/*
* Clean up the terminal, in anticipation of
* a return to the command interpreter. This is a no-op
* on the ANSI display. On the SCALD display, it sets the
* window back to half screen scrolling. Perhaps it should
* query the display for the increment, and put it
* back to what it was.
*/
tttidy() {
#ifndef TCCONIO
if (TE && *TE) putpad(TE, 1); /* set the term back to normal mode */
putpad(tgoto(CM, 0, ttrow), 1); /* not nrow */
if (CE && *CE) putpad(CE, 1); /* erase one line */
# ifdef XKEYS
ttykeymaptidy();
# endif
#endif /* TCCONIO */
}
/*
* Clean up the terminal, in anticipation of a return to the command
* interpreter. This is a no-op on the ANSI display. On the SCALD display,
* it sets the window back to half screen scrolling. Perhaps it should
* query the display for the increment, and put it back to what it was.
*/
void
tttidy(void)
{
#ifdef XKEYS
ttykeymaptidy();
#endif /* XKEYS */
/* set the term back to normal mode */
if (exit_ca_mode)
putpad(exit_ca_mode, 1);
}
/*
* Clean up the terminal, in anticipation of
* a return to the command interpreter. This is a no-op
* on the ANSI display. On the SCALD display, it sets the
* window back to half screen scrolling. Perhaps it should
* query the display for the increment, and put it
* back to what it was.
*/
void
tttidy (void)
{
if (TE && *TE)
putpad (TE); /* set the term back to normal mode */
#ifdef XKEYS
ttykeymaptidy ();
#endif
/* Disable xterm mouse event reporting.
*/
if (xterm_mouse)
ttputs ("\033[?9l", 5);
}
/*
* Clean up the terminal, in anticipation of
* a return to the command interpreter. This is a no-op
* on the ANSI display. On the SCALD display, it sets the
* window back to half screen scrolling. Perhaps it should
* query the display for the increment, and put it
* back to what it was.
*/
tttidy() {
if (TE && *TE) putpad(TE, 1); /* set the term back to normal mode */
#ifdef XKEYS
ttykeymaptidy();
#endif
}
/*ARGSUSED*/
spawncli(f, n)
{
extern char *strrchr();
register int pid;
register int wpid;
register VOID (*oqsig)();
register VOID (*oisig)();
#ifdef ADDFUNC /* 93.07.08 by S.Yoshida */
#ifdef SIGWINCH /* 93.07.08 by S.Yoshida */
register VOID (*owsig)();
#endif
#ifdef SIGTSTP /* 93.07.08 by S.Yoshida */
register int omask;
#endif
#endif /* ADDFUNC */
int status = FALSE;
int errp = FALSE;
#ifdef XKEYS /* 92.03.16 by Gen KUROKI */
ttykeymaptidy();
#endif /* XKEYS */
if (shellp == NULL) {
shellp = getenv("SHELL");
if (shellp == NULL)
shellp = getenv("shell");
if (shellp == NULL)
shellp = "/bin/sh"; /* Safer. */
shname = strrchr( shellp, '/' );
shname = shname ? shname+1 : shellp;
}
ttcolor(CTEXT);
ttnowindow();
#ifdef ADDFUNC /* 93.07.08 by S.Yoshida */
#ifdef SIGTSTP /* 93.07.08 by S.Yoshida */
if (strcmp(shellp, "/bin/csh") == 0) {
if (epresf != FALSE) {
ttmove(nrow-1, 0);
tteeol();
epresf = FALSE;
} /* Csh types a "\n" */
ttmove(nrow-2, 0); /* before "Stopped". */
} else {
#endif
#endif
ttmove(nrow-1, 0);
if (epresf != FALSE) {
tteeol();
epresf = FALSE;
}
#ifdef ADDFUNC /* 93.07.08 by S.Yoshida */
#ifdef SIGTSTP /* 93.07.08 by S.Yoshida */
}
#endif
#endif
ttclose();
sgarbf = TRUE; /* Force repaint. */
#ifdef ADDFUNC /* 93.07.08 by S.Yoshida */
#ifdef SIGTSTP /* 93.07.08 by S.Yoshida */
# ifdef HAVE_GETSID
if (job_control) {
# else
if (strcmp(shellp, "/bin/sh")!=0 ||
