tree-walk: avoid hard-coded 20 constant

bk2204 · gitster · commit e84bc23cb692 · 2018-05-02T13:59:50.000+09:00
Use the_hash_algo to look up the length of our current hash instead of
hard-coding the value 20.

Signed-off-by: brian m. carlson &lt;sandals@crustytoothpaste.net&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git a/tree-walk.c b/tree-walk.c
@@ -105,7 +105,7 @@ static void entry_extract(struct tree_desc *t, struct name_entry *a)
 static int update_tree_entry_internal(struct tree_desc *desc, struct strbuf *err)
 {
 	const void *buf = desc->buffer;
-	const unsigned char *end = desc->entry.oid->hash + 20;
+	const unsigned char *end = desc->entry.oid->hash + the_hash_algo->rawsz;
 	unsigned long size = desc->size;
 	unsigned long len = end - (const unsigned char *)buf;
 

Original file line number	Diff line number	Diff line change
`@@ -105,7 +105,7 @@ static void entry_extract(struct tree_desc t, struct name_entry a)`
`105`	`105`	`static int update_tree_entry_internal(struct tree_desc desc, struct strbuf err)`
`106`	`106`	`{`
`107`	`107`	`const void *buf = desc->buffer;`
`108`		`- const unsigned char *end = desc->entry.oid->hash + 20;`
	`108`	`+ const unsigned char *end = desc->entry.oid->hash + the_hash_algo->rawsz;`
`109`	`109`	`unsigned long size = desc->size;`
`110`	`110`	`unsigned long len = end - (const unsigned char *)buf;`
`111`	`111`