/*
* rtfrmshell - back from shell, fix modes and return
*/
RETSIGTYPE
rtfrmshell(int sig)
{
signal(SIGCONT, SIG_DFL);
ttopen();
ttresize();
pclear(0, term.t_nrow);
pico_refresh(0, 1);
}
spawncli(f, n)
{
fortran void comlv$();
ttcolor(CTEXT);
ttnowindow();
ttmove(nrow-1, 0);
if (epresf != FALSE) {
tteeol();
epresf = FALSE;
}
ttclose();
comlv$();
sgarbf = TRUE; /* Force repaint. */
ttopen();
#ifndef NO_DIR
(void) dirinit(); /* current directory may have changed */
#endif
return (TRUE);
}
Dpause()
{
#ifdef hpux
return FALSE;
#else
#if BSDUNIX || LINUX
extern int sgarbf;
(*term.t_move)( term.t_nrow - 1, 0 );
(*term.t_eeop)();
ttflush();
ttclose();
killpg(getpgrp(0), 18); /* SIGTSTP -- stop the current program */
ttopen();
sgarbf = TRUE;
window_refresh(FALSE, 1);
#endif
return( TRUE );
#endif
}
/*ARGSUSED*/
spawncli(f, n) {
register void (*oisig)();
int status;
#ifdef EXTD_DIR
ensurecwd();
#endif
if (shellp == NULL) {
shellp = getenv("SHELL");
if (shellp == NULL)
shellp = getenv("shell");
if (shellp == NULL)
shellp = "command.x"; /* Safer. */
}
ttcolor(CTEXT);
ttnowindow();
ttmove(nrow-1, 0);
if (epresf != FALSE) {
tteeol();
epresf = FALSE;
}
ttclose();
sgarbf = TRUE; /* Force repaint. */
oisig = signal(SIGINT, SIG_IGN);
#ifdef EXTD_DIR
dirend();
#endif
if (spawnlp(P_WAIT, shellp, shellp, NULL) == -1) {
status = FALSE;
} else {
status = TRUE;
}
(VOID) signal(SIGINT, oisig);
ttopen();
if(status == FALSE) {
ewprintf("Failed to run %s", shellp);
sleep(2); /* Show this message for 2 sec */
/* before refresh screen. */
}
dirinit();
return (status);
}
/***
* smgopen - Get terminal type and open terminal
*
* Nothing returned
***/
smgopen()
{
static int first_time = 1;
/* Open channel to terminal (also sets sizes in TERM structure) */
ttopen();
/* Get SMG */
if (first_time)
{
first_time = 0;
if (smgcap())
meexit( 1);
}
#if KEYPAD
smgputs(applic_keypad);
#endif
#ifdef NEVER
smgputs( begin_mouse);
#endif
}
void ansiopen(void)
{
#if V7 | USG | BSD
char *cp;
if ((cp = getenv("TERM")) == NULL) {
puts("Shell variable TERM not defined!");
exit(1);
}
if (strcmp(cp, "vt100") != 0) {
puts("Terminal type not 'vt100'!");
exit(1);
}
#endif
#if WINNT
xstrcpy(sres, "WINNT");
#else
xstrcpy(sres, "NORMAL");
#endif
revexist = TRUE;
ttopen();
}
/*
* 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. Fill the
* "blanks" array with ASCII blanks. The rest is done
* at compile time. The original window is marked
* as needing full update, and the physical screen
* is marked as garbage, so all the right stuff happens
* on the first call to redisplay.
*/
void
vtinit (void)
{
register VIDEO *vp;
register int i;
ttopen ();
ttinit ();
vp = &video[0];
for (i = 0; i < NROW - 1; ++i)
{
vscreen[i] = vp;
++vp;
#if MEMMAP
/* don't need pscreen */
#else
pscreen[i] = vp;
++vp;
#endif
}
blanks.v_color = CTEXT;
memset (blanks.v_text, ' ', NCOL);
}
static int
tinfoopen(void)
{
int row, col;
/*
* determine the terminal's communication speed and decide
* if we need to do optimization ...
