https://github.com/ImageMagick/ImageMagick/issues/3653

ImageMagick · May 12, 2021 · 8e9b75e · 8e9b75e
1 parent 62b736a
commit 8e9b75e
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Showing 2 changed files with 3 additions and 5 deletions.
diff --git a/magick/cache.c b/magick/cache.c
@@ -2946,7 +2946,9 @@ static inline MagickModulo VirtualPixelModulo(const ssize_t offset,
   MagickModulo
     modulo;
 
-  modulo.quotient=offset/((ssize_t) extent);
+  modulo.quotient=offset;
+  if (extent != 0)
+    modulo.quotient=offset/((ssize_t) extent);
   modulo.remainder=offset % ((ssize_t) extent);
   if ((modulo.remainder != 0) && ((offset ^ ((ssize_t) extent)) < 0))
     {

diff --git a/magick/utility-private.h b/magick/utility-private.h
@@ -32,14 +32,10 @@ extern MagickPrivate MagickBooleanType
 static inline int MagickReadDirectory(DIR *directory,struct dirent *entry,
   struct dirent **result)
 {
-#if defined(MAGICKCORE_HAVE_READDIR_R)
-  return(readdir_r(directory,entry,result));
-#else
   (void) entry;
   errno=0;
   *result=readdir(directory);
   return(errno);
-#endif
 }
 
 /*