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Switched to DebugBreak() for Windows machines to snap the debugger and allow a continue

pull/35/head
Jeffrey Walton 2015-08-03 19:17:42 -04:00
parent 1e103c0e5b
commit 09b5d2f5dd
1 changed files with 45 additions and 15 deletions
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60
trap.h
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@ -4,26 +4,40 @@
#ifndef CRYPTOPP_TRAP_H #ifndef CRYPTOPP_TRAP_H
#define CRYPTOPP_TRAP_H #define CRYPTOPP_TRAP_H
#ifndef NDEBUG #include "config.h"
#ifdef CRYPTOPP_UNIX_AVAILABLE
# include <iostream>
# include <sstream>
# include <signal.h>
#endif // CRYPTOPP_UNIX_AVAILABLE
#endif // NDEBUG
// CRYPTOPP_POSIX_ASSERT unconditionally disables the library assert and yields
// to Posix assert. CRYPTOPP_POSIX_ASSERT can be set in config.h. if you want
// to disable asserts, then define NDEBUG or _NDEBUG when building the library.
// Needed for NDEBUG and CRYPTOPP_POSIX_ASSERT
#include <cassert> #include <cassert>
#if defined(CRYPTOPP_DEBUG)
# include <iostream>
# include <sstream>
# if defined(CRYPTOPP_WIN32_AVAILABLE)
# pragma push_macro("WIN32_LEAN_AND_MEAN")
# pragma push_macro("_WIN32_WINNT")
# pragma push_macro("NOMINMAX")
# define WIN32_LEAN_AND_MEAN
# define _WIN32_WINNT 0x0400
# define NOMINMAX
# include <Windows.h>
# elif defined(CRYPTOPP_BSD_AVAILABLE) || defined(CRYPTOPP_UNIX_AVAILABLE)
# include <signal.h>
# endif
#endif // CRYPTOPP_DEBUG
// ************** run-time assertion *************** // ************** run-time assertion ***************
// See test.cpp and DebugTrapHandler for code to install a NULL // See test.cpp and DebugTrapHandler for code to install a null signal handler
// signal handler for SIGTRAP. The handler installs itself during // for SIGTRAP on BSD, Linux and Unix. The handler installs itself during
// initialization of the test program. // initialization of the test program.
// Linux and Unix #if defined(CRYPTOPP_DEBUG) && (defined(CRYPTOPP_BSD_AVAILABLE) || defined(CRYPTOPP_UNIX_AVAILABLE))
#if !defined(NDEBUG) && defined(CRYPTOPP_UNIX_AVAILABLE)
# define CRYPTOPP_ASSERT(exp) { \ # define CRYPTOPP_ASSERT(exp) { \
if (!(exp)) { \ if (!(exp)) { \
std::ostringstream oss; \ std::ostringstream oss; \
oss << "Assertion failed: " << (char*)(__FILE__) << "(" \ oss << "Assertion failed: " << (char*)(__FILE__) << "(" \
<< (int)(__LINE__) << "): " << (char*)(__func__) \ << (int)(__LINE__) << "): " << (char*)(__func__) \
@ -32,10 +46,26 @@
raise(SIGTRAP); \ raise(SIGTRAP); \
} \ } \
} }
// Fallback to original behavior (including for NDEBUG) #elif defined(CRYPTOPP_DEBUG) && defined(CRYPTOPP_WIN32_AVAILABLE)
# define CRYPTOPP_ASSERT(exp) { \
if (!(exp)) { \
std::ostringstream oss; \
oss << "Assertion failed: " << (char*)(__FILE__) << "(" \
<< (int)(__LINE__) << "): " << (char*)(__FUNCTION__) \
<< std::endl; \
DebugBreak(); \
std::cerr << oss.str(); \
} \
}
// Fallback to original behavior for NDEBUG (and non-Windows/non-Unix builds)
#else #else
# define CRYPTOPP_ASSERT(exp) assert(exp) # define CRYPTOPP_ASSERT(exp) assert(exp)
#endif // DEBUG and CRYPTOPP_UNIX_AVAILABLE #endif // DEBUG and Unix or Windows
#if defined(CRYPTOPP_DEBUG) && defined(CRYPTOPP_WIN32_AVAILABLE)
# pragma pop_macro("WIN32_LEAN_AND_MEAN")
# pragma pop_macro("_WIN32_WINNT")
# pragma pop_macro("NOMINMAX")
#endif
#endif // CRYPTOPP_TRAP_H #endif // CRYPTOPP_TRAP_H