--- libtheora-1.1.1/examples/png2theora.c.orig 2009-08-23 03:14:04.000000000 +0900 +++ libtheora-1.1.1/examples/png2theora.c 2013-07-16 12:40:07.629087870 +0900 @@ -462,9 +462,9 @@ png_set_strip_alpha(png_ptr); row_data = (png_bytep)png_malloc(png_ptr, - 3*height*width*png_sizeof(*row_data)); + 3*height*width*sizeof(*row_data)); row_pointers = (png_bytep *)png_malloc(png_ptr, - height*png_sizeof(*row_pointers)); + height*sizeof(*row_pointers)); for(y = 0; y < height; y++) { row_pointers[y] = row_data + y*(3*width); }