/*
 * debspew.h - Debug macros and their retail translations.
 *
 * Taken from URL code by ChrisPi 9-11-95
 *
 */

#ifndef _DEBSPEW_H_
#define _DEBSPEW_H_

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

#include <tchar.h>
#include <limits.h>
#include <shlobj.h>

#include "stock.h"
#include "olestock.h"

#ifdef DEBUG
#include "resstr.h"
#endif /* DEBUG */

#include "valid.h"


#define DATA_SEG_READ_ONLY       ".text"
#define DATA_SEG_PER_INSTANCE    ".data"
#define DATA_SEG_SHARED          ".shared"


/* parameter validation macros */

/*
 * call as:
 *
 * bPTwinOK = IS_VALID_READ_PTR(ptwin, CTWIN);
 *
 * bHTwinOK = IS_VALID_HANDLE(htwin, TWIN);
 */

#ifdef DEBUG

#define IS_VALID_READ_PTR(ptr, type) \
   (IsBadReadPtr((ptr), sizeof(type)) ? \
    (ERROR_OUT(("invalid %s read pointer - %#08lx", (PCSTR)"P"#type, (ptr))), FALSE) : \
    TRUE)

#define IS_VALID_WRITE_PTR(ptr, type) \
   (IsBadWritePtr((PVOID)(ptr), sizeof(type)) ? \
    (ERROR_OUT(("invalid %s write pointer - %#08lx", (PCSTR)"P"#type, (ptr))), FALSE) : \
    TRUE)

#define IS_VALID_STRING_PTR_A(ptr, type) \
   (IsBadStringPtrA((ptr), (UINT)-1) ? \
    (ERROR_OUT(("invalid %s pointer - %#08lx", (PCSTR)"P"#type, (ptr))), FALSE) : \
    TRUE)

#define IS_VALID_STRING_PTR_W(ptr, type) \
   (IsBadStringPtrW((ptr), (UINT)-1) ? \
    (ERROR_OUT(("invalid %s pointer - %#08lx", (PCSTR)"P"#type, (ptr))), FALSE) : \
    TRUE)

#if defined(UNICODE)
#define IS_VALID_STRING_PTR IS_VALID_STRING_PTR_W
#else // defined(UNICODE)
#define IS_VALID_STRING_PTR IS_VALID_STRING_PTR_A
#endif // defined(UNICODE)


#define IS_VALID_CODE_PTR(ptr, type) \
   (IsBadCodePtr((FARPROC)(ptr)) ? \
    (ERROR_OUT(("invalid %s code pointer - %#08lx", (PCSTR)#type, (ptr))), FALSE) : \
    TRUE)

#define IS_VALID_READ_BUFFER_PTR(ptr, type, len) \
   (IsBadReadPtr((ptr), len) ? \
    (ERROR_OUT(("invalid %s read pointer - %#08lx", (PCSTR)"P"#type, (ptr))), FALSE) : \
    TRUE)

#define IS_VALID_WRITE_BUFFER_PTR(ptr, type, len) \
   (IsBadWritePtr((ptr), len) ? \
    (ERROR_OUT(("invalid %s write pointer - %#08lx", (PCSTR)"P"#type, (ptr))), FALSE) : \
    TRUE)

#define FLAGS_ARE_VALID(dwFlags, dwAllFlags) \
   (((dwFlags) & (~(dwAllFlags))) ? \
    (ERROR_OUT(("invalid flags set - %#08lx", ((dwFlags) & (~(dwAllFlags))))), FALSE) : \
    TRUE)

#else

#define IS_VALID_READ_PTR(ptr, type) \
   (! IsBadReadPtr((ptr), sizeof(type)))

#define IS_VALID_WRITE_PTR(ptr, type) \
   (! IsBadWritePtr((PVOID)(ptr), sizeof(type)))

#define IS_VALID_STRING_PTR(ptr, type) \
   (! IsBadStringPtr((ptr), (UINT)-1))

#define IS_VALID_CODE_PTR(ptr, type) \
   (! IsBadCodePtr((FARPROC)(ptr)))

#define IS_VALID_READ_BUFFER_PTR(ptr, type, len) \
   (! IsBadReadPtr((ptr), len))

#define IS_VALID_WRITE_BUFFER_PTR(ptr, type, len) \
   (! IsBadWritePtr((ptr), len))

#define FLAGS_ARE_VALID(dwFlags, dwAllFlags) \
   (((dwFlags) & (~(dwAllFlags))) ? FALSE : TRUE)

#endif

/* handle validation macros */

#ifdef DEBUG

#define IS_VALID_HANDLE(hnd, type) \
   (IsValidH##type(hnd) ? \
    TRUE : \
    (ERROR_OUT(("invalid H" #type " - %#08lx", (hnd))), FALSE))

#else

#define IS_VALID_HANDLE(hnd, type) \
   (IsValidH##type(hnd))

#endif

/* structure validation macros */

#ifdef VSTF

#ifdef DEBUG

#define IS_VALID_STRUCT_PTR(ptr, type) \
   (IsValidP##type(ptr) ? \
    TRUE : \
    (ERROR_OUT(("invalid %s pointer - %#08lx", (PCSTR)"P"#type, (ptr))), FALSE))

#else

#define IS_VALID_STRUCT_PTR(ptr, type) \
   (IsValidP##type(ptr))

#endif

#else

#define IS_VALID_STRUCT_PTR(ptr, type) \
   (! IsBadReadPtr((ptr), sizeof(type)))

#endif

/* OLE interface validation macro */

#define IS_VALID_INTERFACE_PTR(ptr, iface) \
   IS_VALID_STRUCT_PTR(ptr, C##iface)



#ifdef DEBUG

#define CALLTRACE_OUT(s) DbgZPrintFunction s

#define DebugEntry(szFunctionName) \
   (CALLTRACE_OUT((#szFunctionName "() entered.")))

