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Accept a NULL pointer for the padded length in sodium_pad()

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Frank Denis 2017-08-24 15:49:50 +02:00
parent b503d75e43
commit be58b2e666
1 changed files with 3 additions and 1 deletions
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src/libsodium/sodium/utils.c
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@ -648,7 +648,9 @@ sodium_pad(size_t *padded_buflen_p, unsigned char *buf,
return -1; return -1;
} }
tail = &buf[xpadded_len]; tail = &buf[xpadded_len];
if (padded_buflen_p != NULL) {
*padded_buflen_p = xpadded_len + 1U; *padded_buflen_p = xpadded_len + 1U;
}
mask = 0U; mask = 0U;
for (i = 0; i < blocksize; i++) { for (i = 0; i < blocksize; i++) {
barrier_mask = (unsigned char) (((i ^ xpadlen) - 1U) >> 8); barrier_mask = (unsigned char) (((i ^ xpadlen) - 1U) >> 8);