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From 4ba5226458e0c5f28ca6f5e1de08283978651141 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mat=C4=9Bj=20Cepl?= <mcepl@cepl.eu>
Date: Wed, 22 Oct 2025 19:51:56 +0200
Subject: [PATCH] fix: correct signature of gvRenderData() function
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
For compatibility with graphviz 14.*
Fixes: https://github.com/pygraphviz/pygraphviz/issues/567
Replaces: https://github.com/pygraphviz/pygraphviz/pull/566
Signed-off-by: Matěj Cepl <mcepl@cepl.eu>
--- a/pygraphviz/graphviz.i
+++ b/pygraphviz/graphviz.i
@@ -338,7 +338,7 @@
/* three lines are straight from the SWIG manual. */
%include <cstring.i>
%include <typemaps.i>
-%cstring_output_allocate_size(char **result, unsigned int* size, free(*$1));
-int gvRenderData(GVC_t *gvc, Agraph_t* g, char *format, char **result, unsigned int *size);
+%cstring_output_allocate_size(char **result, size_t* size, free(*$1));
+int gvRenderData(GVC_t *gvc, Agraph_t* g, char *format, char **result, size_t *size);
/* Free memory allocated and pointed to by *result in gvRenderData */
extern void gvFreeRenderData (char* data);
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