correct to int32 for range comparison

[wxWidgets.git] / src / common / imagpng.cpp

diff --git a/src/common/imagpng.cpp b/src/common/imagpng.cpp
index b2925a2a8c66f490845b12cd14b25400fb043135..54c3ac8819c0a61afbf4de00cb55aefb6baf18b6 100644 (file)
--- a/src/common/imagpng.cpp
+++ b/src/common/imagpng.cpp
@@ -175,7 +175,7 @@ void PNGLINKAGEMODE wx_PNG_stream_writer( png_structp png_ptr, png_bytep data,
 // from pngerror.c
 // so that the libpng doesn't send anything on stderr
 void
-PNGLINKAGEMODE wx_png_error(png_structp png_ptr, png_const_charp message)
+PNGLINKAGEMODE wx_png_error(png_structp WXUNUSED(png_ptr), png_const_charp message)
 {
     wxLogFatalError( wxString::FromAscii(message) );
 }
@@ -529,8 +529,6 @@ wxPNGHandler::LoadFile(wxImage *image,
     if (!png_ptr)
         goto error;
 
-    png_set_error_fn(png_ptr, (png_voidp)NULL, wx_png_error, wx_png_warning);
-
     // NB: please see the comment near wxPNGInfoStruct declaration for
     //     explanation why this line is mandatory
     png_set_read_fn( png_ptr, &wxinfo, wx_PNG_stream_reader);
@@ -645,8 +643,6 @@ bool wxPNGHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool verbos
         return false;
     }
 
-    png_set_error_fn(png_ptr, (png_voidp)NULL, wx_png_error, wx_png_warning);
-
     png_infop info_ptr = png_create_info_struct(png_ptr);
     if (info_ptr == NULL)
     {