v07i025: Patch to Xlisp 1.6 for Pyramid machines

[sources-request at mirror.UUCP]

Submitted by: john at monu1.oz (John Carey)
Mod.sources: Volume 7, Issue 25
Archive-name: xlisp.patch

I have modified xlsave in xleval.c so it works on a Pyramid 90x
using <varargs.h>.

					John Carey.
					john%monu1.oz at seismo.ARPA
    -------------------------CUT HERE-------------------------
#!/bin/sh
# This is a shell archive.  Remove anything before this line,
# then unpack it by saving it in a file and typing "sh file".

# Exit status; set to 1 on "wc" errors or if would overwrite.
STATUS=0
# Contents:  xlsave.c
 
echo x - xlsave.c
if test -f xlsave.c ; then
    echo xlsave.c exists, putting output in $$xlsave.c
    OUT=$$xlsave.c
    STATUS=1
else
    OUT=xlsave.c
fi
sed 's/^XX//' > $OUT <<'@//E*O*F xlsave.c//'
XX/* xlsave - save nodes on the stack */
XX#include	<varargs.h>
XXNODE ***xlsave(va_alist)
XX  va_dcl
XX{
XX    va_list	pvar;
XX    NODE ***oldstk,**nptr;

XX    /* save the old stack pointer */
XX    oldstk = xlstack;

XX    /* save each node pointer */
XX    va_start(pvar);
XX    for (nptr = va_arg(pvar, NODE **);
XX	nptr != (NODE **) NULL; nptr = va_arg(pvar, NODE **)) {
XX	if (xlstack <= xlstkbase)
XX	    xlabort("evaluation stack overflow");
XX	*--xlstack = nptr;
XX	*nptr = NIL;
XX    }
XX    va_end(pvar);

XX    /* return the old stack pointer */
XX    return (oldstk);
XX}
@//E*O*F xlsave.c//
chmod u=rw,g=rw,o=rw $OUT
 
echo Inspecting for damage in transit...
temp=/tmp/sharin$$; dtemp=/tmp/sharout$$
trap "rm -f $temp $dtemp; exit" 0 1 2 3 15
cat > $temp <<\!!!
      25      78     542 xlsave.c
!!!
wc  xlsave.c | sed 's=[^ ]*/==' | diff -b $temp - >$dtemp
if test -s $dtemp ; then
    echo "Ouch [diff of wc output]:"
    cat $dtemp
    STATUS=1
elif test $STATUS = 0 ; then
    echo "No problems found."
else
    echo "WARNING -- PROBLEMS WERE FOUND..."
fi
exit $STATUS