sha1_file: convert write_loose_object to object_id

dreamer · gitster · commit 3fc7281ffa25 · 2018-01-30T10:42:36.000-08:00
Convert the definition and declaration of static write_loose_object
function to struct object_id.

Signed-off-by: Patryk Obara &lt;patryk.obara@gmail.com&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git a/sha1_file.c b/sha1_file.c
@@ -1548,16 +1548,17 @@ static int create_tmpfile(struct strbuf *tmp, const char *filename)
 	return fd;
 }
 
-static int write_loose_object(const unsigned char *sha1, char *hdr, int hdrlen,
-			      const void *buf, unsigned long len, time_t mtime)
+static int write_loose_object(const struct object_id *oid, char *hdr,
+			      int hdrlen, const void *buf, unsigned long len,
+			      time_t mtime)
 {
 	int fd, ret;
 	unsigned char compressed[4096];
 	git_zstream stream;
 	git_SHA_CTX c;
-	unsigned char parano_sha1[20];
+	struct object_id parano_oid;
 	static struct strbuf tmp_file = STRBUF_INIT;
-	const char *filename = sha1_file_name(sha1);
+	const char *filename = sha1_file_name(oid->hash);
 
 	fd = create_tmpfile(&tmp_file, filename);
 	if (fd < 0) {
@@ -1594,13 +1595,16 @@ static int write_loose_object(const unsigned char *sha1, char *hdr, int hdrlen,
 	} while (ret == Z_OK);
 
 	if (ret != Z_STREAM_END)
-		die("unable to deflate new object %s (%d)", sha1_to_hex(sha1), ret);
+		die("unable to deflate new object %s (%d)", oid_to_hex(oid),
+		    ret);
 	ret = git_deflate_end_gently(&stream);
 	if (ret != Z_OK)
-		die("deflateEnd on object %s failed (%d)", sha1_to_hex(sha1), ret);
-	git_SHA1_Final(parano_sha1, &c);
-	if (hashcmp(sha1, parano_sha1) != 0)
-		die("confused by unstable object source data for %s", sha1_to_hex(sha1));
+		die("deflateEnd on object %s failed (%d)", oid_to_hex(oid),
+		    ret);
+	git_SHA1_Final(parano_oid.hash, &c);
+	if (oidcmp(oid, &parano_oid) != 0)
+		die("confused by unstable object source data for %s",
+		    oid_to_hex(oid));
 
 	close_sha1_file(fd);
 
@@ -1645,7 +1649,7 @@ int write_object_file(const void *buf, unsigned long len, const char *type,
 	write_object_file_prepare(buf, len, type, oid, hdr, &hdrlen);
 	if (freshen_packed_object(oid->hash) || freshen_loose_object(oid->hash))
 		return 0;
-	return write_loose_object(oid->hash, hdr, hdrlen, buf, len, 0);
+	return write_loose_object(oid, hdr, hdrlen, buf, len, 0);
 }
 
 int hash_sha1_file_literally(const void *buf, unsigned long len, const char *type,
@@ -1663,7 +1667,7 @@ int hash_sha1_file_literally(const void *buf, unsigned long len, const char *typ
 		goto cleanup;
 	if (freshen_packed_object(oid->hash) || freshen_loose_object(oid->hash))
 		goto cleanup;
-	status = write_loose_object(oid->hash, header, hdrlen, buf, len, 0);
+	status = write_loose_object(oid, header, hdrlen, buf, len, 0);
 
 cleanup:
 	free(header);
@@ -1685,7 +1689,7 @@ int force_object_loose(const struct object_id *oid, time_t mtime)
 	if (!buf)
 		return error("cannot read sha1_file for %s", oid_to_hex(oid));
 	hdrlen = xsnprintf(hdr, sizeof(hdr), "%s %lu", typename(type), len) + 1;
-	ret = write_loose_object(oid->hash, hdr, hdrlen, buf, len, mtime);
+	ret = write_loose_object(oid, hdr, hdrlen, buf, len, mtime);
 	free(buf);
 
 	return ret;
