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Small tweaks

This commit is contained in:
Erik Ekman 2009-06-14 20:30:35 +00:00
parent 65217be1e3
commit 453ac4145c
1 changed files with 8 additions and 3 deletions
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11
src/tun.c
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@ -307,18 +307,23 @@ open_tun(const char *tun_device)
in_addr_t local; in_addr_t local;
memset(adapter, 0, sizeof(adapter)); memset(adapter, 0, sizeof(adapter));
memset(if_name, 0, sizeof(if_name));
get_device(adapter, sizeof(adapter), tun_device); get_device(adapter, sizeof(adapter), tun_device);
get_name(if_name, sizeof(if_name), adapter);
if (strlen(adapter) == 0 || strlen(if_name) == 0) { if (strlen(adapter) == 0 || strlen(if_name) == 0) {
warnx("No TAP adapters found. See README-win32.txt for help.\n"); if (tun_device) {
warnx("No TAP adapters found. Try without -d.");
} else {
warnx("No TAP adapters found. Version 0801 and 0901 are supported.");
}
return -1; return -1;
} }
snprintf(tapfile, sizeof(tapfile), "%s%s.tap", TAP_DEVICE_SPACE, adapter);
fprintf(stderr, "Opening device %s\n", if_name); fprintf(stderr, "Opening device %s\n", if_name);
snprintf(tapfile, sizeof(tapfile), "%s%s.tap", TAP_DEVICE_SPACE, adapter);
dev_handle = CreateFile(tapfile, GENERIC_WRITE | GENERIC_READ, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM | FILE_FLAG_OVERLAPPED, NULL); dev_handle = CreateFile(tapfile, GENERIC_WRITE | GENERIC_READ, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM | FILE_FLAG_OVERLAPPED, NULL);
if (dev_handle == INVALID_HANDLE_VALUE) { if (dev_handle == INVALID_HANDLE_VALUE) {
warnx("Could not open device!");
return -1; return -1;
} }