Bernhard Kölbl : xml2: Use MSVC constants for NaN and infinity.
Alexandre Julliard
julliard at winehq.org
Wed Nov 10 15:34:46 CST 2021
Module: wine
Branch: master
Commit: 8923be8f6871bfd32e42a51eae9932532ee038ef
URL: https://source.winehq.org/git/wine.git/?a=commit;h=8923be8f6871bfd32e42a51eae9932532ee038ef
Author: Bernhard Kölbl <besentv at gmail.com>
Date: Tue Nov 9 22:05:05 2021 +0100
xml2: Use MSVC constants for NaN and infinity.
Prevent division by zero exceptions from being thrown,
if they are enabled and calls to xmlXPathInit() are being made.
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52003
Signed-off-by: Bernhard Kölbl <besentv at gmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
libs/xml2/xpath.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/libs/xml2/xpath.c b/libs/xml2/xpath.c
index 7497ba07d6f..5fa3c72eb6c 100644
--- a/libs/xml2/xpath.c
+++ b/libs/xml2/xpath.c
@@ -497,14 +497,12 @@ double xmlXPathNINF;
*
* Initialize the XPath environment
*/
-ATTRIBUTE_NO_SANITIZE("float-divide-by-zero")
void
xmlXPathInit(void) {
- /* MSVC doesn't allow division by zero in constant expressions. */
- double zero = 0.0;
- xmlXPathNAN = 0.0 / zero;
- xmlXPathPINF = 1.0 / zero;
- xmlXPathNINF = -xmlXPathPINF;
+ /* Use MSVC definitions */
+ xmlXPathNAN = NAN;
+ xmlXPathPINF = INFINITY;
+ xmlXPathNINF = -INFINITY;
}
/**
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