*/
if(ttisslow())
term_capabilities |= TT_OPTIMIZE;
col = _tcolumns;
row = _tlines;
if(row >= 0)
row--;
ttgetwinsz(&row, &col);
term.t_nrow = (short) row;
term.t_ncol = (short) col;
if(_cleartoeoln != NULL) /* able to use clear to EOL? */
term_capabilities |= TT_EOLEXIST;
else
term_capabilities &= ~TT_EOLEXIST;
if(_setinverse != NULL)
term_capabilities |= TT_REVEXIST;
else
term_capabilities &= ~TT_REVEXIST;
if(_deletechar == NULL && (_startdelete == NULL || _enddelete == NULL))
term_capabilities &= ~TT_DELCHAR;
if(_insertchar == NULL && (_startinsert == NULL || _endinsert == NULL))
term_capabilities &= ~TT_INSCHAR;
if((_scrollregion == NULL || _scrolldown == NULL || _scrollup == NULL)
&& (_deleteline == NULL || _insertline == NULL))
term_capabilities &= ~TT_SCROLLEXIST;
if(_clearscreen == NULL || _moveto == NULL || _up == NULL){
if(Pmaster == NULL){
puts("Incomplete terminfo entry\n");
exit(1);
}
}
ttopen();
if(_termcap_init && !Pmaster) {
putpad(_termcap_init); /* any init terminfo requires */
if (_scrollregion)
putpad(tgoto(_scrollregion, term.t_nrow, 0)) ;
}
/*
* Initialize UW-modified NCSA telnet to use its functionkeys
*/
if((gmode & MDFKEY) && Pmaster == NULL)
puts("\033[99h");
/* return ignored */
return(0);
}
int
ansiopen(void)
{
ttopen();
}
int main(int argc,char *argv[])
{
register int i;
int st, read_only;
char *sp;
extern char *ininame;
int batch(char *,char *);
void help(int);
st= 0;
#ifdef __386__
fprintf(stderr, "Nobby's Editor Version %s\n"
"Copyright (c) Nobby N. Hirano 1990-94\n", VERSION);
#endif
#ifdef TEXT98
lastdisplay= 24;
displaylen = 80;
#endif
#ifdef DOSV
lastdisplay= 0;
displaylen = 0;
#endif
read_only = beut_flg = OFF;
meminit();
keycount();
tool();
initdefkey();
for(i=1;i < argc;++i) {
sp= argv[i];
if(*sp == '-') {
sp= argv[i]+1;
while(*sp != '\0') {
switch(toupper(*sp)) { /* to lower case */
case 'B' : back_flg= ON; ++sp; break;
case 'E' : bat_flg= OFF; ++sp; break;
#if (defined TEXT98)
case 'H' : beut_flg= ON; ++sp; break;
case 'N' : beut_flg= OFF; ++sp; break;
#endif
case 'L' :
++sp;
if(*sp == '=') ++sp;
if((lastdisplay= atoi(sp)) != 0) {
while(isdigit(*sp)) ++sp;
break;
}
fprintf(stderr,"Unknow option '%s' !\n",sp);
help(1);
case 'V' :
fprintf(stderr,"Copyright (c) Nobby N. Hirano 1990 - 94 All rights reserved.\r\n"
#if (defined TEXT98)
"Version 5.0 %s for PC9801 & PC-286,386 i80286,386,486.\n"
#elif (defined ATVRAM)
# ifdef __386__
"Version %s %s for PC-DOS MS-DOS J5.0/V, J6.x/V DPMI Version.\n", VERSION
# else
"Version 6.0 %s for PC-DOS MS-DOS J5.0/V, J6.x/V.\n"
# endif
#elif (defined DOSV)
"Version 5.0 %s for PC-AT, its Compatible and J3100.\n"
#elif (defined UNIX)
"Version 1.1.0 %s for UNIX.\r\n"
#endif
,__DATE__);
exit(1);
case 'M' :
++sp;
execinitbl= ON;
break;
case 'R' :
++sp;
read_only = ON;
break;
case '?':
help(0);
case 'S' :
++sp;
if(*sp == '=') ++sp;
if((tabs= atoi(sp)) != 0) {
tabset= ON;
