Update for scanner.
[awesomized/libmemcached] / libmemcached / assert.hpp
1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
2 *
3 * libmcachedd client library.
4 *
5 * Copyright (C) 2011-2013 Data Differential, http://datadifferential.com/
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
10 * met:
11 *
12 * * Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * * Redistributions in binary form must reproduce the above
16 * copyright notice, this list of conditions and the following disclaimer
17 * in the documentation and/or other materials provided with the
18 * distribution.
19 *
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21 * promote products derived from this software without specific prior
22 * written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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36 */
37
38 #pragma once
39
40 #ifdef __cplusplus
41 # include <cassert>
42 #else
43 # include <assert.h>
44 #endif // __cplusplus
45
46 #ifdef NDEBUG
47 # define assert_msg(__expr, __mesg) (void)(__expr); (void)(__mesg);
48 # define assert_vmsg(__expr, __mesg, ...) (void)(__expr); (void)(__mesg);
49 #else
50
51 # ifdef _WIN32
52 # include <malloc.h>
53 # else
54 # include <alloca.h>
55 # endif
56
57 #ifdef __cplusplus
58 # include <cstdarg>
59 # include <cstdio>
60 #else
61 # include <stdarg.h>
62 # include <stdio.h>
63 #endif
64
65 # include <libmemcached/backtrace.hpp>
66
67 # define assert_msg(__expr, __mesg) \
68 do \
69 { \
70 if (not (__expr)) \
71 { \
72 fprintf(stderr, "\n%s:%d Assertion \"%s\" failed for function \"%s\" likely for %s\n", __FILE__, __LINE__, #__expr, __func__, (#__mesg));\
73 custom_backtrace(); \
74 abort(); \
75 } \
76 } while (0)
77
78 # define assert_vmsg(__expr, __mesg, ...) \
79 do \
80 { \
81 if (not (__expr)) \
82 { \
83 size_t ask= snprintf(0, 0, (__mesg), __VA_ARGS__); \
84 ask++; \
85 char *_error_message= (char*)alloca(sizeof(char) * ask); \
86 size_t _error_message_size= snprintf(_error_message, ask, (__mesg), __VA_ARGS__); \
87 fprintf(stderr, "\n%s:%d Assertion '%s' failed for function '%s' [ %.*s ]\n", __FILE__, __LINE__, #__expr, __func__, int(_error_message_size), _error_message);\
88 custom_backtrace(); \
89 abort(); \
90 } \
91 } while (0)
92
93 #endif // NDEBUG