#define DebugExit(szFunctionName, szResult) \
   (CALLTRACE_OUT(("%s() exiting, returning %s.", #szFunctionName, szResult)))

#define DebugExitBOOL(szFunctionName, bool) \
   DebugExit(szFunctionName, GetBOOLString(bool))

#define DebugExitCOMPARISONRESULT(szFunctionName, cr) \
   DebugExit(szFunctionName, GetCOMPARISONRESULTString(cr))

#define DebugExitDWORD(szFunctionName, dw) \
   DebugExitULONG(szFunctionName, dw)

#define DebugExitHRESULT(szFunctionName, hr) \
   DebugExit(szFunctionName, GetHRESULTString(hr))

#define DebugExitINT(szFunctionName, n) \
   DebugExit(szFunctionName, GetINTString(n))

#define DebugExitINT_PTR(szFunctionName, n) \
   DebugExit(szFunctionName, GetINT_PTRString(n))

#define DebugExitULONG(szFunctionName, ul) \
   DebugExit(szFunctionName, GetULONGString(ul))

#define DebugExitVOID(szFunctionName) \
   (CALLTRACE_OUT(("%s() exiting.", #szFunctionName)))

#define DebugExitPVOID(szFunctionName, ptr) \
   DebugExit(szFunctionName, GetPVOIDString(ptr))

#else

#define DebugEntry(szFunctionName)
#define DebugExit(szFunctionName, szResult)
#define DebugExitBOOL(szFunctionName, bool)
#define DebugExitCOMPARISONRESULT(szFunctionName, cr)
#define DebugExitDWORD(szFunctionName, dw)
#define DebugExitHRESULT(szFunctionName, hr)
#define DebugExitINT(szFunctionName, n)
#define DebugExitINT_PTR(szFunctionName, n)
#define DebugExitULONG(szFunctionName, ul)
#define DebugExitVOID(szFunctionName)
#define DebugExitPVOID(szFunctionName, ptr)

#endif


/* Types
 ********/

/* g_dwSpewFlags flags */

typedef enum _spewflags
{
   SPEW_FL_SPEW_PREFIX        = 0x0001,

   SPEW_FL_SPEW_LOCATION      = 0x0002,

   ALL_SPEW_FLAGS             = (SPEW_FL_SPEW_PREFIX |
                                 SPEW_FL_SPEW_LOCATION)
}
SPEWFLAGS;

/* g_uSpewSev values */

typedef enum _spewsev
{
   SPEW_TRACE,

   SPEW_CALLTRACE,

   SPEW_WARNING,

   SPEW_ERROR,

   SPEW_FATAL
}
SPEWSEV;


/* Prototypes
 *************/

/* debspew.c */

#ifdef DEBUG

extern BOOL   SetDebugModuleIniSwitches(void);
extern BOOL   InitDebugModule(PCSTR);
extern void   ExitDebugModule(void);
extern void   SpewOut(PCSTR pcszFormat, ...);
extern DWORD  GetDebugOutputFlags(VOID);
extern VOID   SetDebugOutputFlags(DWORD dw);

#else // DEBUG

#define SetDebugModuleIniSwitches()
#define InitDebugModule(str)
#define ExitDebugModule()
//#define SpewOut(fmt, ...)
#define GetDebugOutputFlags()
#define SetDebugOutputFlags(dw)

#endif // DEBUG


/* Global Variables
 *******************/

#ifdef DEBUG

/* dbg.cpp */
extern HDBGZONE ghDbgZone;

/* debspew.c */

extern DWORD g_dwSpewFlags;
extern UINT g_uSpewSev;
extern UINT g_uSpewLine;
extern PCSTR g_pcszSpewFile;
extern WINDOWPLACEMENT g_wpSpew;

/* defined by client */

extern PCSTR g_pcszSpewModule;

#endif



/*
 * EVAL() may only be used as a logical expression.
 *
 * E.g.,
 *
 * if (EVAL(exp))
 *    bResult = TRUE;
 */

#ifdef DEBUG

#define EVAL(exp) \
   ((exp) || \
    (ERROR_OUT(("evaluation failed '%s'", (PCSTR)#exp)), 0))

#else

#define EVAL(exp) \
   ((exp) != 0)

#endif   /* DEBUG */


#ifdef __cplusplus
}
#endif /* __cplusplus */



#endif /* _DEBSPEW_H_ */