X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fnetwork%2Fsetsockopt.c;h=612a1947a1f6182b4fd057fef4300c3df32eae5b;hb=ae388becb529428ac926da102f1d025b3c3968da;hp=b50303b86ac52032e13f38b901ba07a62a08bab0;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01;p=musl

diff --git a/src/network/setsockopt.c b/src/network/setsockopt.c
index b50303b8..612a1947 100644
--- a/src/network/setsockopt.c
+++ b/src/network/setsockopt.c
@@ -1,9 +1,46 @@
 #include <sys/socket.h>
+#include <sys/time.h>
+#include <errno.h>
 #include "syscall.h"
-#include "socketcall.h"
+
+#define IS32BIT(x) !((x)+0x80000000ULL>>32)
+#define CLAMP(x) (int)(IS32BIT(x) ? (x) : 0x7fffffffU+((0ULL+(x))>>63))
 
 int setsockopt(int fd, int level, int optname, const void *optval, socklen_t optlen)
 {
-	unsigned long args[] = { fd, level, optname, (unsigned long)optval, optlen };
-	return syscall2(__NR_socketcall, SYS_SETSOCKOPT, (long)args);
+	const struct timeval *tv;
+	time_t s;
+	suseconds_t us;
+
+	int r = __socketcall(setsockopt, 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);
+			tv = optval;
+			s = tv->tv_sec;
+			us = tv->tv_usec;
+			if (!IS32BIT(s)) return __syscall_ret(-ENOTSUP);
+
+			if (optname==SO_RCVTIMEO) optname=SO_RCVTIMEO_OLD;
+			if (optname==SO_SNDTIMEO) optname=SO_SNDTIMEO_OLD;
+
+			r = __socketcall(setsockopt, fd, level, optname,
+				((long[]){s, CLAMP(us)}), 2*sizeof(long), 0);
+			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(setsockopt, fd, level,
+				optname, optval, optlen, 0);
+			break;
+		}
+	}
+	return __syscall_ret(r);
 }