Merge branch 'lukas/ose/master/OTP-11334'

* lukas/ose/master/OTP-11334: (71 commits)
  erts: Fix unix efile assert
  ose: Use -O2 when building
  ose: Expand OSE docs
  ose: Add dummy ttsl driver
  ose: Cleanup cleanup of mutex selection defines
  ose: Polish mmap configure checks
  ose: Add ose specific x-compile flags
  ose: Updating fd_driver and spawn_driver for OSE
  ose: Updating event and signal API for OSE
  ose: Cleanup of mutex selection defines
  win32: Compile erl_log.exe
  ose: Remove uneccesary define
  ose: Fix ssl configure test for osx
  erts: Fix sys_msg_dispatcher assert
  ose: Fix broken doc links
  ose: Thread priorities configurable from lmconf
  ose: Yielding the cpu is done "the OSE" way
  ose: Start using ppdata for tse key
  ose: Do not use spinlocks on OSE
  ose: Fix support for crypto
  ...

Conflicts:
	lib/crypto/c_src/crypto.c

1 files changed, 64 insertions, 0 deletions

diff --git a/erts/etc/common/safe_string.h b/erts/etc/common/safe_string.h
new file mode 100644
index 0000000000..ff063fe641
--- /dev/null
+++ b/erts/etc/common/safe_string.h
@@ -0,0 +1,64 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2008-2009. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+/*
+ * Module: safe_string.h
+ *
+ * This is an interface to a bunch of generic string operation
+ * that are safe regarding buffer overflow.
+ *
+ * All string functions terminate the process with an error message
+ * on buffer overflow.
+ */
+
+#include <stdio.h>
+#include <stdarg.h>
+
+/* Like vsnprintf()
+ */
+int vsn_printf(char* dst, size_t size, const char* format, va_list args);
+
+/* Like snprintf()
+ */
+int sn_printf(char* dst, size_t size, const char* format, ...);
+
+/* Like strncpy()
+ * Returns length of copied string.
+ */
+int strn_cpy(char* dst, size_t size, const char* src);
+
+/* Almost like strncat()
+ * size is sizeof entire dst buffer.
+ * Returns length of resulting string.
+ */
+int strn_cat(char* dst, size_t size, const char* src);
+
+/* Combination of strncat() and snprintf()
+ * size is sizeof entire dst buffer.
+ * Returns length of resulting string.
+ */
+int strn_catf(char* dst, size_t size, const char* format, ...);
+
+/* Simular to strstr() but search size bytes of haystack
+ * without regard to '\0' characters.
+ */
+char* find_str(const char* haystack, int size, const char* needle);
+
+#ifndef HAVE_MEMMOVE
+void* memmove(void *dest, const void *src, size_t n);
+#endif