| /* |
| * 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 |
| |
| /* 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 */ |
| |
| /* See: https://www.freebsd.org/cgi/man.cgi?query=strlcpy */ |
| WRAP_EXTERN_C size_t missing_strlcpy(char *dst, const char *src, size_t dstsize); |
| /* See: https://www.freebsd.org/cgi/man.cgi?query=strlcat */ |
| WRAP_EXTERN_C size_t missing_strlcat(char *dst, const char *src, size_t dstsize); |
| /* See: https://www.freebsd.org/cgi/man.cgi?query=strnlen */ |
| WRAP_EXTERN_C size_t missing_strnlen(const char *s, size_t maxlen); |
| |
| #undef WRAP_EXTERN_C |
| |
| |
| |
| #if (!HAVE_STRNLEN) |
| #define strnlen( S, N ) missing_strnlen( S, N ) |
| #endif |
| |
| #if (!HAVE_STRLCPY) |
| #define strlcpy( D, S, N ) missing_strlcpy( D, S, N ) |
| #endif |
| |
| #if (!HAVE_STRLCAT) |
| #define strlcat( D, S, N ) missing_strlcat( D, S, N ) |
| #endif |
| |
| #endif // WRAP_STRING_H |