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rand: only try and use freeifaddrs if available

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fanquake 2021-03-20 17:57:43 +08:00
parent de4d3ba437
commit 87deac66aa
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1 changed files with 2 additions and 2 deletions
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src/randomenv.cpp
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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);