/*
* Run a one-liner in a subjob. When the command returns, wait for a single
* character to be typed, then mark the screen as garbage so a full repaint is
* done. Bound to "C-X !".
*/
spawn(f, n)
{
register int s;
char line[NLINE];
/* don't allow this command if restricted */
if (restflag)
return(resterr());
if ((s=mlreply("!", line, NLINE)) != TRUE)
return(s);
TTputc('\n'); /* Already have '\r' */
TTflush();
TTclose(); /* stty to old modes */
system(line);
TTopen();
TTflush();
/* if we are interactive, pause here */
if (clexec == FALSE) {
mlputs(TEXT6);
/* "\r\n\n[End]" */
tgetc();
}
sgarbf = TRUE;
return(TRUE);
}
execprg(f, n)
{
register int s;
char line[NLINE];
/* don't allow this command if restricted */
if (restflag)
return(resterr());
if ((s=mlreply("!", line, NLINE)) != TRUE)
return(s);
TTputc('\n'); /* Already have '\r' */
TTflush();
TTclose(); /* stty to old modes */
system(line);
TTopen();
mlputs(TEXT188); /* Pause. */
/* "[End]" */
TTflush();
while ((s = tgetc()) != '\r' && s != ' ')
;
sgarbf = TRUE;
return(TRUE);
}
/*
* Create a subjob with a copy of the command intrepreter in it. When the
* command interpreter exits, mark the screen as garbage so that you do a full
* repaint. Bound to "^X C". The message at the start in VMS puts out a newline.
* Under some (unknown) condition, you don't get one free when DCL starts up.
*/
spawncli(f, n)
{
register char *cp;
char *getenv();
/* don't allow this command if restricted */
if (restflag)
return(resterr());
movecursor(term.t_nrow, 0); /* Seek to last line. */
TTflush();
TTclose(); /* stty to old settings */
if ((cp = getenv("SHELL")) != NULL && *cp != '\0')
system(cp);
else
#if BSD | SUN
system("exec /bin/csh");
#else
system("exec /bin/sh");
#endif
sgarbf = TRUE;
sleep(2);
TTopen();
return(TRUE);
}
/*
* Initialize the data structures used by the display code. The edge vectors
* used to access the screens are set up. The operating system's terminal I/O
* channel is set up. All the other things get initialized at compile time.
* The original window has "WFCHG" set, so that it will get completely
* redrawn on the first call to "update".
*/
void vtinit(void)
{
int i;
struct video *vp;
TTopen(); /* open the screen */
TTkopen(); /* open the keyboard */
TTrev(FALSE);
vscreen = xmalloc(term.t_mrow * sizeof(struct video *));
#if MEMMAP == 0 || SCROLLCODE
pscreen = xmalloc(term.t_mrow * sizeof(struct video *));
#endif
for (i = 0; i < term.t_mrow; ++i) {
vp = xmalloc(sizeof(struct video) + term.t_mcol*4);
vp->v_flag = 0;
#if COLOR
vp->v_rfcolor = 7;
vp->v_rbcolor = 0;
#endif
vscreen[i] = vp;
#if MEMMAP == 0 || SCROLLCODE
vp = xmalloc(sizeof(struct video) + term.t_mcol*4);
vp->v_flag = 0;
pscreen[i] = vp;
#endif
}
}
int execprg(int f, int n)
{
#ifndef WINNT
int s;
char line[NLINE];
#endif
/* don't allow this command if restricted */
if (restflag)
return resterr();
#if WINNT
mlwrite("(unsupported)");
return FALSE;
#endif
#if VMS
if ((s = mlreply("!", line, NLINE)) != TRUE)
return s;
TTflush();
s = sys(line); /* Run the command. */
mlputs("\r\n\n(End)"); /* Pause. */
TTflush();
tgetc();
sgarbf = TRUE;
return s;
#endif
#if MSDOS
if ((s = mlreply("$", line, NLINE)) != TRUE)
return s;
movecursor(term.t_nrow, 0);
TTkclose();
execprog(line);
TTkopen();
/* if we are interactive, pause here */
if (clexec == FALSE) {
mlputs("\r\n(End)");
tgetc();
}
sgarbf = TRUE;
return TRUE;
#endif
#if V7 | USG | BSD
if ((s = mlreply("!", line, NLINE)) != TRUE)
return s;
TTputc('\n'); /* Already have '\r' */
TTflush();
TTclose(); /* stty to old modes */
TTkclose();
system(line);
fflush(stdout); /* to be sure P.K. */
TTopen();
mlputs("(End)"); /* Pause. */
TTflush();
while ((s = tgetc()) != '\r' && s != ' ');
sgarbf = TRUE;
return TRUE;
#endif
}
void vtinit()
{
register int i;
register VIDEO *vp;
TTopen(); /* open the screen */
TTkopen(); /* open the keyboard */
TTrev(FALSE);
vscreen = (VIDEO **) malloc(term.t_mrow*sizeof(VIDEO *));
if (vscreen == NULL)
exit(1);
#if MEMMAP == 0
pscreen = (VIDEO **) malloc(term.t_mrow*sizeof(VIDEO *));
if (pscreen == NULL)
exit(1);
#endif
for (i = 0; i < term.t_mrow; ++i)
{
vp = (VIDEO *) malloc(sizeof(VIDEO)+term.t_mcol);
if (vp == NULL)
exit(1);
vp->v_flag = 0;
#if COLOR
vp->v_rfcolor = 7;
vp->v_rbcolor = 0;
#endif
vscreen[i] = vp;
#if MEMMAP == 0
vp = (VIDEO *) malloc(sizeof(VIDEO)+term.t_mcol);
if (vp == NULL)
exit(1);
vp->v_flag = 0;
pscreen[i] = vp;
#endif
}
}
// Initialize the data structures used by the display code. The edge vectors used to access the screens are set up. The
// operating system's terminal I/O channel is set up. All the other things get initialized at compile time. The original
// window has "WFCHGD" set, so that it will get completely redrawn on the first call to "update". Return status.
