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stb_ds: fix shift warnings in later VS compilers

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This commit is contained in:
Sean Barrett 2019-02-25 11:40:33 -08:00
parent e704ed0efb
commit 1aeb8ec201
1 changed files with 5 additions and 4 deletions
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9
stb_ds.h
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@ -916,9 +916,9 @@ static size_t stbds_siphash_bytes(void *p, size_t len, size_t seed)
}
data = len << (STBDS_SIZE_T_BITS-8);
switch (len - i) {
case 7: data |= ((size_t) d[6] << 48);
case 6: data |= ((size_t) d[5] << 40);
case 5: data |= ((size_t) d[4] << 32);
case 7: data |= ((size_t) d[6] << 24) << 24;
case 6: data |= ((size_t) d[5] << 20) << 20;
case 5: data |= ((size_t) d[4] << 16) << 16;
case 4: data |= (d[3] << 24);
case 3: data |= (d[2] << 16);
case 2: data |= (d[1] << 8);
@ -1000,7 +1000,8 @@ size_t stbds_hash_bytes(void *p, size_t len, size_t seed)
return (((size_t) hash << 16 << 16) | hash) ^ seed;
} else if (len == 8 && sizeof(size_t) == 8) {
size_t hash = d[0] | (d[1] << 8) | (d[2] << 16) | (d[3] << 24) | ((size_t)d[4] << 32) | ((size_t)d[5] << 40) | ((size_t)d[6] << 48) | ((size_t)d[7] << 56);
size_t hash = d[0] | (d[1] << 8) | (d[2] << 16) | (d[3] << 24);
hash |= (size_t) (d[4] | (d[5] << 8) | (d[6] << 16) | (d[7] << 24)) << 16 << 16; // avoid warning if size_t == 4
hash ^= seed ^ len;
hash = (~hash) + (hash << 21);
hash ^= STBDS_ROTATE_RIGHT(hash,24);