RETSIGTYPE (*func_other
)();
1272 for (i
= 0; signal_info
[i
].sig
!= -1; i
++)
1273 if (signal_info
[i
].deadly
)
1275 #if defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGACTION)
1276 struct sigaction sa
;
1278 /* Setup to use the alternate stack for the signal function. */
1279 sa
.sa_handler
= func_deadly
;
1280 sigemptyset(&sa
.sa_mask
);
1281 # if defined(__linux__) && defined(_REENTRANT)
1282 /* On Linux, with glibc compiled for kernel 2.2, there is a bug in
1283 * thread handling in combination with using the alternate stack:
1284 * pthread library functions try to use the stack pointer to
1285 * identify the current thread, causing a SEGV signal, which
1286 * recursively calls deathtrap() and hangs. */
1289 sa
.sa_flags
= SA_ONSTACK
;
1291 sigaction(signal_info
[i
].sig
, &sa
, NULL
);
1293 # if defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGVEC)
1296 /* Setup to use the alternate stack for the signal function. */
1297 sv
.sv_handler
= func_deadly
;
1299 sv
.sv_flags
= SV_ONSTACK
;
1300 sigvec(signal_info
[i
].sig
, &sv
, NULL
);
1302 signal(signal_info
[i
].sig
, func_deadly
);
1306 else if (func_other
!= SIG_ERR
)
1307 signal(signal_info
[i
].sig
, func_other
);
1311 * Handling of SIGHUP, SIGQUIT and SIGTERM:
1312 * "when" == a signal: when busy, postpone and return FALSE, otherwise
1314 * "when" == SIGNAL_BLOCK: Going to be busy, block signals
1315 * "when" == SIGNAL_UNBLOCK: Going to wait, unblock signals, use postponed
1317 * Returns TRUE when Vim should exit.
1320 vim_handle_signal(sig
)
1323 static int got_signal
= 0;
1324 static int blocked
= TRUE
;
1328 case SIGNAL_BLOCK
: blocked
= TRUE
;
1331 case SIGNAL_UNBLOCK
: blocked
= FALSE
;
1332 if (got_signal
!= 0)
1334 kill(getpid(), got_signal
);
1339 default: if (!blocked
)
1340 return TRUE
; /* exit! */
1345 got_int
= TRUE
; /* break any loops */
1352 * Check_win checks whether we have an interactive stdout.
1356 mch_check_win(argc
, argv
)
1362 * Store argv[0], may be used for $VIM. Only use it if it is an absolute
1363 * name, mostly it's just "vim" and found in the path, which is unusable.
1365 if (mch_isFullName(argv
[0]))
1366 exe_name
= vim_strsave((char_u
*)argv
[0]);
1374 * Return TRUE if the input comes from a terminal, FALSE otherwise.
1379 if (isatty(read_cmd_fd
))
1386 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H) \
1387 && (defined(FEAT_XCLIPBOARD) || defined(FEAT_TITLE))
1389 static void xopen_message
__ARGS((struct timeval
*tvp
));
1392 * Give a message about the elapsed time for opening the X window.
1396 struct timeval
*tvp
; /* must contain start time */
1398 struct timeval end_tv
;
1400 /* Compute elapsed time. */
1401 gettimeofday(&end_tv
, NULL
);
1402 smsg((char_u
*)_("Opening the X display took %ld msec"),
1403 (end_tv
.tv_sec
- tvp
->tv_sec
) * 1000L
1404 + (end_tv
.tv_usec
- tvp
->tv_usec
) / 1000L);
1409 #if defined(FEAT_X11) && (defined(FEAT_TITLE) || defined(FEAT_XCLIPBOARD))
1411 * A few functions shared by X11 title and clipboard code.
1413 static int x_error_handler
__ARGS((Display
*dpy
, XErrorEvent
*error_event
));
1414 static int x_error_check
__ARGS((Display
*dpy
, XErrorEvent
*error_event
));
1415 static int x_connect_to_server
__ARGS((void));
1416 static int test_x11_window
__ARGS((Display
*dpy
));
1418 static int got_x_error
= FALSE
;
1421 * X Error handler, otherwise X just exits! (very rude) -- webb
1424 x_error_handler(dpy
, error_event
)
1426 XErrorEvent
*error_event
;
1428 XGetErrorText(dpy
, error_event
->error_code
, (char *)IObuff
, IOSIZE
);
1429 STRCAT(IObuff
, _("\nVim: Got X error\n"));
1431 /* We cannot print a message and continue, because no X calls are allowed
1432 * here (causes my system to hang). Silently continuing might be an
1434 preserve_exit(); /* preserve files and exit */
1436 return 0; /* NOTREACHED */
1440 * Another X Error handler, just used to check for errors.
1444 x_error_check(dpy
, error_event
)
1446 XErrorEvent
*error_event
;
1452 #if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)
1453 # if defined(HAVE_SETJMP_H)
1455 * An X IO Error handler, used to catch error while opening the display.
1457 static int x_IOerror_check
__ARGS((Display
*dpy
));
1461 x_IOerror_check(dpy
)
1464 /* This function should not return, it causes exit(). Longjump instead. */
1465 LONGJMP(lc_jump_env
, 1);
1472 * An X IO Error handler, used to catch terminal errors.
1474 static int x_IOerror_handler
__ARGS((Display
*dpy
));
1478 x_IOerror_handler(dpy
)
1484 xterm_Shell
= (Widget
)0;
1486 /* This function should not return, it causes exit(). Longjump instead. */
1487 LONGJMP(x_jump_env
, 1);
1494 * Return TRUE when connection to the X server is desired.
1497 x_connect_to_server()
1499 regmatch_T regmatch
;
1501 #if defined(FEAT_CLIENTSERVER)
1502 if (x_force_connect
)
1508 /* Check for a match with "exclude:" from 'clipboard'. */
1509 if (clip_exclude_prog
!= NULL
)
1511 regmatch
.rm_ic
= FALSE
; /* Don't ignore case */
1512 regmatch
.regprog
= clip_exclude_prog
;
1513 if (vim_regexec(®match
, T_NAME
, (colnr_T
)0))
1520 * Test if "dpy" and x11_window are valid by getting the window title.
1521 * I don't actually want it yet, so there may be a simpler call to use, but
1522 * this will cause the error handler x_error_check() to be called if anything
1523 * is wrong, such as the window pointer being invalid (as can happen when the
1524 * user changes his DISPLAY, but not his WINDOWID) -- webb
1527 test_x11_window(dpy
)
1530 int (*old_handler
)();
1531 XTextProperty text_prop
;
1533 old_handler
= XSetErrorHandler(x_error_check
);
1534 got_x_error
= FALSE
;
1535 if (XGetWMName(dpy
, x11_window
, &text_prop
))
1536 XFree((void *)text_prop
.value
);
1538 (void)XSetErrorHandler(old_handler
);
1540 if (p_verbose
> 0 && got_x_error
)
1541 verb_msg((char_u
*)_("Testing the X display failed"));
1543 return (got_x_error
? FAIL
: OK
);
1551 static int get_x11_thing
__ARGS((int get_title
, int test_only
));
1554 * try to get x11 window and display
1556 * return FAIL for failure, OK otherwise
1562 static int result
= -1;
1563 #define XD_NONE 0 /* x11_display not set here */
1564 #define XD_HERE 1 /* x11_display opened here */
1565 #define XD_GUI 2 /* x11_display used from gui.dpy */
1566 #define XD_XTERM 3 /* x11_display used from xterm_dpy */
1567 static int x11_display_from
= XD_NONE
;
1568 static int did_set_error_handler
= FALSE
;
1570 if (!did_set_error_handler
)
1572 /* X just exits if it finds an error otherwise! */
1573 (void)XSetErrorHandler(x_error_handler
);
1574 did_set_error_handler
= TRUE
;
1577 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK)
1581 * If the X11 display was opened here before, for the window where Vim
1582 * was started, close that one now to avoid a memory leak.
1584 if (x11_display_from
== XD_HERE
&& x11_display
!= NULL
)
1586 XCloseDisplay(x11_display
);
1587 x11_display_from
= XD_NONE
;
1589 if (gui_get_x11_windis(&x11_window
, &x11_display
) == OK
)
1591 x11_display_from
= XD_GUI
;
1597 else if (x11_display_from
== XD_GUI
)
1599 /* GUI must have stopped somehow, clear x11_display */
1602 x11_display_from
= XD_NONE
;
1606 /* When started with the "-X" argument, don't try connecting. */
1607 if (!x_connect_to_server())
1611 * If WINDOWID not set, should try another method to find out
1612 * what the current window number is. The only code I know for
1613 * this is very complicated.
1614 * We assume that zero is invalid for WINDOWID.
1616 if (x11_window
== 0 && (winid
= getenv("WINDOWID")) != NULL
)
1617 x11_window
= (Window
)atol(winid
);
1619 #ifdef FEAT_XCLIPBOARD
1620 if (xterm_dpy
!= NULL
&& x11_window
!= 0)
1622 /* We may have checked it already, but Gnome terminal can move us to
1623 * another window, so we need to check every time. */
1624 if (x11_display_from
!= XD_XTERM
)
1627 * If the X11 display was opened here before, for the window where
1628 * Vim was started, close that one now to avoid a memory leak.
1630 if (x11_display_from
== XD_HERE
&& x11_display
!= NULL
)
1631 XCloseDisplay(x11_display
);
1632 x11_display
= xterm_dpy
;
1633 x11_display_from
= XD_XTERM
;
1635 if (test_x11_window(x11_display
) == FAIL
)
1637 /* probably bad $WINDOWID */
1640 x11_display_from
= XD_NONE
;
1647 if (x11_window
== 0 || x11_display
== NULL
)
1650 if (result
!= -1) /* Have already been here and set this */
1651 return result
; /* Don't do all these X calls again */
1653 if (x11_window
!= 0 && x11_display
== NULL
)
1655 #ifdef SET_SIG_ALARM
1656 RETSIGTYPE (*sig_save
)();
1658 #if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H)
1659 struct timeval start_tv
;
1662 gettimeofday(&start_tv
, NULL
);
1665 #ifdef SET_SIG_ALARM
1667 * Opening the Display may hang if the DISPLAY setting is wrong, or
1668 * the network connection is bad. Set an alarm timer to get out.
1670 sig_alarm_called
= FALSE
;
1671 sig_save
= (RETSIGTYPE (*)())signal(SIGALRM
,
1672 (RETSIGTYPE (*)())sig_alarm
);
1675 x11_display
= XOpenDisplay(NULL
);
1677 #ifdef SET_SIG_ALARM
1679 signal(SIGALRM
, (RETSIGTYPE (*)())sig_save
);
1680 if (p_verbose
> 0 && sig_alarm_called
)
1681 verb_msg((char_u
*)_("Opening the X display timed out"));
1683 if (x11_display
!= NULL
)
1685 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H)
1689 xopen_message(&start_tv
);
1693 if (test_x11_window(x11_display
) == FAIL
)
1695 /* Maybe window id is bad */
1697 XCloseDisplay(x11_display
);
1701 x11_display_from
= XD_HERE
;
1704 if (x11_window
== 0 || x11_display
== NULL
)
1705 return (result
= FAIL
);
1706 return (result
= OK
);
1710 * Determine original x11 Window Title
1713 get_x11_title(test_only
)
1716 return get_x11_thing(TRUE
, test_only
);
1720 * Determine original x11 Window icon
1723 get_x11_icon(test_only
)
1728 retval
= get_x11_thing(FALSE
, test_only
);
1730 /* could not get old icon, use terminal name */
1731 if (oldicon
== NULL
&& !test_only
)
1733 if (STRNCMP(T_NAME
, "builtin_", 8) == 0)
1734 oldicon
= T_NAME
+ 8;
1743 get_x11_thing(get_title
, test_only
)
1744 int get_title
; /* get title string */
1747 XTextProperty text_prop
;
1751 if (get_x11_windis() == OK
)
1753 /* Get window/icon name if any */
1755 status
= XGetWMName(x11_display
, x11_window
, &text_prop
);
1757 status
= XGetWMIconName(x11_display
, x11_window
, &text_prop
);
1760 * If terminal is xterm, then x11_window may be a child window of the
1761 * outer xterm window that actually contains the window/icon name, so
1762 * keep traversing up the tree until a window with a title/icon is
1765 /* Previously this was only done for xterm and alikes. I don't see a
1766 * reason why it would fail for other terminal emulators.
1767 * if (term_is_xterm) */
1771 Window win
= x11_window
;
1773 unsigned int num_children
;
1775 while (!status
|| text_prop
.value
== NULL
)
1777 if (!XQueryTree(x11_display
, win
, &root
, &parent
, &children
,
1781 XFree((void *)children
);
1782 if (parent
== root
|| parent
== 0)
1787 status
= XGetWMName(x11_display
, win
, &text_prop
);
1789 status
= XGetWMIconName(x11_display
, win
, &text_prop
);
1792 if (status
&& text_prop
.value
!= NULL
)
1797 #ifdef FEAT_XFONTSET
1798 if (text_prop
.encoding
== XA_STRING
)
1802 oldtitle
= vim_strsave((char_u
*)text_prop
.value
);
1804 oldicon
= vim_strsave((char_u
*)text_prop
.value
);
1805 #ifdef FEAT_XFONTSET
1810 Status transform_status
;
1813 transform_status
= XmbTextPropertyToTextList(x11_display
,
1816 if (transform_status
>= Success
&& n
> 0 && cl
[0])
1819 oldtitle
= vim_strsave((char_u
*) cl
[0]);
1821 oldicon
= vim_strsave((char_u
*) cl
[0]);
1822 XFreeStringList(cl
);
1827 oldtitle
= vim_strsave((char_u
*)text_prop
.value
);
1829 oldicon
= vim_strsave((char_u
*)text_prop
.value
);
1834 XFree((void *)text_prop
.value
);
1840 /* Are Xutf8 functions available? Avoid error from old compilers. */
1841 #if defined(X_HAVE_UTF8_STRING) && defined(FEAT_MBYTE)
1842 # if X_HAVE_UTF8_STRING
1843 # define USE_UTF8_STRING
1848 * Set x11 Window Title
1850 * get_x11_windis() must be called before this and have returned OK
1853 set_x11_title(title
)
1856 /* XmbSetWMProperties() and Xutf8SetWMProperties() should use a STRING
1857 * when possible, COMPOUND_TEXT otherwise. COMPOUND_TEXT isn't
1858 * supported everywhere and STRING doesn't work for multi-byte titles.
1860 #ifdef USE_UTF8_STRING
1862 Xutf8SetWMProperties(x11_display
, x11_window
, (const char *)title
,
1863 NULL
, NULL
, 0, NULL
, NULL
, NULL
);
1867 #if XtSpecificationRelease >= 4
1868 # ifdef FEAT_XFONTSET
1869 XmbSetWMProperties(x11_display
, x11_window
, (const char *)title
,
1870 NULL
, NULL
, 0, NULL
, NULL
, NULL
);
1872 XTextProperty text_prop
;
1873 char *c_title
= (char *)title
;
1875 /* directly from example 3-18 "basicwin" of Xlib Programming Manual */
1876 (void)XStringListToTextProperty(&c_title
, 1, &text_prop
);
1877 XSetWMProperties(x11_display
, x11_window
, &text_prop
,
1878 NULL
, NULL
, 0, NULL
, NULL
, NULL
);
1881 XStoreName(x11_display
, x11_window
, (char *)title
);
1884 XFlush(x11_display
);
1888 * Set x11 Window icon
1890 * get_x11_windis() must be called before this and have returned OK
1896 /* See above for comments about using X*SetWMProperties(). */
1897 #ifdef USE_UTF8_STRING
1899 Xutf8SetWMProperties(x11_display
, x11_window
, NULL
, (const char *)icon
,
1900 NULL
, 0, NULL
, NULL
, NULL
);
1904 #if XtSpecificationRelease >= 4
1905 # ifdef FEAT_XFONTSET
1906 XmbSetWMProperties(x11_display
, x11_window
, NULL
, (const char *)icon
,
1907 NULL
, 0, NULL
, NULL
, NULL
);
1909 XTextProperty text_prop
;
1910 char *c_icon
= (char *)icon
;
1912 (void)XStringListToTextProperty(&c_icon
, 1, &text_prop
);
1913 XSetWMProperties(x11_display
, x11_window
, NULL
, &text_prop
,
1914 NULL
, 0, NULL
, NULL
, NULL
);
1917 XSetIconName(x11_display
, x11_window
, (char *)icon
);
1920 XFlush(x11_display
);
1923 #else /* FEAT_X11 */
1927 get_x11_title(test_only
)
1934 get_x11_icon(test_only
)
1939 if (STRNCMP(T_NAME
, "builtin_", 8) == 0)
1940 oldicon
= T_NAME
+ 8;
1947 #endif /* FEAT_X11 */
1950 mch_can_restore_title()
1952 return get_x11_title(TRUE
);
1956 mch_can_restore_icon()
1958 return get_x11_icon(TRUE
);
1962 * Set the window title and icon.
