[RFC,07/10] csum-file: introduce hashfile_total()
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Message ID 20190913130226.7449-8-chriscool@tuxfamily.org
State New
Headers show
  • Rewrite packfile reuse code
Related show

Commit Message

Christian Couder Sept. 13, 2019, 1:02 p.m. UTC
From: Jeff King <peff@peff.net>

We will need this helper function in a following patch
to give us total number of bytes fed to the hashfile so far.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
 csum-file.h | 9 +++++++++
 1 file changed, 9 insertions(+)

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diff --git a/csum-file.h b/csum-file.h
index a98b1eee53..f9cbd317fb 100644
--- a/csum-file.h
+++ b/csum-file.h
@@ -42,6 +42,15 @@  void hashflush(struct hashfile *f);
 void crc32_begin(struct hashfile *);
 uint32_t crc32_end(struct hashfile *);
+ * Returns the total number of bytes fed to the hashfile so far (including ones
+ * that have not been written out to the descriptor yet).
+ */
+static inline off_t hashfile_total(struct hashfile *f)
+	return f->total + f->offset;
 static inline void hashwrite_u8(struct hashfile *f, uint8_t data)
 	hashwrite(f, &data, sizeof(data));