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vcruntime140_1: Change pointer math in decode_uint. 

Signed-off-by: Daniel Lehman <dlehman25@gmail.com>
Signed-off-by: Piotr Caban <piotr@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Daniel Lehman 2020-06-03 11:07:58 +02:00 committed by Alexandre Julliard
parent 7f0f3be020
commit 0f15bfee33
1 changed files with 15 additions and 13 deletions
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28
dlls/vcruntime140_1/except_x86_64.c
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@ -117,34 +117,36 @@ typedef struct
static UINT decode_uint(BYTE **b)
{
UINT ret;
BYTE *p = *b;
if ((**b & 1) == 0)
if ((*p & 1) == 0)
{
ret = *b[0] >> 1;
*b += 1;
ret = p[0] >> 1;
p += 1;
}
else if ((**b & 3) == 1)
else if ((*p & 3) == 1)
{
ret = (*b[0] >> 2) + (*b[1] << 6);
*b += 2;
ret = (p[0] >> 2) + (p[1] << 6);
p += 2;
}
else if ((**b & 7) == 3)
else if ((*p & 7) == 3)
{
ret = (*b[0] >> 3) + (*b[1] << 5) + (*b[2] << 13);
*b += 3;
ret = (p[0] >> 3) + (p[1] << 5) + (p[2] << 13);
p += 3;
}
else if ((**b & 15) == 7)
else if ((*p & 15) == 7)
{
ret = (*b[0] >> 4) + (*b[1] << 4) + (*b[2] << 12) + (*b[3] << 20);
*b += 4;
ret = (p[0] >> 4) + (p[1] << 4) + (p[2] << 12) + (p[3] << 20);
p += 4;
}
else
{
FIXME("not implemented - expect crash\n");
ret = 0;
*b += 5;
p += 5;
}
*b = p;
return ret;
}