From ef9bea6d601742b8e91eda59b914f8653463ef24 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Fri, 7 Feb 2020 22:25:09 -0500
Subject: [PATCH] Use atexit instead of err_set_exit

Unsurprisingly, err_set_exit doesn't exist in GNU's err.h, but since
it's safe to call reset_shell_mode on any kind of exit, just use atexit.
---
 ui.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/ui.c b/ui.c
index 5a8f155..d9b067b 100644
--- a/ui.c
+++ b/ui.c
@@ -176,8 +176,7 @@ static void disableFlowControl(void) {
 	if (error) err(EX_OSERR, "tcsetattr");
 }
 
-static void errExit(int eval) {
-	(void)eval;
+static void errExit(void) {
 	reset_shell_mode();
 }
 
@@ -211,7 +210,7 @@ void uiInit(void) {
 	noecho();
 	disableFlowControl();
 	def_prog_mode();
-	err_set_exit(errExit);
+	atexit(errExit);
 
 	if (!to_status_line && !strncmp(termname(), "xterm", 5)) {
 		to_status_line = "\33]2;";