Add legacy include guards to public header files

[openssl.git] / include / openssl / e_os2.h

diff --git a/include/openssl/e_os2.h b/include/openssl/e_os2.h
index c1a9ad7c25318330f9080c059470782fbfc236cb..69a50911ddc0a32613f93ac8022aa05758c1606e 100644 (file)
--- a/include/openssl/e_os2.h
+++ b/include/openssl/e_os2.h
@@ -1,14 +1,20 @@
 /*
- * Copyright 1995-2016 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
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
  * in the file LICENSE in the source distribution or at
  * https://www.openssl.org/source/license.html
  */
 
-#ifndef HEADER_E_OS2_H
-# define HEADER_E_OS2_H
+#ifndef OPENSSL_E_OS2_H
+# define OPENSSL_E_OS2_H
+# pragma once
+
+# include <openssl/macros.h>
+# if !OPENSSL_API_3
+#  define HEADER_E_OS2_H
+# endif
 
 # include <openssl/opensslconf.h>
 
@@ -49,7 +55,6 @@ extern "C" {
 #  define OPENSSL_SYS_WIN32_UWIN
 # else
 #  if defined(__CYGWIN__) || defined(OPENSSL_SYS_CYGWIN)
-#   undef OPENSSL_SYS_UNIX
 #   define OPENSSL_SYS_WIN32_CYGWIN
 #  else
 #   if defined(_WIN32) || defined(OPENSSL_SYS_WIN32)
@@ -137,15 +142,6 @@ extern "C" {
  * That's it for OS-specific stuff
  *****************************************************************************/
 
-/* Specials for I/O an exit */
-# ifdef OPENSSL_SYS_MSDOS
-#  define OPENSSL_UNISTD_IO <io.h>
-#  define OPENSSL_DECLARE_EXIT extern void exit(int);
-# else
-#  define OPENSSL_UNISTD_IO OPENSSL_UNISTD
-#  define OPENSSL_DECLARE_EXIT  /* declared in unistd.h */
-# endif
-
 /*-
  * OPENSSL_EXTERN is normally used to declare a symbol with possible extra
  * attributes to handle its presence in a shared library.
@@ -173,29 +169,6 @@ extern "C" {
 #  define OPENSSL_EXTERN extern
 # endif
 
-/*-
- * Macros to allow global variables to be reached through function calls when
- * required (if a shared library version requires it, for example.
- * The way it's done allows definitions like this:
- *
- *      // in foobar.c
- *      OPENSSL_IMPLEMENT_GLOBAL(int,foobar,0)
- *      // in foobar.h
- *      OPENSSL_DECLARE_GLOBAL(int,foobar);
- *      #define foobar OPENSSL_GLOBAL_REF(foobar)
- */
-# ifdef OPENSSL_EXPORT_VAR_AS_FUNCTION
-#  define OPENSSL_IMPLEMENT_GLOBAL(type,name,value)                      \
-        type *_shadow_##name(void)                                      \
-        { static type _hide_##name=value; return &_hide_##name; }
-#  define OPENSSL_DECLARE_GLOBAL(type,name) type *_shadow_##name(void)
-#  define OPENSSL_GLOBAL_REF(name) (*(_shadow_##name()))
-# else
-#  define OPENSSL_IMPLEMENT_GLOBAL(type,name,value) type _shadow_##name=value;
-#  define OPENSSL_DECLARE_GLOBAL(type,name) OPENSSL_EXPORT type _shadow_##name
-#  define OPENSSL_GLOBAL_REF(name) _shadow_##name
-# endif
-
 # ifdef _WIN32
 #  ifdef _WIN64
 #   define ossl_ssize_t __int64
@@ -206,9 +179,9 @@ extern "C" {
 #  endif
 # endif
 
-# if defined(OPENSSL_SYS_UEFI) && !defined(ssize_t)
-#  define ossl_ssize_t int
-#  define OSSL_SSIZE_MAX INT_MAX
+# if defined(OPENSSL_SYS_UEFI) && !defined(ossl_ssize_t)
+#  define ossl_ssize_t INTN
+#  define OSSL_SSIZE_MAX MAX_INTN
 # endif
 
 # ifndef ossl_ssize_t
@@ -217,6 +190,8 @@ extern "C" {
 #   define OSSL_SSIZE_MAX SSIZE_MAX
 #  elif defined(_POSIX_SSIZE_MAX)
 #   define OSSL_SSIZE_MAX _POSIX_SSIZE_MAX
+#  else
+#   define OSSL_SSIZE_MAX ((ssize_t)(SIZE_MAX>>1))
 #  endif
 # endif
 
@@ -227,6 +202,8 @@ extern "C" {
 # endif
 
 /* Standard integer types */
+# define OPENSSL_NO_INTTYPES_H
+# define OPENSSL_NO_STDINT_H
 # if defined(OPENSSL_SYS_UEFI)
 typedef INT8 int8_t;
 typedef UINT8 uint8_t;
@@ -236,11 +213,13 @@ typedef INT32 int32_t;
 typedef UINT32 uint32_t;
 typedef INT64 int64_t;
 typedef UINT64 uint64_t;
-#  define PRIu64 "%Lu"
 # elif (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
      defined(__osf__) || defined(__sgi) || defined(__hpux) || \
      defined(OPENSSL_SYS_VMS) || defined (__OpenBSD__)
 #  include <inttypes.h>
+#  undef OPENSSL_NO_INTTYPES_H
+/* Because the specs say that inttypes.h includes stdint.h if present */
+#  undef OPENSSL_NO_STDINT_H
 # elif defined(_MSC_VER) && _MSC_VER<=1500
 /*
  * minimally required typdefs for systems not supporting inttypes.h or
@@ -256,6 +235,7 @@ typedef __int64 int64_t;
 typedef unsigned __int64 uint64_t;
 # else
 #  include <stdint.h>
+#  undef OPENSSL_NO_STDINT_H
 # endif
 
 /* ossl_inline: portable inline definition usable in public headers */
@@ -287,6 +267,13 @@ typedef unsigned __int64 uint64_t;
 #  define ossl_noreturn
 # endif
 
+/* ossl_unused: portable unused attribute for use in public headers */
+# if defined(__GNUC__)
+#  define ossl_unused __attribute__((unused))
+# else
+#  define ossl_unused
+# endif
+
 #ifdef  __cplusplus
 }
 #endif