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Divide by zero fixed. Closes

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http://bugzilla.remotesensing.org/show_bug.cgi?id=88
This commit is contained in:
Andrey Kiselev 2002-04-09 20:48:53 +00:00
parent c47f69530c
commit 0aa0a6dbce
1 changed files with 3 additions and 3 deletions
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6
tools/tiff2ps.c
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@ -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: