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[imagemagick] / coders / rle.c

diff --git a/coders/rle.c b/coders/rle.c
index 4b97a683d70d5137873eea62ff332326b45b3c91..40f1d84edbb06804efd94549c795e3d2d529917a 100644 (file)
--- a/coders/rle.c
+++ b/coders/rle.c
@@ -179,7 +179,8 @@ static Image *ReadRLEImage(const ImageInfo *image_info,ExceptionInfo *exception)
     bits_per_pixel,
     map_length,
     number_colormaps,
-    number_planes;
+    number_planes,
+    one;
 
   /*
     Open image file.
@@ -218,7 +219,8 @@ static Image *ReadRLEImage(const ImageInfo *image_info,ExceptionInfo *exception)
     number_planes=1UL*ReadBlobByte(image);
     bits_per_pixel=1UL*ReadBlobByte(image);
     number_colormaps=1UL*ReadBlobByte(image);
-    map_length=1UL << ReadBlobByte(image);
+    one=1;
+    map_length=one << ReadBlobByte(image);
     if ((number_planes == 0) || (number_planes == 2) || (bits_per_pixel != 8) ||
         (image->columns == 0))
       ThrowReaderException(CorruptImageError,"ImproperImageHeader");