rand: only try and use freeifaddrs if available

4 years ago · 87deac66aa
parent de4d3ba437
commit 87deac66aa
1 changed files with 2 additions and 2 deletions
--- a/src/randomenv.cpp
+++ b/src/randomenv.cpp
@ -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);