1965 mch_settitle(title
, icon
)
1970 static int recursive
= 0;
1972 if (T_NAME
== NULL
) /* no terminal name (yet) */
1974 if (title
== NULL
&& icon
== NULL
) /* nothing to do */
1977 /* When one of the X11 functions causes a deadly signal, we get here again
1978 * recursively. Avoid hanging then (something is probably locked). */
1984 * if the window ID and the display is known, we may use X11 calls
1987 if (get_x11_windis() == OK
)
1990 # if defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC) || defined(FEAT_GUI_GTK)
1997 * Note: if "t_TS" is set, title is set with escape sequence rather
1998 * than x11 calls, because the x11 calls don't always work
2000 if ((type
|| *T_TS
!= NUL
) && title
!= NULL
)
2002 if (oldtitle
== NULL
2006 ) /* first call but not in GUI, save title */
2007 (void)get_x11_title(FALSE
);
2009 if (*T_TS
!= NUL
) /* it's OK if t_fs is empty */
2010 term_settitle(title
);
2013 # ifdef FEAT_GUI_GTK
2014 if (!gui
.in_use
) /* don't do this if GTK+ is running */
2016 set_x11_title(title
); /* x11 */
2018 #if defined(FEAT_GUI_GTK) \
2019 || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC)
2021 gui_mch_settitle(title
, icon
);
2023 did_set_title
= TRUE
;
2026 if ((type
|| *T_CIS
!= NUL
) && icon
!= NULL
)
2032 ) /* first call, save icon */
2033 get_x11_icon(FALSE
);
2037 out_str(T_CIS
); /* set icon start */
2039 out_str(T_CIE
); /* set icon end */
2044 # ifdef FEAT_GUI_GTK
2045 if (!gui
.in_use
) /* don't do this if GTK+ is running */
2047 set_x11_icon(icon
); /* x11 */
2049 did_set_icon
= TRUE
;
2055 * Restore the window/icon title.
2056 * "which" is one of:
2057 * 1 only restore title
2058 * 2 only restore icon
2059 * 3 restore title and icon
2062 mch_restore_title(which
)
2065 /* only restore the title or icon when it has been set */
2066 mch_settitle(((which
& 1) && did_set_title
) ?
2067 (oldtitle
? oldtitle
: p_titleold
) : NULL
,
2068 ((which
& 2) && did_set_icon
) ? oldicon
: NULL
);
2071 #endif /* FEAT_TITLE */
2074 * Return TRUE if "name" looks like some xterm name.
2075 * Seiichi Sato mentioned that "mlterm" works like xterm.
2083 return (STRNICMP(name
, "xterm", 5) == 0
2084 || STRNICMP(name
, "nxterm", 6) == 0
2085 || STRNICMP(name
, "kterm", 5) == 0
2086 || STRNICMP(name
, "mlterm", 6) == 0
2087 || STRNICMP(name
, "rxvt", 4) == 0
2088 || STRCMP(name
, "builtin_xterm") == 0);
2091 #if defined(FEAT_MOUSE_XTERM) || defined(PROTO)
2093 * Return TRUE if "name" appears to be that of a terminal
2094 * known to support the xterm-style mouse protocol.
2095 * Relies on term_is_xterm having been set to its correct value.
2098 use_xterm_like_mouse(name
)
2101 return (name
!= NULL
2102 && (term_is_xterm
|| STRNICMP(name
, "screen", 6) == 0));
2106 #if defined(FEAT_MOUSE_TTY) || defined(PROTO)
2108 * Return non-zero when using an xterm mouse, according to 'ttymouse'.
2109 * Return 1 for "xterm".
2110 * Return 2 for "xterm2".
2115 if (ttym_flags
== TTYM_XTERM2
)
2117 if (ttym_flags
== TTYM_XTERM
)
2129 return (STRNICMP(name
, "iris-ansi", 9) == 0
2130 || STRCMP(name
, "builtin_iris-ansi") == 0);
2138 return FALSE
; /* actually all ANSI comp. terminals should be here */
2139 /* catch VT100 - VT5xx */
2140 return ((STRNICMP(name
, "vt", 2) == 0
2141 && vim_strchr((char_u
*)"12345", name
[2]) != NULL
)
2142 || STRCMP(name
, "builtin_vt320") == 0);
2146 * Return TRUE if "name" is a terminal for which 'ttyfast' should be set.
2147 * This should include all windowed terminal emulators.
2150 vim_is_fastterm(name
)
2155 if (vim_is_xterm(name
) || vim_is_vt300(name
) || vim_is_iris(name
))
2157 return ( STRNICMP(name
, "hpterm", 6) == 0
2158 || STRNICMP(name
, "sun-cmd", 7) == 0
2159 || STRNICMP(name
, "screen", 6) == 0
2160 || STRNICMP(name
, "dtterm", 6) == 0);
2164 * Insert user name in s[len].
2165 * Return OK if a name found.
2168 mch_get_user_name(s
, len
)
2173 vim_strncpy(s
, (char_u
*)cuserid(NULL
), len
- 1);
2176 return mch_get_uname(getuid(), s
, len
);
2181 * Insert user name for "uid" in s[len].
2182 * Return OK if a name found.
2185 mch_get_uname(uid
, s
, len
)
2190 #if defined(HAVE_PWD_H) && defined(HAVE_GETPWUID)
2193 if ((pw
= getpwuid(uid
)) != NULL
2194 && pw
->pw_name
!= NULL
&& *(pw
->pw_name
) != NUL
)
2196 vim_strncpy(s
, (char_u
*)pw
->pw_name
, len
- 1);
2200 sprintf((char *)s
, "%d", (int)uid
); /* assumes s is long enough */
2201 return FAIL
; /* a number is not a name */
2205 * Insert host name is s[len].
2208 #ifdef HAVE_SYS_UTSNAME_H
2210 mch_get_host_name(s
, len
)
2214 struct utsname vutsname
;
2216 if (uname(&vutsname
) < 0)
2219 vim_strncpy(s
, (char_u
*)vutsname
.nodename
, len
- 1);
2221 #else /* HAVE_SYS_UTSNAME_H */
2223 # ifdef HAVE_SYS_SYSTEMINFO_H
2224 # define gethostname(nam, len) sysinfo(SI_HOSTNAME, nam, len)
2228 mch_get_host_name(s
, len
)
2233 vaxc$
gethostname((char *)s
, len
);
2235 gethostname((char *)s
, len
);
2237 s
[len
- 1] = NUL
; /* make sure it's terminated */
2239 #endif /* HAVE_SYS_UTSNAME_H */
2247 return (long)getpid();
2250 #if !defined(HAVE_STRERROR) && defined(USE_GETCWD)
2251 static char *strerror
__ARGS((int));
2257 extern int sys_nerr
;
2258 extern char *sys_errlist
[];
2261 if (err
> 0 && err
< sys_nerr
)
2262 return (sys_errlist
[err
]);
2263 sprintf(er
, "Error %d", err
);
2269 * Get name of current directory into buffer 'buf' of length 'len' bytes.
2270 * Return OK for success, FAIL for failure.
2273 mch_dirname(buf
, len
)
2277 #if defined(USE_GETCWD)
2278 if (getcwd((char *)buf
, len
) == NULL
)
2280 STRCPY(buf
, strerror(errno
));
2285 return (getwd((char *)buf
) != NULL
? OK
: FAIL
);
2289 #if defined(OS2) || defined(PROTO)
2291 * Replace all slashes by backslashes.
2292 * When 'shellslash' set do it the other way around.
2308 * Get absolute file name into "buf[len]".
2310 * return FAIL for failure, OK for success
2313 mch_FullName(fname
, buf
, len
, force
)
2314 char_u
*fname
, *buf
;
2316 int force
; /* also expand when already absolute path */
2320 int only_drive
; /* file name is only a drive letter */
2324 static int dont_fchdir
= FALSE
; /* TRUE when fchdir() doesn't work */
2326 char_u olddir
[MAXPATHL
];
2330 char_u posix_fname
[MAXPATHL
]; /* Cygwin docs mention MAX_PATH, but
2331 it's not always defined */
2335 fname
= vms_fixfilename(fname
);
2340 * This helps for when "/etc/hosts" is a symlink to "c:/something/hosts".
2342 # if CYGWIN_VERSION_DLL_MAJOR >= 1007
2343 cygwin_conv_path(CCP_WIN_A_TO_POSIX
, fname
, posix_fname
, MAXPATHL
);
2345 cygwin_conv_to_posix_path(fname
, posix_fname
);
2347 fname
= posix_fname
;
2350 /* expand it if forced or not an absolute path */
2351 if (force
|| !mch_isFullName(fname
))
2354 * If the file name has a path, change to that directory for a moment,
2355 * and then do the getwd() (and get back to where we were).
2356 * This will get the correct path name with "../" things.
2360 if (((p
= vim_strrchr(fname
, '/')) != NULL
)
2361 || ((p
= vim_strrchr(fname
, '\\')) != NULL
)
2362 || (((p
= vim_strchr(fname
, ':')) != NULL
) && ++only_drive
))
2364 if ((p
= vim_strrchr(fname
, '/')) != NULL
)
2369 * Use fchdir() if possible, it's said to be faster and more
2370 * reliable. But on SunOS 4 it might not work. Check this by
2371 * doing a fchdir() right now.
2375 fd
= open(".", O_RDONLY
| O_EXTRA
, 0);
2376 if (fd
>= 0 && fchdir(fd
) < 0)
2380 dont_fchdir
= TRUE
; /* don't try again */
2385 /* Only change directory when we are sure we can return to where
2386 * we are now. After doing "su" chdir(".") might not work. */
2391 (mch_dirname(olddir
, MAXPATHL
) == FAIL
2392 || mch_chdir((char *)olddir
) != 0))
2394 p
= NULL
; /* can't get current dir: don't chdir */
2401 * compensate for case where ':' from "D:" was the only
2402 * path separator detected in the file name; the _next_
2403 * character has to be removed, and then restored later.
2408 /* The directory is copied into buf[], to be able to remove
2409 * the file name without changing it (could be a string in
2410 * read-only memory) */
2411 if (p
- fname
>= len
)
2415 vim_strncpy(buf
, fname
, p
- fname
);
2416 if (mch_chdir((char *)buf
))
2432 if (mch_dirname(buf
, len
) == FAIL
)
2447 l
= mch_chdir((char *)olddir
);
2449 EMSG(_(e_prev_dir
));
2458 if (l
> 0 && buf
[l
- 1] != '/' && *fname
!= NUL
2459 && STRCMP(fname
, ".") != 0)
2465 /* Catch file names which are too long. */
2466 if (retval
== FAIL
|| STRLEN(buf
) + STRLEN(fname
) >= len
)
2469 /* Do not append ".", "/dir/." is equal to "/dir". */
2470 if (STRCMP(fname
, ".") != 0)
2477 * Return TRUE if "fname" does not depend on the current directory.
2480 mch_isFullName(fname
)
2484 return _fnisabs(fname
);
2487 return ( fname
[0] == '/' || fname
[0] == '.' ||
2488 strchr((char *)fname
,':') || strchr((char *)fname
,'"') ||
2489 (strchr((char *)fname
,'[') && strchr((char *)fname
,']'))||
2490 (strchr((char *)fname
,'<') && strchr((char *)fname
,'>')) );
2492 return (*fname
== '/' || *fname
== '~');
2497 #if defined(USE_FNAME_CASE) || defined(PROTO)
2499 * Set the case of the file name, if it already exists. This will cause the
2500 * file name to remain exactly the same.
2501 * Only required for file systems where case is ignored and preserved.
2505 fname_case(name
, len
)
2507 int len
; /* buffer size, only used when name gets longer */
2510 char_u
*slash
, *tail
;
2514 if (lstat((char *)name
, &st
) >= 0)
2516 /* Open the directory where the file is located. */
2517 slash
= vim_strrchr(name
, '/');
2520 dirp
= opendir(".");
2526 dirp
= opendir((char *)name
);
2533 while ((dp
= readdir(dirp
)) != NULL
)
2535 /* Only accept names that differ in case and are the same byte
2536 * length. TODO: accept different length name. */
2537 if (STRICMP(tail
, dp
->d_name
) == 0
2538 && STRLEN(tail
) == STRLEN(dp
->d_name
))
2540 char_u newname
[MAXPATHL
+ 1];
2543 /* Verify the inode is equal. */
2544 vim_strncpy(newname
, name
, MAXPATHL
);
2545 vim_strncpy(newname
+ (tail
- name
), (char_u
*)dp
->d_name
,
2546 MAXPATHL
- (tail
- name
));
2547 if (lstat((char *)newname
, &st2
) >= 0
2548 && st
.st_ino
== st2
.st_ino
2549 && st
.st_dev
== st2
.st_dev
)
2551 STRCPY(tail
, dp
->d_name
);
2564 * Get file permissions for 'name'.
2565 * Returns -1 when it doesn't exist.
2573 /* Keep the #ifdef outside of stat(), it may be a macro. */
2575 if (stat((char *)vms_fixfilename(name
), &statb
))
2577 if (stat((char *)name
, &statb
))
2581 /* The top bit makes the value negative, which means the file doesn't
2582 * exist. Remove the bit, we don't use it. */
2583 return statb
.st_mode
& ~S_ADDACE
;
2585 return statb
.st_mode
;
2590 * set file permission for 'name' to 'perm'
2592 * return FAIL for failure, OK otherwise
2595 mch_setperm(name
, perm
)
2599 return (chmod((char *)
2601 vms_fixfilename(name
),
2605 (mode_t
)perm
) == 0 ? OK
: FAIL
);
2608 #if defined(HAVE_ACL) || defined(PROTO)
2609 # ifdef HAVE_SYS_ACL_H
2610 # include <sys/acl.h>
2612 # ifdef HAVE_SYS_ACCESS_H
2613 # include <sys/access.h>
2616 # ifdef HAVE_SOLARIS_ACL
2617 typedef struct vim_acl_solaris_T
{
2619 aclent_t
*acl_entry
;
2620 } vim_acl_solaris_T
;
2623 #if defined(HAVE_SELINUX) || defined(PROTO)
2625 * Copy security info from "from_file" to "to_file".
2628 mch_copy_sec(from_file
, to_file
)
2632 if (from_file
== NULL
)
2635 if (selinux_enabled
== -1)
2636 selinux_enabled
= is_selinux_enabled();
2638 if (selinux_enabled
> 0)
2640 security_context_t from_context
= NULL
;
2641 security_context_t to_context
= NULL
;
2643 if (getfilecon((char *)from_file
, &from_context
) < 0)
2645 /* If the filesystem doesn't support extended attributes,
2646 the original had no special security context and the
2647 target cannot have one either. */
2648 if (errno
== EOPNOTSUPP
)
2651 MSG_PUTS(_("\nCould not get security context for "));
2652 msg_outtrans(from_file
);
2656 if (getfilecon((char *)to_file
, &to_context
) < 0)
2658 MSG_PUTS(_("\nCould not get security context for "));
2659 msg_outtrans(to_file
);
2661 freecon (from_context
);
2664 if (strcmp(from_context
, to_context
) != 0)
2666 if (setfilecon((char *)to_file
, from_context
) < 0)
2668 MSG_PUTS(_("\nCould not set security context for "));
2669 msg_outtrans(to_file
);
2673 freecon(to_context
);
2674 freecon(from_context
);
2677 #endif /* HAVE_SELINUX */
2680 * Return a pointer to the ACL of file "fname" in allocated memory.
2681 * Return NULL if the ACL is not available for whatever reason.
2687 vim_acl_T ret
= NULL
;
2688 #ifdef HAVE_POSIX_ACL
2689 ret
= (vim_acl_T
)acl_get_file((char *)fname
, ACL_TYPE_ACCESS
);
2691 #ifdef HAVE_SOLARIS_ACL
2692 vim_acl_solaris_T
*aclent
;
2694 aclent
= malloc(sizeof(vim_acl_solaris_T
));
2695 if ((aclent
->acl_cnt
= acl((char *)fname
, GETACLCNT
, 0, NULL
)) < 0)
2700 aclent
->acl_entry
= malloc(aclent
->acl_cnt
* sizeof(aclent_t
));
2701 if (acl((char *)fname
, GETACL
, aclent
->acl_cnt
, aclent
->acl_entry
) < 0)
2703 free(aclent
->acl_entry
);
2707 ret
= (vim_acl_T
)aclent
;
2709 #if defined(HAVE_AIX_ACL)
2713 aclsize
= sizeof(struct acl
);
2714 aclent
= malloc(aclsize
);
2715 if (statacl((char *)fname
, STX_NORMAL
, aclent
, aclsize
) < 0)
2717 if (errno
== ENOSPC
)
2719 aclsize
= aclent
->acl_len
;
2720 aclent
= realloc(aclent
, aclsize
);
2721 if (statacl((char *)fname
, STX_NORMAL
, aclent
, aclsize
) < 0)
2733 ret
= (vim_acl_T
)aclent
;
2734 #endif /* HAVE_AIX_ACL */
2735 #endif /* HAVE_SOLARIS_ACL */
2736 #endif /* HAVE_POSIX_ACL */
2741 * Set the ACL of file "fname" to "acl" (unless it's NULL).
