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https://bugs.gentoo.org/386009
--- frmts/png/pngdataset.cpp
+++ frmts/png/pngdataset.cpp
@@ -1288,7 +1288,7 @@
* instead of an int, which is what fread() actually returns.
*/
check = (png_size_t)VSIFReadL(data, (png_size_t)1, length,
- (png_FILE_p)png_ptr->io_ptr);
+ (png_FILE_p)png_get_io_ptr(png_ptr));
if (check != length)
png_error(png_ptr, "Read Error");
@@ -1303,7 +1303,7 @@
{
png_uint_32 check;
- check = VSIFWriteL(data, 1, length, (png_FILE_p)(png_ptr->io_ptr));
+ check = VSIFWriteL(data, 1, length, (png_FILE_p)(png_get_io_ptr(png_ptr)));
if (check != length)
png_error(png_ptr, "Write Error");
@@ -1314,7 +1314,7 @@
/************************************************************************/
static void png_vsi_flush(png_structp png_ptr)
{
- VSIFFlushL( (png_FILE_p)(png_ptr->io_ptr) );
+ VSIFFlushL( (png_FILE_p)(png_get_io_ptr(png_ptr)) );
}
/************************************************************************/
@@ -1330,7 +1330,7 @@
// libpng is generally not built as C++ and so won't honour unwind
// semantics. Ugg.
- jmp_buf* psSetJmpContext = (jmp_buf*) png_ptr->error_ptr;
+ jmp_buf* psSetJmpContext = (jmp_buf*) png_get_error_ptr(png_ptr);
if (psSetJmpContext)
{
longjmp( *psSetJmpContext, 1 );
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