read_blob_data_from_index(): optionally return the size of blob data

This allows for optionally getting the size of the returned data and
will be used in a follow-up patch.

Signed-off-by: Lukas Fleischer <git@cryptocrack.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/attr.c b/attr.c
index 243d60ffa9..09e7e50d3e 100644
--- a/attr.c
+++ b/attr.c
@@ -387,7 +387,7 @@ static struct attr_stack *read_attr_from_index(const char *path, int macro_ok)
 	char *buf, *sp;
 	int lineno = 0;
 
-	buf = read_blob_data_from_index(use_index ? use_index : &the_index, path);
+	buf = read_blob_data_from_index(use_index ? use_index : &the_index, path, NULL);
 	if (!buf)
 		return NULL;