X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=e_os.h;h=534059382b0a81d2a500564ae94c48203cf0b4c3;hp=3e92716a91759259d864919f9b78c50120ce2734;hb=5e73e6baac4a84198519267c17abefd52fa55e93;hpb=77376c0507b6159b94fc092d7fcd7e7c7a3ed7d9

diff --git a/e_os.h b/e_os.h
index 3e92716a91..534059382b 100644
--- a/e_os.h
+++ b/e_os.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the OpenSSL license (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -22,10 +22,6 @@
  * outside; this file e_os.h is not part of the exported interface.
  */
 
-#ifdef  __cplusplus
-extern "C" {
-#endif
-
 # ifndef DEVRANDOM
 /*
  * set this to a comma-separated list of 'random' device files to try out. By
@@ -249,7 +245,7 @@ extern FILE *_imp___iob;
 
      Finally, we add the VMS C facility code 0x35a000, because there are some
      programs, such as Perl, that will reinterpret the code back to something
-     POSIXly.  'man perlvms' explains it further.
+     POSIX.  'man perlvms' explains it further.
 
      NOTE: the perlvms manual wants to turn all codes 2 to 255 into success
      codes (status type = 1).  I couldn't disagree more.  Fortunately, the
@@ -321,12 +317,15 @@ struct servent *getservbyname(const char *name, const char *proto);
 # endif
 /* end vxworks */
 
-#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
-# define CRYPTO_memcmp memcmp
-#endif
-
-#ifdef  __cplusplus
-}
-#endif
+# ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
+#  define CRYPTO_memcmp memcmp
+# endif
 
+/* unistd.h defines _POSIX_VERSION */
+# if !defined(OPENSSL_NO_SECURE_MEMORY) && defined(OPENSSL_SYS_UNIX) \
+     && ( (defined(_POSIX_VERSION) && _POSIX_VERSION >= 200112L)      \
+          || defined(__sun) || defined(__hpux) || defined(__sgi)      \
+          || defined(__osf__) )
+#  define OPENSSL_SECURE_MEMORY  /* secure memory is implemented */
+# endif
 #endif