int
x_rev (unit *ftnunit)
{
int n;
int save_f90nadv = ftnunit->f90nadv;
XINT save_recpos = ftnunit->f77recpos;
if (ftnunit->f90nadv) ftnunit->f90nadv = NOADVANCE_AT_REV;
n = xrd_SL(ftnunit);
if (save_f90nadv) {
ftnunit->f90nadv = save_f90nadv;
ftnunit->f77recpos = save_recpos;
}
return n;
}
int
x_rev(Void)
{
(void) xrd_SL();
return(0);
}
int
x_endp(Void)
{
xrd_SL();
return f__curunit->uend == 1 ? EOF : 0;
}
int
x_rev(void)
{
(void) xrd_SL();
return 0;
}
int
x_endp(void)
{
xrd_SL();
return ((f__curunit->uend == 1) ? EOF : 0);
}
int s_rsfe_com (cilist *a, unit **fu)
#endif
{
int n;
unit *ftnunit;
if (!f77init)
f_init ();
if (n = c_sfe (a, fu))
return (n);
ftnunit = *fu;
/* Fix BN 9768.
* If user tries to read from stdout then cause startio to abort with an
* error. This is particularly importrant if a user is tries to read from
* fortran unit 6 , which by default is connected to stdout. Even though
* the standard says nothing about the way unit 5 and unit 6 should be
* handled, I generally think that it is a good idea to distinguish
* between these and not allow users to read from stdout.
* ---ravi---1/7/92
*/
/* Fix 12308: Read error from stdout should occur for only files
* connected to terminal. The change is taken from the 'fix'
* section of the bug description - Bhaskar 08/14/92 */
if (ftnunit->ufd == stdout && isatty (fileno (ftnunit->ufd)))
errret(a->cierr, 173, "startio");
ftnunit->f77errlist.cierr = a->cierr;
ftnunit->f77errlist.ciend = a->ciend;
ftnunit->f77errlist.cieor = a->cieor;
ftnunit->f77errlist.cisize = a->cisize;
ftnunit->f77errlist.iciunit = 0;
ftnunit->f77scale = 0;
ftnunit->f77fmtbuf = a->cifmt;
if (ftnunit->uacc == KEYED) {
ftnunit->f77idxlist.cimatch = a->cimatch;
ftnunit->f77idxlist.cikeytype = a->cikeytype;
ftnunit->f77idxlist.cikeyval.cicharval = a->cikeyval.cicharval;
ftnunit->f77idxlist.cikeyid = a->cikeyid;
ftnunit->f77idxlist.cinml = a->cinml;
ftnunit->f77idxlist.cikeyvallen = a->cikeyvallen;
}
else {
if (ftnunit->uacc == DIRECT)
errret(a->cierr, 171, "sequential read");
if (ftnunit->ualias->ucc == CC_FORTRAN &&
ftnunit->ualias->ucchar) {
putc (ftnunit->ualias->ucchar, ftnunit->ualias->ufd);
ftnunit->ualias->ucchar = '\0';
} else if (ftnunit->ucc == CC_FORTRAN && ftnunit->ucchar) {
putc (ftnunit->ucchar, ftnunit->ufd);
ftnunit->ucchar = '\0';
}
}
#ifdef I90
ftnunit->f90sw = 0;
ftnunit->f90nadv = 0;
#endif
if (pars_f (ftnunit, ftnunit->f77fmtbuf) < 0)
errret(a->cierr, 100, "startio");
ftnunit->f77getn = x_getc;
ftnunit->f77gets = x_gets;
ftnunit->f77ungetn = x_ungetc;
ftnunit->f77doed = rd_ed;
ftnunit->f77doned = rd_ned;
fmt_bg (ftnunit);
ftnunit->f77doend = x_endp;
ftnunit->f77donewrec = xrd_SL;
ftnunit->f77dorevert = x_rev;
ftnunit->f77cblank = ftnunit->ublnk;
ftnunit->f77cplus = 0;
if (ftnunit->ufd == stdin && feof (ftnunit->ufd) && f77vms_flag_[VMS_IN])
clearerr(ftnunit->ufd);
(void) f77nowreading (ftnunit);
check_buflen( ftnunit, ftnunit->url > FIO_ALLOC ? ftnunit->url : FIO_ALLOC );
#ifdef I90
if (ftnunit->uaction == WRITEONLY )
errret(ftnunit->f77errlist.cierr,180,"startread");
ftnunit->f77recpos = 0;
ftnunit->f77recend = 0;
#endif
n = xrd_SL (ftnunit);
if (n > 0) {
errret(a->cierr, n, "s_rsfe");
} else if (n < 0) {
errret(a->ciend, n, "s_rsfe");
} else
return(0);
}
int
x_endp()
{
xrd_SL();
return(0);
}
int
x_rev()
{
xrd_SL();
return(0);
}
