git-commit-vandalism/block-sha1/sha1.h
Nicolas Pitre d5f6a96fa4 block-sha1: make the size member first in the context struct
This is a 64-bit value, hence having it first provides a better
alignment.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-08-18 12:26:01 -07:00

21 lines
613 B
C

/*
* Based on the Mozilla SHA1 (see mozilla-sha1/sha1.h),
* optimized to do word accesses rather than byte accesses,
* and to avoid unnecessary copies into the context array.
*/
typedef struct {
unsigned long long size;
unsigned int H[5];
unsigned int W[16];
} blk_SHA_CTX;
void blk_SHA1_Init(blk_SHA_CTX *ctx);
void blk_SHA1_Update(blk_SHA_CTX *ctx, const void *dataIn, unsigned long len);
void blk_SHA1_Final(unsigned char hashout[20], blk_SHA_CTX *ctx);
#define git_SHA_CTX blk_SHA_CTX
#define git_SHA1_Init blk_SHA1_Init
#define git_SHA1_Update blk_SHA1_Update
#define git_SHA1_Final blk_SHA1_Final