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From: "René Scharfe" <l.s.r@web.de>
To: Git Mailing List <git@vger.kernel.org>
Cc: Junio C Hamano <gitster@pobox.com>, Taylor Blau <me@ttaylorr.com>,
	Derrick Stolee <dstolee@microsoft.com>
Subject: [PATCH 1/3] csum-file: add hashwrite_be64()
Date: Thu, 12 Nov 2020 13:20:19 +0100	[thread overview]
Message-ID: <16932ced-8bcd-89bd-b927-cae1bce0365a@web.de> (raw)

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>
---
 csum-file.h | 7 +++++++
 1 file changed, 7 insertions(+)

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
--
2.29.2

             reply	other threads:[~2020-11-12 12:20 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-12 12:20 René Scharfe [this message]
2020-11-12 12:22 ` [PATCH 2/3] midx: use hashwrite_be64() René Scharfe
2020-11-12 12:23 ` [PATCH 3/3] pack-write: " René Scharfe
2020-11-12 13:52 ` [PATCH 1/3] csum-file: add hashwrite_be64() Derrick Stolee
2020-11-12 14:47   ` Taylor Blau
2020-11-12 14:51 ` Taylor Blau

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