git.m6w6.name Git - awesomized/libmemcached/blob - libmemcached/assert.hpp

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   2  *
   3  *  libmcachedd client library.
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   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
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  37
  38 #pragma once
  39
  40 #ifdef NDEBUG
  41 # define assert_msg(__expr, __mesg) (void)(__expr); (void)(__mesg);
  42 # define assert_vmsg(__expr, __mesg, ...) (void)(__expr); (void)(__mesg);
  43 #else
  44
  45 # ifdef _WIN32
  46 #  include <malloc.h>
  47 # else
  48 #  include <alloca.h>
  49 # endif
  50
  51 # include <cstdarg>
  52 # include <libmemcached/backtrace.hpp>
  53
  54 # define assert_msg(__expr, __mesg) \
  55 do \
  56 { \
  57   if (not (__expr)) \
  58   { \
  59     fprintf(stderr, "\n%s:%d Assertion \"%s\" failed for function \"%s\" likely for %s\n", __FILE__, __LINE__, #__expr, __func__, (#__mesg));\
  60     custom_backtrace(); \
  61     abort(); \
  62   } \
  63 } while (0)
  64
  65 # define assert_vmsg(__expr, __mesg, ...) \
  66 do \
  67 { \
  68   if (not (__expr)) \
  69   { \
  70     size_t ask= snprintf(0, 0, (__mesg), __VA_ARGS__); \
  71     ask++; \
  72     char *_error_message= (char*)alloca(sizeof(char) * ask); \
  73     size_t _error_message_size= snprintf(_error_message, ask, (__mesg), __VA_ARGS__); \
  74     fprintf(stderr, "\n%s:%d Assertion '%s' failed for function '%s' [ %.*s ]\n", __FILE__, __LINE__, #__expr, __func__, int(_error_message_size), _error_message);\
  75     custom_backtrace(); \
  76     abort(); \
  77   } \
  78 } while (0)
  79
  80 #endif // NDEBUG