int vtinit(void) {
int i;
Video *vvp,*pvp;
static char myname[] = "vtinit";
if(TTopen() != SUCCESS || // Open the screen.
TTkopen() != SUCCESS || // Open the keyboard.
TTrev(false) != SUCCESS)
return rc.status;
// Allocate the virtual screen and physical shadow screen arrays (of pointers).
if((vscreen = (Video **) malloc(term.t_mrow * sizeof(Video *))) == NULL ||
(pscreen = (Video **) malloc(term.t_mrow * sizeof(Video *))) == NULL)
return rcset(PANIC,0,text94,myname);
// "%s(): Out of memory!"
// For every line in the display terminal.
i = 0;
do {
// Allocate a virtual screen line and physical shadow screen line.
if((vvp = (Video *) malloc(sizeof(Video) + term.t_mcol)) == NULL ||
(pvp = (Video *) malloc(sizeof(Video) + term.t_mcol)) == NULL)
return rcset(PANIC,0,text94,myname);
// "%s(): Out of memory!"
// Initialize virtual line and save in line array.
vvp->v_flags = 0; // Init change flags.
vvp->v_left = FARRIGHT; // Init requested rev video boundaries.
vvp->v_right = 0;
#if COLOR
vvp->v_rfcolor = 7; // Init fore/background colors.
vvp->v_rbcolor = 0;
#endif
vscreen[i] = vvp;
// Initialize physical line and save in line array.
pvp->v_flags = VFNEW;
pvp->v_left = FARRIGHT;
pvp->v_right = 0;
pscreen[i] = pvp;
} while(++i < term.t_mrow);
return rc.status;
}
/* the #ifdefs have been totally separated, for readability */
static int
spawn1(int rerun, int pressret)
{
#if DISP_IBMPC
int closed;
#endif
#if COMMON_SH_PROMPT
register int s;
char line[NLINE]; /* command line send to shell */
if ((s = ShellPrompt(&save_shell[0], line, rerun)) != TRUE)
return s;
#endif /* COMMON_SH_PROMPT */
/* take care of autowrite */
if (writeall(FALSE,1,FALSE,TRUE,TRUE) != TRUE)
return FALSE;
#if SYS_UNIX
#if DISP_X11
(void)system_SHELL(line);
#else
ttclean(TRUE);
(void)system_SHELL(line);
TTflush();
ttunclean();
if (pressret)
pressreturn();
TTopen();
TTkopen();
TTflush();
sgarbf = TRUE;
#endif /* DISP_X11 */
return AfterShell();
#endif /* SYS_UNIX */
#if SYS_VMS
TTputc('\n'); /* Already have '\r' */
TTflush();
s = sys(line); /* Run the command. */
mlforce("\r\n\n[End]"); /* Pause. */
TTflush();
(void)keystroke();
sgarbf = TRUE;
return (s);
#endif
#if SYS_WIN31
mlforce("[Not in Windows 3.1]");
return FALSE;
#endif
#if SYS_MSDOS || SYS_OS2 || SYS_WINNT
bottomleft();
TTputc('\n');
TTflush();
TTkclose();
#if DISP_IBMPC
/* If we don't reset to 80x25, parts of the shell-output will go
* astray.
