From 02bef1ae2b4eee20c2d5ecb5dd5a5dd8f0f6596c Mon Sep 17 00:00:00 2001
From: Delyan Angelov <delian66@gmail.com>
Date: Tue, 2 Feb 2021 17:38:32 +0200
Subject: [PATCH] vdoc: fix segfault on `v doc -m -f html vlib`

---
 cmd/tools/vtest-parser.v | 2 +-
 vlib/v/doc/doc.v         | 2 +-
 vlib/v/pref/default.v    | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/cmd/tools/vtest-parser.v b/cmd/tools/vtest-parser.v
index c6e5bf353c..2c7dfc30b3 100644
--- a/cmd/tools/vtest-parser.v
+++ b/cmd/tools/vtest-parser.v
@@ -97,7 +97,7 @@ fn main() {
 
 fn process_cli_args() &Context {
 	mut context := &Context{
-		pref: 0
+		pref: pref.new_preferences()
 	}
 	context.myself = os.executable()
 	mut fp := flag.new_flag_parser(os.args_after('test-parser'))
diff --git a/vlib/v/doc/doc.v b/vlib/v/doc/doc.v
index c137bdcf7e..3907f6b8bb 100644
--- a/vlib/v/doc/doc.v
+++ b/vlib/v/doc/doc.v
@@ -113,7 +113,7 @@ pub fn new(input_path string) Doc {
 		time_generated: time.now()
 	}
 	d.fmt = fmt.Fmt{
-		pref: 0
+		pref: d.prefs
 		indent: 0
 		is_debug: false
 		table: d.table
diff --git a/vlib/v/pref/default.v b/vlib/v/pref/default.v
index a8df86f89f..15f958d04c 100644
--- a/vlib/v/pref/default.v
+++ b/vlib/v/pref/default.v
@@ -10,8 +10,8 @@ pub const (
 	default_module_path = os.vmodules_dir()
 )
 
-pub fn new_preferences() Preferences {
-	mut p := Preferences{}
+pub fn new_preferences() &Preferences {
+	mut p := &Preferences{}
 	p.fill_with_defaults()
 	return p
 }