X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=builtin-tar-tree.c;h=7663b9bd8e5f10ee45e34752f631d435687cf1b3;hb=17cf250aff26d3baa6b311a3404f1a932e16cf17;hp=2d5e06fb692968829df00e7166eaaeb9d5902119;hpb=31262627109476c529418132e0820687003fb1fe;p=git.git

diff --git a/builtin-tar-tree.c b/builtin-tar-tree.c
index 2d5e06fb..7663b9bd 100644
--- a/builtin-tar-tree.c
+++ b/builtin-tar-tree.c
@@ -168,8 +168,9 @@ static int get_path_prefix(const struct strbuf *path, int maxlen)
 	int i = path->len;
 	if (i > maxlen)
 		i = maxlen;
-	while (i > 0 && path->buf[i] != '/')
+	do {
 		i--;
+	} while (i > 0 && path->buf[i] != '/');
 	return i;
 }
 
@@ -271,30 +272,25 @@ static void write_global_extended_header(const unsigned char *sha1)
 static void traverse_tree(struct tree_desc *tree, struct strbuf *path)
 {
 	int pathlen = path->len;
+	struct name_entry entry;
 
-	while (tree->size) {
-		const char *name;
-		const unsigned char *sha1;
-		unsigned mode;
+	while (tree_entry(tree, &entry)) {
 		void *eltbuf;
 		char elttype[20];
 		unsigned long eltsize;
 
-		sha1 = tree_entry_extract(tree, &name, &mode);
-		update_tree_entry(tree);
-
-		eltbuf = read_sha1_file(sha1, elttype, &eltsize);
+		eltbuf = read_sha1_file(entry.sha1, elttype, &eltsize);
 		if (!eltbuf)
-			die("cannot read %s", sha1_to_hex(sha1));
+			die("cannot read %s", sha1_to_hex(entry.sha1));
 
 		path->len = pathlen;
-		strbuf_append_string(path, name);
-		if (S_ISDIR(mode))
+		strbuf_append_string(path, entry.path);
+		if (S_ISDIR(entry.mode))
 			strbuf_append_string(path, "/");
 
-		write_entry(sha1, path, mode, eltbuf, eltsize);
+		write_entry(entry.sha1, path, entry.mode, eltbuf, eltsize);
 
-		if (S_ISDIR(mode)) {
+		if (S_ISDIR(entry.mode)) {
 			struct tree_desc subtree;
 			subtree.buf = eltbuf;
 			subtree.size = eltsize;