From bb5150445a1259c5e3a8e510aac635e8c6a6433e Mon Sep 17 00:00:00 2001
From: SHIRAKATA Kentaro <argrath@ub32.org>
Date: Thu, 10 Feb 2022 05:24:34 +0900
Subject: [PATCH] Check the return value of nhl_init() on com_pager_core()

nhl_init() can return NULL.
---
 src/questpgr.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/questpgr.c b/src/questpgr.c
index d04f7768a..11c540599 100644
--- a/src/questpgr.c
+++ b/src/questpgr.c
@@ -438,6 +438,11 @@ com_pager_core(const char *section, const char *msgid, boolean showerror)
         return FALSE;
 
     L = nhl_init();
+    if (!L) {
+        if (showerror)
+            impossible("com_pager: nhl_init() failed");
+        goto compagerdone;
+    }
 
     if (!nhl_loadlua(L, QTEXT_FILE)) {
         if (showerror)