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csum-file: introduce hashfile_total()

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We will need this helper function in a following commit
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>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King
2019-12-18 12:25:42 +01:00
committed by Junio C Hamano
parent 8ebf529661
commit 2f4af77699
1 changed files with 9 additions and 0 deletions
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9
csum-file.h
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@ -42,6 +42,15 @@ void hashflush(struct hashfile *f);
void crc32_begin(struct hashfile *); void crc32_begin(struct hashfile *);
uint32_t crc32_end(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) static inline void hashwrite_u8(struct hashfile *f, uint8_t data)
{ {
hashwrite(f, &data, sizeof(data)); hashwrite(f, &data, sizeof(data));