===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/cvs/rcs.c,v
retrieving revision 1.240
retrieving revision 1.241
diff -c -r1.240 -r1.241
*** src/usr.bin/cvs/rcs.c	2008/01/28 21:33:20	1.240
--- src/usr.bin/cvs/rcs.c	2008/01/31 20:29:16	1.241
***************
*** 1,4 ****
! /*	$OpenBSD: rcs.c,v 1.240 2008/01/28 21:33:20 tobias Exp $	*/
  /*
   * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
   * All rights reserved.
--- 1,4 ----
! /*	$OpenBSD: rcs.c,v 1.241 2008/01/31 20:29:16 joris Exp $	*/
  /*
   * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
   * All rights reserved.
***************
*** 1132,1137 ****
--- 1132,1186 ----
  	dlines->l_nblines = lineno - 1;
  
  	return (0);
+ }
+ 
+ void
+ rcs_delta_stats(struct rcs_delta *rdp, int *ladded, int *lremoved)
+ {
+ 	struct cvs_lines *plines;
+ 	struct cvs_line *lp;
+ 	int added, i, lineno, nbln, removed;
+ 	char op, *ep;
+ 	u_char tmp;
+ 
+ 	added = removed = 0;
+ 
+ 	plines = cvs_splitlines(rdp->rd_text, rdp->rd_tlen);
+ 	lp = TAILQ_FIRST(&(plines->l_lines));
+ 
+ 	/* skip first bogus line */
+ 	for (lp = TAILQ_NEXT(lp, l_list); lp != NULL;
+ 	    lp = TAILQ_NEXT(lp, l_list)) {
+ 		if (lp->l_len < 2)
+ 			fatal("line too short, RCS patch seems broken");
+ 		op = *(lp->l_line);
+ 		/* NUL-terminate line buffer for strtol() safety. */
+ 		tmp = lp->l_line[lp->l_len - 1];
+ 		lp->l_line[lp->l_len - 1] = '\0';
+ 		lineno = (int)strtol((lp->l_line + 1), &ep, 10);
+ 		ep++;
+ 		nbln = (int)strtol(ep, &ep, 10);
+ 		/* Restore the last byte of the buffer */
+ 		lp->l_line[lp->l_len - 1] = tmp;
+ 		if (nbln < 0)
+ 			fatal("invalid line number specification in RCS patch");
+ 
+ 		if (op == 'a') {
+ 			added += nbln;
+ 			for (i = 0; i < nbln; i++) {
+ 				lp = TAILQ_NEXT(lp, l_list);
+ 				if (lp == NULL)
+ 					fatal("truncated RCS patch");
+ 			}
+ 		}
+ 		else if (op == 'd')
+ 			removed += nbln;
+ 		else
+ 			fatal("unknown RCS patch operation '%c'", op);
+ 	}
+ 
+ 	*ladded = added;
+ 	*lremoved = removed;
  }
  
  /*