while(isdigit(*sp)) ++sp;
break;
}
default :
fprintf(stderr,"Unknow option '%s' !\n",sp);
help(1);
}
}
}
else {
++st;
arg_flg = ON;
}
}
if(execinitbl) {
printf("Write Key command tablefile to [keys.ini].\n");
toolwrite("keys.ini");
exit(0);
}
#ifdef UNIX
system("stty -icanon -echo intr ^T");
ttopen();
#endif
#if defined(TEXT98)
pushscrn();
#elif !defined(ATVRAM) && !defined(UNIX)
batch(NULL,"///");
#endif
#if defined(ATVRAM)
vtopen();
#elif defined(DOSV)
if(!lastdisplay) {
lastdisplay= *((unsigned char __far *)
# ifdef __386__
MK_FP(0x40, 0x84));
# else
0x400084);
#endif
if(lastdisplay < 24) lastdisplay = 24;
}
static void
tcapopen(void)
{
char *t, *p;
char tcbuf[2048];
char *tv_stype;
char err_str[72];
int i, j;
static int already_open = 0;
static const struct {
char *name;
char **data;
} tc_strings[] = {
{ "AL", &AL } /* add p1 lines above cursor */
,{ "DL", &DL } /* delete p1 lines, begin at cursor */
,{ "al", &al } /* add line below cursor */
,{ "ce", &CE } /* clear to end of line */
,{ "cl", &CL } /* clear screen, cursor to home */
,{ "cm", &CM } /* move cursor to row p1, col p2 */
,{ "cs", &CS } /* set scrolling to rows p1 .. p2 */
,{ "dl", &dl } /* delete line */
,{ "ke", &KE } /* end keypad-mode */
,{ "ks", &KS } /* start keypad-mode */
,{ "se", &SE } /* end standout-mode */
,{ "sf", &SF } /* scroll forward 1 line */
,{ "so", &SO } /* start standout-mode */
,{ "sr", &SR } /* scroll reverse 1 line */
,{ "te", &TE } /* end cursor-motion program */
,{ "ti", &TI } /* initialize cursor-motion program */
#if OPT_COLOR
,{ "AF", &Sf } /* set ANSI foreground-color */
,{ "AB", &Sb } /* set ANSI background-color */
,{ "Sf", &Sf } /* set foreground-color */
,{ "Sb", &Sb } /* set background-color */
,{ "op", &orig_colors } /* set to original color pair */
,{ "oc", &orig_colors } /* set to original colors */
#endif
#if OPT_FLASH
,{ "vb", &vb } /* visible bell */
#endif
#if OPT_VIDEO_ATTRS
,{ "me", &ME } /* turn off all attributes */
,{ "md", &MD } /* turn on bold attribute */
,{ "us", &US } /* underline-start */
,{ "ue", &UE } /* underline-end */
#endif
};
if (already_open)
return;
if ((tv_stype = getenv("TERM")) == NULL)
{
puts("Environment variable TERM not defined!");
ExitProgram(BADEXIT);
}
if ((tgetent(tcbuf, tv_stype)) != 1)
{
(void)lsprintf(err_str, "Unknown terminal type %s!", tv_stype);
puts(err_str);
ExitProgram(BADEXIT);
}
/* Get screen size from system, or else from termcap. */
getscreensize(&term.t_ncol, &term.t_nrow);
if ((term.t_nrow <= 1) && (term.t_nrow=(short)tgetnum("li")) == -1) {
term.t_nrow = 24;
}
if ((term.t_ncol <= 1) &&(term.t_ncol=(short)tgetnum("co")) == -1){
term.t_ncol = 80;
}
/* are we probably an xterm? */
p = tcbuf;
i_am_xterm = FALSE;
if (strncmp(tv_stype, "xterm", sizeof("xterm") - 1) == 0) {
i_am_xterm = TRUE;
x_origin = 0;
y_origin = 0;
}
else
while (*p && *p != ':') {
if (*p == 'x'
