From: Bobby Durrett <nethack@bobbydurrettdba.com>
Date: Mon, 6 Jun 2016 04:10:26 +0000 (-0700)
Subject: Fix crash with MAIL env variable
X-Git-Tag: NetHack-3.6.1_RC01~666^2^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1c8f312fb6bbe2f8096d9ebdaa63e006aa052b54;p=nethack

Fix crash with MAIL env variable
---

diff --git a/src/mail.c b/src/mail.c
index 06ce1b266..82c7c0925 100644
--- a/src/mail.c
+++ b/src/mail.c
@@ -90,7 +90,12 @@ free_maildata()
 void
 getmailstatus()
 {
-    if (!mailbox && !(mailbox = nh_getenv("MAIL"))) {
+    char *emailbox;
+    if (emailbox = nh_getenv("MAIL")) {
+        mailbox = (char *) alloc((unsigned) strlen(emailbox));
+        Strcpy(mailbox, emailbox);
+    }
+    if (!mailbox) {
 #ifdef MAILPATH
 #ifdef AMS
         struct passwd ppasswd;