diff options
Diffstat (limited to '')
| -rw-r--r-- | modbuslog.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/modbuslog.c b/modbuslog.c index e9346eb..f9c85e4 100644 --- a/modbuslog.c +++ b/modbuslog.c @@ -46,7 +46,7 @@ void minute_check(int signum) { alarm(60); } -void find_mac(unsigned char* mac_address) { +char *mac_address() { int s; struct ifreq ifr; @@ -56,8 +56,8 @@ void find_mac(unsigned char* mac_address) { ioctl(s, SIOCGIFHWADDR, &ifr); close(s); - unsigned char mac_address_internal[6]; - sprintf(mac_address_internal, "%.2X%.2X%.2X%.2X%.2X%.2X", + static char mac_address[12]; + sprintf(mac_address, "%.2X%.2X%.2X%.2X%.2X%.2X", (unsigned char) ifr.ifr_hwaddr.sa_data[0], (unsigned char) ifr.ifr_hwaddr.sa_data[1], (unsigned char) ifr.ifr_hwaddr.sa_data[2], @@ -65,7 +65,7 @@ void find_mac(unsigned char* mac_address) { (unsigned char) ifr.ifr_hwaddr.sa_data[4], (unsigned char) ifr.ifr_hwaddr.sa_data[5]); - strcpy(mac_address, mac_address_internal); + return mac_address; } int main(int argc, char *argv[]) { @@ -83,8 +83,6 @@ int main(int argc, char *argv[]) { config_t cfg; //config_setting_t *setting; - unsigned char mac_address[6]; - const char *modbus_device_address; int modbus_baud_rate; int modbus_data_bits; @@ -93,8 +91,6 @@ int main(int argc, char *argv[]) { config_init(&cfg); - find_mac(mac_address); - if (!config_read_file(&cfg, configfile)) { fprintf(stderr, "%s:%d - %s\n", config_error_file(&cfg), config_error_line(&cfg), config_error_text(&cfg)); @@ -114,7 +110,7 @@ int main(int argc, char *argv[]) { } if (DEBUG) { - printf("%s %s %d %c %d %d\n", mac_address, modbus_device_address, + printf("%s %s %d %c %d %d\n", mac_address(), modbus_device_address, modbus_baud_rate, modbus_parity[0], modbus_data_bits, modbus_stop_bits); } @@ -213,7 +209,7 @@ int main(int argc, char *argv[]) { char filename[50]; sprintf(filename, "%s_%04i_%02i_%02i_%02i_%02i_%02i.log", - mac_address, midnight.tm_year + 1900, + mac_address(), midnight.tm_year + 1900, midnight.tm_mon + 1, midnight.tm_mday, midnight.tm_hour, midnight.tm_min, midnight.tm_sec); |