[PATCH 4/6] Rename get_mode() to decode_tree_mode() and export it

[Tomas Carnecky <tom@dbservice.com>]

Other sources (fast-import-helper.c) may want to use this function
to parse trees.

Signed-off-by: Tomas Carnecky <tom@dbservice.com>
---
 tree-walk.c |    4 ++--
 tree-walk.h |    2 ++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/tree-walk.c b/tree-walk.c
index a9bbf4e..5f51f4e 100644
--- a/tree-walk.c
+++ b/tree-walk.c
@@ -3,7 +3,7 @@
 #include "unpack-trees.h"
 #include "tree.h"
 
-static const char *get_mode(const char *str, unsigned int *modep)
+const char *decode_tree_mode(const char *str, unsigned int *modep)
 {
 	unsigned char c;
 	unsigned int mode = 0;
@@ -28,7 +28,7 @@ static void decode_tree_entry(struct tree_desc *desc, const char *buf, unsigned
 	if (size < 24 || buf[size - 21])
 		die("corrupt tree file");
 
-	path = get_mode(buf, &mode);
+	path = decode_tree_mode(buf, &mode);
 	if (!path || !*path)
 		die("corrupt tree file");
 	len = strlen(path) + 1;
diff --git a/tree-walk.h b/tree-walk.h
index 7e3e0b5..6bbde1c 100644
--- a/tree-walk.h
+++ b/tree-walk.h
@@ -13,6 +13,8 @@ struct tree_desc {
 	unsigned int size;
 };
 
+const char *decode_tree_mode(const char *str, unsigned int *modep);
+
 static inline const unsigned char *tree_entry_extract(struct tree_desc *desc, const char **pathp, unsigned int *modep)
 {
 	*pathp = desc->entry.path;
-- 
1.7.3.37.gb6088b