From: Michael Tremer <michael.tremer@ipfire.org>
Date: Thu, 2 Oct 2025 17:15:22 +0000 (+0000)
Subject: graph: Cast arguments to void* to deal with API breakage
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a52d8448e848da1753546b8400517dd4b66e60a0;p=telemetry.git

graph: Cast arguments to void* to deal with API breakage

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/daemon/graph.c b/src/daemon/graph.c
index ab4eea6..d227d1e 100644
--- a/src/daemon/graph.c
+++ b/src/daemon/graph.c
@@ -219,7 +219,9 @@ int collecty_graph_render(collecty_graph* self,
 		goto ERROR;
 
 	// Render the graph
-	r = rrd_graph(collecty_args_argc(args), (char**)collecty_args_argv(args),
+	// We are casting the argument array to (void*) to silence a compiler
+	// warning since rrdtool >= 1.9 has constified their input arguments.
+	r = rrd_graph(collecty_args_argc(args), (void*)collecty_args_argv(args),
 			&data, &w, &h, f, &ymin, &ymax);
 	if (r < 0) {
 		ERROR(self->ctx, "Failed to generate the graph: %s\n", rrd_get_error());