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ETHER: Avoid another possible string truncation gcc warning

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This commit is contained in:
Mark Pizzolato
2025-06-08 16:05:25 -10:00
parent a212909a6c
commit 0c46000d7a
1 changed files with 4 additions and 6 deletions
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10
sim_ether.c
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@@ -3029,8 +3029,7 @@ if (0 == strncmp("tap:", savname, 4)) {
if (1) {
char dev_name[64] = "";
snprintf(dev_name, sizeof(dev_name)-1, "/dev/%s", devname);
dev_name[sizeof(dev_name)-1] = '\0';
snprintf(dev_name, sizeof(dev_name), "/dev/%s", devname);
if ((tun = open(dev_name, O_RDWR)) >= 0) {
if (ioctl(tun, FIONBIO, &on)) {
@@ -3106,7 +3105,7 @@ if (0 == strncmp("vde:", savname, 4)) {
voa.port = (int)get_uint (vdeport_s, 10, 255, &r);
if (r != SCPE_OK) {
snprintf (errbuf, errbuf_size, "Invalid vde port number: %s in %s\n", vdeport_s, savname);
snprintf (errbuf, errbuf_size, "Invalid vde port number: %1.64s in %1.100s\n", vdeport_s, savname);
return SCPE_OPENERR;
}
}
@@ -3155,7 +3154,7 @@ if (1) {
if ((pcap_setmintocopy ((pcap_t*)(*handle), 0) == -1) ||
(pcap_getevent ((pcap_t*)(*handle)) == NULL)) {
pcap_close ((pcap_t*)(*handle));
snprintf (errbuf, errbuf_size, "pcap can't initialize API for interface: %s", savname);
snprintf (errbuf, errbuf_size, "pcap can't initialize API for interface: %1.100s", savname);
return SCPE_OPENERR;
}
#endif
@@ -5266,8 +5265,7 @@ for (eth_num=0; eth_num<eth_device_count; eth_num++) {
(0 == memcmp (eth_list[eth_num].name, "vde:", 4)) ||
(0 == memcmp (eth_list[eth_num].name, "udp:", 4)))
continue;
eth_name[sizeof (eth_name)-1] = '\0';
snprintf (eth_name, sizeof (eth_name)-1, "eth%d", eth_num);
snprintf (eth_name, sizeof (eth_name), "eth%d", eth_num);
r = eth_open(&dev, eth_name, &eth_tst, 1);
if (r != SCPE_OK) {
sim_printf ("%s: Eth: Error opening eth%d: %s\n", dptr->name, eth_num, sim_error_text (r));