#include <sys/socket.h>
+#include <sys/time.h>
+#include <errno.h>
#include "syscall.h"
-#include "socketcall.h"
-int getsockopt(int fd, int level, int optname, void *optval, socklen_t *optlen)
+int getsockopt(int fd, int level, int optname, void *restrict optval, socklen_t *restrict optlen)
{
- unsigned long args[] = {
- fd, level, optname,
- (unsigned long)optval,
- (unsigned long)optlen
- };
- return syscall2(__NR_socketcall, SYS_GETSOCKOPT, (long)args);
+ 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;
+ }
+ }
+ return __syscall_ret(r);
}