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