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is_zero(): volatilize the accumulator

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This commit is contained in:
Frank Denis 2017-07-16 01:07:38 +02:00
parent 3d400363b6
commit 1f826df2d4
1 changed files with 2 additions and 2 deletions
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4
src/libsodium/sodium/utils.c
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@ -184,8 +184,8 @@ sodium_compare(const unsigned char *b1_, const unsigned char *b2_, size_t len)
int
sodium_is_zero(const unsigned char *n, const size_t nlen)
{
size_t i;
unsigned char d = 0U;
size_t i;
volatile unsigned char d = 0U;
for (i = 0U; i < nlen; i++) {
d |= n[i];