[PATCH 12/41] tree-walk: convert get_tree_entry_follow_symlinks to object_id

[brian m. carlson]

Since the only caller of this function already uses struct object_id,
update get_tree_entry_follow_symlinks to use it in parameters and
internally.

Signed-off-by: brian m. carlson <sand...@crustytoothpaste.net>
---
 sha1_name.c |  4 ++--
 tree-walk.c | 16 ++++++++--------
 tree-walk.h |  2 +-
 3 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/sha1_name.c b/sha1_name.c
index 7043652a24..7c2d08a202 100644
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -1685,8 +1685,8 @@ static int get_oid_with_context_1(const char *name,
                        if (new_filename)
                                filename = new_filename;
                        if (flags & GET_OID_FOLLOW_SYMLINKS) {
-                               ret = 
get_tree_entry_follow_symlinks(tree_oid.hash,
-                                       filename, oid->hash, &oc->symlink_path,
+                               ret = get_tree_entry_follow_symlinks(&tree_oid,
+                                       filename, oid, &oc->symlink_path,
                                        &oc->mode);
                        } else {
                                ret = get_tree_entry(&tree_oid, filename, oid,
diff --git a/tree-walk.c b/tree-walk.c
index 27797c5406..8f5090862b 100644
--- a/tree-walk.c
+++ b/tree-walk.c
@@ -488,7 +488,7 @@ int traverse_trees(int n, struct tree_desc *t, struct 
traverse_info *info)
 struct dir_state {
        void *tree;
        unsigned long size;
-       unsigned char sha1[20];
+       struct object_id oid;
 };
 
 static int find_tree_entry(struct tree_desc *t, const char *name, struct 
object_id *result, unsigned *mode)
@@ -576,7 +576,7 @@ int get_tree_entry(const struct object_id *tree_oid, const 
char *name, struct ob
  * See the code for enum follow_symlink_result for a description of
  * the return values.
  */
-enum follow_symlinks_result get_tree_entry_follow_symlinks(unsigned char 
*tree_sha1, const char *name, unsigned char *result, struct strbuf 
*result_path, unsigned *mode)
+enum follow_symlinks_result get_tree_entry_follow_symlinks(struct object_id 
*tree_oid, const char *name, struct object_id *result, struct strbuf 
*result_path, unsigned *mode)
 {
        int retval = MISSING_OBJECT;
        struct dir_state *parents = NULL;
@@ -589,7 +589,7 @@ enum follow_symlinks_result 
get_tree_entry_follow_symlinks(unsigned char *tree_s
 
        init_tree_desc(&t, NULL, 0UL);
        strbuf_addstr(&namebuf, name);
-       hashcpy(current_tree_oid.hash, tree_sha1);
+       oidcpy(&current_tree_oid, tree_oid);
 
        while (1) {
                int find_result;
@@ -609,11 +609,11 @@ enum follow_symlinks_result 
get_tree_entry_follow_symlinks(unsigned char *tree_s
                        ALLOC_GROW(parents, parents_nr + 1, parents_alloc);
                        parents[parents_nr].tree = tree;
                        parents[parents_nr].size = size;
-                       hashcpy(parents[parents_nr].sha1, root.hash);
+                       oidcpy(&parents[parents_nr].oid, &root);
                        parents_nr++;
 
                        if (namebuf.buf[0] == '\0') {
-                               hashcpy(result, root.hash);
+                               oidcpy(result, &root);
                                retval = FOUND;
                                goto done;
                        }
@@ -663,7 +663,7 @@ enum follow_symlinks_result 
get_tree_entry_follow_symlinks(unsigned char *tree_s
 
                /* We could end up here via a symlink to dir/.. */
                if (namebuf.buf[0] == '\0') {
-                       hashcpy(result, parents[parents_nr - 1].sha1);
+                       oidcpy(result, &parents[parents_nr - 1].oid);
                        retval = FOUND;
                        goto done;
                }
@@ -677,7 +677,7 @@ enum follow_symlinks_result 
get_tree_entry_follow_symlinks(unsigned char *tree_s
 
                if (S_ISDIR(*mode)) {
                        if (!remainder) {
-                               hashcpy(result, current_tree_oid.hash);
+                               oidcpy(result, &current_tree_oid);
                                retval = FOUND;
                                goto done;
                        }
@@ -687,7 +687,7 @@ enum follow_symlinks_result 
get_tree_entry_follow_symlinks(unsigned char *tree_s
                                      1 + first_slash - namebuf.buf);
                } else if (S_ISREG(*mode)) {
                        if (!remainder) {
-                               hashcpy(result, current_tree_oid.hash);
+                               oidcpy(result, &current_tree_oid);
                                retval = FOUND;
                        } else {
                                retval = NOT_DIR;
diff --git a/tree-walk.h b/tree-walk.h
index 4617deeb0e..805f58f00f 100644
--- a/tree-walk.h
+++ b/tree-walk.h
@@ -64,7 +64,7 @@ enum follow_symlinks_result {
                       */
 };
 
-enum follow_symlinks_result get_tree_entry_follow_symlinks(unsigned char 
*tree_sha1, const char *name, unsigned char *result, struct strbuf 
*result_path, unsigned *mode);
+enum follow_symlinks_result get_tree_entry_follow_symlinks(struct object_id 
*tree_oid, const char *name, struct object_id *result, struct strbuf 
*result_path, unsigned *mode);
 
 struct traverse_info {
        const char *traverse_path;