File ImageMagick-CVE-2022-32546.patch of Package ImageMagick.30356

Index: ImageMagick-7.0.7-34/coders/pcl.c
===================================================================
--- ImageMagick-7.0.7-34.orig/coders/pcl.c
+++ ImageMagick-7.0.7-34/coders/pcl.c
@@ -143,6 +143,18 @@ static MagickBooleanType IsPCL(const uns
 %    o exception: return any errors or warnings in this structure.
 %
 */
+static inline ssize_t CastDoubleToLong(const double value)
+{
+  if (IsNaN(value) != 0)
+    return(0);
+  if (floor(value) > ((double) SSIZE_MAX-1))
+    return((ssize_t) SSIZE_MAX);
+  if (ceil(value) < ((double) (-(SSIZE_MAX)-1)))
+    return((ssize_t) (-(SSIZE_MAX)-1));
+  return((ssize_t) value);
+}
+
+
 static Image *ReadPCLImage(const ImageInfo *image_info,ExceptionInfo *exception)
 {
 #define CropBox  "CropBox"
@@ -294,8 +306,8 @@ static Image *ReadPCLImage(const ImageIn
     /*
       Set PCL render geometry.
     */
-    width=(size_t) floor(bounds.x2-bounds.x1+0.5);
-    height=(size_t) floor(bounds.y2-bounds.y1+0.5);
+    width=(size_t)CastDoubleToLong(floor(bounds.x2-bounds.x1+0.5));
+    height=(size_t)CastDoubleToLong(floor(bounds.y2-bounds.y1+0.5));
     if (width > page.width)
       page.width=width;
     if (height > page.height)