From: Holger Schemel <info@artsoft.org>
Date: Sun, 25 Feb 2024 00:18:15 +0000 (+0100)
Subject: fixed using strtod() by resetting errno to detect overflow/underflow
X-Git-Tag: 4.4.0.0-test-1~286
X-Git-Url: https://git.artsoft.org/?a=commitdiff_plain;h=a5ccc4066f45d447dfddec469d4da3572a0f83c8;p=rocksndiamonds.git

fixed using strtod() by resetting errno to detect overflow/underflow
---

diff --git a/src/game_bd/bd_bdcff.c b/src/game_bd/bd_bdcff.c
index 8f2ee081..4c57c14e 100644
--- a/src/game_bd/bd_bdcff.c
+++ b/src/game_bd/bd_bdcff.c
@@ -254,6 +254,7 @@ static boolean struct_set_property(gpointer str, const GdStructDescriptor *prop_
 	    break;
 
 	  case GD_TYPE_PROBABILITY:
+	    errno = 0;	/* must be reset before calling strtod() to detect overflow/underflow */
 	    res = strtod(params[paramindex], NULL);
 	    if (errno == 0 && res >= 0 && res <= 1)
 	    {
@@ -268,6 +269,7 @@ static boolean struct_set_property(gpointer str, const GdStructDescriptor *prop_
 	    break;
 
 	  case GD_TYPE_RATIO:
+	    errno = 0;	/* must be reset before calling strtod() to detect overflow/underflow */
 	    res = strtod (params[paramindex], NULL);
 	    if (errno == 0 && res >= 0 && res <= 1)
 	    {