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5e: support fauth(2)

--- a/sys/src/cmd/5e/sys.c

+++ b/sys/src/cmd/5e/sys.c

@@ -647,6 +647,24 @@

 	segunlock(seg);

 }

+static void

+sysfauth(void)

+{

+	u32int fd, aname;

+	char *anamet;

+	int copied;

+

+	fd = arg(0);

+	aname = arg(1);

+	anamet = copyifnec(aname, -1, &copied);

+	if(systrace)

+		fprint(2, "fauth(%d, %s)\n", fd, anamet);

+	P->R[0] = noteerr(fauth(fd, anamet), 0);

+

+	if(copied)

+		free(anamet);

+}

+

 void

 syscall(void)

 {

@@ -683,6 +701,7 @@

 		[ALARM] sysalarm,

 		[SEMACQUIRE] syssemacquire,

 		[SEMRELEASE] syssemrelease,

+		[FAUTH] sysfauth,

 	};

 	n = P->R[0];

-- 

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