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mod_topic: check argument for NULL

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Better safe than sorry.
This commit is contained in:
Tillmann Karras 2013-09-10 08:30:27 +02:00
parent 8b442018a7
commit c295461f4e
1 changed files with 3 additions and 2 deletions
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5
src/plugins/mod_topic.c
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@ -33,9 +33,10 @@ static int command_topic_handler(struct plugin_handle* plugin, struct plugin_use
{
struct cbuffer* buf = cbuf_create(128);
struct plugin_command_arg_data* arg = plugin->hub.command_arg_next(plugin, cmd, plugin_cmd_arg_type_string);
char* topic = arg ? arg->data.string : "";
plugin->hub.set_description(plugin, arg->data.string);
cbuf_append_format(buf, "*** %s: Topic set to \"%s\"", cmd->prefix, arg->data.string);
plugin->hub.set_description(plugin, topic);
cbuf_append_format(buf, "*** %s: Topic set to \"%s\"", cmd->prefix, topic);
plugin->hub.send_message(plugin, user, cbuf_get(buf));
cbuf_destroy(buf);
return 0;