*/
closed = term.t_ncol != 80 || term.t_nrow != 25;
if (closed)
TTclose();
#endif
system(line);
TTkopen();
/* if we are interactive, pause here */
if (pressret) {
pressreturn();
}
#if DISP_IBMPC
/* Reopen the display _after_ the prompt, to keep the shell-output
* in the same type of screen as the prompt.
*/
if (closed)
TTopen();
#endif
sgarbf = TRUE;
return AfterShell();
#endif
}
/*
* Pipe a one line command into a window
* Bound to ^X @
*/
pipecmd(f, n)
{
register int s; /* return status from CLI */
register WINDOW *wp; /* pointer to new window */
register BUFFER *bp; /* pointer to buffer to zot */
char line[NLINE]; /* command line send to shell */
static char bname[] = "command";
static char filnam[NFILEN] = "command";
/* don't allow this command if restricted */
if (restflag)
return(resterr());
/* get the command to pipe in */
if ((s=mlreply("@", line, NLINE)) != TRUE)
return(s);
/* get rid of the command output buffer if it exists */
if ((bp=bfind(bname, FALSE, 0)) != FALSE) {
/* try to make sure we are off screen */
wp = wheadp;
while (wp != NULL) {
if (wp->w_bufp == bp) {
onlywind(FALSE, 1);
break;
}
wp = wp->w_wndp;
}
if (zotbuf(bp) != TRUE)
return(FALSE);
}
TTputc('\n'); /* Already have '\r' */
TTflush();
TTclose(); /* stty to old modes */
strcat(line,">");
strcat(line,filnam);
system(line);
TTopen();
TTflush();
sgarbf = TRUE;
s = TRUE;
if (s != TRUE)
return(s);
/* split the current window to make room for the command output */
if (splitwind(FALSE, 1) == FALSE)
return(FALSE);
/* and read the stuff in */
if (getfile(filnam, FALSE) == FALSE)
return(FALSE);
/* make this window in VIEW mode, update all mode lines */
curwp->w_bufp->b_mode |= MDVIEW;
wp = wheadp;
while (wp != NULL) {
wp->w_flag |= WFMODE;
wp = wp->w_wndp;
}
/* and get rid of the temporary file */
unlink(filnam);
return(TRUE);
}
rtfrmshell()
{
TTopen();
curwp->w_flag = WFHARD;
sgarbf = TRUE;
}
/*
* Create a subjob with a copy of the command intrepreter in it. When the
* command interpreter exits, mark the screen as garbage so that you do a full
* repaint. Bound to "^X C". The message at the start in VMS puts out a newline.
* Under some (unknown) condition, you don't get one free when DCL starts up.
*/
int spawncli(int f, int n)
{
#if V7 | USG | BSD
char *cp;
#endif
/* don't allow this command if restricted */
if (restflag)
return resterr();
#if WINNT
mlwrite("(unsupported)");
return FALSE;
#endif
#if VMS
movecursor(term.t_nrow, 0); /* In last line. */
mlputs("(Starting DCL)\r\n");
TTflush(); /* Ignore "ttcol". */
sgarbf = TRUE;
sys(NULL);
sleep(1);
mlputs("\r\n(Returning from DCL)\r\n");
TTflush();
sleep(1);
return TRUE;
#endif
#if MSDOS & (MSC | TURBO)
movecursor(term.t_nrow, 0); /* Seek to last line. */
TTflush();
TTkclose();
shellprog("");
TTkopen();
sgarbf = TRUE;
return TRUE;
#endif
#if V7 | USG | BSD
movecursor(term.t_nrow, 0); /* Seek to last line. */
TTflush();
TTclose(); /* stty to old settings */
TTkclose(); /* Close "keyboard" */
if ((cp = getenv("SHELL")) != NULL && *cp != '\0')
system(cp);
else
#if BSD
system("exec /bin/csh");
#else
system("exec /bin/sh");
#endif
sgarbf = TRUE;
sleep(2);
TTopen();
TTkopen();
#ifdef SIGWINCH
/*
* This fools the update routines to force a full
* redraw with complete window size checking.
