code: plan9front

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ip/tftpd: use procsetuser() instead of writing #c/user

--- a/sys/src/cmd/ip/tftpd.c

+++ b/sys/src/cmd/ip/tftpd.c

@@ -738,12 +738,8 @@

 void

 setuser(void)

 {

-	int fd;

-

-	fd = open("#c/user", OWRITE);

-	if(fd < 0 || write(fd, "none", strlen("none")) < 0)

+	if(procsetuser("none") < 0)

 		sysfatal("can't become none: %r");

-	close(fd);

 	if(newns("none", nil) < 0)

 		sysfatal("can't build namespace: %r");

 }