2744 mch_set_acl(fname
, aclent
)
2750 #ifdef HAVE_POSIX_ACL
2751 acl_set_file((char *)fname
, ACL_TYPE_ACCESS
, (acl_t
)aclent
);
2753 #ifdef HAVE_SOLARIS_ACL
2754 acl((char *)fname
, SETACL
, ((vim_acl_solaris_T
*)aclent
)->acl_cnt
,
2755 ((vim_acl_solaris_T
*)aclent
)->acl_entry
);
2758 chacl((char *)fname
, aclent
, ((struct acl
*)aclent
)->acl_len
);
2759 #endif /* HAVE_AIX_ACL */
2760 #endif /* HAVE_SOLARIS_ACL */
2761 #endif /* HAVE_POSIX_ACL */
2765 mch_free_acl(aclent
)
2770 #ifdef HAVE_POSIX_ACL
2771 acl_free((acl_t
)aclent
);
2773 #ifdef HAVE_SOLARIS_ACL
2774 free(((vim_acl_solaris_T
*)aclent
)->acl_entry
);
2779 #endif /* HAVE_AIX_ACL */
2780 #endif /* HAVE_SOLARIS_ACL */
2781 #endif /* HAVE_POSIX_ACL */
2786 * Set hidden flag for "name".
2793 /* can't hide a file */
2797 * return TRUE if "name" is a directory
2798 * return FALSE if "name" is not a directory
2799 * return FALSE for error
2807 if (*name
== NUL
) /* Some stat()s don't flag "" as an error. */
2809 if (stat((char *)name
, &statb
))
2811 #ifdef _POSIX_SOURCE
2812 return (S_ISDIR(statb
.st_mode
) ? TRUE
: FALSE
);
2814 return ((statb
.st_mode
& S_IFMT
) == S_IFDIR
? TRUE
: FALSE
);
2818 static int executable_file
__ARGS((char_u
*name
));
2821 * Return 1 if "name" is an executable file, 0 if not or it doesn't exist.
2824 executable_file(name
)
2829 if (stat((char *)name
, &st
))
2831 return S_ISREG(st
.st_mode
) && mch_access((char *)name
, X_OK
) == 0;
2835 * Return 1 if "name" can be found in $PATH and executed, 0 if not.
2836 * Return -1 if unknown.
2846 /* If it's an absolute or relative path don't need to use $PATH. */
2847 if (mch_isFullName(name
) || (name
[0] == '.' && (name
[1] == '/'
2848 || (name
[1] == '.' && name
[2] == '/'))))
2849 return executable_file(name
);
2851 p
= (char_u
*)getenv("PATH");
2852 if (p
== NULL
|| *p
== NUL
)
2854 buf
= alloc((unsigned)(STRLEN(name
) + STRLEN(p
) + 2));
2859 * Walk through all entries in $PATH to check if "name" exists there and
2860 * is an executable file.
2864 e
= (char_u
*)strchr((char *)p
, ':');
2867 if (e
- p
<= 1) /* empty entry means current dir */
2871 vim_strncpy(buf
, p
, e
- p
);
2875 retval
= executable_file(buf
);
2889 * Check what "name" is:
2890 * NODE_NORMAL: file or directory (or doesn't exist)
2891 * NODE_WRITABLE: writable device, socket, fifo, etc.
2892 * NODE_OTHER: non-writable things
2900 if (stat((char *)name
, &st
))
2902 if (S_ISREG(st
.st_mode
) || S_ISDIR(st
.st_mode
))
2905 if (S_ISBLK(st
.st_mode
)) /* block device isn't writable */
2908 /* Everything else is writable? */
2909 return NODE_WRITABLE
;
2915 #ifdef HAVE_CHECK_STACK_GROWTH
2918 check_stack_growth((char *)&i
);
2920 # ifdef HAVE_STACK_LIMIT
2927 * Setup an alternative stack for signals. Helps to catch signals when
2928 * running out of stack space.
2929 * Use of sigaltstack() is preferred, it's more portable.
2930 * Ignore any errors.
2932 #if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK)
2933 signal_stack
= (char *)alloc(SIGSTKSZ
);
2934 init_signal_stack();
2938 #if defined(EXITFREE) || defined(PROTO)
2942 # if defined(FEAT_CLIPBOARD) && defined(FEAT_X11)
2943 if (clip_star
.owned
)
2944 clip_lose_selection(&clip_star
);
2945 if (clip_plus
.owned
)
2946 clip_lose_selection(&clip_plus
);
2948 # if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)
2949 if (xterm_Shell
!= (Widget
)0)
2950 XtDestroyWidget(xterm_Shell
);
2951 # ifndef LESSTIF_VERSION
2952 /* Lesstif crashes here, lose some memory */
2953 if (xterm_dpy
!= NULL
)
2954 XtCloseDisplay(xterm_dpy
);
2955 if (app_context
!= (XtAppContext
)NULL
)
2957 XtDestroyApplicationContext(app_context
);
2959 x11_display
= NULL
; /* freed by XtDestroyApplicationContext() */
2964 /* Don't close the display for GTK 1, it is done in exit(). */
2965 # if defined(FEAT_X11) && (!defined(FEAT_GUI_GTK) || defined(HAVE_GTK2))
2966 if (x11_display
!= NULL
2967 # ifdef FEAT_XCLIPBOARD
2968 && x11_display
!= xterm_dpy
2971 XCloseDisplay(x11_display
);
2973 # if defined(HAVE_SIGALTSTACK) || defined(HAVE_SIGSTACK)
2974 vim_free(signal_stack
);
2975 signal_stack
= NULL
;
2984 static void exit_scroll
__ARGS((void));
2987 * Output a newline when exiting.
2988 * Make sure the newline goes to the same stream as the text.
2995 if (newline_on_exit
|| msg_didout
)
2997 if (msg_use_printf())
3009 restore_cterm_colors(); /* get original colors back */
3010 msg_clr_eos_force(); /* clear the rest of the display */
3011 windgoto((int)Rows
- 1, 0); /* may have moved the cursor */
3021 #if defined(FEAT_X11) && defined(FEAT_CLIPBOARD)
3022 x11_export_final_selection();
3029 settmode(TMODE_COOK
);
3031 mch_restore_title(3); /* restore xterm title and icon name */
3034 * When t_ti is not empty but it doesn't cause swapping terminal
3035 * pages, need to output a newline when msg_didout is set. But when
3036 * t_ti does swap pages it should not go to the shell page. Do this
3037 * before stoptermcap().
3039 if (swapping_screen() && !newline_on_exit
)
3042 /* Stop termcap: May need to check for T_CRV response, which
3043 * requires RAW mode. */
3047 * A newline is only required after a message in the alternate screen.
3048 * This is set to TRUE by wait_return().
3050 if (!swapping_screen() || newline_on_exit
)
3053 /* Cursor may have been switched off without calling starttermcap()
3054 * when doing "vim -u vimrc" and vimrc contains ":q". */
3059 ml_close_all(TRUE
); /* remove all memfiles */
3066 #ifdef MACOS_CONVERT
3071 /* A core dump won't be created if the signal handler
3072 * doesn't return, so we can't call exit() */
3073 if (deadly_signal
!= 0)
3077 #ifdef FEAT_NETBEANS_INTG
3079 netbeans_send_disconnect();
3092 if (deadly_signal
!= 0)
3094 signal(deadly_signal
, SIG_DFL
);
3095 kill(getpid(), deadly_signal
); /* Die using the signal we caught */
3105 static int first
= TRUE
;
3107 /* Why is NeXT excluded here (and not in os_unixx.h)? */
3108 #if defined(ECHOE) && defined(ICANON) && (defined(HAVE_TERMIO_H) || defined(HAVE_TERMIOS_H)) && !defined(__NeXT__)
3110 * for "new" tty systems
3112 # ifdef HAVE_TERMIOS_H
3113 static struct termios told
;
3114 struct termios tnew
;
3116 static struct termio told
;
3123 # if defined(HAVE_TERMIOS_H)
3124 tcgetattr(read_cmd_fd
, &told
);
3126 ioctl(read_cmd_fd
, TCGETA
, &told
);
3131 if (tmode
== TMODE_RAW
)
3134 * ~ICRNL enables typing ^V^M
3136 tnew
.c_iflag
&= ~ICRNL
;
3137 tnew
.c_lflag
&= ~(ICANON
| ECHO
| ISIG
| ECHOE
3138 # if defined(IEXTEN) && !defined(__MINT__)
3139 | IEXTEN
/* IEXTEN enables typing ^V on SOLARIS */
3140 /* but it breaks function keys on MINT */
3143 # ifdef ONLCR /* don't map NL -> CR NL, we do it ourselves */
3144 tnew
.c_oflag
&= ~ONLCR
;
3146 tnew
.c_cc
[VMIN
] = 1; /* return after 1 char */
3147 tnew
.c_cc
[VTIME
] = 0; /* don't wait */
3149 else if (tmode
== TMODE_SLEEP
)
3150 tnew
.c_lflag
&= ~(ECHO
);
3152 # if defined(HAVE_TERMIOS_H)
3156 /* A signal may cause tcsetattr() to fail (e.g., SIGCONT). Retry a
3158 while (tcsetattr(read_cmd_fd
, TCSANOW
, &tnew
) == -1
3159 && errno
== EINTR
&& n
> 0)
3163 ioctl(read_cmd_fd
, TCSETA
, &tnew
);
3169 * for "old" tty systems
3172 # define TIOCSETN TIOCSETP /* for hpux 9.0 */
3174 static struct sgttyb ttybold
;
3175 struct sgttyb ttybnew
;
3180 ioctl(read_cmd_fd
, TIOCGETP
, &ttybold
);
3184 if (tmode
== TMODE_RAW
)
3186 ttybnew
.sg_flags
&= ~(CRMOD
| ECHO
);
3187 ttybnew
.sg_flags
|= RAW
;
3189 else if (tmode
== TMODE_SLEEP
)
3190 ttybnew
.sg_flags
&= ~(ECHO
);
3191 ioctl(read_cmd_fd
, TIOCSETN
, &ttybnew
);
3197 * Try to get the code for "t_kb" from the stty setting
3199 * Even if termcap claims a backspace key, the user's setting *should*
3200 * prevail. stty knows more about reality than termcap does, and if
3201 * somebody's usual erase key is DEL (which, for most BSD users, it will
3202 * be), they're going to get really annoyed if their erase key starts
3203 * doing forward deletes for no reason. (Eric Fischer)
3211 /* Why is NeXT excluded here (and not in os_unixx.h)? */
3212 #if defined(ECHOE) && defined(ICANON) && (defined(HAVE_TERMIO_H) || defined(HAVE_TERMIOS_H)) && !defined(__NeXT__)
3213 /* for "new" tty systems */
3214 # ifdef HAVE_TERMIOS_H
3215 struct termios keys
;
3220 # if defined(HAVE_TERMIOS_H)
3221 if (tcgetattr(read_cmd_fd
, &keys
) != -1)
3223 if (ioctl(read_cmd_fd
, TCGETA
, &keys
) != -1)
3226 buf
[0] = keys
.c_cc
[VERASE
];
3227 intr_char
= keys
.c_cc
[VINTR
];
3229 /* for "old" tty systems */
3232 if (ioctl(read_cmd_fd
, TIOCGETP
, &keys
) != -1)
3234 buf
[0] = keys
.sg_erase
;
3235 intr_char
= keys
.sg_kill
;
3238 add_termcode((char_u
*)"kb", buf
, FALSE
);
3241 * If <BS> and <DEL> are now the same, redefine <DEL>.
3243 p
= find_termcode((char_u
*)"kD");
3244 if (p
!= NULL
&& p
[0] == buf
[0] && p
[1] == buf
[1])
3248 } /* to keep cindent happy */
3254 #if defined(FEAT_MOUSE_TTY) || defined(PROTO)
3256 * Set mouse clicks on or off.
3262 static int ison
= FALSE
;
3263 int xterm_mouse_vers
;
3265 if (on
== ison
) /* return quickly if nothing to do */
3268 xterm_mouse_vers
= use_xterm_mouse();
3269 if (xterm_mouse_vers
> 0)
3271 if (on
) /* enable mouse events, use mouse tracking if available */
3272 out_str_nf((char_u
*)
3273 (xterm_mouse_vers
> 1
3274 ? IF_EB("\033[?1002h", ESC_STR
"[?1002h")
3275 : IF_EB("\033[?1000h", ESC_STR
"[?1000h")));
3276 else /* disable mouse events, could probably always send the same */
3277 out_str_nf((char_u
*)
3278 (xterm_mouse_vers
> 1
3279 ? IF_EB("\033[?1002l", ESC_STR
"[?1002l")
3280 : IF_EB("\033[?1000l", ESC_STR
"[?1000l")));
3284 # ifdef FEAT_MOUSE_DEC
3285 else if (ttym_flags
== TTYM_DEC
)
3287 if (on
) /* enable mouse events */
3288 out_str_nf((char_u
*)"\033[1;2'z\033[1;3'{");
3289 else /* disable mouse events */
3290 out_str_nf((char_u
*)"\033['z");
3295 # ifdef FEAT_MOUSE_GPM
3311 # ifdef FEAT_SYSMOUSE
3316 if (sysmouse_open() == OK
)
3327 # ifdef FEAT_MOUSE_JSB
3332 /* D - Enable Mouse up/down messages
3333 * L - Enable Left Button Reporting
3334 * M - Enable Middle Button Reporting
3335 * R - Enable Right Button Reporting
3336 * K - Enable SHIFT and CTRL key Reporting
3337 * + - Enable Advanced messaging of mouse moves and up/down messages
3339 * # - Numeric value of mouse pointer required
3340 * 0 = Multiview 2000 cursor, used as standard
3342 * 2 = Windows I Beam
3343 * 3 = Windows Hour Glass
3344 * 4 = Windows Cross Hair
3345 * 5 = Windows UP Arrow
3347 #ifdef JSBTERM_MOUSE_NONADVANCED /* Disables full feedback of pointer movements */
3348 out_str_nf((char_u
*)IF_EB("\033[0~ZwLMRK1Q\033\\",
3349 ESC_STR
"[0~ZwLMRK1Q" ESC_STR
"\\"));
3351 out_str_nf((char_u
*)IF_EB("\033[0~ZwLMRK+1Q\033\\",
3352 ESC_STR
"[0~ZwLMRK+1Q" ESC_STR
"\\"));
3358 out_str_nf((char_u
*)IF_EB("\033[0~ZwQ\033\\",
3359 ESC_STR
"[0~ZwQ" ESC_STR
"\\"));
3364 # ifdef FEAT_MOUSE_PTERM
3367 /* 1 = button press, 6 = release, 7 = drag, 1h...9l = right button */
3369 out_str_nf("\033[>1h\033[>6h\033[>7h\033[>1h\033[>9l");
3371 out_str_nf("\033[>1l\033[>6l\033[>7l\033[>1l\033[>9h");
3378 * Set the mouse termcode, depending on the 'term' and 'ttymouse' options.
3381 check_mouse_termcode()
3383 # ifdef FEAT_MOUSE_XTERM
3384 if (use_xterm_mouse()
3390 set_mouse_termcode(KS_MOUSE
, (char_u
*)(term_is_8bit(T_NAME
)
3391 ? IF_EB("\233M", CSI_STR
"M")
3392 : IF_EB("\033[M", ESC_STR
"[M")));
3393 if (*p_mouse
!= NUL
)
3395 /* force mouse off and maybe on to send possibly new mouse
3396 * activation sequence to the xterm, with(out) drag tracing. */
3397 mch_setmouse(FALSE
);
3402 del_mouse_termcode(KS_MOUSE
);
3405 # ifdef FEAT_MOUSE_GPM
3406 if (!use_xterm_mouse()
3411 set_mouse_termcode(KS_MOUSE
, (char_u
*)IF_EB("\033MG", ESC_STR
"MG"));
3414 # ifdef FEAT_SYSMOUSE
3415 if (!use_xterm_mouse()
3420 set_mouse_termcode(KS_MOUSE
, (char_u
*)IF_EB("\033MS", ESC_STR
"MS"));
3423 # ifdef FEAT_MOUSE_JSB
3424 /* conflicts with xterm mouse: "\033[" and "\033[M" ??? */
3425 if (!use_xterm_mouse()
3430 set_mouse_termcode(KS_JSBTERM_MOUSE
,
3431 (char_u
*)IF_EB("\033[0~zw", ESC_STR
"[0~zw"));
3433 del_mouse_termcode(KS_JSBTERM_MOUSE
);
3436 # ifdef FEAT_MOUSE_NET
3437 /* There is no conflict, but one may type "ESC }" from Insert mode. Don't
3438 * define it in the GUI or when using an xterm. */
3439 if (!use_xterm_mouse()
3444 set_mouse_termcode(KS_NETTERM_MOUSE
,
3445 (char_u
*)IF_EB("\033}", ESC_STR
"}"));
3447 del_mouse_termcode(KS_NETTERM_MOUSE
);
3450 # ifdef FEAT_MOUSE_DEC
3451 /* conflicts with xterm mouse: "\033[" and "\033[M" */
3452 if (!use_xterm_mouse()
3457 set_mouse_termcode(KS_DEC_MOUSE
, (char_u
*)(term_is_8bit(T_NAME
)
3458 ? IF_EB("\233", CSI_STR
) : IF_EB("\033[", ESC_STR
"[")));
3460 del_mouse_termcode(KS_DEC_MOUSE
);
3462 # ifdef FEAT_MOUSE_PTERM
3463 /* same as the dec mouse */
3464 if (!use_xterm_mouse()
3469 set_mouse_termcode(KS_PTERM_MOUSE
,
3470 (char_u
*) IF_EB("\033[", ESC_STR
"["));
3472 del_mouse_termcode(KS_PTERM_MOUSE
);
3478 * set screen mode, always fails.
