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152 lines
3.1 KiB
152 lines
3.1 KiB
/*** debug.c - Debug functions
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*
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* This module contains all the debug functions.
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*
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* Copyright (c) 1996,1997 Microsoft Corporation
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* Author: Michael Tsang (MikeTs)
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* Created 09/07/96
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*
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* MODIFICATION HISTORY
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*/
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#include "pch.h"
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#include <stdarg.h> //for va_*
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#ifdef TRACING
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#define TRACEFILE_NAME "tracelog.txt"
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FILE *gpfileTrace = NULL;
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PSZ gpszTraceFile = NULL;
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int giTraceLevel = 0;
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int giIndent = 0;
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/***LP OpenTrace - Initialize tracing
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*
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* This function opens the device that the trace output will go to.
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* It will first try the caller's filename, or else the default filenmae.
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*
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* ENTRY
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* pszTraceOut -> output device name
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*
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* EXIT
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* None
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*/
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VOID LOCAL OpenTrace(char *pszTraceOut)
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{
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if ((gpfileTrace == NULL) && (giTraceLevel > 0))
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{
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if ((pszTraceOut == NULL) ||
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((gpfileTrace = fopen(pszTraceOut, "w")) == NULL))
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{
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gpfileTrace = fopen(TRACEFILE_NAME, "w");
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}
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}
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} //OpenTrace
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/***LP CloseTrace - Finish tracing
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*
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* This function close the device that the trace output will go to.
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*
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* ENTRY
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* None
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*
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* EXIT
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* None
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*/
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VOID LOCAL CloseTrace(VOID)
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{
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if (gpfileTrace != NULL)
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{
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fclose(gpfileTrace);
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gpfileTrace = NULL;
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}
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giTraceLevel = 0;
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} //CloseTrace
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/***LP EnterProc - Entering a procedure
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*
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* ENTRY
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* n - trace level of this procedure
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* pszFormat -> format string
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* ... - variable arguments according to format string
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*
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* EXIT
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* None
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*/
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VOID CDECL EnterProc(int n, char *pszFormat, ...)
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{
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int i;
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va_list marker;
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if (n <= giTraceLevel)
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{
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if (gpfileTrace != NULL)
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{
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fprintf(gpfileTrace, "%s:", MODNAME);
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for (i = 0; i < giIndent; ++i)
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fprintf(gpfileTrace, "| ");
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va_start(marker, pszFormat);
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vfprintf(gpfileTrace, pszFormat, marker);
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fflush(gpfileTrace);
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va_end(marker);
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}
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++giIndent;
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}
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} //EnterProc
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/***LP ExitProc - Exiting a procedure
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*
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* ENTRY
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* n - trace level of this procedure
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* pszFormat -> format string
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* ... - variable arguments according to format string
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*
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* EXIT
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* None
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*/
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VOID CDECL ExitProc(int n, char *pszFormat, ...)
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{
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int i;
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va_list marker;
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if (n <= giTraceLevel)
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{
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--giIndent;
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if (gpfileTrace != NULL)
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{
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fprintf(gpfileTrace, "%s:", MODNAME);
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for (i = 0; i < giIndent; ++i)
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fprintf(gpfileTrace, "| ");
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va_start(marker, pszFormat);
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vfprintf(gpfileTrace, pszFormat, marker);
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fflush(gpfileTrace);
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va_end(marker);
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}
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}
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} //ExitProc
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#endif //ifdef TRACING
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/***LP ErrPrintf - Print to stderr
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*
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* ENTRY
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* pszFormat -> format string
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* ... - variable arguments according to format string
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*
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* EXIT
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* None
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*/
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VOID CDECL ErrPrintf(char *pszFormat, ...)
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{
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va_list marker;
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va_start(marker, pszFormat);
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vfprintf(stdout, pszFormat, marker);
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va_end(marker);
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} //ErrPrintf
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