X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;ds=sidebyside;f=mono%2Fmetadata%2Frand.c;h=4ed1203f85df3390b9d75bd5c597ec955c0c6dea;hb=1e726ce7a38a92860acab28f4427813d2ba14c13;hp=28e4b8716022d292b3251a7b774e2b5ccbdf43a8;hpb=b6b13e72e91d5b529a6306ce53bda685932c77db;p=mono.git

diff --git a/mono/metadata/rand.c b/mono/metadata/rand.c
index 28e4b871602..4ed1203f85d 100644
--- a/mono/metadata/rand.c
+++ b/mono/metadata/rand.c
@@ -6,8 +6,8 @@
  *      Patrik Torstensson (p@rxc.se)
  *	Sebastien Pouliot (sebastien@ximian.com)
  *
- * (C) 2001 Ximian, Inc.
- * Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
+ * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
+ * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
  */
 
 #include <config.h>
@@ -15,13 +15,18 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
 
 #include <mono/metadata/object.h>
 #include <mono/metadata/rand.h>
 #include <mono/metadata/exception.h>
 
-#if !defined(PLATFORM_WIN32)
+#if !defined(__native_client__) && !defined(HOST_WIN32)
 #include <sys/socket.h>
 #include <sys/un.h>
 #include <errno.h>
@@ -92,7 +97,7 @@ get_entropy_from_server (const char *path, guchar *buf, int len)
 }
 #endif
 
-#if defined (PLATFORM_WIN32)
+#if defined (HOST_WIN32)
 
 #include <windows.h>
 #include <wincrypt.h>
@@ -175,6 +180,58 @@ ves_icall_System_Security_Cryptography_RNGCryptoServiceProvider_RngClose (gpoint
 	CryptReleaseContext ((HCRYPTPROV) handle, 0);
 }
 
+#elif defined (__native_client__)
+
+#include <time.h>
+
+MonoBoolean
+ves_icall_System_Security_Cryptography_RNGCryptoServiceProvider_RngOpen (void)
+{
+	srand (time (NULL));
+	return TRUE;
+}
+
+gpointer
+ves_icall_System_Security_Cryptography_RNGCryptoServiceProvider_RngInitialize (MonoArray *seed)
+{
+	return -1;
+}
+
+gpointer 
+ves_icall_System_Security_Cryptography_RNGCryptoServiceProvider_RngGetBytes (gpointer handle, MonoArray *arry)
+{	
+	guint32 len = mono_array_length (arry);
+	guchar *buf = mono_array_addr (arry, guchar, 0);
+
+	/* Read until the buffer is filled. This may block if using NAME_DEV_RANDOM. */
+	gint count = 0;
+	gint err;
+
+	do {
+		if (len - count >= sizeof (long))
+		{
+			*(long*)buf = rand();
+			count += sizeof (long);
+		}
+		else if (len - count >= sizeof (short))
+		{
+			*(short*)buf = rand();
+			count += sizeof (short);
+		}
+		else if (len - count >= sizeof (char))
+		{
+			*buf = rand();
+			count += sizeof (char);
+		}
+	} while (count < len);
+
+	return (gpointer)-1L;
+}
+
+void
+ves_icall_System_Security_Cryptography_RNGCryptoServiceProvider_RngClose (gpointer handle) 
+{
+}
 #else
 
 #ifndef NAME_DEV_URANDOM