Remove superfluous NULL checks. Add Andy's BN_FLG comment.

[openssl.git] / crypto / mem_sec.c

diff --git a/crypto/mem_sec.c b/crypto/mem_sec.c
index 77bf165fbc555cbb85e155f56c2ccc709ad7d70a..1c1327037acfc00bad0130792cf33ad64a8b1f34 100644 (file)
--- a/crypto/mem_sec.c
+++ b/crypto/mem_sec.c
@@ -33,8 +33,10 @@
 # include <sys/mman.h>
 # if defined(OPENSSL_SYS_LINUX)
 #  include <sys/syscall.h>
-#  include <linux/mman.h>
-#  include <errno.h>
+#  if defined(SYS_mlock2)
+#   include <linux/mman.h>
+#   include <errno.h>
+#  endif
 # endif
 # include <sys/param.h>
 # include <sys/stat.h>
@@ -45,6 +47,9 @@
 #ifndef PAGE_SIZE
 # define PAGE_SIZE    4096
 #endif
+#if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
+# define MAP_ANON MAP_ANONYMOUS
+#endif
 
 #ifdef IMPLEMENTED
 static size_t secure_mem_used;