From: René Scharfe <l.s.r@web.de>
Date: Thu, 12 Nov 2020 12:20:19 +0000 (+0100)
Subject: csum-file: add hashwrite_be64()
X-Git-Tag: v2.30.0-rc0~63^2~2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=54273d1042b7a7e9a5635ccf15363eec819cb951;p=thirdparty%2Fgit.git

csum-file: add hashwrite_be64()

Add a helper function for hashing and writing 64-bit integers in network
byte order.  It returns the number of written bytes.  This simplifies
callers that keep track of the file offset, even though this number is a
constant.

Suggested-by: Derrick Stolee <dstolee@microsoft.com>
Original-patch-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---

diff --git a/csum-file.h b/csum-file.h
index f9cbd317fb..e54d53d1d0 100644
--- a/csum-file.h
+++ b/csum-file.h
@@ -62,4 +62,11 @@ static inline void hashwrite_be32(struct hashfile *f, uint32_t data)
 	hashwrite(f, &data, sizeof(data));
 }
 
+static inline size_t hashwrite_be64(struct hashfile *f, uint64_t data)
+{
+	data = htonll(data);
+	hashwrite(f, &data, sizeof(data));
+	return sizeof(data);
+}
+
 #endif