From 0aa0a6dbced7169658301220953eec610f276dc1 Mon Sep 17 00:00:00 2001
From: Andrey Kiselev <dron@ak4719.spb.edu>
Date: Tue, 9 Apr 2002 20:48:53 +0000
Subject: [PATCH] Divide by zero fixed. Closes
 http://bugzilla.remotesensing.org/show_bug.cgi?id=88

---
 tools/tiff2ps.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/tiff2ps.c b/tools/tiff2ps.c
index 58c58c56..f0b6cceb 100644
--- a/tools/tiff2ps.c
+++ b/tools/tiff2ps.c
@@ -1,4 +1,4 @@
-/* $Header: /cvs/maptools/cvsroot/libtiff/tools/tiff2ps.c,v 1.4 2001-09-08 17:28:08 warmerda Exp $ */
+/* $Header: /cvs/maptools/cvsroot/libtiff/tools/tiff2ps.c,v 1.5 2002-04-09 20:48:53 dron Exp $ */
 
 /*
  * Copyright (c) 1988-1997 Sam Leffler
@@ -367,9 +367,9 @@ setupPageState(TIFF* tif, uint32* pw, uint32* ph, float* pprw, float* pprh)
 	/*
 	 * Calculate printable area.
 	 */
-	if (!TIFFGetField(tif, TIFFTAG_XRESOLUTION, &xres))
+	if (!TIFFGetField(tif, TIFFTAG_XRESOLUTION, &xres) || !xres)
 		xres = PS_UNIT_SIZE;
-	if (!TIFFGetField(tif, TIFFTAG_YRESOLUTION, &yres))
+	if (!TIFFGetField(tif, TIFFTAG_YRESOLUTION, &yres) || !yres)
 		yres = PS_UNIT_SIZE;
 	switch (res_unit) {
 	case RESUNIT_CENTIMETER: