1//
2// Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
3//
4// This software is provided 'as-is', without any express or implied
5// warranty. In no event will the authors be held liable for any damages
6// arising from the use of this software.
7// Permission is granted to anyone to use this software for any purpose,
8// including commercial applications, and to alter it and redistribute it
9// freely, subject to the following restrictions:
10// 1. The origin of this software must not be misrepresented; you must not
11// claim that you wrote the original software. If you use this software
12// in a product, an acknowledgment in the product documentation would be
13// appreciated but is not required.
14// 2. Altered source versions must be plainly marked as such, and must not be
15// misrepresented as being the original software.
16// 3. This notice may not be removed or altered from any source distribution.
17//
18
19#ifndef RECASTASSERT_H
20#define RECASTASSERT_H
21
22#ifdef NDEBUG
23
24// From https://web.archive.org/web/20210117002833/http://cnicholson.net/2009/02/stupid-c-tricks-adventures-in-assert/
25# define rcAssert(x) do { (void)sizeof(x); } while ((void)(__LINE__==-1), false)
26
27#else
28
29/// An assertion failure function.
30// @param[in] expression asserted expression.
31// @param[in] file Filename of the failed assertion.
32// @param[in] line Line number of the failed assertion.
33/// @see rcAssertFailSetCustom
34typedef void (rcAssertFailFunc)(const char* expression, const char* file, int line);
35
36/// Sets the base custom assertion failure function to be used by Recast.
37/// @param[in] assertFailFunc The function to be used in case of failure of #dtAssert
38void rcAssertFailSetCustom(rcAssertFailFunc* assertFailFunc);
39
40/// Gets the base custom assertion failure function to be used by Recast.
41rcAssertFailFunc* rcAssertFailGetCustom();
42
43# include <assert.h>
44# define rcAssert(expression) \
45 { \
46 rcAssertFailFunc* failFunc = rcAssertFailGetCustom(); \
47 if (failFunc == NULL) { assert(expression); } \
48 else if (!(expression)) { (*failFunc)(#expression, __FILE__, __LINE__); } \
49 }
50
51#endif
52
53#endif // RECASTASSERT_H
54