From 8e7f278094e70b54d3d8e385bd97500858c0e560 Mon Sep 17 00:00:00 2001
From: Jesse Duffield <jessedduffield@gmail.com>
Date: Sun, 12 Jan 2020 13:55:19 +1100
Subject: use mutexes on escape code

---
 vendor/github.com/jesseduffield/gocui/escape.go | 17 ++++++++++++++++-
 vendor/modules.txt                              |  2 +-
 2 files changed, 17 insertions(+), 2 deletions(-)

(limited to 'vendor')

diff --git a/vendor/github.com/jesseduffield/gocui/escape.go b/vendor/github.com/jesseduffield/gocui/escape.go
index c88309b07..c09003e31 100644
--- a/vendor/github.com/jesseduffield/gocui/escape.go
+++ b/vendor/github.com/jesseduffield/gocui/escape.go
@@ -5,8 +5,10 @@
 package gocui
 
 import (
-	"github.com/go-errors/errors"
 	"strconv"
+	"sync"
+
+	"github.com/go-errors/errors"
 )
 
 type escapeInterpreter struct {
@@ -15,6 +17,7 @@ type escapeInterpreter struct {
 	csiParam               []string
 	curFgColor, curBgColor Attribute
 	mode                   OutputMode
+	mutex                  sync.Mutex
 }
 
 type escapeState int
@@ -34,6 +37,9 @@ var (
 
 // runes in case of error will output the non-parsed runes as a string.
 func (ei *escapeInterpreter) runes() []rune {
+	ei.mutex.Lock()
+	defer ei.mutex.Unlock()
+
 	switch ei.state {
 	case stateNone:
 		return []rune{0x1b}
@@ -66,6 +72,9 @@ func newEscapeInterpreter(mode OutputMode) *escapeInterpreter {
 
 // reset sets the escapeInterpreter in initial state.
 func (ei *escapeInterpreter) reset() {
+	ei.mutex.Lock()
+	defer ei.mutex.Unlock()
+
 	ei.state = stateNone
 	ei.curFgColor = ColorDefault
 	ei.curBgColor = ColorDefault
@@ -76,6 +85,9 @@ func (ei *escapeInterpreter) reset() {
 // of an escape sequence, and as such should not be printed verbatim. Otherwise,
 // it's not an escape sequence.
 func (ei *escapeInterpreter) parseOne(ch rune) (isEscape bool, err error) {
+	ei.mutex.Lock()
+	defer ei.mutex.Unlock()
+
 	// Sanity checks
 	if len(ei.csiParam) > 20 {
 		return false, errCSITooLong
@@ -179,6 +191,9 @@ func (ei *escapeInterpreter) outputNormal() error {
 //   0x11 - 0xe8: 216 different colors
 //   0xe9 - 0x1ff: 24 different shades of grey
 func (ei *escapeInterpreter) output256() error {
+	ei.mutex.Lock()
+	defer ei.mutex.Unlock()
+
 	if len(ei.csiParam) < 3 {
 		return ei.outputNormal()
 	}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 9f0a28176..80c8a96db 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -32,7 +32,7 @@ github.com/hashicorp/hcl/json/token
 github.com/integrii/flaggy
 # github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99
 github.com/jbenet/go-context/io
-# github.com/jesseduffield/gocui v0.3.1-0.20200112022728-874f1f64ada7
+# github.com/jesseduffield/gocui v0.3.1-0.20200112025325-6c933915c351
 github.com/jesseduffield/gocui
 # github.com/jesseduffield/pty v1.2.1
 github.com/jesseduffield/pty
-- 
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