3485 EMSG(_(e_screenmode
));
3492 * Try to get the current window size:
3493 * 1. with an ioctl(), most accurate method
3494 * 2. from the environment variables LINES and COLUMNS
3495 * 3. from the termcap
3496 * 4. keep using the old values
3497 * Return OK when size could be determined, FAIL otherwise.
3507 * For OS/2 use _scrsize().
3520 * 1. try using an ioctl. It is the most accurate method.
3522 * Try using TIOCGWINSZ first, some systems that have it also define
3523 * TIOCGSIZE but don't have a struct ttysize.
3530 /* When stdout is not a tty, use stdin for the ioctl(). */
3531 if (!isatty(fd
) && isatty(read_cmd_fd
))
3533 if (ioctl(fd
, TIOCGWINSZ
, &ws
) == 0)
3535 columns
= ws
.ws_col
;
3539 # else /* TIOCGWINSZ */
3545 /* When stdout is not a tty, use stdin for the ioctl(). */
3546 if (!isatty(fd
) && isatty(read_cmd_fd
))
3548 if (ioctl(fd
, TIOCGSIZE
, &ts
) == 0)
3550 columns
= ts
.ts_cols
;
3554 # endif /* TIOCGSIZE */
3555 # endif /* TIOCGWINSZ */
3558 * 2. get size from environment
3559 * When being POSIX compliant ('|' flag in 'cpoptions') this overrules
3560 * the ioctl() values!
3562 if (columns
== 0 || rows
== 0 || vim_strchr(p_cpo
, CPO_TSIZE
) != NULL
)
3564 if ((p
= (char_u
*)getenv("LINES")))
3565 rows
= atoi((char *)p
);
3566 if ((p
= (char_u
*)getenv("COLUMNS")))
3567 columns
= atoi((char *)p
);
3572 * 3. try reading "co" and "li" entries from termcap
3574 if (columns
== 0 || rows
== 0)
3575 getlinecol(&columns
, &rows
);
3579 * 4. If everything fails, use the old values
3581 if (columns
<= 0 || rows
<= 0)
3590 * Try to set the window size to Rows and Columns.
3598 * NOTE: if you get an error here that term_set_winsize() is
3599 * undefined, check the output of configure. It could probably not
3600 * find a ncurses, termcap or termlib library.
3602 term_set_winsize((int)Rows
, (int)Columns
);
3604 screen_start(); /* don't know where cursor is now */
3611 * Rows and/or Columns has changed.
3616 /* Nothing to do. */
3620 static void append_ga_line
__ARGS((garray_T
*gap
));
3623 * Append the text in "gap" below the cursor line and clear "gap".
3629 /* Remove trailing CR. */
3632 && ((char_u
*)gap
->ga_data
)[gap
->ga_len
- 1] == CAR
)
3634 ga_append(gap
, NUL
);
3635 ml_append(curwin
->w_cursor
.lnum
++, gap
->ga_data
, 0, FALSE
);
3641 mch_call_shell(cmd
, options
)
3643 int options
; /* SHELL_*, see vim.h */
3649 int tmode
= cur_tmode
;
3650 #ifdef USE_SYSTEM /* use system() to start the shell: simple but slow */
3653 char_u
*newcmd
; /* only needed for unix */
3656 * Set the preferred shell in the EMXSHELL environment variable (but
3657 * only if it is different from what is already in the environment).
3658 * Emx then takes care of whether to use "/c" or "-c" in an
3659 * intelligent way. Simply pass the whole thing to emx's system() call.
3660 * Emx also starts an interactive shell if system() is passed an empty
3665 if (((old
= (char_u
*)getenv("EMXSHELL")) == NULL
) || STRCMP(old
, p_sh
))
3667 /* should check HAVE_SETENV, but I know we don't have it. */
3668 p
= alloc(10 + strlen(p_sh
));
3671 sprintf((char *)p
, "EMXSHELL=%s", p_sh
);
3672 putenv((char *)p
); /* don't free the pointer! */
3679 if (options
& SHELL_COOKED
)
3680 settmode(TMODE_COOK
); /* set to normal mode */
3684 x
= system(""); /* this starts an interactive shell in emx */
3686 x
= system((char *)cmd
);
3687 /* system() returns -1 when error occurs in starting shell */
3688 if (x
== -1 && !emsg_silent
)
3690 MSG_PUTS(_("\nCannot execute shell "));
3694 # else /* not __EMX__ */
3696 x
= system((char *)p_sh
);
3700 if (ofn
= strchr((char *)cmd
, '>'))
3702 if (ifn
= strchr((char *)cmd
, '<'))
3707 p
= strchr(ifn
,' '); /* chop off any trailing spaces */
3712 x
= vms_sys((char *)cmd
, ofn
, ifn
);
3714 x
= system((char *)cmd
);
3716 newcmd
= lalloc(STRLEN(p_sh
)
3717 + (extra_shell_arg
== NULL
? 0 : STRLEN(extra_shell_arg
))
3718 + STRLEN(p_shcf
) + STRLEN(cmd
) + 4, TRUE
);
3723 sprintf((char *)newcmd
, "%s %s %s %s", p_sh
,
3724 extra_shell_arg
== NULL
? "" : (char *)extra_shell_arg
,
3727 x
= system((char *)newcmd
);
3733 x
= vms_sys_status(x
);
3738 MSG_PUTS(_("\nCannot execute shell sh\n"));
3739 # endif /* __EMX__ */
3740 else if (x
&& !(options
& SHELL_SILENT
))
3742 MSG_PUTS(_("\nshell returned "));
3743 msg_outnum((long)x
);
3747 if (tmode
== TMODE_RAW
)
3748 settmode(TMODE_RAW
); /* set to raw mode */
3754 #else /* USE_SYSTEM */ /* don't use system(), use fork()/exec() */
3756 # define EXEC_FAILED 122 /* Exit code when shell didn't execute. Don't use
3757 127, some shells use that already */
3759 char_u
*newcmd
= NULL
;
3763 # ifdef HAVE_UNION_WAIT
3774 int pty_master_fd
= -1; /* for pty's */
3776 int pty_slave_fd
= -1;
3779 int fd_toshell
[2]; /* for pipes */
3780 int fd_fromshell
[2];
3781 int pipe_error
= FALSE
;
3785 static char envbuf_Rows
[20];
3786 static char envbuf_Columns
[20];
3788 int did_settmode
= FALSE
; /* settmode(TMODE_RAW) called */
3791 if (options
& SHELL_COOKED
)
3792 settmode(TMODE_COOK
); /* set to normal mode */
3794 newcmd
= vim_strsave(p_sh
);
3795 if (newcmd
== NULL
) /* out of memory */
3799 * Do this loop twice:
3800 * 1: find number of arguments
3801 * 2: separate them and build argv[]
3803 for (i
= 0; i
< 2; ++i
)
3811 argv
[argc
] = (char *)p
;
3813 while (*p
&& (inquote
|| (*p
!= ' ' && *p
!= TAB
)))
3827 argv
= (char **)alloc((unsigned)((argc
+ 4) * sizeof(char *)));
3828 if (argv
== NULL
) /* out of memory */
3834 if (extra_shell_arg
!= NULL
)
3835 argv
[argc
++] = (char *)extra_shell_arg
;
3836 argv
[argc
++] = (char *)p_shcf
;
3837 argv
[argc
++] = (char *)cmd
;
3842 * For the GUI, when writing the output into the buffer and when reading
3843 * input from the buffer: Try using a pseudo-tty to get the stdin/stdout
3844 * of the executed command into the Vim window. Or use a pipe.
3846 if ((options
& (SHELL_READ
|SHELL_WRITE
))
3848 || (gui
.in_use
&& show_shell_mess
)
3854 * Try to open a master pty.
3855 * If this works, open the slave pty.
3856 * If the slave can't be opened, close the master pty.
3858 if (p_guipty
&& !(options
& (SHELL_READ
|SHELL_WRITE
)))
3860 pty_master_fd
= OpenPTY(&tty_name
); /* open pty */
3861 if (pty_master_fd
>= 0 && ((pty_slave_fd
=
3862 open(tty_name
, O_RDWR
| O_EXTRA
, 0)) < 0))
3864 close(pty_master_fd
);
3869 * If not opening a pty or it didn't work, try using pipes.
3871 if (pty_master_fd
< 0)
3874 pipe_error
= (pipe(fd_toshell
) < 0);
3875 if (!pipe_error
) /* pipe create OK */
3877 pipe_error
= (pipe(fd_fromshell
) < 0);
3878 if (pipe_error
) /* pipe create failed */
3880 close(fd_toshell
[0]);
3881 close(fd_toshell
[1]);
3886 MSG_PUTS(_("\nCannot create pipes\n"));
3892 if (!pipe_error
) /* pty or pipe opened or not used */
3895 beos_cleanup_read_thread();
3898 if ((pid
= fork()) == -1) /* maybe we should use vfork() */
3900 MSG_PUTS(_("\nCannot fork\n"));
3901 if ((options
& (SHELL_READ
|SHELL_WRITE
))
3903 || (gui
.in_use
&& show_shell_mess
)
3908 if (pty_master_fd
>= 0) /* close the pseudo tty */
3910 close(pty_master_fd
);
3911 close(pty_slave_fd
);
3913 else /* close the pipes */
3916 close(fd_toshell
[0]);
3917 close(fd_toshell
[1]);
3918 close(fd_fromshell
[0]);
3919 close(fd_fromshell
[1]);
3923 else if (pid
== 0) /* child */
3925 reset_signals(); /* handle signals normally */
3927 if (!show_shell_mess
|| (options
& SHELL_EXPAND
))
3932 * Don't want to show any message from the shell. Can't just
3933 * close stdout and stderr though, because some systems will
3934 * break if you try to write to them after that, so we must
3935 * use dup() to replace them with something else -- webb
3936 * Connect stdin to /dev/null too, so ":n `cat`" doesn't hang,
3937 * waiting for input.
3939 fd
= open("/dev/null", O_RDWR
| O_EXTRA
, 0);
3945 * If any of these open()'s and dup()'s fail, we just continue
3946 * anyway. It's not fatal, and on most systems it will make
3947 * no difference at all. On a few it will cause the execvp()
3948 * to exit with a non-zero status even when the completion
3949 * could be done, which is nothing too serious. If the open()
3950 * or dup() failed we'd just do the same thing ourselves
3955 ignored
= dup(fd
); /* To replace stdin (fd 0) */
3956 ignored
= dup(fd
); /* To replace stdout (fd 1) */
3957 ignored
= dup(fd
); /* To replace stderr (fd 2) */
3959 /* Don't need this now that we've duplicated it */
3963 else if ((options
& (SHELL_READ
|SHELL_WRITE
))
3971 /* Create our own process group, so that the child and all its
3972 * children can be kill()ed. Don't do this when using pipes,
3973 * because stdin is not a tty, we would lose /dev/tty. */
3977 # if defined(SIGHUP)
3978 /* When doing "!xterm&" and 'shell' is bash: the shell
3979 * will exit and send SIGHUP to all processes in its
3980 * group, killing the just started process. Ignore SIGHUP
3981 * to avoid that. (suggested by Simon Schubert)
3983 signal(SIGHUP
, SIG_IGN
);
3988 if (pty_slave_fd
>= 0)
3990 /* push stream discipline modules */
3991 if (options
& SHELL_COOKED
)
3992 SetupSlavePTY(pty_slave_fd
);
3994 /* Try to become controlling tty (probably doesn't work,
3995 * unless run by root) */
3996 ioctl(pty_slave_fd
, TIOCSCTTY
, (char *)NULL
);
4000 /* Simulate to have a dumb terminal (for now) */
4002 setenv("TERM", "dumb", 1);
4003 sprintf((char *)envbuf
, "%ld", Rows
);
4004 setenv("ROWS", (char *)envbuf
, 1);
4005 sprintf((char *)envbuf
, "%ld", Rows
);
4006 setenv("LINES", (char *)envbuf
, 1);
4007 sprintf((char *)envbuf
, "%ld", Columns
);
4008 setenv("COLUMNS", (char *)envbuf
, 1);
4011 * Putenv does not copy the string, it has to remain valid.
4012 * Use a static array to avoid losing allocated memory.
4014 putenv("TERM=dumb");
4015 sprintf(envbuf_Rows
, "ROWS=%ld", Rows
);
4016 putenv(envbuf_Rows
);
4017 sprintf(envbuf_Rows
, "LINES=%ld", Rows
);
4018 putenv(envbuf_Rows
);
4019 sprintf(envbuf_Columns
, "COLUMNS=%ld", Columns
);
4020 putenv(envbuf_Columns
);
4024 * stderr is only redirected when using the GUI, so that a
4025 * program like gpg can still access the terminal to get a
4026 * passphrase using stderr.
4029 if (pty_master_fd
>= 0)
4031 close(pty_master_fd
); /* close master side of pty */
4033 /* set up stdin/stdout/stderr for the child */
4035 ignored
= dup(pty_slave_fd
);
4037 ignored
= dup(pty_slave_fd
);
4041 ignored
= dup(pty_slave_fd
);
4044 close(pty_slave_fd
); /* has been dupped, close it now */
4049 /* set up stdin for the child */
4050 close(fd_toshell
[1]);
4052 ignored
= dup(fd_toshell
[0]);
4053 close(fd_toshell
[0]);
4055 /* set up stdout for the child */
4056 close(fd_fromshell
[0]);
4058 ignored
= dup(fd_fromshell
[1]);
4059 close(fd_fromshell
[1]);
4064 /* set up stderr for the child */
4073 * There is no type cast for the argv, because the type may be
4074 * different on different machines. This may cause a warning
4075 * message with strict compilers, don't worry about it.
4076 * Call _exit() instead of exit() to avoid closing the connection
4077 * to the X server (esp. with GTK, which uses atexit()).
4079 execvp(argv
[0], argv
);
4080 _exit(EXEC_FAILED
); /* exec failed, return failure code */
4085 * While child is running, ignore terminating signals.
4086 * Do catch CTRL-C, so that "got_int" is set.
4088 catch_signals(SIG_IGN
, SIG_ERR
);
4092 * For the GUI we redirect stdin, stdout and stderr to our window.
4093 * This is also used to pipe stdin/stdout to/from the external
4096 if ((options
& (SHELL_READ
|SHELL_WRITE
))
4098 || (gui
.in_use
&& show_shell_mess
)
4102 # define BUFLEN 100 /* length for buffer, pseudo tty limit is 128 */
4103 char_u buffer
[BUFLEN
+ 1];
4105 int buffer_off
= 0; /* valid bytes in buffer[] */
4107 char_u ta_buf
[BUFLEN
+ 1]; /* TypeAHead */
4108 int ta_len
= 0; /* valid bytes in ta_buf[] */
4117 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H)
4118 struct timeval start_tv
;
4122 if (pty_master_fd
>= 0)
4124 close(pty_slave_fd
); /* close slave side of pty */
4125 fromshell_fd
= pty_master_fd
;
4126 toshell_fd
= dup(pty_master_fd
);
4131 close(fd_toshell
[0]);
4132 close(fd_fromshell
[1]);
4133 toshell_fd
= fd_toshell
[1];
4134 fromshell_fd
= fd_fromshell
[0];
4138 * Write to the child if there are typed characters.
4139 * Read from the child if there are characters available.
4140 * Repeat the reading a few times if more characters are
4141 * available. Need to check for typed keys now and then, but
4142 * not too often (delays when no chars are available).
4143 * This loop is quit if no characters can be read from the pty
4144 * (WaitForChar detected special condition), or there are no
4145 * characters available and the child has exited.
4146 * Only check if the child has exited when there is no more
4147 * output. The child may exit before all the output has
4150 * Currently this busy loops!
4151 * This can probably dead-lock when the write blocks!
4153 p_more_save
= p_more
;
4156 State
= EXTERNCMD
; /* don't redraw at window resize */
4158 if ((options
& SHELL_WRITE
) && toshell_fd
>= 0)
4160 /* Fork a process that will write the lines to the
4161 * external program. */
4162 if ((wpid
= fork()) == -1)
4164 MSG_PUTS(_("\nCannot fork\n"));
4168 linenr_T lnum
= curbuf
->b_op_start
.lnum
;
4170 char_u
*lp
= ml_get(lnum
);
4175 close(fromshell_fd
);
4178 l
= STRLEN(lp
+ written
);
4181 else if (lp
[written
] == NL
)
4182 /* NL -> NUL translation */
4183 len
= write(toshell_fd
, "", (size_t)1);
4186 s
= vim_strchr(lp
+ written
, NL
);
4187 len
= write(toshell_fd
, (char *)lp
+ written
,
4188 s
== NULL
? l
: s
- (lp
+ written
));
4192 /* Finished a line, add a NL, unless this line
4193 * should not have one. */
4194 if (lnum
!= curbuf
->b_op_end
.lnum
4196 || (lnum
!= write_no_eol_lnum
4198 curbuf
->b_ml
.ml_line_count
4199 || curbuf
->b_p_eol
)))
4200 ignored
= write(toshell_fd
, "\n",
4203 if (lnum
> curbuf
->b_op_end
.lnum
)
4205 /* finished all the lines, close pipe */
4225 if (options
& SHELL_READ
)
4226 ga_init2(&ga
, 1, BUFLEN
);
4229 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H)
4230 gettimeofday(&start_tv
, NULL
);
4235 * Check if keys have been typed, write them to the child
4237 * Don't do this if we are expanding wild cards (would eat
4239 * Don't do this when filtering and terminal is in cooked
4240 * mode, the shell command will handle the I/O. Avoids
4241 * that a typed password is echoed for ssh or gpg command.
