From 2f132d49325941c886d0fc620e9095488328076b Mon Sep 17 00:00:00 2001
From: Jesin <Jesin00@gmail.com>
Date: Thu, 14 Jun 2018 16:06:54 -0400
Subject: [PATCH] fix compiler warnings about const-breaking cast

`buffer` is already declared as `const unsigned char*`, which can be
transparently accepted by `fwrite()`. Casting it to `char*` here just
makes compilers complain about "discarding cv-qualifiers", so this
commit removes that cast.
---
 lodepng.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lodepng.cpp b/lodepng.cpp
index 2b12fb57..05287bbf 100644
--- a/lodepng.cpp
+++ b/lodepng.cpp
@@ -398,7 +398,7 @@ unsigned lodepng_save_file(const unsigned char* buffer, size_t buffersize, const
   FILE* file;
   file = fopen(filename, "wb" );
   if(!file) return 79;
-  fwrite((char*)buffer , 1 , buffersize, file);
+  fwrite(buffer, 1, buffersize, file);
   fclose(file);
   return 0;
 }