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#include <sys/socket.h>
#include <sys/time.h>
#include <errno.h>
#include "syscall.h"
int getsockopt(int fd, int level, int optname, void *restrict optval, socklen_t *restrict optlen)
{
long tv32[2];
struct timeval *tv;
int r = __socketcall(getsockopt, fd, level, optname, optval, optlen, 0);
if (r==-ENOPROTOOPT) switch (level) {
case SOL_SOCKET:
switch (optname) {
case SO_RCVTIMEO:
case SO_SNDTIMEO:
if (SO_RCVTIMEO == SO_RCVTIMEO_OLD) break;
if (*optlen < sizeof *tv) return __syscall_ret(-EINVAL);
if (optname==SO_RCVTIMEO) optname=SO_RCVTIMEO_OLD;
if (optname==SO_SNDTIMEO) optname=SO_SNDTIMEO_OLD;
r = __socketcall(getsockopt, fd, level, optname,
tv32, (socklen_t[]){sizeof tv32}, 0);
if (r<0) break;
tv = optval;
tv->tv_sec = tv32[0];
tv->tv_usec = tv32[1];
*optlen = sizeof *tv;
break;
case SO_TIMESTAMP:
case SO_TIMESTAMPNS:
if (SO_TIMESTAMP == SO_TIMESTAMP_OLD) break;
if (optname==SO_TIMESTAMP) optname=SO_TIMESTAMP_OLD;
if (optname==SO_TIMESTAMPNS) optname=SO_TIMESTAMPNS_OLD;
r = __socketcall(getsockopt, fd, level,
optname, optval, optlen, 0);
break;
}
}
return __syscall_ret(r);
}
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