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Use the `png_jmpbuf' accessor, as recommended since libpng 1.4.0:
http://www.libpng.org/pub/png/src/libpng-1.2.x-to-1.4.x-summary.txt .
--- plotutils-2.6/libplot/z_write.c 2013-07-12 17:19:12.000000000 +0200
+++ plotutils-2.6/libplot/z_write.c 2013-07-12 17:19:07.000000000 +0200
@@ -164,7 +164,7 @@ _pl_z_maybe_output_image (S___(Plotter *
}
/* cleanup after libpng errors (error handler does a longjmp) */
- if (setjmp (png_ptr->jmpbuf))
+ if (setjmp (png_jmpbuf (png_ptr)))
{
png_destroy_write_struct (&png_ptr, (png_info **)NULL);
return -1;
@@ -444,7 +444,7 @@ _our_error_fn_stdio (png_struct *png_ptr
#endif
}
- longjmp (png_ptr->jmpbuf, 1);
+ longjmp (png_jmpbuf (png_ptr), 1);
}
static void
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