From b1f67a9842503a352adc66bb0a5cbabda693beac Mon Sep 17 00:00:00 2001 From: PatR Date: Thu, 7 Dec 2023 11:48:05 -0800 Subject: [PATCH] lua memory usage Silence a bunch of complaints from heaputil about freeing Null pointers. The C standard allows that but it makes the data collected about mallocs and frees not match up when nethack has MONITOR_HEAP enabled. --- src/nhlua.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/nhlua.c b/src/nhlua.c index dad9f55b6..383125a4a 100644 --- a/src/nhlua.c +++ b/src/nhlua.c @@ -1,4 +1,4 @@ -/* NetHack 3.7 nhlua.c $NHDT-Date: 1695159626 2023/09/19 21:40:26 $ $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.115 $ */ +/* NetHack 3.7 nhlua.c $NHDT-Date: 1701978168 2023/12/07 19:42:48 $ $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.120 $ */ /* Copyright (c) 2018 by Pasi Kallinen */ /* NetHack may be freely redistributed. See license for details. */ @@ -2673,7 +2673,8 @@ nhl_alloc(void *ud, void *ptr, size_t osize, size_t nsize) } if (nsize == 0) { - free(ptr); + if (ptr != NULL) + free(ptr); return NULL; }