X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=e_os.h;h=534059382b0a81d2a500564ae94c48203cf0b4c3;hp=8991e6202f6bac083d1b4ade78b3978ff06dc7c9;hb=caa8595276c60f009c8621ad466338d2ae39fb86;hpb=46d085096c6ead624c61e4b8b301421301511e64

diff --git a/e_os.h b/e_os.h
index 8991e6202f..534059382b 100644
--- a/e_os.h
+++ b/e_os.h
@@ -317,8 +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 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