From f26c3979ab0325edb2e410d287bc501cf00e0ac0 Mon Sep 17 00:00:00 2001 From: Nikos Mavrogiannopoulos Date: Mon, 22 Aug 2016 16:32:34 +0200 Subject: [PATCH] rnd-linux: added check for SYS_getrandom being defined This allows to compile the getrandom() code in old Linux systems which do not have the system call defined. --- Upstream-Status: Backport Signed-off-by: Khem Raj lib/nettle/rnd-linux.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/lib/nettle/rnd-linux.c b/lib/nettle/rnd-linux.c index d7f07a6..7a24d05 100644 --- a/lib/nettle/rnd-linux.c +++ b/lib/nettle/rnd-linux.c @@ -56,7 +56,11 @@ static dev_t _gnutls_urandom_fd_rdev = 0; # else # include # undef getrandom -# define getrandom(dst,s,flags) syscall(SYS_getrandom, (void*)dst, (size_t)s, (unsigned int)flags) +# if defined(SYS_getrandom) +# define getrandom(dst,s,flags) syscall(SYS_getrandom, (void*)dst, (size_t)s, (unsigned int)flags) +# else +# define getrandom(dst,s,flags) -1 +# endif # endif static unsigned have_getrandom(void) -- libgit2 0.24.0