===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/diff/diffreg.c,v
retrieving revision 1.65
retrieving revision 1.66
diff -u -r1.65 -r1.66
--- src/usr.bin/diff/diffreg.c	2007/02/22 01:44:36	1.65
+++ src/usr.bin/diff/diffreg.c	2007/02/23 08:03:19	1.66
@@ -1,4 +1,4 @@
-/*	$OpenBSD: diffreg.c,v 1.65 2007/02/22 01:44:36 millert Exp $	*/
+/*	$OpenBSD: diffreg.c,v 1.66 2007/02/23 08:03:19 espie Exp $	*/
 
 /*
  * Copyright (C) Caldera International Inc.  2001-2002.
@@ -65,7 +65,7 @@
  */
 
 #ifndef lint
-static const char rcsid[] = "$OpenBSD: diffreg.c,v 1.65 2007/02/22 01:44:36 millert Exp $";
+static const char rcsid[] = "$OpenBSD: diffreg.c,v 1.66 2007/02/23 08:03:19 espie Exp $";
 #endif /* not lint */
 
 #include <sys/param.h>
@@ -212,7 +212,7 @@
 static void equiv(struct line *, int, struct line *, int, int *);
 static void unravel(int);
 static void unsort(struct line *, int, int *);
-static void change(char *, FILE *, char *, FILE *, int, int, int, int, int);
+static void change(char *, FILE *, char *, FILE *, int, int, int, int, int *);
 static void sort(struct line *, int);
 static void print_header(const char *, const char *);
 static int  ignoreline(char *);
@@ -916,7 +916,7 @@
 				i1++;
 			j1 = J[i1 + 1] - 1;
 			J[i1] = j1;
-			change(file1, f1, file2, f2, i0, i1, j0, j1, flags);
+			change(file1, f1, file2, f2, i0, i1, j0, j1, &flags);
 		}
 	} else {
 		for (i0 = m; i0 >= 1; i0 = i1 - 1) {
@@ -928,11 +928,11 @@
 				i1--;
 			j1 = J[i1 - 1] + 1;
 			J[i1] = j1;
-			change(file1, f1, file2, f2, i1, i0, j1, j0, flags);
+			change(file1, f1, file2, f2, i1, i0, j1, j0, &flags);
 		}
 	}
 	if (m == 0)
-		change(file1, f1, file2, f2, 1, 0, 1, len[1], flags);
+		change(file1, f1, file2, f2, 1, 0, 1, len[1], &flags);
 	if (format == D_IFDEF) {
 		for (;;) {
 #define	c i0
@@ -1003,7 +1003,7 @@
  */
 static void
 change(char *file1, FILE *f1, char *file2, FILE *f2, int a, int b, int c, int d,
-    int flags)
+    int *pflags)
 {
 	static size_t max_context = 64;
 	int i;
@@ -1037,8 +1037,10 @@
 		return;
 	}
 proceed:
-	if (flags & D_HEADER)
+	if (*pflags & D_HEADER) {
 		printf("%s %s %s\n", diffargs, file1, file2);
+		*pflags &= ~D_HEADER;
+	}
 	if (format == D_CONTEXT || format == D_UNIFIED) {
 		/*
 		 * Allocate change records as needed.