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memcpy(x, NULL, 0) is undefined behavior

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TuxSH 2018-03-08 11:17:46 +01:00
parent 3d8ff446ad
commit b35c418558
7 changed files with 31 additions and 13 deletions
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5
exosphere/src/titlekey.c
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@ -34,8 +34,9 @@ void calculate_mgf1_and_xor(void *masked, size_t masked_size, const void *seed,
}
size_t hash_buf_size = seed_size + 4;
memcpy(hash_buf, seed, seed_size);
if (seed_size != 0) {
memcpy(hash_buf, seed, seed_size);
}
uint32_t round_num = 0;
uint8_t *p_out = (uint8_t *)masked;