getenv("BASH_VERSION") || getenv("BASH")) {
/* C shell, ksh or bash */
# endif
/* omask = sigsetmask(0); */
oqsig = signal(SIGQUIT, SIG_IGN);
oisig = signal(SIGINT, SIG_IGN);
#ifdef SIGWINCH /* 93.07.08 by S.Yoshida */
owsig = signal(SIGWINCH, SIG_IGN);
#endif
(void) kill(0, SIGTSTP);
/* (void) sigsetmask(omask); */
signal(SIGINT, oisig);
signal(SIGQUIT, oqsig);
#ifdef SIGWINCH /* 93.07.08 by S.Yoshida */
signal(SIGWINCH, owsig);
#endif
} else { /* Bourne shell. */
#endif /* SIGTSTP */
#endif /* ADDFUNC */
oqsig = signal(SIGQUIT, SIG_IGN);
oisig = signal(SIGINT, SIG_IGN);
#ifdef ADDFUNC /* 93.07.08 by S.Yoshida */
#ifdef SIGWINCH /* 93.07.08 by S.Yoshida */
owsig = signal(SIGWINCH, SIG_IGN);
#endif
#endif
if ((pid=fork()) == 0) {
(void) signal(SIGINT, oisig);
(void) signal(SIGQUIT, oqsig);
#ifdef ADDFUNC /* 93.07.08 by S.Yoshida */
#ifdef SIGWINCH /* 93.07.08 by S.Yoshida */
(void) signal(SIGWINCH, owsig);
#endif
#endif
#ifdef EXTD_DIR
dirend();
#endif
execlp(shellp, shname, "-i", (char *)NULL);
_exit(1); /* Should do better! */
}
else if (pid > 0) {
while ((wpid=wait(&status))>=0 && wpid!=pid)
;
}
else errp = TRUE;
signal(SIGINT, oisig);
signal(SIGQUIT, oqsig);
#ifdef ADDFUNC /* 93.07.08 by S.Yoshida */
#ifdef SIGWINCH /* 93.07.08 by S.Yoshida */
signal(SIGWINCH, owsig);
#endif
#ifdef SIGTSTP /* 93.07.08 by S.Yoshida */
}
#endif
#endif
ttopen();
#ifdef SIGWINCH /* by A.ITO 21 Jan. 1991 / by S.Yoshida */
refresh(FFRAND, 0); /* May be resized. */
#endif
if(errp)
ewprintf("Failed to create process");
#ifdef XKEYS /* 92.03.16 by Gen KUROKI */
ttykeypadstart();
#endif /* XKEYS */
return !( errp | status );
}
#ifndef NO_SHELL /* 91.01.10 by K.Maeda */
#include <sys/types.h>
#include <sys/stat.h>
/*
* Call process in subshell.
* Execute COMMAND binding standard input to file INPUT.
* NULL as INPUT means standard input should be bound to
* /dev/null or whatever equivalent in your OS.
* All output during the execution (including standard error output)
* should go into a scratch file, whose name call_process() returns.
* Return value NULL means error in some stage of the execution.
* In that case, scratch file should be deleted.
*/
char *
call_process(command, input)
char *command;
char *input;
{
char buf[256];
char *tmp;
static char tmpbuf[20];
int ostdin, ostdout, ostderr, in, out, s;
extern char *mktemp();
strcpy(tmpbuf, "/tmp/ngXXXXXX");
if ((tmp = mktemp(tmpbuf)) == NULL)
return NULL;
if ((in = open(input ? input : "/dev/null", 0)) < 0)
return NULL;
if ((out = creat(tmp, S_IREAD | S_IWRITE)) < 0) {
close(in);
return NULL;
}
ostdin = dup(0); ostdout = dup(1); ostderr = dup(2);
if (ostdin < 0 || ostdout < 0 || ostderr < 0) {
s = -1;
goto skip;
}
#ifndef SVR2 /* 91.02.04 SVR3 or later. by Junn Ohta */
dup2(in, 0);
dup2(out, 1);
dup2(out, 2);
#else /* SVR2 */
close(0); dup(in);
close(1); dup(out);
close(2); dup(out);
#endif /* SVR2 */
strcpy(buf, command);
#ifdef EXTD_DIR
ensurecwd();
#endif
s = system(buf);
close(in);
close(out);
#ifndef SVR2 /* 91.02.04 SVR3 or later. by Junn Ohta */
dup2(ostdin, 0); dup2(ostdout, 1); dup2(ostderr, 2);
#else /* SVR2 */
close(0); dup(ostdin);
close(1); dup(ostdout);
close(2); dup(ostderr);
#endif /* SVR2 */
skip: close(ostdin); close(ostdout); close(ostderr);
if (s == -1) {
unlink(tmp);
return NULL;
}
return tmp;
}
