From: Stefan Beller <sbeller@google.com>
Date: Fri, 23 Mar 2018 17:21:13 +0000 (+0100)
Subject: sha1_file: add repository argument to map_sha1_file_1
X-Git-Tag: v2.18.0-rc0~144^2~8
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/332295d7e4292d78c92ac36e4c794ab634ab9399?hp=2ba0bfd67f3a5b6b5e26436d899e7fd02b578bb6

sha1_file: add repository argument to map_sha1_file_1

Add a repository argument to allow the map_sha1_file_1 caller to be
more specific about which repository to act on. This is a small
mechanical change; it doesn't change the implementation to handle
repositories other than the_repository yet.

As with the previous commits, use a macro to catch callers passing a
repository other than the_repository at compile time.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---

diff --git a/sha1_file.c b/sha1_file.c
index a2ab2b82c3..4b6144b7cd 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -931,9 +931,10 @@ static int open_sha1_file_the_repository(const unsigned char *sha1,
  * Map the loose object at "path" if it is not NULL, or the path found by
  * searching for a loose object named "sha1".
  */
-static void *map_sha1_file_1(const char *path,
-			     const unsigned char *sha1,
-			     unsigned long *size)
+#define map_sha1_file_1(r, p, s, si) map_sha1_file_1_##r(p, s, si)
+static void *map_sha1_file_1_the_repository(const char *path,
+					    const unsigned char *sha1,
+					    unsigned long *size)
 {
 	void *map;
 	int fd;
@@ -962,7 +963,7 @@ static void *map_sha1_file_1(const char *path,
 
 void *map_sha1_file(const unsigned char *sha1, unsigned long *size)
 {
-	return map_sha1_file_1(NULL, sha1, size);
+	return map_sha1_file_1(the_repository, NULL, sha1, size);
 }
 
 static int unpack_sha1_short_header(git_zstream *stream,
@@ -2192,7 +2193,7 @@ int read_loose_object(const char *path,
 
 	*contents = NULL;
 
-	map = map_sha1_file_1(path, NULL, &mapsize);
+	map = map_sha1_file_1(the_repository, path, NULL, &mapsize);
 	if (!map) {
 		error_errno("unable to mmap %s", path);
 		goto out;