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  • Knuth Konrad
    replied
    Yepp. Even Windows Explorer falls for that trick/behaviour. If Windows considers some process to have the folder in question to as its "current folder", an Access/Permission Denied error is raised.

    I've seen this quite a lot, even in this forum, that for whatever reason programmer's CHDIR around. Not sure why this is (still) considered to be necessary at all. Might have been a necessarity back in the DOS days ...

    Leave a comment:


  • John Petty
    replied
    If the folder is the default data folder for the exe at the time then the exe itself has the folder open so error 70 and it can't delete it. Simply CHDIR to some other folder first.

    Leave a comment:


  • Bob Carver
    replied
    Process Monitor will get you OS fail information on any operation to do with the Registry, Files and/or Directories without having to change the code of the app.

    Leave a comment:


  • Michael Mattias
    replied
    Encountered exactly the same problem with Error 70 using..
    Code not shown (one of the programs posted this thread?).

    That said, . PB error 70 can occur for many different reasons, but PB lumps them all together into ERR_:PERMISSIONDENIED. You might try using Win API functions with GetLastError() to pinpoint exactly what problem the O/S may have had deleting the directory.

    MCM


    Leave a comment:


  • Peter Simmonds
    replied
    A very late update.....

    Encountered exactly the same problem with Error 70 using Windows 7 and PB10.3. The following solutions were tried :

    a) No effect of using DIR$ CLOSE after the DIR$ function was used to locate and delete files within the directory

    b) Ensuring that all hidden etc. files and sub-folders were removed from the sub-directory

    c) Checked and the (empty) directory had the file attribute 16 so definitely was not read only.

    d) The directory was located in an area on the C Drive that the program is able to modify:
    C:\Users\<UserName>\AddData\Roaming\<Program_name>\<directory>

    e) The problem only seemed to arise if the directory had been accessed by an external program prior to the PB10 program trying to delete it (which seems odd but may be something to do with directory ownership).

    f) The path length was about 60 characters long (so under the 132 size limit mentioned elsewhere)

    g) No effect of converting the directory name to a short path name.

    The solution seems to be in my case to run CHDIR to an irrelevant directory immediately before the RMDIR statement. Tested in a few situations and seems to completely eliminate the problem.


    Last edited by Peter Simmonds; 12 Apr 2017, 07:12 AM. Reason: Forgot to add some information

    Leave a comment:


  • Scott Turchin
    replied
    I have the same issue in my CCSBatch program, I've found I think that changing to the drive helps..


    Michael - Outstanding piece of code, I've used that API in the past - but on XP it's still a crapshoot whether XP removes it or not, hence if you look in c:\Documents and Settings\{username}\Local Settings\Temp you'll see in a lot of cases they don't get removed....I suspect it's an XP thing (?).

    I always set TMP and TEMP to C:\TmpFiles but inevitably have to clean it out once in a while...

    Leave a comment:


  • Cliff Nichols
    replied
    Works fine in Vista.
    But random in XP

    I am not 100% yet, but the back of my mind, I seem to remember that creating or deleting files across drives, both physical and virtual (aka a partitioned drive) is a no, no....but I am sure its in the docs somewhere.

    In your case since the drive assumed the root C: this would come into play depending on where the program was run from.

    I was able to replicate (sometimes) your error 70 which by the way according to the docs
    Permission denied - (%ERR_PERMISSIONDENIED) - You tried to write to a write-protected disk. This error can also be generated as a result of network permission errors, such as accessing a locked file, or a locked record. It can also occur when attempting to open a subdirectory as a file.
    Now the squirrely part....XP randomly may create, but not destroy...or vice versa, and Vista seems to work, but only if I specify a drive.

    Give me a bit and I will see if I can catch what is happening.

