Teach prepare_attr_stack() to figure out dirlen itself

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/attr.c b/attr.c
index bfa1f43793c841d05980d13bb0e864cbcebadf67..7f0f390d524a2d03595b742e720bd9b794089ee4 100644 (file)
--- a/attr.c
+++ b/attr.c
@@ -535,11 +535,18 @@ static void bootstrap_attr_stack(void)
        }
 }
 
-static void prepare_attr_stack(const char *path, int dirlen)
+static void prepare_attr_stack(const char *path)
 {
        struct attr_stack *elem, *info;
-       int len;
+       int dirlen, len;
        struct strbuf pathbuf;
+       const char *cp;
+
+       cp = strrchr(path, '/');
+       if (!cp)
+               dirlen = 0;
+       else
+               dirlen = cp - path;
 
        strbuf_init(&pathbuf, dirlen+2+strlen(GITATTRIBUTES_FILE));
 
@@ -709,20 +716,14 @@ static int macroexpand_one(int attr_nr, int rem)
 int git_checkattr(const char *path, int num, struct git_attr_check *check)
 {
        struct attr_stack *stk;
-       const char *cp;
-       int dirlen, pathlen, i, rem;
+       int pathlen, i, rem;
 
        bootstrap_attr_stack();
        for (i = 0; i < attr_nr; i++)
                check_all_attr[i].value = ATTR__UNKNOWN;
 
        pathlen = strlen(path);
-       cp = strrchr(path, '/');
-       if (!cp)
-               dirlen = 0;
-       else
-               dirlen = cp - path;
-       prepare_attr_stack(path, dirlen);
+       prepare_attr_stack(path);
        rem = attr_nr;
        for (stk = attr_stack; 0 < rem && stk; stk = stk->prev)
                rem = fill(path, pathlen, stk, rem);