Work around Travis "virtual memory exhausted" error

[openssl.git] / crypto / rand / rand_egd.c

diff --git a/crypto/rand/rand_egd.c b/crypto/rand/rand_egd.c
index e65dc0917a704c6f854e64dca40d9b40f9ad5235..dd58b214981efd3d1d4fbf4e0f537e9da2a69959 100644 (file)
--- a/crypto/rand/rand_egd.c
+++ b/crypto/rand/rand_egd.c
@@ -1,62 +1,20 @@
-/* crypto/rand/rand_egd.c */
-/* Written by Ulf Moeller and Lutz Jaenicke for the OpenSSL project. */
-/* ====================================================================
- * Copyright (c) 1998-2000 The OpenSSL Project.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- *    software must display the following acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+/*
+ * Copyright 2000-2016 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
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
  */
 
-#include <openssl/crypto.h>
-#include <openssl/e_os2.h>
-#include <openssl/rand.h>
+#include <openssl/opensslconf.h>
+#ifdef OPENSSL_NO_EGD
+NON_EMPTY_TRANSLATION_UNIT
+#else
+
+# include <openssl/crypto.h>
+# include <openssl/e_os2.h>
+# include <openssl/rand.h>
 
 /*-
  * Query the EGD <URL: http://www.lothar.com/tech/crypto/>.
@@ -90,14 +48,12 @@
  *         the number of bytes requested or smaller, if the EGD pool is
  *         drained and the daemon signals that the pool is empty.
  *
- * RAND_egd(path) will query 255 bytes and use the bytes retreived to seed
+ * RAND_egd(path) will query 255 bytes and use the bytes retrieved to seed
  *   the PRNG.
  *   RAND_egd() is a wrapper for RAND_egd_bytes() with numbytes=255.
  */
 
-#ifndef OPENSSL_NO_EGD
-
-# if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VMS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_VOS) || defined(OPENSSL_SYS_UEFI)
+# if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VMS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_VOS) || defined(OPENSSL_SYS_UEFI)
 int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes)
 {
     return (-1);
@@ -177,6 +133,7 @@ int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes)
                 break;
 #  endif
             default:
+                ret = -1;
                 goto err;       /* failure */
             }
         }
@@ -271,10 +228,10 @@ int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes)
 
 int RAND_egd_bytes(const char *path, int bytes)
 {
-    int num, ret = 0;
+    int num, ret = -1;
 
     num = RAND_query_egd_bytes(path, NULL, bytes);
-    if (num < 1)
+    if (num < 0)
         goto err;
     if (RAND_status() == 1)
         ret = num;
@@ -289,8 +246,4 @@ int RAND_egd(const char *path)
 
 # endif
 
-#else /* OPENSSL_NO_EGD */
-# if PEDANTIC
-static void *dummy = &dummy;
-# endif
 #endif