diff: convert prep_temp_blob() to struct object_id

All of the callers of this function use struct object_id, so convert it
to use struct object_id in its arguments and internally.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/diff.c b/diff.c
index 9abb54ad20cbce24d7737b2e8bc79c3ddbde3496..8cdfdf32225102a8bfdb15c5e3551ee5956f5911 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -2866,7 +2866,7 @@ void diff_free_filespec_data(struct diff_filespec *s)
 static void prep_temp_blob(const char *path, struct diff_tempfile *temp,
                           void *blob,
                           unsigned long size,
-                          const unsigned char *sha1,
+                          const struct object_id *oid,
                           int mode)
 {
        int fd;
@@ -2891,7 +2891,7 @@ static void prep_temp_blob(const char *path, struct diff_tempfile *temp,
                die_errno("unable to write temp-file");
        close_tempfile(&temp->tempfile);
        temp->name = get_tempfile_path(&temp->tempfile);
-       sha1_to_hex_r(temp->hex, sha1);
+       oid_to_hex_r(temp->hex, oid);
        xsnprintf(temp->mode, sizeof(temp->mode), "%06o", mode);
        strbuf_release(&buf);
        strbuf_release(&template);
@@ -2929,7 +2929,7 @@ static struct diff_tempfile *prepare_temp_file(const char *name,
                                die_errno("readlink(%s)", name);
                        prep_temp_blob(name, temp, sb.buf, sb.len,
                                       (one->oid_valid ?
-                                       one->oid.hash : null_sha1),
+                                       &one->oid : &null_oid),
                                       (one->oid_valid ?
                                        one->mode : S_IFLNK));
                        strbuf_release(&sb);
@@ -2955,7 +2955,7 @@ static struct diff_tempfile *prepare_temp_file(const char *name,
                if (diff_populate_filespec(one, 0))
                        die("cannot read data blob for %s", one->path);
                prep_temp_blob(name, temp, one->data, one->size,
-                              one->oid.hash, one->mode);
+                              &one->oid, one->mode);
        }
        return temp;
 }