1 | /* Copyright (C) 1995-1998 Eric Young ([email protected]) |
2 | * All rights reserved. |
3 | * |
4 | * This package is an SSL implementation written |
5 | * by Eric Young ([email protected]). |
6 | * The implementation was written so as to conform with Netscapes SSL. |
7 | * |
8 | * This library is free for commercial and non-commercial use as long as |
9 | * the following conditions are aheared to. The following conditions |
10 | * apply to all code found in this distribution, be it the RC4, RSA, |
11 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
12 | * included with this distribution is covered by the same copyright terms |
13 | * except that the holder is Tim Hudson ([email protected]). |
14 | * |
15 | * Copyright remains Eric Young's, and as such any Copyright notices in |
16 | * the code are not to be removed. |
17 | * If this package is used in a product, Eric Young should be given attribution |
18 | * as the author of the parts of the library used. |
19 | * This can be in the form of a textual message at program startup or |
20 | * in documentation (online or textual) provided with the package. |
21 | * |
22 | * Redistribution and use in source and binary forms, with or without |
23 | * modification, are permitted provided that the following conditions |
24 | * are met: |
25 | * 1. Redistributions of source code must retain the copyright |
26 | * notice, this list of conditions and the following disclaimer. |
27 | * 2. Redistributions in binary form must reproduce the above copyright |
28 | * notice, this list of conditions and the following disclaimer in the |
29 | * documentation and/or other materials provided with the distribution. |
30 | * 3. All advertising materials mentioning features or use of this software |
31 | * must display the following acknowledgement: |
32 | * "This product includes cryptographic software written by |
33 | * Eric Young ([email protected])" |
34 | * The word 'cryptographic' can be left out if the rouines from the library |
35 | * being used are not cryptographic related :-). |
36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
37 | * the apps directory (application code) you must include an acknowledgement: |
38 | * "This product includes software written by Tim Hudson ([email protected])" |
39 | * |
40 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
41 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
43 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
44 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
45 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
46 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
48 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
49 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
50 | * SUCH DAMAGE. |
51 | * |
52 | * The licence and distribution terms for any publically available version or |
53 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
54 | * copied and put under another distribution licence |
55 | * [including the GNU Public Licence.] */ |
56 | |
57 | #ifndef OPENSSL_HEADER_TYPE_CHECK_H |
58 | #define |
59 | |
60 | #include <openssl/base.h> |
61 | |
62 | #if defined(__cplusplus) |
63 | extern "C" { |
64 | #endif |
65 | |
66 | |
67 | #if defined(__cplusplus) || (defined(_MSC_VER) && !defined(__clang__)) |
68 | // In C++ and non-clang MSVC, |static_assert| is a keyword. |
69 | #define OPENSSL_STATIC_ASSERT(cond, msg) static_assert(cond, msg) |
70 | #else |
71 | // C11 defines the |_Static_assert| keyword and the |static_assert| macro in |
72 | // assert.h. While the former is available at all versions in Clang and GCC, the |
73 | // later depends on libc and, in glibc, depends on being built in C11 mode. We |
74 | // do not require this, for now, so use |_Static_assert| directly. |
75 | #define OPENSSL_STATIC_ASSERT(cond, msg) _Static_assert(cond, msg) |
76 | #endif |
77 | |
78 | // CHECKED_CAST casts |p| from type |from| to type |to|. |
79 | // |
80 | // TODO(davidben): Although this macro is not public API and is unused in |
81 | // BoringSSL, wpa_supplicant uses it to define its own stacks. Remove this once |
82 | // wpa_supplicant has been fixed. |
83 | #define CHECKED_CAST(to, from, p) ((to) (1 ? (p) : (from)0)) |
84 | |
85 | |
86 | #if defined(__cplusplus) |
87 | } // extern C |
88 | #endif |
89 | |
90 | #endif // OPENSSL_HEADER_TYPE_CHECK_H |
91 | |