read-cache.c: change type of "temp" in write_shared_index()

This local variable 'temp' will be passed in from the caller in the next
patch. To reduce patch noise, let's change its type now while it's still
a local variable and get all the trival conversion out of the next patch.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/read-cache.c b/read-cache.c
index 2eb81a66b941325dc339d61a0ab804a60cbb8be2..536086e1fe69da7a6522516bb281870ac9261130 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -2474,30 +2474,32 @@ static int clean_shared_index_files(const char *current_hex)
 static int write_shared_index(struct index_state *istate,
                              struct lock_file *lock, unsigned flags)
 {
-       struct tempfile *temp;
+       struct tempfile *real_temp;
+       struct tempfile **temp = &real_temp;
        struct split_index *si = istate->split_index;
        int ret;
 
-       temp = mks_tempfile(git_path("sharedindex_XXXXXX"));
-       if (!temp) {
+       real_temp = mks_tempfile(git_path("sharedindex_XXXXXX"));
+       if (!real_temp) {
                hashclr(si->base_sha1);
                return do_write_locked_index(istate, lock, flags);
        }
+       temp = &real_temp;
        move_cache_to_base_index(istate);
-       ret = do_write_index(si->base, temp, 1);
+       ret = do_write_index(si->base, *temp, 1);
        if (ret) {
-               delete_tempfile(&temp);
+               delete_tempfile(temp);
                return ret;
        }
-       ret = adjust_shared_perm(get_tempfile_path(temp));
+       ret = adjust_shared_perm(get_tempfile_path(*temp));
        if (ret) {
                int save_errno = errno;
-               error("cannot fix permission bits on %s", get_tempfile_path(temp));
-               delete_tempfile(&temp);
+               error("cannot fix permission bits on %s", get_tempfile_path(*temp));
+               delete_tempfile(temp);
                errno = save_errno;
                return ret;
        }
-       ret = rename_tempfile(&temp,
+       ret = rename_tempfile(temp,
                              git_path("sharedindex.%s", sha1_to_hex(si->base->sha1)));
        if (!ret) {
                hashcpy(si->base_sha1, si->base->sha1);