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286de1e7b3
c1361fc42dd60606fcd6273cede1083cd88866a2 netif: fix compilation warning in QueryDefaultGatewayImpl() (MarcoFalke)
Pull request description:
```
src/common/netif.cpp:137:51: error: comparison of integers of different signs: 'int64_t' (aka 'long') and 'unsigned long' [-Werror,-Wsign-compare]
137 | for (nlmsghdr* hdr = (nlmsghdr*)response; NLMSG_OK(hdr, recv_result); hdr = NLMSG_NEXT(hdr, recv_result)) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/netlink/netlink.h:220:31: note: expanded from macro 'NLMSG_OK'
220 | #define NLMSG_OK(_hdr, _len) NL_ITEM_OK(_hdr, _len, NLMSG_HDRLEN, _NLMSG_LEN)
| ^ ~~~~ ~~~~~~~~~~~~
/usr/include/netlink/netlink.h:203:10: note: expanded from macro 'NL_ITEM_OK'
203 | ((_len) >= _hlen && _LEN_M(_ptr) >= _hlen && _LEN_M(_ptr) <= (_len))
| ~~~~ ^ ~~~~~
1 error generated.
```
Happens on FreeBSD 15.0, with the default compiler (Clang 19).
On FreeBSD 14, `/usr/include/netlink/netlink.h` contains:
```
#define NLMSG_HDRLEN ((int)sizeof(struct nlmsghdr))
```
On FreeBSD 15, `/usr/include/netlink/netlink.h` contains:
```
#define NLMSG_HDRLEN (sizeof(struct nlmsghdr))
```
ACKs for top commit:
maflcko:
lgtm ACK c1361fc42dd60606fcd6273cede1083cd88866a2
hebasto:
ACK c1361fc42dd60606fcd6273cede1083cd88866a2.
Tree-SHA512: f8f00e2106fdf91550ab388a65bb8408fcf8c4557da9614e2e1dd90e70fc010dff72bfabbbec4315335afdedb546f7b554f5c98133c5aa1d3077c5641d94b956