4242 * Don't get characters when the child has already
4243 * finished (wait_pid == 0).
4244 * Don't read characters unless we didn't get output for a
4245 * while (noread_cnt > 4), avoids that ":r !ls" eats
4249 if (!(options
& SHELL_EXPAND
)
4251 (SHELL_READ
|SHELL_WRITE
|SHELL_COOKED
))
4252 != (SHELL_READ
|SHELL_WRITE
|SHELL_COOKED
)
4258 && (ta_len
> 0 || noread_cnt
> 4))
4262 /* Get extra characters when we don't have any.
4263 * Reset the counter and timer. */
4265 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H)
4266 gettimeofday(&start_tv
, NULL
);
4268 len
= ui_inchar(ta_buf
, BUFLEN
, 10L, 0);
4270 if (ta_len
> 0 || len
> 0)
4274 * Check for CTRL-C: send interrupt signal to child.
4275 * Check for CTRL-D: EOF, close pipe to child.
4277 if (len
== 1 && (pty_master_fd
< 0 || cmd
!= NULL
))
4281 * Send SIGINT to the child's group or all
4282 * processes in our group.
4284 if (ta_buf
[ta_len
] == Ctrl_C
4285 || ta_buf
[ta_len
] == intr_char
)
4296 if (pty_master_fd
< 0 && toshell_fd
>= 0
4297 && ta_buf
[ta_len
] == Ctrl_D
)
4304 /* replace K_BS by <BS> and K_DEL by <DEL> */
4305 for (i
= ta_len
; i
< ta_len
+ len
; ++i
)
4307 if (ta_buf
[i
] == CSI
&& len
- i
> 2)
4309 c
= TERMCAP2KEY(ta_buf
[i
+ 1], ta_buf
[i
+ 2]);
4310 if (c
== K_DEL
|| c
== K_KDEL
|| c
== K_BS
)
4312 mch_memmove(ta_buf
+ i
+ 1, ta_buf
+ i
+ 3,
4313 (size_t)(len
- i
- 2));
4314 if (c
== K_DEL
|| c
== K_KDEL
)
4321 else if (ta_buf
[i
] == '\r')
4325 i
+= (*mb_ptr2len
)(ta_buf
+ i
) - 1;
4330 * For pipes: echo the typed characters.
4331 * For a pty this does not seem to work.
4333 if (pty_master_fd
< 0)
4335 for (i
= ta_len
; i
< ta_len
+ len
; ++i
)
4337 if (ta_buf
[i
] == '\n' || ta_buf
[i
] == '\b')
4338 msg_putchar(ta_buf
[i
]);
4342 int l
= (*mb_ptr2len
)(ta_buf
+ i
);
4344 msg_outtrans_len(ta_buf
+ i
, l
);
4349 msg_outtrans_len(ta_buf
+ i
, 1);
4351 windgoto(msg_row
, msg_col
);
4358 * Write the characters to the child, unless EOF has
4359 * been typed for pipes. Write one character at a
4360 * time, to avoid losing too much typeahead.
4361 * When writing buffer lines, drop the typed
4362 * characters (only check for CTRL-C).
4364 if (options
& SHELL_WRITE
)
4366 else if (toshell_fd
>= 0)
4368 len
= write(toshell_fd
, (char *)ta_buf
, (size_t)1);
4372 mch_memmove(ta_buf
, ta_buf
+ len
, ta_len
);
4380 /* CTRL-C sends a signal to the child, we ignore it
4393 * Check if the child has any characters to be printed.
4394 * Read them and write them to our window. Repeat this as
4395 * long as there is something to do, avoid the 10ms wait
4396 * for mch_inchar(), or sending typeahead characters to
4397 * the external process.
4398 * TODO: This should handle escape sequences, compatible
4399 * to some terminal (vt52?).
4402 while (RealWaitForChar(fromshell_fd
, 10L, NULL
))
4404 len
= read(fromshell_fd
, (char *)buffer
4406 + buffer_off
, (size_t)(BUFLEN
- buffer_off
)
4411 if (len
<= 0) /* end of file or error */
4415 if (options
& SHELL_READ
)
4417 /* Do NUL -> NL translation, append NL separated
4418 * lines to the current buffer. */
4419 for (i
= 0; i
< len
; ++i
)
4421 if (buffer
[i
] == NL
)
4422 append_ga_line(&ga
);
4423 else if (buffer
[i
] == NUL
)
4426 ga_append(&ga
, buffer
[i
]);
4437 /* Check if the last character in buffer[] is
4438 * incomplete, keep these bytes for the next
4440 for (p
= buffer
; p
< buffer
+ len
; p
+= l
)
4444 l
= 1; /* NUL byte? */
4445 else if (MB_BYTE2LEN(*p
) != l
)
4448 if (p
== buffer
) /* no complete character */
4450 /* avoid getting stuck at an illegal byte */
4462 if (p
< buffer
+ len
)
4465 buffer_off
= (buffer
+ len
) - p
;
4466 mch_memmove(buffer
, p
, buffer_off
);
4471 # endif /* FEAT_MBYTE */
4478 windgoto(msg_row
, msg_col
);
4484 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H)
4486 struct timeval now_tv
;
4489 /* Avoid that we keep looping here without
4490 * checking for a CTRL-C for a long time. Don't
4491 * break out too often to avoid losing typeahead. */
4492 gettimeofday(&now_tv
, NULL
);
4493 msec
= (now_tv
.tv_sec
- start_tv
.tv_sec
) * 1000L
4494 + (now_tv
.tv_usec
- start_tv
.tv_usec
) / 1000L;
4504 /* If we already detected the child has finished break the
4506 if (wait_pid
== pid
)
4510 * Check if the child still exists, before checking for
4511 * typed characters (otherwise we would lose typeahead).
4514 wait_pid
= wait4(pid
, &status
, WNOHANG
, (struct rusage
*) 0);
4516 wait_pid
= waitpid(pid
, &status
, WNOHANG
);
4518 if ((wait_pid
== (pid_t
)-1 && errno
== ECHILD
)
4519 || (wait_pid
== pid
&& WIFEXITED(status
)))
4521 /* Don't break the loop yet, try reading more
4522 * characters from "fromshell_fd" first. When using
4523 * pipes there might still be something to read and
4524 * then we'll break the loop at the "break" above. */
4531 p_more
= p_more_save
;
4532 if (options
& SHELL_READ
)
4536 append_ga_line(&ga
);
4537 /* remember that the NL was missing */
4538 write_no_eol_lnum
= curwin
->w_cursor
.lnum
;
4541 write_no_eol_lnum
= 0;
4546 * Give all typeahead that wasn't used back to ui_inchar().
4549 ui_inchar_undo(ta_buf
, ta_len
);
4551 if (toshell_fd
>= 0)
4553 close(fromshell_fd
);
4557 * Wait until our child has exited.
4558 * Ignore wait() returning pids of other children and returning
4559 * because of some signal like SIGWINCH.
4560 * Don't wait if wait_pid was already set above, indicating the
4561 * child already exited.
4563 while (wait_pid
!= pid
)
4565 # ifdef _THREAD_SAFE
4566 /* Ugly hack: when compiled with Python threads are probably
4567 * used, in which case wait() sometimes hangs for no obvious
4568 * reason. Use waitpid() instead and loop (like the GUI). */
4570 wait_pid
= wait4(pid
, &status
, WNOHANG
, (struct rusage
*)0);
4572 wait_pid
= waitpid(pid
, &status
, WNOHANG
);
4576 /* Wait for 1/100 sec before trying again. */
4577 mch_delay(10L, TRUE
);
4581 wait_pid
= wait(&status
);
4591 /* Make sure the child that writes to the external program is
4594 kill(wpid
, SIGKILL
);
4597 * Set to raw mode right now, otherwise a CTRL-C after
4598 * catch_signals() will kill Vim.
4600 if (tmode
== TMODE_RAW
)
4601 settmode(TMODE_RAW
);
4602 did_settmode
= TRUE
;
4605 if (WIFEXITED(status
))
4607 /* LINTED avoid "bitwise operation on signed value" */
4608 retval
= WEXITSTATUS(status
);
4609 if (retval
&& !emsg_silent
)
4611 if (retval
== EXEC_FAILED
)
4613 MSG_PUTS(_("\nCannot execute shell "));
4617 else if (!(options
& SHELL_SILENT
))
4619 MSG_PUTS(_("\nshell returned "));
4620 msg_outnum((long)retval
);
4626 MSG_PUTS(_("\nCommand terminated\n"));
4633 if (tmode
== TMODE_RAW
)
4634 settmode(TMODE_RAW
); /* set to raw mode */
4642 #endif /* USE_SYSTEM */
4646 * Check for CTRL-C typed by reading all available characters.
4647 * In cooked mode we should get SIGINT, no need to check.
4652 if (curr_tmode
== TMODE_RAW
&& RealWaitForChar(read_cmd_fd
, 0L, NULL
))
4653 fill_input_buf(FALSE
);
4657 * Wait "msec" msec until a character is available from the keyboard or from
4658 * inbuf[]. msec == -1 will block forever.
4659 * When a GUI is being used, this will never get called -- webb
4665 #ifdef FEAT_MOUSE_GPM
4666 int gpm_process_wanted
;
4668 #ifdef FEAT_XCLIPBOARD
4673 if (input_available()) /* something in inbuf[] */
4676 #if defined(FEAT_MOUSE_DEC)
4677 /* May need to query the mouse position. */
4680 WantQueryMouse
= FALSE
;
4681 mch_write((char_u
*)IF_EB("\033[1'|", ESC_STR
"[1'|"), 5);
4686 * For FEAT_MOUSE_GPM and FEAT_XCLIPBOARD we loop here to process mouse
4687 * events. This is a bit complicated, because they might both be defined.
4689 #if defined(FEAT_MOUSE_GPM) || defined(FEAT_XCLIPBOARD)
4690 # ifdef FEAT_XCLIPBOARD
4692 if (do_xterm_trace())
4697 # ifdef FEAT_XCLIPBOARD
4700 msec
= XT_TRACE_DELAY
;
4701 if (rest
>= 0 && rest
< XT_TRACE_DELAY
)
4707 # ifdef FEAT_MOUSE_GPM
4708 gpm_process_wanted
= 0;
4709 avail
= RealWaitForChar(read_cmd_fd
, msec
, &gpm_process_wanted
);
4711 avail
= RealWaitForChar(read_cmd_fd
, msec
, NULL
);
4715 if (input_available())
4717 # ifdef FEAT_XCLIPBOARD
4718 if (rest
== 0 || !do_xterm_trace())
4724 # ifdef FEAT_MOUSE_GPM
4725 || (gpm_process_wanted
&& mch_gpm_process() == 0)
4727 # ifdef FEAT_XCLIPBOARD
4728 || (!avail
&& rest
!= 0)
4733 avail
= RealWaitForChar(read_cmd_fd
, msec
, NULL
);
4739 * Wait "msec" msec until a character is available from file descriptor "fd".
4740 * Time == -1 will block forever.
4741 * When a GUI is being used, this will not be used for input -- webb
4742 * Returns also, when a request from Sniff is waiting -- toni.
4743 * Or when a Linux GPM mouse event is waiting.
4746 #if defined(__BEOS__)
4751 RealWaitForChar(fd
, msec
, check_for_gpm
)
4757 #if defined(FEAT_XCLIPBOARD) || defined(USE_XSMP) || defined(FEAT_MZSCHEME)
4758 static int busy
= FALSE
;
4760 /* May retry getting characters after an event was handled. */
4763 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H)
4764 /* Remember at what time we started, so that we know how much longer we
4765 * should wait after being interrupted. */
4766 # define USE_START_TV
4767 struct timeval start_tv
;
4770 # ifdef FEAT_XCLIPBOARD
4771 xterm_Shell
!= (Widget
)0
4772 # if defined(USE_XSMP) || defined(FEAT_MZSCHEME)
4778 # ifdef FEAT_MZSCHEME
4782 # ifdef FEAT_MZSCHEME
4783 (mzthreads_allowed() && p_mzq
> 0)
4786 gettimeofday(&start_tv
, NULL
);
4789 /* Handle being called recursively. This may happen for the session
4790 * manager stuff, it may save the file, which does a breakcheck. */
4800 int finished
= TRUE
; /* default is to 'loop' just once */
4801 # ifdef FEAT_MZSCHEME
4802 int mzquantum_used
= FALSE
;
4806 struct pollfd fds
[5];
4808 # ifdef FEAT_XCLIPBOARD
4811 # ifdef FEAT_MOUSE_GPM
4817 int towait
= (int)msec
;
4819 # ifdef FEAT_MZSCHEME
4820 mzvim_check_threads();
4821 if (mzthreads_allowed() && p_mzq
> 0 && (msec
< 0 || msec
> p_mzq
))
4823 towait
= (int)p_mzq
; /* don't wait longer than 'mzquantum' */
4824 mzquantum_used
= TRUE
;
4828 fds
[0].events
= POLLIN
;
4832 # define SNIFF_IDX 1
4833 if (want_sniff_request
)
4835 fds
[SNIFF_IDX
].fd
= fd_from_sniff
;
4836 fds
[SNIFF_IDX
].events
= POLLIN
;
4840 # ifdef FEAT_XCLIPBOARD
4841 if (xterm_Shell
!= (Widget
)0)
4844 fds
[nfd
].fd
= ConnectionNumber(xterm_dpy
);
4845 fds
[nfd
].events
= POLLIN
;
4849 # ifdef FEAT_MOUSE_GPM
4850 if (check_for_gpm
!= NULL
&& gpm_flag
&& gpm_fd
>= 0)
4853 fds
[nfd
].fd
= gpm_fd
;
4854 fds
[nfd
].events
= POLLIN
;
4859 if (xsmp_icefd
!= -1)
4862 fds
[nfd
].fd
= xsmp_icefd
;
4863 fds
[nfd
].events
= POLLIN
;
4868 ret
= poll(fds
, nfd
, towait
);
4869 # ifdef FEAT_MZSCHEME
4870 if (ret
== 0 && mzquantum_used
)
4871 /* MzThreads scheduling is required and timeout occurred */
4877 sniff_disconnect(1);
4878 else if (want_sniff_request
)
4880 if (fds
[SNIFF_IDX
].revents
& POLLHUP
)
4881 sniff_disconnect(1);
4882 if (fds
[SNIFF_IDX
].revents
& POLLIN
)
4883 sniff_request_waiting
= 1;
4886 # ifdef FEAT_XCLIPBOARD
4887 if (xterm_Shell
!= (Widget
)0 && (fds
[xterm_idx
].revents
& POLLIN
))
4889 xterm_update(); /* Maybe we should hand out clipboard */
4890 if (--ret
== 0 && !input_available())
4895 # ifdef FEAT_MOUSE_GPM
4896 if (gpm_idx
>= 0 && (fds
[gpm_idx
].revents
& POLLIN
))
4902 if (xsmp_idx
>= 0 && (fds
[xsmp_idx
].revents
& (POLLIN
| POLLHUP
)))
4904 if (fds
[xsmp_idx
].revents
& POLLIN
)
4907 xsmp_handle_requests();
4910 else if (fds
[xsmp_idx
].revents
& POLLHUP
)
4913 verb_msg((char_u
*)_("XSMP lost ICE connection"));
4917 finished
= FALSE
; /* Try again */
4922 #else /* HAVE_SELECT */
4925 struct timeval
*tvp
;
4930 # ifdef FEAT_MZSCHEME
4931 mzvim_check_threads();
4932 if (mzthreads_allowed() && p_mzq
> 0 && (msec
< 0 || msec
> p_mzq
))
4934 towait
= p_mzq
; /* don't wait longer than 'mzquantum' */
4935 mzquantum_used
= TRUE
;
4939 /* don't check for incoming chars if not in raw mode, because select()
4940 * always returns TRUE then (in some version of emx.dll) */
4941 if (curr_tmode
!= TMODE_RAW
)
4947 tv
.tv_sec
= towait
/ 1000;
4948 tv
.tv_usec
= (towait
% 1000) * (1000000/1000);
4955 * Select on ready for reading and exceptional condition (end of file).