&& strncmp(p, "xterm", sizeof("xterm") - 1) == 0) {
i_am_xterm = TRUE;
x_origin = 0;
y_origin = 0;
break;
}
p++;
}
term.t_mrow = term.t_nrow;
term.t_mcol = term.t_ncol;
p = tcapbuf;
for (i = 0; i < TABLESIZE(tc_strings); i++) {
/* allow aliases */
if (*(tc_strings[i].data) == 0)
*(tc_strings[i].data) = tgetstr(tc_strings[i].name, &p);
}
#if HAVE_EXTERN_TCAP_PC
t = tgetstr("pc", &p);
if(t)
PC = *t;
#endif
if (SO != NULL)
revexist = TRUE;
if(CL == NULL || CM == NULL)
{
puts("Incomplete termcap entry\n");
ExitProgram(BADEXIT);
}
if (CE == NULL) /* will we be able to use clear to EOL? */
eolexist = FALSE;
if (!CS || !SR) { /* some xterm's termcap entry is missing entries */
if (i_am_xterm) {
if (!CS) CS = "\033[%i%d;%dr";
if (!SR) SR = "\033[M";
}
}
if (CS && SR) {
if (SF == NULL) /* assume '\n' scrolls forward */
SF = "\n";
term.t_scroll = tcapscroll_reg;
} else if ((DL && AL) || (dl && al)) {
term.t_scroll = tcapscroll_delins;
} else {
term.t_scroll = null_t_scroll;
}
#if OPT_COLOR
if (orig_colors == 0)
orig_colors = tgetstr("me", &p);
set_palette(initpalettestr);
#endif
#if OPT_VIDEO_ATTRS
if (US == 0 && UE == 0) { /* if we don't have underline, do bold */
US = MD;
UE = ME;
}
#endif
for (i = TABLESIZE(keyseqs); i--; ) {
char *seq = tgetstr(keyseqs[i].capname, &p);
if (seq) {
int len;
#define DONT_MAP_DEL 1
#if DONT_MAP_DEL
/* NetBSD, FreeBSD, etc. have the kD (delete) function key
defined as the DEL char. i don't like this hack, but
until we (and we may never) have separate system "map"
and "map!" maps, we can't allow this -- DEL has different
semantics in insert and command mode, whereas KEY_Delete
has the same semantics (whatever they may be) in both.
KEY_Delete is the only non-motion system map, by the
way -- so the rest are benign in insert or command
mode. */
if (strcmp(seq,"\177") == 0)
continue;
#endif
addtosysmap(seq, len = strlen(seq), keyseqs[i].code);
/*
* Termcap represents nulls as octal 200, which is ambiguous
* (ugh). To avoid losing escape sequences that may contain
* nulls, check here, and add a mapping for the strings with
* explicit nulls.
*/
#define TCAP_NULL '\200'
if (strchr(seq, TCAP_NULL) != 0) {
char temp[BUFSIZ];
(void)strcpy(temp, seq);
for (j = 0; j < len; j++)
if (char2int(temp[j]) == TCAP_NULL)
temp[j] = '\0';
addtosysmap(temp, len, keyseqs[i].code);
}
}
}
#if OPT_XTERM
addtosysmap("\033[M", 3, KEY_Mouse);
#if OPT_XTERM >= 3
addtosysmap("\033[t", 3, KEY_text);
addtosysmap("\033[T", 3, KEY_textInvalid);
#endif
#endif
if (p >= &tcapbuf[TCAPSLEN])
{
puts("Terminal description too big!\n");
ExitProgram(BADEXIT);
}
ttopen();
already_open = TRUE;
}
tcapopen()
{
char *getenv();
char *t, *p, *tgetstr();
char tcbuf[1024];
char *tv_stype;
char err_str[72];
if ((tv_stype = getenv("TERM")) == NULL)
{
puts("Environment variable TERM not defined!");
exit(1);
}
if ((tgetent(tcbuf, tv_stype)) != 1)
{
sprintf(err_str, "Unknown terminal type %s!", tv_stype);