* -lbt
*/
chg_width = term.t_ncol;
chg_height = term.t_nrow + 1;
term.t_nrow = term.t_ncol = 0;
#endif
return TRUE;
#endif
}
/*
* filter a buffer through an external DOS program
* Bound to ^X #
*/
int filter_buffer(int f, int n)
{
int s; /* return status from CLI */
struct buffer *bp; /* pointer to buffer to zot */
char line[NLINE]; /* command line send to shell */
char tmpnam[NFILEN]; /* place to store real file name */
static char bname1[] = "fltinp";
static char filnam1[] = "fltinp";
static char filnam2[] = "fltout";
/* don't allow this command if restricted */
if (restflag)
return resterr();
if (curbp->b_mode & MDVIEW) /* don't allow this command if */
return rdonly(); /* we are in read only mode */
#if VMS
mlwrite("Not available under VMS");
return FALSE;
#endif
/* get the filter name and its args */
if ((s = mlreply("#", line, NLINE)) != TRUE)
return s;
/* setup the proper file names */
bp = curbp;
xstrcpy(tmpnam, bp->b_fname); /* save the original name */
xstrcpy(bp->b_fname, bname1); /* set it to our new one */
/* write it out, checking for errors */
if (writeout(filnam1) != TRUE) {
mlwrite("(Cannot write filter file)");
xstrcpy(bp->b_fname, tmpnam);
return FALSE;
}
#if MSDOS
strcat(line, " <fltinp >fltout");
movecursor(term.t_nrow - 1, 0);
TTkclose();
shellprog(line);
TTkopen();
sgarbf = TRUE;
s = TRUE;
#endif
#if V7 | USG | BSD
TTputc('\n'); /* Already have '\r' */
TTflush();
TTclose(); /* stty to old modes */
TTkclose();
strcat(line, " <fltinp >fltout");
system(line);
TTopen();
TTkopen();
TTflush();
sgarbf = TRUE;
s = TRUE;
#endif
/* on failure, escape gracefully */
if (s != TRUE || (readin(filnam2, FALSE) == FALSE)) {
mlwrite("(Execution failed)");
xstrcpy(bp->b_fname, tmpnam);
unlink(filnam1);
unlink(filnam2);
return s;
}
/* reset file name */
xstrcpy(bp->b_fname, tmpnam); /* restore name */
bp->b_flag |= BFCHG; /* flag it as changed */
/* and get rid of the temporary file */
unlink(filnam1);
unlink(filnam2);
return TRUE;
}
/*
* Pipe a one line command into a window
* Bound to ^X @
*/
int pipecmd(int f, int n)
{
int s; /* return status from CLI */
struct window *wp; /* pointer to new window */
struct buffer *bp; /* pointer to buffer to zot */
char line[NLINE]; /* command line send to shell */
static char bname[] = "command";
static char filnam[NSTRING] = "command";
#if MSDOS
char *tmp;
FILE *fp;
int len;
#endif
/* don't allow this command if restricted */
if (restflag)
return resterr();
#if MSDOS
if ((tmp = getenv("TMP")) == NULL
&& (tmp = getenv("TEMP")) == NULL)
xstrcpy(filnam, "command");
else {
xstrcpy(filnam, tmp);
len = strlen(tmp);
if (len <= 0 || filnam[len - 1] != '\\'
&& filnam[len - 1] != '/')
strcat(filnam, "\\");
strcat(filnam, "command");
}
#endif
#if VMS
mlwrite("Not available under VMS");
return FALSE;
#endif
/* get the command to pipe in */
if ((s = mlreply("@", line, NLINE)) != TRUE)
return s;
/* get rid of the command output buffer if it exists */
if ((bp = bfind(bname, FALSE, 0)) != FALSE) {
/* try to make sure we are off screen */
wp = wheadp;
while (wp != NULL) {
if (wp->w_bufp == bp) {
#if PKCODE
if (wp == curwp)
delwind(FALSE, 1);
else
onlywind(FALSE, 1);
break;
#else
onlywind(FALSE, 1);
break;
#endif
}
wp = wp->w_wndp;
}
if (zotbuf(bp) != TRUE)
return FALSE;
}
#if MSDOS
strcat(line, " >>");
strcat(line, filnam);
movecursor(term.t_nrow, 0);
TTkclose();
shellprog(line);
TTkopen();
sgarbf = TRUE;
if ((fp = fopen(filnam, "r")) == NULL) {
s = FALSE;
} else {
fclose(fp);
s = TRUE;
}
#endif
#if V7 | USG | BSD
TTflush();
TTclose(); /* stty to old modes */
TTkclose();
strcat(line, ">");
strcat(line, filnam);
system(line);
TTopen();
TTkopen();
TTflush();
sgarbf = TRUE;
s = TRUE;
#endif
if (s != TRUE)
return s;
/* split the current window to make room for the command output */
if (splitwind(FALSE, 1) == FALSE)
return FALSE;
/* and read the stuff in */
if (getfile(filnam, FALSE) == FALSE)
return FALSE;
/* make this window in VIEW mode, update all mode lines */
curwp->w_bufp->b_mode |= MDVIEW;
wp = wheadp;
while (wp != NULL) {
wp->w_flag |= WFMODE;
wp = wp->w_wndp;
}
/* and get rid of the temporary file */
unlink(filnam);
return TRUE;
}