    For others checking, here is the code I was using for testing...(including my own errorhandler)

    Original code with ErrorHandler added
    Code:
    #COMPILE EXE
    #DIM ALL
    
    $WorkDir           =  "\RMVTEST\"
    $BaseFileName      =  "MyBase_"
    $FileExtension     =  ".dat"
    %Buf512K           = 524288
    
    %USEMACROS = 1
    #INCLUDE "win32api.inc"
    #INCLUDE "ErrorHandling.inc"
    #INCLUDE "CommCtrl.inc"
    
    GLOBAL hDlg AS DWORD
    
    FUNCTION CheckDrive()AS LONG
       TraceVariables
       StartTrace
       LOCAL drive     AS STRING
       LOCAL FilesStr  AS STRING
       LOCAL rslt      AS LONG
    
    '   drive = "C:"
    
       FilesStr = drive & $WorkDir & $BaseFileName & "*" & $FileExtension
    
       MKDIR drive & $WorkDir
    '   If ErrClear Then MsgBox "Error Making Directory"
       OPEN drive & $WorkDir & $BaseFileName & "01234" & $FileExtension FOR OUTPUT AS 1
       PRINT# 1, "This is a test file for this routine!"
       CLOSE 1
    '   If ErrClear Then MsgBox "Error Making File"
    
       rslt = LEN(DIR$(drive & $WorkDir & "NUL"))
    
       IF rslt THEN  ' scrub folder exists!  See if there are files in it
          rslt = LEN(DIR$(FilesStr))
          IF rslt THEN
             IF MessageBox(hDlg, "Folder w/ File Exists, Remove it?", _
                           "Drive " & drive, %MB_YESNO OR %MB_ICONQUESTION) = %IDYES THEN
    '            ErrClear
                KILL FilesStr       ' Delete any files we created
    '            ErrClear
                RMDIR drive & $WorkDir
    '            If Err Then
    '               MessageBox hDlg, "Error " & Format$(Err) & " attempting to remove folder!", "Could Not Remove " + drive & $WorkDir, 16
    '               ErrClear
    '            End If
             END IF
          END IF
       END IF
        EndTrace
         TraceUnHandled
    END FUNCTION
    
    FUNCTION PBMAIN () AS LONG
        CheckDrive
    END FUNCTION
    ErrorHandler.inc
    Code:
    '*** ErrorHandling.inc
    '***      Written by: Cliff Nichols - 08-28-2008
    '***      Modified by: Cliff Nichols - 09-18-2008
    '***      Compiler: 8.04/9.0
    '***      Should work on: 7/8/9
    '***      Tested on: XP-Pro SP3, Vista-Ultimate
    '***      Should work on: 95/98/ME/NT/2K/XP/Vista
    '***      Purpose - Beefed up Error Handling Routines to attempt to "Bullet-Proof" apps
    '*** Usage:
    '***      StartTrace - Create a Trace log file
    '***      TraceVariables - Common Variables for each function
    '***
    '***      TraceUnhandled - Steps for anything that you did not think of when writing and testing your code
    '--------------------------------------------------------------------------------
    '*** Now for the FUN Stuff
    '***      PB has 'On Error' for handling errors on the DDT side
    '***           PB can raise an error just by ERR = some number
    '***      Windows has 'GetLastError' to check any errors via SDK
    '***           Windows has to check for errors and handle them (errors are not raised)
    '***      Windows has "Exceptions" (You've seen them...the default usually shows the typical "*.exe has encountered a problem and needs to close" message)
    '***           Windows "Exceptions" can be raised, but default handler is typically fatal, but you can override that fatality
    '*** I REALLLLLLY want to know how to do the below without visibly inserting numbers but.....
    '***      PB Line numbers (if inserted) can assist in locating where an error occured (larger projects its smarter to contain line numbers to their functions)
    '***      PB FUNCNAME$ in conjunction with the line numbers can nail down what line the error occured on
    '***           Conjunction, junction, whats your function??? :-)
    '*** What makes it all work????
    '*** MACRO's baby, yeah baby yeah...(Finally got this one when larger code all had the same multiple commands and got tedious to type or copy/paste)
    '*** Globals.....Real Men don't need no stinkin Globals :-) (Finally got this one working deep with Windows API...See "Parameter as Reply" discussion)
    '--------------------------------------------------------------------------------
    