4957 FD_ZERO(&rfds
); /* calls bzero() on a sun */
4960 # if !defined(__QNX__) && !defined(__CYGWIN32__)
4961 /* For QNX select() always returns 1 if this is set. Why? */
4967 if (want_sniff_request
)
4969 FD_SET(fd_from_sniff
, &rfds
);
4970 FD_SET(fd_from_sniff
, &efds
);
4971 if (maxfd
< fd_from_sniff
)
4972 maxfd
= fd_from_sniff
;
4975 # ifdef FEAT_XCLIPBOARD
4976 if (xterm_Shell
!= (Widget
)0)
4978 FD_SET(ConnectionNumber(xterm_dpy
), &rfds
);
4979 if (maxfd
< ConnectionNumber(xterm_dpy
))
4980 maxfd
= ConnectionNumber(xterm_dpy
);
4983 # ifdef FEAT_MOUSE_GPM
4984 if (check_for_gpm
!= NULL
&& gpm_flag
&& gpm_fd
>= 0)
4986 FD_SET(gpm_fd
, &rfds
);
4987 FD_SET(gpm_fd
, &efds
);
4993 if (xsmp_icefd
!= -1)
4995 FD_SET(xsmp_icefd
, &rfds
);
4996 FD_SET(xsmp_icefd
, &efds
);
4997 if (maxfd
< xsmp_icefd
)
5003 /* Old VMS as v6.2 and older have broken select(). It waits more than
5004 * required. Should not be used */
5007 ret
= select(maxfd
+ 1, &rfds
, NULL
, &efds
, tvp
);
5010 if (ret
== -1 && errno
== ENOTSUP
)
5017 # ifdef FEAT_MZSCHEME
5018 if (ret
== 0 && mzquantum_used
)
5019 /* loop if MzThreads must be scheduled and timeout occurred */
5025 sniff_disconnect(1);
5026 else if (ret
> 0 && want_sniff_request
)
5028 if (FD_ISSET(fd_from_sniff
, &efds
))
5029 sniff_disconnect(1);
5030 if (FD_ISSET(fd_from_sniff
, &rfds
))
5031 sniff_request_waiting
= 1;
5034 # ifdef FEAT_XCLIPBOARD
5035 if (ret
> 0 && xterm_Shell
!= (Widget
)0
5036 && FD_ISSET(ConnectionNumber(xterm_dpy
), &rfds
))
5038 xterm_update(); /* Maybe we should hand out clipboard */
5039 /* continue looping when we only got the X event and the input
5040 * buffer is empty */
5041 if (--ret
== 0 && !input_available())
5048 # ifdef FEAT_MOUSE_GPM
5049 if (ret
> 0 && gpm_flag
&& check_for_gpm
!= NULL
&& gpm_fd
>= 0)
5051 if (FD_ISSET(gpm_fd
, &efds
))
5053 else if (FD_ISSET(gpm_fd
, &rfds
))
5058 if (ret
> 0 && xsmp_icefd
!= -1)
5060 if (FD_ISSET(xsmp_icefd
, &efds
))
5063 verb_msg((char_u
*)_("XSMP lost ICE connection"));
5066 finished
= FALSE
; /* keep going if event was only one */
5068 else if (FD_ISSET(xsmp_icefd
, &rfds
))
5071 xsmp_handle_requests();
5074 finished
= FALSE
; /* keep going if event was only one */
5079 #endif /* HAVE_SELECT */
5082 if (finished
|| msec
== 0)
5085 /* We're going to loop around again, find out for how long */
5088 # ifdef USE_START_TV
5091 /* Compute remaining wait time. */
5092 gettimeofday(&mtv
, NULL
);
5093 msec
-= (mtv
.tv_sec
- start_tv
.tv_sec
) * 1000L
5094 + (mtv
.tv_usec
- start_tv
.tv_usec
) / 1000L;
5096 /* Guess we got interrupted halfway. */
5100 break; /* waited long enough */
5110 #ifndef NO_EXPANDPATH
5112 * Expand a path into all matching files and/or directories. Handles "*",
5113 * "?", "[a-z]", "**", etc.
5114 * "path" has backslashes before chars that are not to be expanded.
5115 * Returns the number of matches found.
5118 mch_expandpath(gap
, path
, flags
)
5121 int flags
; /* EW_* flags */
5123 return unix_expandpath(gap
, path
, 0, flags
, FALSE
);
5128 * mch_expand_wildcards() - this code does wild-card pattern matching using
5131 * return OK for success, FAIL for error (you may lose some memory) and put
5132 * an error message in *file.
5134 * num_pat is number of input patterns
5135 * pat is array of pointers to input patterns
5136 * num_file is pointer to number of matched file names
5137 * file is pointer to array of pointers to matched file names
5147 #define SHELL_SPECIAL (char_u *)"\t \"&'$;<>()\\|"
5151 mch_expand_wildcards(num_pat
, pat
, num_file
, file
, flags
)
5156 int flags
; /* EW_* flags */
5164 * This is the OS/2 implementation.
5166 # define EXPL_ALLOC_INC 16
5167 char_u
**expl_files
;
5168 size_t files_alloced
, files_free
;
5172 *num_file
= 0; /* default: no files found */
5173 files_alloced
= EXPL_ALLOC_INC
; /* how much space is allocated */
5174 files_free
= EXPL_ALLOC_INC
; /* how much space is not used */
5175 *file
= (char_u
**)alloc(sizeof(char_u
**) * files_alloced
);
5179 for (; num_pat
> 0; num_pat
--, pat
++)
5182 if (vim_strchr(*pat
, '$') || vim_strchr(*pat
, '~'))
5183 /* expand environment var or home dir */
5184 buf
= expand_env_save(*pat
);
5186 buf
= vim_strsave(*pat
);
5188 has_wildcard
= mch_has_exp_wildcard(buf
); /* (still) wildcards? */
5189 if (has_wildcard
) /* yes, so expand them */
5190 expl_files
= (char_u
**)_fnexplode(buf
);
5193 * return value of buf if no wildcards left,
5194 * OR if no match AND EW_NOTFOUND is set.
5196 if ((!has_wildcard
&& ((flags
& EW_NOTFOUND
) || mch_getperm(buf
) >= 0))
5197 || (expl_files
== NULL
&& (flags
& EW_NOTFOUND
)))
5198 { /* simply save the current contents of *buf */
5199 expl_files
= (char_u
**)alloc(sizeof(char_u
**) * 2);
5200 if (expl_files
!= NULL
)
5202 expl_files
[0] = vim_strsave(buf
);
5203 expl_files
[1] = NULL
;
5209 * Count number of names resulting from expansion,
5210 * At the same time add a backslash to the end of names that happen to
5211 * be directories, and replace slashes with backslashes.
5215 for (i
= 0; (p
= expl_files
[i
]) != NULL
; i
++)
5218 /* If we don't want dirs and this is one, skip it */
5219 if ((dir
&& !(flags
& EW_DIR
)) || (!dir
&& !(flags
& EW_FILE
)))
5222 /* Skip files that are not executable if we check for that. */
5223 if (!dir
&& (flags
& EW_EXEC
) && !mch_can_exe(p
))
5226 if (--files_free
== 0)
5228 /* need more room in table of pointers */
5229 files_alloced
+= EXPL_ALLOC_INC
;
5230 *file
= (char_u
**)vim_realloc(*file
,
5231 sizeof(char_u
**) * files_alloced
);
5234 EMSG(_(e_outofmem
));
5238 files_free
= EXPL_ALLOC_INC
;
5243 /* For a directory we add a '/', unless it's already
5246 if (((*file
)[*num_file
] = alloc(len
+ 2)) != NULL
)
5248 STRCPY((*file
)[*num_file
], p
);
5249 if (!after_pathsep((*file
)[*num_file
],
5250 (*file
)[*num_file
] + len
))
5252 (*file
)[*num_file
][len
] = psepc
;
5253 (*file
)[*num_file
][len
+ 1] = NUL
;
5259 (*file
)[*num_file
] = vim_strsave(p
);
5263 * Error message already given by either alloc or vim_strsave.
5264 * Should return FAIL, but returning OK works also.
5266 if ((*file
)[*num_file
] == NULL
)
5270 _fnexplodefree((char **)expl_files
);
5277 * This is the non-OS/2 implementation (really Unix).
5284 #define STYLE_ECHO 0 /* use "echo", the default */
5285 #define STYLE_GLOB 1 /* use "glob", for csh */
5286 #define STYLE_VIMGLOB 2 /* use "vimglob", for Posix sh */
5287 #define STYLE_PRINT 3 /* use "print -N", for zsh */
5288 #define STYLE_BT 4 /* `cmd` expansion, execute the pattern
5290 int shell_style
= STYLE_ECHO
;
5292 static int did_find_nul
= FALSE
;
5293 int ampersent
= FALSE
;
5294 /* vimglob() function to define for Posix shell */
5295 static char *sh_vimglob_func
= "vimglob() { while [ $# -ge 1 ]; do echo \"$1\"; shift; done }; vimglob >";
5297 *num_file
= 0; /* default: no files found */
5301 * If there are no wildcards, just copy the names to allocated memory.
5302 * Saves a lot of time, because we don't have to start a new shell.
5304 if (!have_wildcard(num_pat
, pat
))
5305 return save_patterns(num_pat
, pat
, num_file
, file
);
5307 # ifdef HAVE_SANDBOX
5308 /* Don't allow any shell command in the sandbox. */
5309 if (sandbox
!= 0 && check_secure())
5314 * Don't allow the use of backticks in secure and restricted mode.
5316 if (secure
|| restricted
)
5317 for (i
= 0; i
< num_pat
; ++i
)
5318 if (vim_strchr(pat
[i
], '`') != NULL
5319 && (check_restricted() || check_secure()))
5323 * get a name for the temp file
5325 if ((tempname
= vim_tempname('o')) == NULL
)
5332 * Let the shell expand the patterns and write the result into the temp
5334 * STYLE_BT: NL separated
5335 * If expanding `cmd` execute it directly.
5336 * STYLE_GLOB: NUL separated
5337 * If we use *csh, "glob" will work better than "echo".
5338 * STYLE_PRINT: NL or NUL separated
5339 * If we use *zsh, "print -N" will work better than "glob".
5340 * STYLE_VIMGLOB: NL separated
5341 * If we use *sh*, we define "vimglob()".
5342 * STYLE_ECHO: space separated.
5343 * A shell we don't know, stay safe and use "echo".
5345 if (num_pat
== 1 && *pat
[0] == '`'
5346 && (len
= STRLEN(pat
[0])) > 2
5347 && *(pat
[0] + len
- 1) == '`')
5348 shell_style
= STYLE_BT
;
5349 else if ((len
= STRLEN(p_sh
)) >= 3)
5351 if (STRCMP(p_sh
+ len
- 3, "csh") == 0)
5352 shell_style
= STYLE_GLOB
;
5353 else if (STRCMP(p_sh
+ len
- 3, "zsh") == 0)
5354 shell_style
= STYLE_PRINT
;
5356 if (shell_style
== STYLE_ECHO
&& strstr((char *)gettail(p_sh
),
5358 shell_style
= STYLE_VIMGLOB
;
5360 /* Compute the length of the command. We need 2 extra bytes: for the
5361 * optional '&' and for the NUL.
5362 * Worst case: "unset nonomatch; print -N >" plus two is 29 */
5363 len
= STRLEN(tempname
) + 29;
5364 if (shell_style
== STYLE_VIMGLOB
)
5365 len
+= STRLEN(sh_vimglob_func
);
5367 for (i
= 0; i
< num_pat
; ++i
)
5369 /* Count the length of the patterns in the same way as they are put in
5370 * "command" below. */
5372 len
+= STRLEN(pat
[i
]) + 3; /* add space and two quotes */
5374 ++len
; /* add space */
5375 for (j
= 0; pat
[i
][j
] != NUL
; ++j
)
5377 if (vim_strchr(SHELL_SPECIAL
, pat
[i
][j
]) != NULL
)
5378 ++len
; /* may add a backslash */
5383 command
= alloc(len
);
5384 if (command
== NULL
)
5392 * Build the shell command:
5393 * - Set $nonomatch depending on EW_NOTFOUND (hopefully the shell
5395 * - Add the shell command to print the expanded names.
5396 * - Add the temp file name.
5397 * - Add the file name patterns.
5399 if (shell_style
== STYLE_BT
)
5401 /* change `command; command& ` to (command; command ) */
5402 STRCPY(command
, "(");
5403 STRCAT(command
, pat
[0] + 1); /* exclude first backtick */
5404 p
= command
+ STRLEN(command
) - 1;
5405 *p
-- = ')'; /* remove last backtick */
5406 while (p
> command
&& vim_iswhite(*p
))
5408 if (*p
== '&') /* remove trailing '&' */
5413 STRCAT(command
, ">");
5417 if (flags
& EW_NOTFOUND
)
5418 STRCPY(command
, "set nonomatch; ");
5420 STRCPY(command
, "unset nonomatch; ");
5421 if (shell_style
== STYLE_GLOB
)
5422 STRCAT(command
, "glob >");
5423 else if (shell_style
== STYLE_PRINT
)
5424 STRCAT(command
, "print -N >");
5425 else if (shell_style
== STYLE_VIMGLOB
)
5426 STRCAT(command
, sh_vimglob_func
);
5428 STRCAT(command
, "echo >");
5431 STRCAT(command
, tempname
);
5433 if (shell_style
!= STYLE_BT
)
5434 for (i
= 0; i
< num_pat
; ++i
)
5436 /* When using system() always add extra quotes, because the shell
5437 * is started twice. Otherwise put a backslash before special
5438 * characters, except inside ``. */
5440 STRCAT(command
, " \"");
5441 STRCAT(command
, pat
[i
]);
5442 STRCAT(command
, "\"");
5446 p
= command
+ STRLEN(command
);
5448 for (j
= 0; pat
[i
][j
] != NUL
; ++j
)
5450 if (pat
[i
][j
] == '`')
5452 else if (pat
[i
][j
] == '\\' && pat
[i
][j
+ 1] != NUL
)
5454 /* Remove a backslash, take char literally. But keep
5455 * backslash inside backticks, before a special character
5456 * and before a backtick. */
5458 || vim_strchr(SHELL_SPECIAL
, pat
[i
][j
+ 1]) != NULL
5459 || pat
[i
][j
+ 1] == '`')
5463 else if (!intick
&& vim_strchr(SHELL_SPECIAL
,
5465 /* Put a backslash before a special character, but not
5466 * when inside ``. */
5469 /* Copy one character. */
5475 if (flags
& EW_SILENT
)
5476 show_shell_mess
= FALSE
;
5478 STRCAT(command
, "&"); /* put the '&' after the redirection */
5481 * Using zsh -G: If a pattern has no matches, it is just deleted from
5482 * the argument list, otherwise zsh gives an error message and doesn't
5483 * expand any other pattern.
5485 if (shell_style
== STYLE_PRINT
)
5486 extra_shell_arg
= (char_u
*)"-G"; /* Use zsh NULL_GLOB option */
5489 * If we use -f then shell variables set in .cshrc won't get expanded.
5490 * vi can do it, so we will too, but it is only necessary if there is a "$"
5491 * in one of the patterns, otherwise we can still use the fast option.
5493 else if (shell_style
== STYLE_GLOB
&& !have_dollars(num_pat
, pat
))
5494 extra_shell_arg
= (char_u
*)"-f"; /* Use csh fast option */
5497 * execute the shell command
5499 i
= call_shell(command
, SHELL_EXPAND
| SHELL_SILENT
);
5501 /* When running in the background, give it some time to create the temp
5502 * file, but don't wait for it to finish. */
5504 mch_delay(10L, TRUE
);
5506 extra_shell_arg
= NULL
; /* cleanup */
5507 show_shell_mess
= TRUE
;
5510 if (i
!= 0) /* mch_call_shell() failed */
5512 mch_remove(tempname
);
5515 * With interactive completion, the error message is not printed.
5516 * However with USE_SYSTEM, I don't know how to turn off error messages
5517 * from the shell, so screen may still get messed up -- webb.
5520 if (!(flags
& EW_SILENT
))
5523 redraw_later_clear(); /* probably messed up screen */
5524 msg_putchar('\n'); /* clear bottom line quickly */
5525 cmdline_row
= Rows
- 1; /* continue on last line */
5527 if (!(flags
& EW_SILENT
))
5530 MSG(_(e_wildexpand
));
5531 msg_start(); /* don't overwrite this message */
5534 /* If a `cmd` expansion failed, don't list `cmd` as a match, even when
5535 * EW_NOTFOUND is given */
5536 if (shell_style
== STYLE_BT
)
5542 * read the names from the file into memory
5544 fd
= fopen((char *)tempname
, READBIN
);
5547 /* Something went wrong, perhaps a file name with a special char. */
5548 if (!(flags
& EW_SILENT
))
5550 MSG(_(e_wildexpand
));
5551 msg_start(); /* don't overwrite this message */
5556 fseek(fd
, 0L, SEEK_END
);
5557 len
= ftell(fd
); /* get size of temp file */
5558 fseek(fd
, 0L, SEEK_SET
);
5559 buffer
= alloc(len
+ 1);
5563 mch_remove(tempname
);
5568 i
= fread((char *)buffer
, 1, len
, fd
);
5570 mch_remove(tempname
);
5573 /* unexpected read error */
5574 EMSG2(_(e_notread
), tempname
);
5581 # if defined(__CYGWIN__) || defined(__CYGWIN32__)
5582 /* Translate <CR><NL> into <NL>. Caution, buffer may contain NUL. */
5584 for (i
= 0; i
< len
; ++i
)
5585 if (!(buffer
[i
] == CAR
&& buffer
[i
+ 1] == NL
))
5591 /* file names are separated with Space */
5592 if (shell_style
== STYLE_ECHO
)
5594 buffer
[len
] = '\n'; /* make sure the buffer ends in NL */
5596 for (i
= 0; *p
!= '\n'; ++i
) /* count number of entries */
5598 while (*p
!= ' ' && *p
!= '\n')
5600 p
= skipwhite(p
); /* skip to next entry */
5603 /* file names are separated with NL */
5604 else if (shell_style
== STYLE_BT
|| shell_style
== STYLE_VIMGLOB
)
5606 buffer
[len
] = NUL
; /* make sure the buffer ends in NUL */
5608 for (i
= 0; *p
!= NUL
; ++i
) /* count number of entries */
5610 while (*p
!= '\n' && *p
!= NUL
)
5614 p
= skipwhite(p
); /* skip leading white space */
5617 /* file names are separated with NUL */
5621 * Some versions of zsh use spaces instead of NULs to separate
5622 * results. Only do this when there is no NUL before the end of the
5623 * buffer, otherwise we would never be able to use file names with
5624 * embedded spaces when zsh does use NULs.
