diff: make a few variables local

function                                             old     new   delta
diffreg                                             1844    1823     -21

1 files changed, 3 insertions, 6 deletions

diff --git a/editors/diff.c b/editors/diff.c
index 47297ebb3..4886f6306 100644
--- a/editors/diff.c
+++ b/editors/diff.c
@@ -106,9 +106,6 @@ struct globals {
         const char *label2;
         struct line *file[2];
         int *J;          /* will be overlaid on class */
-        int *class;      /* will be overlaid on file[0] */
-        int *klist;      /* will be overlaid on file[0] after class */
-        int *member;     /* will be overlaid on file[1] */
         int clen;
         int len[2];
         int pref, suff;  /* length of prefix and suffix */
@@ -136,9 +133,6 @@ struct globals {
 #define label2             (G.label2            )
 #define file               (G.file              )
 #define J                  (G.J                 )
-#define class              (G.class             )
-#define klist              (G.klist             )
-#define member             (G.member            )
 #define clen               (G.clen              )
 #define len                (G.len               )
 #define pref               (G.pref              )
@@ -999,6 +993,9 @@ static void output(char *file1, FILE *f1, char *file2, FILE *f2)
  * are not both DIRectories. */
 static unsigned diffreg(char *file1, char *file2, int flags)
 {
+        int *member;     /* will be overlaid on file[1] */
+        int *class;      /* will be overlaid on file[0] */
+        int *klist;      /* will be overlaid on file[0] after class */
         FILE *f1;
         FILE *f2;
         unsigned rval;