From 9411ac625b15ba636c2b55909e5e08d9f179c54a Mon Sep 17 00:00:00 2001
From: Sebastian Pipping <sebastian@pipping.org>
Date: Tue, 7 Nov 2023 14:20:01 +0100
Subject: [PATCH] tests: Use NAN and INFINITY of C99 and C++11

Effectively reverts commit f6f5d9bb4cc05fb9544ec92e0c3e6a44013cbc1f.
---
 expat/tests/acc_tests.c | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/expat/tests/acc_tests.c b/expat/tests/acc_tests.c
index f2dee34d..8061048d 100644
--- a/expat/tests/acc_tests.c
+++ b/expat/tests/acc_tests.c
@@ -41,6 +41,7 @@
    USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
+#include <math.h> /* NAN, INFINITY */
 #include <stdio.h>
 #include <string.h>
 
@@ -285,16 +286,6 @@ START_TEST(test_accounting_precision) {
 }
 END_TEST
 
-static float
-portableNAN(void) {
-  return strtof("nan", NULL);
-}
-
-static float
-portableINFINITY(void) {
-  return strtof("infinity", NULL);
-}
-
 START_TEST(test_billion_laughs_attack_protection_api) {
   XML_Parser parserWithoutParent = XML_ParserCreate(NULL);
   XML_Parser parserWithParent
@@ -313,7 +304,7 @@ START_TEST(test_billion_laughs_attack_protection_api) {
       == XML_TRUE)
     fail("Call with non-root parser is NOT supposed to succeed");
   if (XML_SetBillionLaughsAttackProtectionMaximumAmplification(
-          parserWithoutParent, portableNAN())
+          parserWithoutParent, NAN)
       == XML_TRUE)
     fail("Call with NaN limit is NOT supposed to succeed");
   if (XML_SetBillionLaughsAttackProtectionMaximumAmplification(
@@ -335,7 +326,7 @@ START_TEST(test_billion_laughs_attack_protection_api) {
       == XML_FALSE)
     fail("Call with positive limit >=1.0 is supposed to succeed");
   if (XML_SetBillionLaughsAttackProtectionMaximumAmplification(
-          parserWithoutParent, portableINFINITY())
+          parserWithoutParent, INFINITY)
       == XML_FALSE)
     fail("Call with positive limit >=1.0 is supposed to succeed");