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Diffstat (limited to 'src/devices/bus/isa/3c503.cpp')
-rw-r--r--src/devices/bus/isa/3c503.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/devices/bus/isa/3c503.cpp b/src/devices/bus/isa/3c503.cpp
index 0bf96c34f53..8e95bb60220 100644
--- a/src/devices/bus/isa/3c503.cpp
+++ b/src/devices/bus/isa/3c503.cpp
@@ -27,7 +27,7 @@ void el2_3c503_device::device_start() {
char mac[7];
uint32_t num = machine().rand();
memset(m_prom, 0x57, 16);
- sprintf(mac, "\x02\x60\x8c%c%c%c", (num >> 16) & 0xff, (num >> 8) & 0xff, num & 0xff);
+ snprintf(mac, std::size(mac), "\x02\x60\x8c%c%c%c", (num >> 16) & 0xff, (num >> 8) & 0xff, num & 0xff);
memcpy(m_prom, mac, 6);
memset(m_rom, 0, 8*1024); // empty
m_dp8390->set_mac(mac);