From: David Given <dg@cowlark.com>
Date: Sun, 9 Sep 2018 16:51:00 +0000 (+0200)
Subject: Call atexit handlers properly, avoiding a NPE and seg fault every time a
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=79fd34dac600e40000a22b9ee1b2ff4ceaea6d2c;p=ack.git

Call atexit handlers properly, avoiding a NPE and seg fault every time a
program exits.
---

diff --git a/lang/cem/libcc.ansi/sys/exit/exit.c b/lang/cem/libcc.ansi/sys/exit/exit.c
index 7f861321f..d16db6c3b 100644
--- a/lang/cem/libcc.ansi/sys/exit/exit.c
+++ b/lang/cem/libcc.ansi/sys/exit/exit.c
@@ -15,8 +15,8 @@ int __funccnt = 0;
 void exit(int status)
 {
 	/* "Called in reversed order of their registration" */
-	while (__funccnt >= 0)
-		(*__functab[__funccnt])();
+	while (__funccnt)
+		(*__functab[--__funccnt])();
 
 	_exit(status);
 }