t4017 (diff-retval): replace manual exit code check with test_expect_code

diff --git a/diffcore.h b/diffcore.h
index fed9b151b5b7818b0f211787e11b61b784ec9ade..8b3241ad137f5934e32336cd1caf8d99ca11d1f5 100644 (file)
--- a/diffcore.h
+++ b/diffcore.h
@@ -91,14 +91,12 @@ struct diff_queue_struct {
        struct diff_filepair **queue;
        int alloc;
        int nr;
-       int run;
 };
 #define DIFF_QUEUE_CLEAR(q) \
        do { \
                (q)->queue = NULL; \
                (q)->nr = (q)->alloc = 0; \
-               (q)->run = 0; \
-       } while(0);
+       } while (0)
 
 extern struct diff_queue_struct diff_queued_diff;
 extern struct diff_filepair *diff_queue(struct diff_queue_struct *,
@@ -118,9 +116,9 @@ void diff_debug_filespec(struct diff_filespec *, int, const char *);
 void diff_debug_filepair(const struct diff_filepair *, int);
 void diff_debug_queue(const char *, struct diff_queue_struct *);
 #else
-#define diff_debug_filespec(a,b,c) do {} while(0)
-#define diff_debug_filepair(a,b) do {} while(0)
-#define diff_debug_queue(a,b) do {} while(0)
+#define diff_debug_filespec(a,b,c) do { /* nothing */ } while (0)
+#define diff_debug_filepair(a,b) do { /* nothing */ } while (0)
+#define diff_debug_queue(a,b) do { /* nothing */ } while (0)
 #endif
 
 extern int diffcore_count_changes(struct diff_filespec *src,