From 386cb370a6607b653be6e4e76f0dffbe18c3b1ea Mon Sep 17 00:00:00 2001
From: Giacomo Tesio <giacomo@tesio.it>
Date: Fri, 25 Aug 2017 23:43:14 +0200
Subject: [PATCH] libposix: POSIX_gettimeofday fails without proper
 initialization

---
 sys/src/lib/posix/timers.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sys/src/lib/posix/timers.c b/sys/src/lib/posix/timers.c
index ea1ad9d..9f796a4 100644
--- a/sys/src/lib/posix/timers.c
+++ b/sys/src/lib/posix/timers.c
@@ -37,11 +37,15 @@ POSIX_gettimeofday(int *errnop, void *timeval, void *timezone)
 	t = localtime(time(nil));
 
 	if(timeval != nil){
+		if(__libposix_timeval_reader == nil)
+			sysfatal("libposix: uninitialzed timeval reader");
 		e = __libposix_timeval_reader(timeval, t);
 		if(e != 0)
 			goto FailWithError;
 	}
 	if(timezone != nil){
+		if(__libposix_timezone_reader == nil)
+			sysfatal("libposix: uninitialzed timezone reader");
 		e = __libposix_timezone_reader(timezone, t);
 		if(e != 0)
 			goto FailWithError;