[utils] remove wrap_string.h (#5150)

examples/platforms/k32w/src/settings_k32w.c

@@ -37,6 +37,7 @@
 #include <assert.h>
 #include <stddef.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include <openthread-core-config.h>
 
@@ -44,7 +45,6 @@
 #include <openthread/platform/settings.h>
 
 #include "utils/code_utils.h"
-#include "utils/wrap_string.h"
 
 #include "openthread/platform/flash.h"
 

src/core/utils/wrap_string.h

@@ -1,54 +0,0 @@
-/*
- *    Copyright (c) 2017, The OpenThread Authors.
- *    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. Neither the name of the copyright holder nor the
- *       names of its contributors may be used to endorse or promote products
- *       derived from this software without specific prior written permission.
- *
- *    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- *    ANY EXPRESS 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 COPYRIGHT HOLDER OR 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.
- */
-
-/**
- * @file
- *   This file is a wrapper for the standard "string.h" file
- *   Some platforms provide all required functions, some do not.
- *   This solves the missing functions in #include <string.h>
- */
-
-#if !defined(WRAP_STRING_H)
-#define WRAP_STRING_H
-
-#include "openthread-core-config.h"
-
-/* system provided string.h */
-#include <string.h>
-
-/* These are C functions */
-#if defined(__cplusplus)
-#define WRAP_EXTERN_C extern "C"
-#else
-#define WRAP_EXTERN_C extern
-#endif
-
-/* Prototypes for our missing function replacements */
-
-#undef WRAP_EXTERN_C
-
-#endif // WRAP_STRING_H