[PATCH] Rewrite the diff-no-index.c

[ubuntu2012@126.com]

From: 沈承恩 <ubuntu2012@126.com>

I am sorry for that I send this agian.Last patch I have some error.(Maybe this time will like the previous).It is apply for GSOC

Signed-off-by: 沈承恩 <ubuntu2012@126.com>
---
 diff-no-index.c |    5 +++--
 dir.h           |    3 ++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/diff-no-index.c b/diff-no-index.c
index 8e10bff..1fb0c0f 100644
--- a/diff-no-index.c
+++ b/diff-no-index.c
@@ -3,13 +3,14 @@
  * Copyright (c) 2007 by Johannes Schindelin
  * Copyright (c) 2008 by Junio C Hamano
  */
-
+#define EXIT
 #include "cache.h"
 #include "color.h"
 #include "commit.h"
 #include "blob.h"
 #include "tag.h"
 #include "diff.h"
+#include "dir.h"
 #include "diffcore.h"
 #include "revision.h"
 #include "log-tree.h"
@@ -25,7 +26,7 @@ static int read_directory(const char *path, struct string_list *list)
 		return error("Could not open directory %s", path);
 
 	while ((e = readdir(dir)))
-		if (strcmp(".", e->d_name) && strcmp("..", e->d_name))
+		if (is_dot_or_dotdot(e->d_name))
 			string_list_insert(list, e->d_name);
 
 	closedir(dir);
diff --git a/dir.h b/dir.h
index 55e5345..c0e45c8 100644
--- a/dir.h
+++ b/dir.h
@@ -138,8 +138,9 @@ extern int match_pathspec(const struct pathspec *pathspec,
 extern int within_depth(const char *name, int namelen, int depth, int max_depth);
 
 extern int fill_directory(struct dir_struct *dir, const struct pathspec *pathspec);
+#ifndef EXIT
 extern int read_directory(struct dir_struct *, const char *path, int len, const struct pathspec *pathspec);
-
+#endif
 extern int is_excluded_from_list(const char *pathname, int pathlen, const char *basename,
 				 int *dtype, struct exclude_list *el);
 struct dir_entry *dir_add_ignored(struct dir_struct *dir, const char *pathname, int len);
-- 
1.7.9.5