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154 lines
3.8 KiB
154 lines
3.8 KiB
/*++
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Copyright (c) 1988-1999 Microsoft Corporation
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Module Name:
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cdebug.c
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Abstract:
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Internal debugging support
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--*/
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#include "cmd.h"
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#if CMD_DEBUG_ENABLE
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/*** MSDOS Ver 4.0 Command Interpreter Part 20 of 22 CDEBUG.C
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*
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* This file contains all of the C routines in Command's debugging
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* package.
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*
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* The printing of debugging messages can be sectionally enabled at
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* runtime through the first 2 arguments passed to this program. The
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* first one controls the groups to enable and the second one controls
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* the level of detail in the groups to enable. (Numbers are in hex.)
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*
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* Group Level Meaning
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* ===========================================================
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* 0001 Main Command Loop Code (Main & Dispatch)
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* 0001 Main function
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* 0002 Dispatch function
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* 0002 Command Initialization
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* 0001 Argument checking
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* 0002 Environment initialization
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* 0004 Rest of initialization
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* 0004 Parser
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* 0001 Parsing
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* 0002 Lexing
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* 0004 Input routine
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* 0008 Dump parse tree to stdin
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* 0010 Byte input routine
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* 0008 Operators
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* 0001 Pipe level
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* 0002 Detach level
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* 0004 Other operators level
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* 0010 Path Commands
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* 0001 Mkdir level
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* 0002 Chdir level
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* 0004 Rmdir level
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* 0020 File Commands
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* 0001 Copy level
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* 0002 Delete level
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* 0004 Rename level
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* 0040 Informational Commands
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* 0001 Directory level
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* 0002 Type level
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* 0004 Version level
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* 0008 Volume level
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* 0016 Priv level
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* 0032 Console Level
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* 0064 Dislplay Level
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* 0080 Environment Commands
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* 0001 Path level
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* 0002 Prompt level
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* 0004 Set level
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* 0008 Other envirnment functions
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* 0010 Environment scanning for external commands
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* 0100 Batch Processor
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* 0001 Batch processor
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* 0002 FOR processor
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* 0004 IF processor
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* 0008 Other batch commands
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* 0200 External Command Execution
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* 0001 External commands level
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* 0400 Other Commands
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* 0001 Break command
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* 0002 Cls command
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* 0004 Ctty command
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* 0008 Exit command
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* 0010 Verify command
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* 0800 Signal Handler
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* 0001 Main Signal handler level
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* 0002 Init Signal handler level
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* 1000 Memory Manager
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* 0001 Memory allocators
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* 0002 List managers
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* 0004 Segment manipulators
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* 2000 Common command tools
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* 1000 ScanFSpec level
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* 2000 SetFSSetAndSaveDir() level
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* 4000 TokStr() level
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* 8000 FullPath level
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* 4000 Clock manipulators
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* 0001 Date command level
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* 0002 Time command level
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*
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*
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* None of the debugging code is included in the program if the
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* value DBG is defined.
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*
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*
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* Eric K. Evans, Microsoft
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*/
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/*** Modification History
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*
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*/
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extern unsigned DebGroup ;
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extern unsigned DebLevel ;
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/*** Deb - conditionally print debugging messages
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*
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* Deb(MsgGroup, MsgLevel, msg, arg0, arg1, arg2, arg3, arg4)
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*
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* Args:
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* MsgGroup - The group of the message that wants to be printed.
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* MsgLevel - The level of the message that wants to be printed.
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* msg - A printf style message string.
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* arg0-4 - The other args to be printed.
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*
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*/
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void
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Deb(ULONG MsgGroup, ULONG MsgLevel, CHAR *msg, ...)
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{
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CHAR Buffer[ 512 ];
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va_list args;
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CHAR *pch = Buffer;
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int cb;
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va_start( args, msg );
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cb = _vsnprintf( Buffer, 512, msg, args );
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va_end( args );
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if (cb > 512)
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fprintf(stderr, "Debug output buffer length exceeded - crash imminent\n");
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Buffer[511] = '\0'; // null-terminate the buffer in case the _vsnprintf filled the buffer
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while (*pch) {
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if (*pch == '\n' || *pch == '\r')
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*pch = '#';
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pch++;
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}
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if ((MsgGroup & DebGroup) && (MsgLevel & DebLevel)) {
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OutputDebugStringA(Buffer);
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OutputDebugStringA("\n");
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}
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}
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#endif // DBG
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