Source code of Windows XP (NT5)
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/*
* Some simple debugging macros that look and behave a lot like their
* namesakes in MFC. These macros should work in both C and C++ and
* do something useful with almost any Win32 compiler.
*
* George V. Reilly <[email protected]> <[email protected]>
*/
#ifndef __DEBUG_H__
#define __DEBUG_H__
#ifdef _DEBUG
# if defined(_MSC_VER) && (_MSC_VER >= 1000)
/* Use the new debugging tools in Visual C++ 4.x */
# include <crtdbg.h>
/* _ASSERTE will give a more meaningful message, but the string takes
* space. Use _ASSERT if this is an issue. */
# define ASSERT(f) _ASSERTE(f)
# else
# include <assert.h>
# define ASSERT(f) assert(f)
# endif
# define VERIFY(f) ASSERT(f)
# define DEBUG_ONLY(f) (f)
# define TRACE Trace
# define TRACE0(psz) Trace(_T("%s"), _T(psz))
# define TRACE1(psz, p1) Trace(_T(psz), p1)
# define TRACE2(psz, p1, p2) Trace(_T(psz), p1, p2)
# define TRACE3(psz, p1, p2, p3) Trace(_T(psz), p1, p2, p3)
# define DEBUG_INIT() DebugInit()
# define DEBUG_TERM() DebugTerm()
#else /* !_DEBUG */
/* These macros should all compile away to nothing */
# define ASSERT(f) ((void)0)
# define VERIFY(f) ((void)(f))
# define DEBUG_ONLY(f) ((void)0)
# define TRACE 1 ? (void)0 : Trace
# define TRACE0(psz)
# define TRACE1(psz, p1)
# define TRACE2(psz, p1, p2)
# define TRACE3(psz, p1, p2, p3)
# define DEBUG_INIT() ((void)0)
# define DEBUG_TERM() ((void)0)
#endif /* !_DEBUG */
#define ASSERT_POINTER(p, type) \
ASSERT(((p) != NULL) && IsValidAddress((p), sizeof(type), FALSE))
#define ASSERT_NULL_OR_POINTER(p, type) \
ASSERT(((p) == NULL) || IsValidAddress((p), sizeof(type), FALSE))
/* t-brianm (6-3-97) Added ASSERT_STRING macros */
#define ASSERT_STRING(s) \
ASSERT(((s) != NULL) && IsValidString((s), -1))
#define ASSERT_NULL_OR_STRING(s) \
ASSERT(((s) == NULL) || IsValidString((s), -1))
/* Declarations for non-Windows apps */
#ifndef _WINDEF_
typedef void* LPVOID;
typedef const void* LPCVOID;
typedef unsigned int UINT;
typedef int BOOL;
typedef const char* LPCTSTR;
#endif /* _WINDEF_ */
#ifndef TRUE
# define FALSE 0
# define TRUE 1
#endif
#ifdef __cplusplus
extern "C" {
/* Low-level sanity checks for memory blocks */
BOOL IsValidAddress(LPCVOID pv, UINT nBytes, BOOL fReadWrite = TRUE);
BOOL IsValidString(LPCTSTR ptsz, int nLength = -1);
#else /* !__cplusplus */
/* Low-level sanity checks for memory blocks */
BOOL IsValidAddress(LPCVOID pv, UINT nBytes, BOOL fReadWrite);
BOOL IsValidString(LPCTSTR ptsz, int nLength);
#endif /* !__cplusplus */
/* in debug version, writes trace messages to debug stream */
void __cdecl
Trace(
LPCTSTR pszFormat,
...);
/* should be called from main(), WinMain(), or DllMain() */
void
DebugInit();
void
DebugTerm();
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __DEBUG_H__ */