remove usage of s6_addr16 and s6_addr32

it turns out that those macros are not portable at all. rather than
adding workarounds to make it work for every single platform, just
use plain s6_addr instead.
This commit is contained in:
rofl0r
2018-01-09 13:30:02 +00:00
parent d28f4df8e2
commit 2f3d33dd47
2 changed files with 3 additions and 12 deletions

View File

@ -329,8 +329,7 @@ int close(int fd) {
return -1;
}
static int is_v4inv6(const struct in6_addr *a) {
return a->s6_addr32[0] == 0 && a->s6_addr32[1] == 0 &&
a->s6_addr16[4] == 0 && a->s6_addr16[5] == 0xffff;
return !memcmp(a->s6_addr, "\0\0\0\0\0\0\0\0\0\0\xff\xff", 12);
}
int connect(int sock, const struct sockaddr *addr, unsigned int len) {
INIT();
@ -360,7 +359,7 @@ int connect(int sock, const struct sockaddr *addr, unsigned int len) {
: ntohs(((struct sockaddr_in6 *) addr)->sin6_port);
struct in_addr v4inv6;
if(v6 && is_v4inv6(p_addr_in6)) {
memcpy(&v4inv6.s_addr, &p_addr_in6->s6_addr32[3], 4);
memcpy(&v4inv6.s_addr, &p_addr_in6->s6_addr[12], 4);
v6 = dest_ip.is_v6 = 0;
p_addr_in = &v4inv6;
}
@ -455,7 +454,7 @@ int pc_getnameinfo(const struct sockaddr *sa, socklen_t salen,
unsigned scopeid = 0;
if(v6) {
if(is_v4inv6(&((struct sockaddr_in6*)sa)->sin6_addr)) {
memcpy(v4inv6buf, &((struct sockaddr_in6*)sa)->sin6_addr.s6_addr32[3], 4);
memcpy(v4inv6buf, &((struct sockaddr_in6*)sa)->sin6_addr.s6_addr[12], 4);
ip = v4inv6buf;
v6 = 0;
} else