From 3520826e06069df39efbefa0b572ca4af8514dc7 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 12 Oct 2019 22:12:37 +0100
Subject: [PATCH] test: Specify the LD_PRELOAD etc.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 test/common.tcl | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/test/common.tcl b/test/common.tcl
index fa06e5b..189d5c7 100644
--- a/test/common.tcl
+++ b/test/common.tcl
@@ -160,6 +160,17 @@ set tmp test/tmp
 set socktmp $tmp
 regsub {^(?!/)} $socktmp {./} socktmp ;# dgram-socket wants ./ or /
 
+proc prefix_preload {lib} {
+    global env
+    set l {}
+    catch { set l [split $env(PRELOAD) :] }
+    set l [concat [list $lib] $l]
+    set env(LD_PRELOAD) [join $l :]
+}
+
+set env(UDP_PRELOAD_DIR) $socktmp
+prefix_preload test/udp-preload.so
+
 proc udp-proxy {} {
     global socktmp udpsock
     set u $socktmp/udp
-- 
2.30.2