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Polyfill IPv6 on non-Linux

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This commit is contained in:
Justine Tunney 2022-09-08 06:06:22 -07:00
parent b73e35c6fa
commit 0547eabcd6
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GPG key ID: BE714B4575D6E328
10 changed files with 185 additions and 78 deletions
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16
libc/sock/sockaddr2bsd.c
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@ -18,6 +18,7 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/sock/internal.h"
#include "libc/sock/struct/sockaddr.internal.h"
#include "libc/sock/struct/sockaddr6-bsd.internal.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/af.h"
#include "libc/sysv/errfuns.h"
@ -41,6 +42,21 @@ int sockaddr2bsd(const void *addr, uint32_t addrsize,
} else {
return einval();
}
} else if (((struct sockaddr *)addr)->sa_family == AF_INET6) {
if (addrsize >= sizeof(struct sockaddr_in6)) {
out_addr->sin6.sin6_len = 0;
out_addr->sin6.sin6_family = AF_INET6;
out_addr->sin6.sin6_port = ((struct sockaddr_in6 *)addr)->sin6_port;
out_addr->sin6.sin6_flowinfo =
((struct sockaddr_in6 *)addr)->sin6_flowinfo;
out_addr->sin6.sin6_addr = ((struct sockaddr_in6 *)addr)->sin6_addr;
out_addr->sin6.sin6_scope_id =
((struct sockaddr_in6 *)addr)->sin6_scope_id;
*out_addrsize = sizeof(struct sockaddr_in6_bsd);
return 0;
} else {
return einval();
}
} else if (((struct sockaddr *)addr)->sa_family == AF_UNIX) {
famsize = sizeof(((struct sockaddr_un *)addr)->sun_family);
if (addrsize >= famsize &&