rand: only try and use freeifaddrs if available

Github-Pull: #21486
Rebased-From: 87deac66aa747481e6f34fc80599e1e490de3ea0
This commit is contained in:
fanquake 2021-03-20 17:57:43 +08:00
parent 65fa43bda1
commit e99d6d0c7c
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@ -38,7 +38,7 @@
#include <sys/utsname.h>
#include <unistd.h>
#endif
#if HAVE_DECL_GETIFADDRS
#if HAVE_DECL_GETIFADDRS && HAVE_DECL_FREEIFADDRS
#include <ifaddrs.h>
#endif
#if HAVE_SYSCTL
@ -361,7 +361,7 @@ void RandAddStaticEnv(CSHA512& hasher)
hasher.Write((const unsigned char*)hname, strnlen(hname, 256));
}
#if HAVE_DECL_GETIFADDRS
#if HAVE_DECL_GETIFADDRS && HAVE_DECL_FREEIFADDRS
// Network interfaces
struct ifaddrs *ifad = NULL;
getifaddrs(&ifad);