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- /******************************************************************* DEBUG.CC
- * *
- * Debugging Aids *
- * *
- ****************************************************************************/
-
- #define INCL_BASE
- #define INCL_WIN
- #include <os2.h>
-
- #include <stdarg.h>
- #include <stdio.h>
- #include <stdlib.h>
-
- #include "debug.h"
-
- extern HFILE Timer = 0 ;
- extern BOOL Trace = FALSE ;
-
-
- /****************************************************************************
- * *
- * Display Debug Message *
- * *
- ****************************************************************************/
-
- extern VOID Debug ( HWND hwnd, char *Message, ... )
- {
- /***************************************************************************
- * Local Declarations *
- ***************************************************************************/
-
- va_list Marker ;
- char Text [500] ;
-
- /***************************************************************************
- * Format the debug message. *
- ***************************************************************************/
-
- va_start ( Marker, Message ) ;
- vsprintf ( Text, Message, Marker ) ;
- va_end ( Marker ) ;
-
- /***************************************************************************
- * Display the log message and wait for the user to press ENTER. *
- ***************************************************************************/
-
- WinMessageBox ( HWND_DESKTOP, hwnd, (PSZ)Text, (PSZ)"Debug", 0, MB_ENTER ) ;
- }
-
- /****************************************************************************
- * *
- * Log Debug Message *
- * *
- ****************************************************************************/
-
- extern VOID Log ( char *Message, ... )
- {
- /***************************************************************************
- * Try to open the log file. If unsuccessful, just return. *
- ***************************************************************************/
-
- ULONG Action ;
- HFILE Handle ;
-
- if ( DosOpen ( (PSZ)"LOG", &Handle, &Action, 0,
- FILE_NORMAL, FILE_CREATE | FILE_OPEN,
- OPEN_ACCESS_WRITEONLY | OPEN_SHARE_DENYWRITE | OPEN_FLAGS_FAIL_ON_ERROR |
- OPEN_FLAGS_WRITE_THROUGH | OPEN_FLAGS_SEQUENTIAL, 0 ) )
- {
- return ;
- }
-
- /***************************************************************************
- * Position to the end of the file. *
- ***************************************************************************/
-
- ULONG Position ;
- DosChgFilePtr ( Handle, 0, FILE_END, &Position ) ;
-
- /***************************************************************************
- * Format the message for the log file. *
- ***************************************************************************/
-
- char Buffer [512] ;
- va_list Marker ;
-
- va_start ( Marker, Message ) ;
- vsprintf ( Buffer, Message, Marker ) ;
- va_end ( Marker ) ;
-
- /***************************************************************************
- * Write the message to the log file. *
- ***************************************************************************/
-
- ULONG Written ;
-
- DosWrite ( Handle, Buffer, strlen(Buffer), &Written ) ;
-
- /***************************************************************************
- * Close the log file and return. *
- ***************************************************************************/
-
- DosClose ( Handle ) ;
- }
-
- /****************************************************************************
- * *
- * Open Timer for Use *
- * *
- ****************************************************************************/
-
- extern BOOL OpenTimer ( VOID )
- {
- ULONG Action ;
-
- if ( Timer )
- DosClose ( Timer ) ;
-
- if ( DosOpen ( (PSZ)"TIMER$", &Timer, &Action, 0, FILE_NORMAL, FILE_OPEN, OPEN_SHARE_DENYNONE, 0 ) )
- {
- return ( FALSE ) ;
- }
-
- return ( TRUE ) ;
- }
-
- /****************************************************************************
- * *
- * Close Timer *
- * *
- ****************************************************************************/
-
- extern VOID CloseTimer ( VOID )
- {
- DosClose ( Timer ) ;
- }
-
- /****************************************************************************
- * *
- * Read Time from HRTIMER.SYS *
- * *
- ****************************************************************************/
-
- extern BOOL GetTime ( PTIMESTAMP pts )
- {
- ULONG ByteCount ;
-
- if ( DosRead ( Timer, pts, sizeof(*pts), &ByteCount ) )
- return ( FALSE ) ;
-
- return ( TRUE ) ;
- }
-
- /****************************************************************************
- * *
- * Calculate Elapsed Time *
- * *
- ****************************************************************************/
-
- extern ULONG ElapsedTime ( PTIMESTAMP ptsStart, PTIMESTAMP ptsStop, PULONG pulNs )
- {
- ULONG ulMsecs, ulNsecs;
- TIMESTAMP tsStart, tsStop ;
-
- tsStart = *ptsStart ; // De-reference timestamp
- // structures for speed
- tsStop = *ptsStop ;
-
- ulMsecs = tsStop.ulMs - tsStart.ulMs ; // Elapsed milliseconds
-
- if( tsStart.ulNs > tsStop.ulNs ) // If nanosecond overflow ...
- {
- ulNsecs = (1000000 + tsStop.ulNs) - tsStart.ulNs; // Adjust nanoseconds
- ulMsecs--; // Adjust milliseconds
- }
- else
- ulNsecs = tsStop.ulNs - tsStart.ulNs ; // No overflow..Elapsed nanos
-
- *pulNs = ulNsecs ;
-
- return ( ulMsecs ) ;
- }
-
- /****************************************************************************
- * *
- * Allocate Memory *
- * *
- ****************************************************************************/
-
- //#define ALLOCATE_THROUGH_DOS
-
- extern PVOID AllocateMemory ( ULONG ByteCount )
- {
- #ifdef ALLOCATE_THROUGH_DOS
- {
- PVOID Memory ;
- DosAllocMem ( &Memory, ByteCount, PAG_READ | PAG_WRITE | PAG_COMMIT ) ;
- return ( Memory ) ;
- }
- #else
- {
- return ( malloc ( ByteCount ) ) ;
- }
- #endif
- }
-
- /****************************************************************************
- * *
- * Free Memory *
- * *
- ****************************************************************************/
-
- extern VOID FreeMemory ( PVOID Memory )
- {
- #ifdef ALLOCATE_THROUGH_DOS
- {
- DosFreeMem ( Memory ) ;
- }
- #else
- {
- free ( Memory ) ;
- }
- #endif
- }
-