X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=tree-walk.c;h=1869baede56da54f964e4300d0b4148e66999cab;hb=a8c40471ab0851bf9a58f7dc76f121258e0690e2;hp=3f83e98f3a443e4537f53abf32bcca1389c5d9d8;hpb=f4241c4c9a03d15957759e836eda7b8108ef881d;p=thirdparty%2Fgit.git

diff --git a/tree-walk.c b/tree-walk.c
index 3f83e98f3a..1869baede5 100644
--- a/tree-walk.c
+++ b/tree-walk.c
@@ -20,8 +20,8 @@ void *fill_tree_descriptor(struct tree_desc *desc, const unsigned char *sha1)
 static int entry_compare(struct name_entry *a, struct name_entry *b)
 {
 	return base_name_compare(
-			a->path, a->pathlen, a->mode,
-			b->path, b->pathlen, b->mode);
+			a->path, tree_entry_len(a->path, a->sha1), a->mode,
+			b->path, tree_entry_len(b->path, b->sha1), b->mode);
 }
 
 static void entry_clear(struct name_entry *a)
@@ -32,7 +32,6 @@ static void entry_clear(struct name_entry *a)
 static void entry_extract(struct tree_desc *t, struct name_entry *a)
 {
 	a->sha1 = tree_entry_extract(t, &a->path, &a->mode);
-	a->pathlen = strlen(a->path);
 }
 
 void update_tree_entry(struct tree_desc *desc)
@@ -93,7 +92,6 @@ int tree_entry(struct tree_desc *desc, struct name_entry *entry)
 
 	entry->path = path;
 	len = strlen(path);
-	entry->pathlen = len;
 
 	path += len + 1;
 	entry->sha1 = (const unsigned char *) path;
@@ -113,7 +111,6 @@ void traverse_trees(int n, struct tree_desc *t, const char *base, traverse_callb
 	struct name_entry *entry = xmalloc(n*sizeof(*entry));
 
 	for (;;) {
-		struct name_entry entry[3];
 		unsigned long mask = 0;
 		int i, last;
 
@@ -170,7 +167,7 @@ static int find_tree_entry(struct tree_desc *t, const char *name, unsigned char
 
 		sha1 = tree_entry_extract(t, &entry, mode);
 		update_tree_entry(t);
-		entrylen = strlen(entry);
+		entrylen = tree_entry_len(entry, sha1);
 		if (entrylen > namelen)
 			continue;
 		cmp = memcmp(name, entry, entrylen);
@@ -179,7 +176,7 @@ static int find_tree_entry(struct tree_desc *t, const char *name, unsigned char
 		if (cmp < 0)
 			break;
 		if (entrylen == namelen) {
-			memcpy(result, sha1, 20);
+			hashcpy(result, sha1);
 			return 0;
 		}
 		if (name[entrylen] != '/')
@@ -187,7 +184,7 @@ static int find_tree_entry(struct tree_desc *t, const char *name, unsigned char
 		if (!S_ISDIR(*mode))
 			break;
 		if (++entrylen == namelen) {
-			memcpy(result, sha1, 20);
+			hashcpy(result, sha1);
 			return 0;
 		}
 		return get_tree_entry(sha1, name + entrylen, result, mode);
@@ -200,10 +197,17 @@ int get_tree_entry(const unsigned char *tree_sha1, const char *name, unsigned ch
 	int retval;
 	void *tree;
 	struct tree_desc t;
+	unsigned char root[20];
 
-	tree = read_object_with_reference(tree_sha1, tree_type, &t.size, NULL);
+	tree = read_object_with_reference(tree_sha1, tree_type, &t.size, root);
 	if (!tree)
 		return -1;
+
+	if (name[0] == '\0') {
+		hashcpy(sha1, root);
+		return 0;
+	}
+
 	t.buf = tree;
 	retval = find_tree_entry(&t, name, sha1, mode);
 	free(tree);