5625 * When we found a NUL once, we know zsh is OK, set did_find_nul and
5626 * don't check for spaces again.
5628 check_spaces
= FALSE
;
5629 if (shell_style
== STYLE_PRINT
&& !did_find_nul
)
5631 /* If there is a NUL, set did_find_nul, else set check_spaces */
5632 if (len
&& (int)STRLEN(buffer
) < len
- 1)
5633 did_find_nul
= TRUE
;
5635 check_spaces
= TRUE
;
5639 * Make sure the buffer ends with a NUL. For STYLE_PRINT there
5640 * already is one, for STYLE_GLOB it needs to be added.
5642 if (len
&& buffer
[len
- 1] == NUL
)
5647 for (p
= buffer
; p
< buffer
+ len
; ++p
)
5648 if (*p
== NUL
|| (*p
== ' ' && check_spaces
)) /* count entry */
5654 ++i
; /* count last entry */
5659 * Can happen when using /bin/sh and typing ":e $NO_SUCH_VAR^I".
5660 * /bin/sh will happily expand it to nothing rather than returning an
5661 * error; and hey, it's good to check anyway -- webb.
5667 *file
= (char_u
**)alloc(sizeof(char_u
*) * i
);
5676 * Isolate the individual file names.
5679 for (i
= 0; i
< *num_file
; ++i
)
5682 /* Space or NL separates */
5683 if (shell_style
== STYLE_ECHO
|| shell_style
== STYLE_BT
5684 || shell_style
== STYLE_VIMGLOB
)
5686 while (!(shell_style
== STYLE_ECHO
&& *p
== ' ')
5687 && *p
!= '\n' && *p
!= NUL
)
5689 if (p
== buffer
+ len
) /* last entry */
5694 p
= skipwhite(p
); /* skip to next entry */
5697 else /* NUL separates */
5699 while (*p
&& p
< buffer
+ len
) /* skip entry */
5706 * Move the file names to allocated memory.
5708 for (j
= 0, i
= 0; i
< *num_file
; ++i
)
5710 /* Require the files to exist. Helps when using /bin/sh */
5711 if (!(flags
& EW_NOTFOUND
) && mch_getperm((*file
)[i
]) < 0)
5714 /* check if this entry should be included */
5715 dir
= (mch_isdir((*file
)[i
]));
5716 if ((dir
&& !(flags
& EW_DIR
)) || (!dir
&& !(flags
& EW_FILE
)))
5719 /* Skip files that are not executable if we check for that. */
5720 if (!dir
&& (flags
& EW_EXEC
) && !mch_can_exe((*file
)[i
]))
5723 p
= alloc((unsigned)(STRLEN((*file
)[i
]) + 1 + dir
));
5726 STRCPY(p
, (*file
)[i
]);
5728 add_pathsep(p
); /* add '/' to a directory name */
5735 if (*num_file
== 0) /* rejected all entries */
5745 if (flags
& EW_NOTFOUND
)
5746 return save_patterns(num_pat
, pat
, num_file
, file
);
5749 #endif /* __EMX__ */
5756 save_patterns(num_pat
, pat
, num_file
, file
)
5765 *file
= (char_u
**)alloc(num_pat
* sizeof(char_u
*));
5768 for (i
= 0; i
< num_pat
; i
++)
5770 s
= vim_strsave(pat
[i
]);
5772 /* Be compatible with expand_filename(): halve the number of
5777 *num_file
= num_pat
;
5784 * Return TRUE if the string "p" contains a wildcard that mch_expandpath() can
5788 mch_has_exp_wildcard(p
)
5791 for ( ; *p
; mb_ptr_adv(p
))
5794 if (*p
== '\\' && p
[1] != NUL
)
5798 if (vim_strchr((char_u
*)
5815 * Return TRUE if the string "p" contains a wildcard.
5816 * Don't recognize '~' at the end as a wildcard.
5822 for ( ; *p
; mb_ptr_adv(p
))
5825 if (*p
== '\\' && p
[1] != NUL
)
5829 if (vim_strchr((char_u
*)
5834 # ifdef VIM_BACKTICK
5844 || (*p
== '~' && p
[1] != NUL
))
5852 have_wildcard(num
, file
)
5858 for (i
= 0; i
< num
; i
++)
5859 if (mch_has_wildcard(file
[i
]))
5865 have_dollars(num
, file
)
5871 for (i
= 0; i
< num
; i
++)
5872 if (vim_strchr(file
[i
], '$') != NULL
)
5876 #endif /* ifndef __EMX__ */
5880 * Scaled-down version of rename(), which is missing in Xenix.
5881 * This version can only move regular files and will fail if the
5882 * destination exists.
5885 mch_rename(src
, dest
)
5886 const char *src
, *dest
;
5890 if (stat(dest
, &st
) >= 0) /* fail if destination exists */
5892 if (link(src
, dest
) != 0) /* link file to new name */
5894 if (mch_remove(src
) == 0) /* delete link to old name */
5898 #endif /* !HAVE_RENAME */
5900 #ifdef FEAT_MOUSE_GPM
5902 * Initializes connection with gpm (if it isn't already opened)
5903 * Return 1 if succeeded (or connection already opened), 0 if failed
5908 static Gpm_Connect gpm_connect
; /* Must it be kept till closing ? */
5912 gpm_connect
.eventMask
= (GPM_UP
| GPM_DRAG
| GPM_DOWN
);
5913 gpm_connect
.defaultMask
= ~GPM_HARD
;
5914 /* Default handling for mouse move*/
5915 gpm_connect
.minMod
= 0; /* Handle any modifier keys */
5916 gpm_connect
.maxMod
= 0xffff;
5917 if (Gpm_Open(&gpm_connect
, 0) > 0)
5919 /* gpm library tries to handling TSTP causes
5920 * problems. Anyways, we close connection to Gpm whenever
5921 * we are going to suspend or starting an external process
5922 * so we shouldn't have problem with this
5925 signal(SIGTSTP
, restricted
? SIG_IGN
: SIG_DFL
);
5927 return 1; /* succeed */
5930 Gpm_Close(); /* We don't want to talk to xterm via gpm */
5933 return 1; /* already open */
5937 * Closes connection to gpm
5942 if (gpm_flag
&& gpm_fd
>= 0) /* if Open */
5946 /* Reads gpm event and adds special keys to input buf. Returns length of
5947 * generated key sequence.
5948 * This function is made after gui_send_mouse_event
5954 static Gpm_Event gpm_event
;
5956 int_u vim_modifiers
;
5958 unsigned char buttons_mask
;
5959 unsigned char gpm_modifiers
;
5960 static unsigned char old_buttons
= 0;
5962 Gpm_GetEvent(&gpm_event
);
5965 /* Don't put events in the input queue now. */
5966 if (hold_gui_events
)
5970 row
= gpm_event
.y
- 1;
5971 col
= gpm_event
.x
- 1;
5973 string
[0] = ESC
; /* Our termcode */
5976 switch (GPM_BARE_EVENTS(gpm_event
.type
))
5979 string
[3] = MOUSE_DRAG
;
5982 buttons_mask
= gpm_event
.buttons
& ~old_buttons
;
5983 old_buttons
= gpm_event
.buttons
;
5984 switch (buttons_mask
)
5987 button
= MOUSE_LEFT
;
5990 button
= MOUSE_MIDDLE
;
5993 button
= MOUSE_RIGHT
;
5997 /*Don't know what to do. Can more than one button be
5998 * reported in one event? */
6000 string
[3] = (char_u
)(button
| 0x20);
6001 SET_NUM_MOUSE_CLICKS(string
[3], gpm_event
.clicks
+ 1);
6004 string
[3] = MOUSE_RELEASE
;
6005 old_buttons
&= ~gpm_event
.buttons
;
6010 /*This code is based on gui_x11_mouse_cb in gui_x11.c */
6011 gpm_modifiers
= gpm_event
.modifiers
;
6012 vim_modifiers
= 0x0;
6013 /* I ignore capslock stats. Aren't we all just hate capslock mixing with
6014 * Vim commands ? Besides, gpm_event.modifiers is unsigned char, and
6015 * K_CAPSSHIFT is defined 8, so it probably isn't even reported
6017 if (gpm_modifiers
& ((1 << KG_SHIFT
) | (1 << KG_SHIFTR
) | (1 << KG_SHIFTL
)))
6018 vim_modifiers
|= MOUSE_SHIFT
;
6020 if (gpm_modifiers
& ((1 << KG_CTRL
) | (1 << KG_CTRLR
) | (1 << KG_CTRLL
)))
6021 vim_modifiers
|= MOUSE_CTRL
;
6022 if (gpm_modifiers
& ((1 << KG_ALT
) | (1 << KG_ALTGR
)))
6023 vim_modifiers
|= MOUSE_ALT
;
6024 string
[3] |= vim_modifiers
;
6025 string
[4] = (char_u
)(col
+ ' ' + 1);
6026 string
[5] = (char_u
)(row
+ ' ' + 1);
6027 add_to_input_buf(string
, 6);
6030 #endif /* FEAT_MOUSE_GPM */
6032 #ifdef FEAT_SYSMOUSE
6034 * Initialize connection with sysmouse.
6035 * Let virtual console inform us with SIGUSR2 for pending sysmouse
6036 * output, any sysmouse output than will be processed via sig_sysmouse().
6037 * Return OK if succeeded, FAIL if failed.
6042 struct mouse_info mouse
;
6044 mouse
.operation
= MOUSE_MODE
;
6045 mouse
.u
.mode
.mode
= 0;
6046 mouse
.u
.mode
.signal
= SIGUSR2
;
6047 if (ioctl(1, CONS_MOUSECTL
, &mouse
) != -1)
6049 signal(SIGUSR2
, (RETSIGTYPE (*)())sig_sysmouse
);
6050 mouse
.operation
= MOUSE_SHOW
;
6051 ioctl(1, CONS_MOUSECTL
, &mouse
);
6058 * Stop processing SIGUSR2 signals, and also make sure that
6059 * virtual console do not send us any sysmouse related signal.
6064 struct mouse_info mouse
;
6066 signal(SIGUSR2
, restricted
? SIG_IGN
: SIG_DFL
);
6067 mouse
.operation
= MOUSE_MODE
;
6068 mouse
.u
.mode
.mode
= 0;
6069 mouse
.u
.mode
.signal
= 0;
6070 ioctl(1, CONS_MOUSECTL
, &mouse
);
6074 * Gets info from sysmouse and adds special keys to input buf.
6078 sig_sysmouse
SIGDEFARG(sigarg
)
6080 struct mouse_info mouse
;
6081 struct video_info video
;
6086 static int oldbuttons
= 0;
6089 /* Don't put events in the input queue now. */
6090 if (hold_gui_events
)
6094 mouse
.operation
= MOUSE_GETINFO
;
6095 if (ioctl(1, FBIO_GETMODE
, &video
.vi_mode
) != -1
6096 && ioctl(1, FBIO_MODEINFO
, &video
) != -1
6097 && ioctl(1, CONS_MOUSECTL
, &mouse
) != -1
6098 && video
.vi_cheight
> 0 && video
.vi_cwidth
> 0)
6100 row
= mouse
.u
.data
.y
/ video
.vi_cheight
;
6101 col
= mouse
.u
.data
.x
/ video
.vi_cwidth
;
6102 buttons
= mouse
.u
.data
.buttons
;
6103 string
[0] = ESC
; /* Our termcode */
6106 if (oldbuttons
== buttons
&& buttons
!= 0)
6108 button
= MOUSE_DRAG
;
6115 button
= MOUSE_RELEASE
;
6118 button
= MOUSE_LEFT
;
6121 button
= MOUSE_MIDDLE
;
6124 button
= MOUSE_RIGHT
;
6129 oldbuttons
= buttons
;
6131 string
[3] = (char_u
)(button
);
6132 string
[4] = (char_u
)(col
+ ' ' + 1);
6133 string
[5] = (char_u
)(row
+ ' ' + 1);
6134 add_to_input_buf(string
, 6);
6138 #endif /* FEAT_SYSMOUSE */
6140 #if defined(FEAT_LIBCALL) || defined(PROTO)
6141 typedef char_u
* (*STRPROCSTR
)__ARGS((char_u
*));
6142 typedef char_u
* (*INTPROCSTR
)__ARGS((int));
6143 typedef int (*STRPROCINT
)__ARGS((char_u
*));
6144 typedef int (*INTPROCINT
)__ARGS((int));
6147 * Call a DLL routine which takes either a string or int param
6148 * and returns an allocated string.
6151 mch_libcall(libname
, funcname
, argstring
, argint
, string_result
, number_result
)
6154 char_u
*argstring
; /* NULL when using a argint */
6156 char_u
**string_result
;/* NULL when using number_result */
6159 # if defined(USE_DLOPEN)
6166 INTPROCSTR ProcAddI
;
6167 char_u
*retval_str
= NULL
;
6169 int success
= FALSE
;
6172 * Get a handle to the DLL module.
6174 # if defined(USE_DLOPEN)
6175 /* First clear any error, it's not cleared by the dlopen() call. */
6178 hinstLib
= dlopen((char *)libname
, RTLD_LAZY
6183 if (hinstLib
== NULL
)
6185 /* "dlerr" must be used before dlclose() */
6186 dlerr
= (char *)dlerror();
6188 EMSG2(_("dlerror = \"%s\""), dlerr
);
6191 hinstLib
= shl_load((const char*)libname
, BIND_IMMEDIATE
|BIND_VERBOSE
, 0L);
6194 /* If the handle is valid, try to get the function address. */
6195 if (hinstLib
!= NULL
)
6197 # ifdef HAVE_SETJMP_H
6199 * Catch a crash when calling the library function. For example when
6200 * using a number where a string pointer is expected.
6203 if (SETJMP(lc_jump_env
) != 0)
6206 # if defined(USE_DLOPEN)
6217 if (argstring
!= NULL
)
6219 # if defined(USE_DLOPEN)
6220 ProcAdd
= (STRPROCSTR
)dlsym(hinstLib
, (const char *)funcname
);
6221 dlerr
= (char *)dlerror();
6223 if (shl_findsym(&hinstLib
, (const char *)funcname
,
6224 TYPE_PROCEDURE
, (void *)&ProcAdd
) < 0)
6227 if ((success
= (ProcAdd
!= NULL
6228 # if defined(USE_DLOPEN)
6233 if (string_result
== NULL
)
6234 retval_int
= ((STRPROCINT
)ProcAdd
)(argstring
);
6236 retval_str
= (ProcAdd
)(argstring
);
6241 # if defined(USE_DLOPEN)
6242 ProcAddI
= (INTPROCSTR
)dlsym(hinstLib
, (const char *)funcname
);
6243 dlerr
= (char *)dlerror();
6245 if (shl_findsym(&hinstLib
, (const char *)funcname
,
6246 TYPE_PROCEDURE
, (void *)&ProcAddI
) < 0)
6249 if ((success
= (ProcAddI
!= NULL
6250 # if defined(USE_DLOPEN)
6255 if (string_result
== NULL
)
6256 retval_int
= ((INTPROCINT
)ProcAddI
)(argint
);
6258 retval_str
= (ProcAddI
)(argint
);
6262 /* Save the string before we free the library. */
6263 /* Assume that a "1" or "-1" result is an illegal pointer. */
6264 if (string_result
== NULL
)
6265 *number_result
= retval_int
;
6266 else if (retval_str
!= NULL
6267 && retval_str
!= (char_u
*)1
6268 && retval_str
!= (char_u
*)-1)
6269 *string_result
= vim_strsave(retval_str
);
6272 # ifdef HAVE_SETJMP_H
6279 /* try to find the name of this signal */
6280 for (i
= 0; signal_info
[i
].sig
!= -1; i
++)
6281 if (lc_signal
== signal_info
[i
].sig
)
6283 EMSG2("E368: got SIG%s in libcall()", signal_info
[i
].name
);
6288 # if defined(USE_DLOPEN)
6289 /* "dlerr" must be used before dlclose() */
6291 EMSG2(_("dlerror = \"%s\""), dlerr
);
6293 /* Free the DLL module. */
6294 (void)dlclose(hinstLib
);
6296 (void)shl_unload(hinstLib
);
6302 EMSG2(_(e_libcall
), funcname
);
6310 #if (defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)) || defined(PROTO)
6311 static int xterm_trace
= -1; /* default: disabled */
6312 static int xterm_button
;
6315 * Setup a dummy window for X selections in a terminal.
