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Revert "ip2net: ip6_and use 64-bit and. 128 can cause alignment segfaults"

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This reverts commit 64b2f940a2.
This commit is contained in:
bol-van 2024-10-16 11:25:05 +03:00
parent 1099f248e5
commit 89ccf0bbc0
1 changed files with 5 additions and 7 deletions
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12
ip2net/ip2net.c
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@ -180,15 +180,13 @@ __attribute__((optimize ("no-strict-aliasing")))
#endif #endif
static void ip6_and(const struct in6_addr * restrict a, const struct in6_addr * restrict b, struct in6_addr * restrict result) static void ip6_and(const struct in6_addr * restrict a, const struct in6_addr * restrict b, struct in6_addr * restrict result)
{ {
// int 128 can cause alignment segfaults because sin6_addr in struct sockaddr_in6 is 8-byte aligned, not 16-byte #ifdef __SIZEOF_INT128__
// gcc and clang have 128 bit int types on some 64-bit archs. take some advantage
//#ifdef __SIZEOF_INT128__ *((unsigned __int128*)result->s6_addr) = *((unsigned __int128*)a->s6_addr) & *((unsigned __int128*)b->s6_addr);
// // gcc and clang have 128 bit int types on some 64-bit archs. take some advantage #else
// *((unsigned __int128*)result->s6_addr) = *((unsigned __int128*)a->s6_addr) & *((unsigned __int128*)b->s6_addr);
//#else
((uint64_t*)result->s6_addr)[0] = ((uint64_t*)a->s6_addr)[0] & ((uint64_t*)b->s6_addr)[0]; ((uint64_t*)result->s6_addr)[0] = ((uint64_t*)a->s6_addr)[0] & ((uint64_t*)b->s6_addr)[0];
((uint64_t*)result->s6_addr)[1] = ((uint64_t*)a->s6_addr)[1] & ((uint64_t*)b->s6_addr)[1]; ((uint64_t*)result->s6_addr)[1] = ((uint64_t*)a->s6_addr)[1] & ((uint64_t*)b->s6_addr)[1];
//#endif #endif
} }
static void rtrim(char *s) static void rtrim(char *s)