From 9fc2640278810fdf5363508519a61da178403f8e Mon Sep 17 00:00:00 2001
From: Vlad Khorsun <hvlad@users.sourceforge.net>
Date: Sat, 5 Dec 2020 01:34:26 +0200
Subject: [PATCH] Merge pull request #301 from stbergmann/handlecompare

Fix checks for null HANDLE in Windows-only code
---
 src/utilities/nbackup/nbackup.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/utilities/nbackup/nbackup.cpp b/src/utilities/nbackup/nbackup.cpp
index 10c63905ea..5fc38201af 100644
--- a/src/utilities/nbackup/nbackup.cpp
+++ b/src/utilities/nbackup/nbackup.cpp
@@ -383,7 +383,7 @@ FB_SIZE_T NBackup::read_file(FILE_HANDLE &file, void *buffer, FB_SIZE_T bufsize)
 #ifdef WIN_NT
 		// Read child's stderr often to prevent child process hung if it writes
 		// too much data to the pipe and overflow the pipe buffer.
-		const bool checkChild = (childStdErr > 0 && file == backup);
+		const bool checkChild = (childStdErr != 0 && file == backup);
 		if (checkChild)
 			print_child_stderr();
 
@@ -795,7 +795,7 @@ void NBackup::close_backup()
 		return;
 #ifdef WIN_NT
 	CloseHandle(backup);
-	if (childId > 0)
+	if (childId != 0)
 	{
 		const bool killed = (WaitForSingleObject(childId, 5000) != WAIT_OBJECT_0);
 		if (killed)