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 f9cbd31..e54d53d 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
