clap

commit 06a01ce4df23554c67068871a5df4515b67b893f
parent ce3ca837d541b9a754442d10fb99232a8e4d406f
Author: Alexandre Bique <bique.alexandre@gmail.com>
Date:   Fri, 30 Dec 2022 18:12:46 +0100

Adds explicit checks and some note regarding checking for null function pointers

Diffstat:
M
src/plugin-template.c
 | 
9
+++++----

1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/src/plugin-template.c b/src/plugin-template.c
@@ -132,10 +132,11 @@ static bool my_plug_init(const struct clap_plugin *plugin) {
    my_plug_t *plug = plugin->plugin_data;
 
    // Fetch host's extensions here
-   plug->host_log = plug->host->get_extension(plug->host, CLAP_EXT_LOG);
-   plug->host_thread_check = plug->host->get_extension(plug->host, CLAP_EXT_THREAD_CHECK);
-   plug->host_latency = plug->host->get_extension(plug->host, CLAP_EXT_LATENCY);
-   plug->host_state = plug->host->get_extension(plug->host, CLAP_EXT_STATE);
+   // Make sure to check that the interface functions are not null pointers
+   plug->host_log = (const clap_host_log_t *)plug->host->get_extension(plug->host, CLAP_EXT_LOG);
+   plug->host_thread_check = (const clap_host_thread_check_t *)plug->host->get_extension(plug->host, CLAP_EXT_THREAD_CHECK);
+   plug->host_latency = (const clap_host_latency_t *)plug->host->get_extension(plug->host, CLAP_EXT_LATENCY);
+   plug->host_state = (const clap_host_state_t *)plug->host->get_extension(plug->host, CLAP_EXT_STATE);
    return true;
 }