6324 if (!x_connect_to_server())
6328 if (app_context
!= NULL
&& xterm_Shell
== (Widget
)0)
6330 int (*oldhandler
)();
6331 #if defined(HAVE_SETJMP_H)
6332 int (*oldIOhandler
)();
6334 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H)
6335 struct timeval start_tv
;
6338 gettimeofday(&start_tv
, NULL
);
6341 /* Ignore X errors while opening the display */
6342 oldhandler
= XSetErrorHandler(x_error_check
);
6344 #if defined(HAVE_SETJMP_H)
6345 /* Ignore X IO errors while opening the display */
6346 oldIOhandler
= XSetIOErrorHandler(x_IOerror_check
);
6348 if (SETJMP(lc_jump_env
) != 0)
6356 xterm_dpy
= XtOpenDisplay(app_context
, xterm_display
,
6357 "vim_xterm", "Vim_xterm", NULL
, 0, &z
, &strp
);
6358 #if defined(HAVE_SETJMP_H)
6363 #if defined(HAVE_SETJMP_H)
6364 /* Now handle X IO errors normally. */
6365 (void)XSetIOErrorHandler(oldIOhandler
);
6367 /* Now handle X errors normally. */
6368 (void)XSetErrorHandler(oldhandler
);
6370 if (xterm_dpy
== NULL
)
6373 verb_msg((char_u
*)_("Opening the X display failed"));
6377 /* Catch terminating error of the X server connection. */
6378 (void)XSetIOErrorHandler(x_IOerror_handler
);
6380 # if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H)
6384 xopen_message(&start_tv
);
6389 /* Create a Shell to make converters work. */
6390 AppShell
= XtVaAppCreateShell("vim_xterm", "Vim_xterm",
6391 applicationShellWidgetClass
, xterm_dpy
,
6393 if (AppShell
== (Widget
)0)
6395 xterm_Shell
= XtVaCreatePopupShell("VIM",
6396 topLevelShellWidgetClass
, AppShell
,
6397 XtNmappedWhenManaged
, 0,
6401 if (xterm_Shell
== (Widget
)0)
6404 x11_setup_atoms(xterm_dpy
);
6405 if (x11_display
== NULL
)
6406 x11_display
= xterm_dpy
;
6408 XtRealizeWidget(xterm_Shell
);
6409 XSync(xterm_dpy
, False
);
6412 if (xterm_Shell
!= (Widget
)0)
6415 if (x11_window
== 0 && (strp
= getenv("WINDOWID")) != NULL
)
6416 x11_window
= (Window
)atol(strp
);
6417 /* Check if $WINDOWID is valid. */
6418 if (test_x11_window(xterm_dpy
) == FAIL
)
6420 if (x11_window
!= 0)
6426 start_xterm_trace(button
)
6429 if (x11_window
== 0 || xterm_trace
< 0 || xterm_Shell
== (Widget
)0)
6432 xterm_button
= button
;
6440 if (xterm_trace
< 0)
6446 * Query the xterm pointer and generate mouse termcodes if necessary
6447 * return TRUE if dragging is active, else FALSE
6460 static char_u
*mouse_code
;
6461 static char_u mouse_name
[2] = {KS_MOUSE
, KE_FILLER
};
6462 static int prev_row
= 0, prev_col
= 0;
6463 static XSizeHints xterm_hints
;
6465 if (xterm_trace
<= 0)
6468 if (xterm_trace
== 1)
6470 /* Get the hints just before tracking starts. The font size might
6471 * have changed recently. */
6472 if (!XGetWMNormalHints(xterm_dpy
, x11_window
, &xterm_hints
, &got_hints
)
6473 || !(got_hints
& PResizeInc
)
6474 || xterm_hints
.width_inc
<= 1
6475 || xterm_hints
.height_inc
<= 1)
6477 xterm_trace
= -1; /* Not enough data -- disable tracing */
6481 /* Rely on the same mouse code for the duration of this */
6482 mouse_code
= find_termcode(mouse_name
);
6483 prev_row
= mouse_row
;
6484 prev_row
= mouse_col
;
6487 /* Find the offset of the chars, there might be a scrollbar on the
6488 * left of the window and/or a menu on the top (eterm etc.) */
6489 XQueryPointer(xterm_dpy
, x11_window
, &root
, &child
, &root_x
, &root_y
,
6490 &win_x
, &win_y
, &mask_return
);
6491 xterm_hints
.y
= win_y
- (xterm_hints
.height_inc
* mouse_row
)
6492 - (xterm_hints
.height_inc
/ 2);
6493 if (xterm_hints
.y
<= xterm_hints
.height_inc
/ 2)
6495 xterm_hints
.x
= win_x
- (xterm_hints
.width_inc
* mouse_col
)
6496 - (xterm_hints
.width_inc
/ 2);
6497 if (xterm_hints
.x
<= xterm_hints
.width_inc
/ 2)
6501 if (mouse_code
== NULL
)
6507 XQueryPointer(xterm_dpy
, x11_window
, &root
, &child
, &root_x
, &root_y
,
6508 &win_x
, &win_y
, &mask_return
);
6510 row
= check_row((win_y
- xterm_hints
.y
) / xterm_hints
.height_inc
);
6511 col
= check_col((win_x
- xterm_hints
.x
) / xterm_hints
.width_inc
);
6512 if (row
== prev_row
&& col
== prev_col
)
6515 STRCPY(buf
, mouse_code
);
6516 strp
= buf
+ STRLEN(buf
);
6517 *strp
++ = (xterm_button
| MOUSE_DRAG
) & ~0x20;
6518 *strp
++ = (char_u
)(col
+ ' ' + 1);
6519 *strp
++ = (char_u
)(row
+ ' ' + 1);
6521 add_to_input_buf(buf
, STRLEN(buf
));
6528 # if defined(FEAT_GUI) || defined(PROTO)
6530 * Destroy the display, window and app_context. Required for GTK.
6535 if (xterm_Shell
!= (Widget
)0)
6537 XtDestroyWidget(xterm_Shell
);
6538 xterm_Shell
= (Widget
)0;
6540 if (xterm_dpy
!= NULL
)
6543 /* Lesstif and Solaris crash here, lose some memory */
6544 XtCloseDisplay(xterm_dpy
);
6546 if (x11_display
== xterm_dpy
)
6551 if (app_context
!= (XtAppContext
)NULL
)
6553 /* Lesstif and Solaris crash here, lose some memory */
6554 XtDestroyApplicationContext(app_context
);
6555 app_context
= (XtAppContext
)NULL
;
6562 * Catch up with any queued X events. This may put keyboard input into the
6563 * input buffer, call resize call-backs, trigger timers etc. If there is
6564 * nothing in the X event queue (& no timers pending), then we return
6572 while (XtAppPending(app_context
) && !vim_is_input_buf_full())
6574 XtAppNextEvent(app_context
, &event
);
6575 #ifdef FEAT_CLIENTSERVER
6577 XPropertyEvent
*e
= (XPropertyEvent
*)&event
;
6579 if (e
->type
== PropertyNotify
&& e
->window
== commWindow
6580 && e
->atom
== commProperty
&& e
->state
== PropertyNewValue
)
6581 serverEventProc(xterm_dpy
, &event
);
6584 XtDispatchEvent(&event
);
6589 clip_xterm_own_selection(cbd
)
6592 if (xterm_Shell
!= (Widget
)0)
6593 return clip_x11_own_selection(xterm_Shell
, cbd
);
6598 clip_xterm_lose_selection(cbd
)
6601 if (xterm_Shell
!= (Widget
)0)
6602 clip_x11_lose_selection(xterm_Shell
, cbd
);
6606 clip_xterm_request_selection(cbd
)
6609 if (xterm_Shell
!= (Widget
)0)
6610 clip_x11_request_selection(xterm_Shell
, xterm_dpy
, cbd
);
6614 clip_xterm_set_selection(cbd
)
6617 clip_x11_set_selection(cbd
);
6622 #if defined(USE_XSMP) || defined(PROTO)
6624 * Code for X Session Management Protocol.
6626 static void xsmp_handle_save_yourself
__ARGS((SmcConn smc_conn
, SmPointer client_data
, int save_type
, Bool shutdown
, int interact_style
, Bool fast
));
6627 static void xsmp_die
__ARGS((SmcConn smc_conn
, SmPointer client_data
));
6628 static void xsmp_save_complete
__ARGS((SmcConn smc_conn
, SmPointer client_data
));
6629 static void xsmp_shutdown_cancelled
__ARGS((SmcConn smc_conn
, SmPointer client_data
));
6630 static void xsmp_ice_connection
__ARGS((IceConn iceConn
, IcePointer clientData
, Bool opening
, IcePointer
*watchData
));
6633 # if defined(FEAT_GUI) && defined(USE_XSMP_INTERACT)
6634 static void xsmp_handle_interaction
__ARGS((SmcConn smc_conn
, SmPointer client_data
));
6637 * This is our chance to ask the user if they want to save,
6638 * or abort the logout
6642 xsmp_handle_interaction(smc_conn
, client_data
)
6644 SmPointer client_data
;
6646 cmdmod_T save_cmdmod
;
6647 int cancel_shutdown
= False
;
6649 save_cmdmod
= cmdmod
;
6650 cmdmod
.confirm
= TRUE
;
6651 if (check_changed_any(FALSE
))
6652 /* Mustn't logout */
6653 cancel_shutdown
= True
;
6654 cmdmod
= save_cmdmod
;
6655 setcursor(); /* position cursor */
6658 /* Done interaction */
6659 SmcInteractDone(smc_conn
, cancel_shutdown
);
6662 * Only end save-yourself here if we're not cancelling shutdown;
6663 * we'll get a cancelled callback later in which we'll end it.
6664 * Hopefully get around glitchy SMs (like GNOME-1)
6666 if (!cancel_shutdown
)
6668 xsmp
.save_yourself
= False
;
6669 SmcSaveYourselfDone(smc_conn
, True
);
6675 * Callback that starts save-yourself.
6679 xsmp_handle_save_yourself(smc_conn
, client_data
, save_type
,
6680 shutdown
, interact_style
, fast
)
6682 SmPointer client_data
;
6688 /* Handle already being in saveyourself */
6689 if (xsmp
.save_yourself
)
6690 SmcSaveYourselfDone(smc_conn
, True
);
6691 xsmp
.save_yourself
= True
;
6692 xsmp
.shutdown
= shutdown
;
6694 /* First up, preserve all files */
6696 ml_sync_all(FALSE
, FALSE
); /* preserve all swap files */
6699 verb_msg((char_u
*)_("XSMP handling save-yourself request"));
6701 # if defined(FEAT_GUI) && defined(USE_XSMP_INTERACT)
6702 /* Now see if we can ask about unsaved files */
6703 if (shutdown
&& !fast
&& gui
.in_use
)
6704 /* Need to interact with user, but need SM's permission */
6705 SmcInteractRequest(smc_conn
, SmDialogError
,
6706 xsmp_handle_interaction
, client_data
);
6710 /* Can stop the cycle here */
6711 SmcSaveYourselfDone(smc_conn
, True
);
6712 xsmp
.save_yourself
= False
;
6718 * Callback to warn us of imminent death.
6722 xsmp_die(smc_conn
, client_data
)
6724 SmPointer client_data
;
6728 /* quit quickly leaving swapfiles for modified buffers behind */
6729 getout_preserve_modified(0);
6734 * Callback to tell us that save-yourself has completed.
6738 xsmp_save_complete(smc_conn
, client_data
)
6740 SmPointer client_data
;
6742 xsmp
.save_yourself
= False
;
6747 * Callback to tell us that an instigated shutdown was cancelled
6748 * (maybe even by us)
6752 xsmp_shutdown_cancelled(smc_conn
, client_data
)
6754 SmPointer client_data
;
6756 if (xsmp
.save_yourself
)
6757 SmcSaveYourselfDone(smc_conn
, True
);
6758 xsmp
.save_yourself
= False
;
6759 xsmp
.shutdown
= False
;
6764 * Callback to tell us that a new ICE connection has been established.
6768 xsmp_ice_connection(iceConn
, clientData
, opening
, watchData
)
6770 IcePointer clientData
;
6772 IcePointer
*watchData
;
6774 /* Intercept creation of ICE connection fd */
6777 xsmp_icefd
= IceConnectionNumber(iceConn
);
6778 IceRemoveConnectionWatch(xsmp_ice_connection
, NULL
);
6783 /* Handle any ICE processing that's required; return FAIL if SM lost */
6785 xsmp_handle_requests()
6789 if (IceProcessMessages(xsmp
.iceconn
, NULL
, &rep
)
6790 == IceProcessMessagesIOError
)
6794 verb_msg((char_u
*)_("XSMP lost ICE connection"));
6804 /* Set up X Session Management Protocol */
6808 char errorstring
[80];
6809 SmcCallbacks smcallbacks
;
6817 verb_msg((char_u
*)_("XSMP opening connection"));
6819 xsmp
.save_yourself
= xsmp
.shutdown
= False
;
6821 /* Set up SM callbacks - must have all, even if they're not used */
6822 smcallbacks
.save_yourself
.callback
= xsmp_handle_save_yourself
;
6823 smcallbacks
.save_yourself
.client_data
= NULL
;
6824 smcallbacks
.die
.callback
= xsmp_die
;
6825 smcallbacks
.die
.client_data
= NULL
;
6826 smcallbacks
.save_complete
.callback
= xsmp_save_complete
;
6827 smcallbacks
.save_complete
.client_data
= NULL
;
6828 smcallbacks
.shutdown_cancelled
.callback
= xsmp_shutdown_cancelled
;
6829 smcallbacks
.shutdown_cancelled
.client_data
= NULL
;
6831 /* Set up a watch on ICE connection creations. The "dummy" argument is
6832 * apparently required for FreeBSD (we get a BUS error when using NULL). */
6833 if (IceAddConnectionWatch(xsmp_ice_connection
, &dummy
) == 0)
6836 verb_msg((char_u
*)_("XSMP ICE connection watch failed"));
6840 /* Create an SM connection */
6841 xsmp
.smcconn
= SmcOpenConnection(
6846 SmcSaveYourselfProcMask
| SmcDieProcMask
6847 | SmcSaveCompleteProcMask
| SmcShutdownCancelledProcMask
,
6851 sizeof(errorstring
),
6853 if (xsmp
.smcconn
== NULL
)
6855 char errorreport
[132];
6859 vim_snprintf(errorreport
, sizeof(errorreport
),
6860 _("XSMP SmcOpenConnection failed: %s"), errorstring
);
6861 verb_msg((char_u
*)errorreport
);
6865 xsmp
.iceconn
= SmcGetIceConnection(xsmp
.smcconn
);
6869 smname
.value
= "vim";
6871 smnameprop
.name
= "SmProgram";
6872 smnameprop
.type
= "SmARRAY8";
6873 smnameprop
.num_vals
= 1;
6874 smnameprop
.vals
= &smname
;
6876 smprops
[0] = &smnameprop
;
6877 SmcSetProperties(xsmp
.smcconn
, 1, smprops
);
6882 /* Shut down XSMP comms. */
6886 if (xsmp_icefd
!= -1)
6888 SmcCloseConnection(xsmp
.smcconn
, 0, NULL
);
6889 if (xsmp
.clientid
!= NULL
)
6890 free(xsmp
.clientid
);
6891 xsmp
.clientid
= NULL
;
6895 #endif /* USE_XSMP */
6899 /* Translate character to its CTRL- value */
6903 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
6904 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
6905 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
6906 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
6907 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
6908 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
6912 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
6915 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
6926 0, 0, 0, 0, 0, 0, 0,
6937 0, 0, 0, 0, 0, 0, 0, 0,
6950 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
6952 /* BE - C0 */ 0, 0, 0,
6962 /* CA - D0 */ 0, 0, 0, 0, 0, 0, 0,
6972 /* DA - DF */ 0, 0, 0, 0, 0, 0,
6983 /* EA - FF*/ 0, 0, 0, 0, 0, 0,
6984 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
6987 char MetaCharTable
[]=
6988 {/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */
6989 0, 0, 0, 0,'\\', 0,'F', 0,'W','M','N', 0, 0, 0, 0, 0,
6990 0, 0, 0, 0,']', 0, 0,'G', 0, 0,'R','O', 0, 0, 0, 0,
6991 '@','A','B','C','D','E', 0, 0,'H','I','J','K','L', 0, 0, 0,
6992 'P','Q', 0,'S','T','U','V', 0,'X','Y','Z','[', 0, 0,'^', 0
6996 /* TODO: Use characters NOT numbers!!! */
6997 char CtrlCharTable
[]=
6998 {/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */
6999 124,193,194,195, 0,201, 0, 0, 0, 0, 0,210,211,212,213,214,
7000 215,216,217,226, 0,209,200, 0,231,232, 0, 0,224,189, 95,109,
7001 0, 0, 0, 0, 0, 0,230,173, 0, 0, 0, 0, 0,197,198,199,
7002 0, 0,229, 0, 0, 0, 0,196, 0, 0, 0, 0,227,228, 0,233,