Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!lll-winken!uunet!mcvax!ukc!warwick!cudcv
From: cudcv@warwick.ac.uk (Rob McMahon)
Newsgroups: comp.sources.bugs
Subject: rh - parse problems
Message-ID: <151@titania.warwick.ac.uk>
Date: 4 May 89 09:59:51 GMT
Reply-To: cudcv@warwick.ac.uk (Rob McMahon)
Organization: Computing Services, Warwick University, UK
Lines: 36

rh fails with an expression like `size == (8)' with an error `missing ')'',
because the rhparse.c(ungetit) routine fails to put back the last character of
the expression, so that the final `)' is never seen.  This patch appears to
fix the problem.

RCS file: rhparse.c,v
retrieving revision 1.2
diff -c -r1.2 rhparse.c
*** /tmp/,RCSt1a02508	Thu May  4 10:57:35 1989
--- rhparse.c	Thu May  4 10:38:00 1989
***************
*** 39,45 ****
  int c;
  {
  	cpos--;
! 	if( dashe ) expstr = (*expstr) ? expstr-1 : expstr;
  	else ungetc(c,expfile);
  }
  
--- 39,48 ----
  int c;
  {
  	cpos--;
! 	if( dashe ) {
! 		if( c != EOF )
! 			expstr--;
! 	}
  	else ungetc(c,expfile);
  }
  

Rob
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Rob McMahon, Computing Services, Warwick University, Coventry CV4 7AL, England