puts(err_str);
exit(1);
}
if ((term.t_nrow=(short)tgetnum("li")-1) == -1){
puts("termcap entry incomplete (lines)");
exit(1);
}
term.t_mrow = term.t_nrow;
if ((term.t_ncol=(short)tgetnum("co")) == -1){
puts("Termcap entry incomplete (columns)");
exit(1);
}
term.t_mcol = term.t_ncol;
p = tcapbuf;
t = tgetstr("pc", &p);
if(t)
PC = *t;
CL = tgetstr("cl", &p);
CM = tgetstr("cm", &p);
CE = tgetstr("ce", &p);
UP = tgetstr("up", &p);
SE = tgetstr("se", &p);
SO = tgetstr("so", &p);
if (SO != NULL)
revexist = TRUE;
#if FIXSG & REVSTA
SG = tgetnum("sg"); /* standout glitch */
#endif
if(CL == NULL || CM == NULL || UP == NULL)
{
puts("Incomplete termcap entry\n");
exit(1);
}
if (CE == NULL) /* will we be able to use clear to EOL? */
eolexist = FALSE;
if (p >= &tcapbuf[TCAPSLEN])
{
puts("Terminal description too big!\n");
exit(1);
}
ttopen();
}
static void tcapopen(void)
{
char *t, *p;
char tcbuf[1024];
char *tv_stype;
char err_str[72];
int int_col, int_row;
if ((tv_stype = getenv("TERM")) == NULL) {
puts("Environment variable TERM not defined!");
exit(1);
}
if ((tgetent(tcbuf, tv_stype)) != 1) {
sprintf(err_str, "Unknown terminal type %s!",
tv_stype);
puts(err_str);
exit(1);
}
/* Get screen size from system, or else from termcap. */
getscreensize(&int_col, &int_row);
term.t_nrow = int_row - 1;
term.t_ncol = int_col;
if ((term.t_nrow <= 0)
&& (term.t_nrow = (short) tgetnum("li") - 1) == -1) {
puts("termcap entry incomplete (lines)");
exit(1);
}
if ((term.t_ncol <= 0)
&& (term.t_ncol = (short) tgetnum("co")) == -1) {
puts("Termcap entry incomplete (columns)");
exit(1);
}
#ifdef SIGWINCH
term.t_mrow = MAXROW;
term.t_mcol = MAXCOL;
#else
term.t_mrow = term.t_nrow > MAXROW ? MAXROW : term.t_nrow;
term.t_mcol = term.t_ncol > MAXCOL ? MAXCOL : term.t_ncol;
#endif
p = tcapbuf;
t = tgetstr("pc", &p);
if (t)
PC = *t;
else
PC = 0;
CL = tgetstr("cl", &p);
CM = tgetstr("cm", &p);
CE = tgetstr("ce", &p);
UP = tgetstr("up", &p);
SE = tgetstr("se", &p);
SO = tgetstr("so", &p);
if (SO != NULL)
revexist = TRUE;
if (tgetnum("sg") > 0) { /* can reverse be used? P.K. */
revexist = FALSE;
SE = NULL;
SO = NULL;
}
TI = tgetstr("ti", &p); /* terminal init and exit */
TE = tgetstr("te", &p);
if (CL == NULL || CM == NULL || UP == NULL) {
puts("Incomplete termcap entry\n");
exit(1);
}
if (CE == NULL) /* will we be able to use clear to EOL? */
eolexist = FALSE;
#if SCROLLCODE
CS = tgetstr("cs", &p);
SF = tgetstr("sf", &p);
SR = tgetstr("sr", &p);
DL = tgetstr("dl", &p);
AL = tgetstr("al", &p);
if (CS && SR) {
if (SF == NULL) /* assume '\n' scrolls forward */
SF = "\n";
term.t_scroll = tcapscroll_reg;
} else if (DL && AL) {
term.t_scroll = tcapscroll_delins;
} else {
term.t_scroll = NULL;
}
#endif
if (p >= &tcapbuf[TCAPSLEN]) {
puts("Terminal description too big!\n");
exit(1);
}
ttopen();
}
/*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;
}