Move random-related defines from e_os.h to rand_unix.c

[openssl.git] / e_os.h

diff --git a/e_os.h b/e_os.h
index f3b8fb830de5668df70e124b9395b4df48f338a3..60a3bf290be431b1a7cc3ddbdab1977f6f9aad20 100644 (file)
--- a/e_os.h
+++ b/e_os.h
@@ -1,14 +1,14 @@
 /*
- * 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
+ * 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_OS_H
-# define HEADER_E_OS_H
+#ifndef OSSL_E_OS_H
+# define OSSL_E_OS_H
 
 # include <limits.h>
 # include <openssl/opensslconf.h>
@@ -22,57 +22,6 @@
  * outside; this file e_os.h is not part of the exported interface.
  */
 
-#ifdef  __cplusplus
-extern "C" {
-#endif
-
-/*
- * Format specifier for printing size_t. Original conundrum was to
- * get it working with -Wformat [-Werror], which can be considered
- * overzealous, especially in multi-platform context, but it's
- * conscious choice...
- */
-# if defined(_WIN64)
-#  define OSSLzu  "I64u"    /* One would expect _WIN{64|32} cases after
-                             * __STDC_VERSION__, but there are corner
-                             * cases of MinGW compilers that link with
-                             * non-compliant MSVCRT.DLL... */
-# elif defined(_WIN32)
-#  define OSSLzu  "u"
-# elif defined(__VMS)
-#  define OSSLzu  "u"       /* VMS suffers from similar problem as MinGW,
-                             * i.e. C RTL falling behind compiler. Recall
-                             * that sizeof(size_t)==4 even in LP64 case. */
-# elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
-#  define OSSLzu  "zu"
-# elif defined(__SIZEOF_SIZE_T__) && __SIZEOF_SIZE_T__==4
-#  define OSSLzu  "u"       /* 'lu' should have worked, but when generating
-                             * 32-bit code gcc still complains :-( */
-# else
-#  define OSSLzu  "lu"      /* To see that is works recall what does L
-                             * stand for in ILP32 and LP64 */
-# endif
-
-# ifndef DEVRANDOM
-/*
- * set this to a comma-separated list of 'random' device files to try out. By
- * default, we will try to read at least one of these files
- */
-#  if defined(__s390__)
-#   define DEVRANDOM "/dev/prandom","/dev/urandom","/dev/hwrng","/dev/random"
-#  else
-#   define DEVRANDOM "/dev/urandom","/dev/random","/dev/srandom"
-#  endif
-# endif
-# if !defined(OPENSSL_NO_EGD) && !defined(DEVRANDOM_EGD)
-/*
- * set this to a comma-separated list of 'egd' sockets to try out. These
- * sockets will be tried in the order listed in case accessing the device
- * files listed in DEVRANDOM did not return enough randomness.
- */
-#  define DEVRANDOM_EGD "/var/run/egd-pool","/dev/egd-pool","/etc/egd-pool","/etc/entropy"
-# endif
-
 # if defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_UEFI)
 #  define NO_CHMOD
 #  define NO_SYSLOG
@@ -80,6 +29,7 @@ extern "C" {
 
 # define get_last_sys_error()    errno
 # define clear_sys_error()       errno=0
+# define set_sys_error(e)        errno=(e)
 
 /********************************************************************
  The Microsoft section
@@ -97,8 +47,10 @@ extern "C" {
 # ifdef WIN32
 #  undef get_last_sys_error
 #  undef clear_sys_error
+#  undef set_sys_error
 #  define get_last_sys_error()    GetLastError()
 #  define clear_sys_error()       SetLastError(0)
+#  define set_sys_error(e)        SetLastError(e)
 #  if !defined(WINNT)
 #   define WIN_CONSOLE_BUG
 #  endif
@@ -239,7 +191,7 @@ extern FILE *_imp___iob;
 # else                          /* The non-microsoft world */
 
 #  if defined(OPENSSL_SYS_VXWORKS)
-#   include <sys/times.h>
+#   include <time.h>
 #  else
 #   include <sys/time.h>
 #  endif
@@ -276,7 +228,7 @@ 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
@@ -289,11 +241,7 @@ extern FILE *_imp___iob;
 
 #  else
      /* !defined VMS */
-#   ifdef OPENSSL_UNISTD
-#    include OPENSSL_UNISTD
-#   else
-#    include <unistd.h>
-#   endif
+#   include <unistd.h>
 #   include <sys/types.h>
 #   ifdef OPENSSL_SYS_WIN32_CYGWIN
 #    include <io.h>
@@ -348,12 +296,15 @@ 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