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-rw-r--r--src/emu/network.cpp9
1 files changed, 5 insertions, 4 deletions
diff --git a/src/emu/network.cpp b/src/emu/network.cpp
index 4566298a994..5953031133e 100644
--- a/src/emu/network.cpp
+++ b/src/emu/network.cpp
@@ -87,10 +87,11 @@ void network_manager::config_save(config_type cfg_type, util::xml::data_node *pa
{
node->set_attribute("tag", network.device().tag());
node->set_attribute_int("interface", network.get_interface());
- const char *mac = network.get_mac();
- char mac_addr[6 * 3];
- sprintf(mac_addr, "%02x:%02x:%02x:%02x:%02x:%02x", u8(mac[0]), u8(mac[1]), u8(mac[2]), u8(mac[3]), u8(mac[4]), u8(mac[5]));
- node->set_attribute("mac", mac_addr);
+ const std::array<u8, 6> &mac = network.get_mac();
+ const std::string mac_addr = util::string_format(
+ "%02x:%02x:%02x:%02x:%02x:%02x",
+ mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ node->set_attribute("mac", mac_addr.c_str());
}
}
}