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block-sha1/sha1.c: silence compiler complaints by casting void * to char *

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Some compilers produce errors when arithmetic is attempted on pointers to
void.  We want computations done on byte addresses, so cast them to char *
to work them around.

Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Brandon Casey 2009-08-14 17:52:15 -05:00 committed by Junio C Hamano
parent ee7dc310af
commit a12218572f
1 changed files with 2 additions and 2 deletions
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block-sha1/sha1.c
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@ -246,14 +246,14 @@ void blk_SHA1_Update(blk_SHA_CTX *ctx, const void *data, unsigned long len)
memcpy(lenW + (char *)ctx->W, data, left); memcpy(lenW + (char *)ctx->W, data, left);
lenW = (lenW + left) & 63; lenW = (lenW + left) & 63;
len -= left; len -= left;
data += left; data = ((const char *)data + left);
if (lenW) if (lenW)
return; return;
blk_SHA1_Block(ctx, ctx->W); blk_SHA1_Block(ctx, ctx->W);
} }
while (len >= 64) { while (len >= 64) {
blk_SHA1_Block(ctx, data); blk_SHA1_Block(ctx, data);
data += 64; data = ((const char *)data + 64);
len -= 64; len -= 64;
} }
if (len) if (len)