Check for RLIMIT_NOFILE before trying to use it.

diff --git a/sftp-server.c b/sftp-server.c
index 4972b2a65dc53125b76d2794fa7e3515af320c77..c89c1f4249139e8a910d7fa9a9dd43be525c7120 100644 (file)
--- a/sftp-server.c
+++ b/sftp-server.c
@@ -1491,13 +1491,13 @@ process_extended_limits(u_int32_t id)
        struct sshbuf *msg;
        int r;
        uint64_t nfiles = 0;
-#ifdef HAVE_GETRLIMIT
+#if defined(HAVE_GETRLIMIT) && defined(RLIMIT_NOFILE)
        struct rlimit rlim;
 #endif
 
        debug("request %u: limits", id);
 
-#ifdef HAVE_GETRLIMIT
+#if defined(HAVE_GETRLIMIT) && defined(RLIMIT_NOFILE)
        if (getrlimit(RLIMIT_NOFILE, &rlim) != -1 && rlim.rlim_cur > 5)
                nfiles = rlim.rlim_cur - 5; /* stdio(3) + syslog + spare */
 #endif