    '*** If not already declared in your code, then declare this INC
    #IF NOT %DEF(%ERRORHANDLING)
         %ERRORHANDLING = 1
    '*** Globals
    '***      NONE
    '***           - Use SetGetDebugTraceRunning to keep value in replacement for a global DebugTraceRunning
    '***           - Use SetGetLastFunction to keep value in replacement for a global LastFunction
    '*** Constants
         %UNKNOWN_VALUE = -1
    '*** Constants not found in Win32Api.Inc
         %EXCEPTION_ILLEGAL_INSTRUCTION  = &HC000001D
         %EXCEPTION_STACK_OVERFLOW       = &HC00000FD
    '*************************************************************************************************************
    '*** Macro's - When Compiled, replace the name of the macro with all the functions and processes in the macro
    '***           As if you had done it yourself in each and every SUB/FUNCTION it was called
    '***           Do not add line numbers to Macro's unless you want to renumber functions that use the macros
    '*************************************************************************************************************
    '*** TraceUnhandled
    '***      Macro to replace code at the end of each function being being debugged
    '***           Code will jump to end ON ERROR or if told to jump to end
    '***           Code relies on TraceVariables to compile
    '*************************************************************************************************************
         MACRO TraceUnhandled
              EXIT FUNCTION                                               'Exit to not Execute Function code again
         ErrHandler:
              ErrFunc = GetLastError                                      'Get API Last Error
              TraceLastError FUNCNAME$, ErrFunc, ERR, ERL
              SetUnhandledExceptionFilter %NULL
         END MACRO
    '*************************************************************************************************************
    '*** TraceVariables
    '***      Macro to replace code at the begginning of each function being being debugged
    '***           Code sets up variables to jump to end ON ERROR or if told to jump to end
    '***           Code relies on TraceUnhandled to compile
    '*************************************************************************************************************
         MACRO TraceVariables
              ON ERROR GOTO ErrHandler                                    'Avoid using error numbers higher than 240, as they are reserved for use in critical error situations which can never be trapped with ON ERROR.
              LOCAL DebugTraceRunning AS LONG                             'Variable for if debugging
              LOCAL LastErrorValue AS LONG                                'Variable for GetLastError
              LOCAL PbErrorValue AS LONG                                  'Variable for PB ERR
              LOCAL ErrorLineNumber AS LONG                               'Variable for line number where the error occured (or the last checked line)
              LOCAL ErrFunc AS LONG                                       'Variable for if there was an error in the function
              LOCAL ErrorBuff AS ASCIIZ * %MAX_PATH                       'Variable for Win32Api Error Description
              LOCAL WhatToTrace AS STRING                                 'Variable for what to log for an error
              SetLastError(0)                                             'Ensure the last Windows error is cleared
              ERRCLEAR                                                    'Ensure the last PB error is cleared
    '          SetUnhandledExceptionFilter %EXCEPTION_EXECUTE_HANDLER      '<--- Use this exception handler if wanting to use windows default (the typical "*.exe has encountered a problem and needs to close" message)
              SetUnhandledExceptionFilter CODEPTR (TraceExceptionHandler) '<--- Use this exception handler if wanting to make a better crash-proof program
         END MACRO
    '*************************************************************************************************************
    '*** TraceOn
    '***      Macro to replace code that would be blindly TRACE ON
    '***           Code only turns the trace on if debugging
    '***           Leaving a function will turn TRACE OFF by default (although I like to purposely call it to clean up after myself)
    '*************************************************************************************************************
         MACRO TraceOn
              ErrFunc = SetGetDebugTraceRunning(%UNKNOWN_VALUE, DebugTraceRunning, %UNKNOWN_VALUE)      '<---Find out if debugging or not
              SELECT CASE DebugTraceRunning
                   CASE 0                                                 'Not running a trace
                   CASE ELSE
                        TRACE ON                                          'Turn on trace if debugging
              END SELECT
         END MACRO
    '*************************************************************************************************************
    '*** TraceOff
    '***      Macro to replace code that would be default TRACE OFF
    '***           Code only turns the trace off if debugging
    '***           Leaving a function will turn TRACE OFF by default (although I like to purposely call it to clean up after myself)
    '*************************************************************************************************************
         MACRO TraceOff                                                   '<--- Not needed if exiting function but I am a stickler
              ErrFunc = SetGetDebugTraceRunning(%UNKNOWN_VALUE, DebugTraceRunning, %UNKNOWN_VALUE)
              SELECT CASE DebugTraceRunning
                   CASE 0                                                 'Not running a trace
                   CASE ELSE
                        TRACE OFF                                         'Turn off trace if debugging
              END SELECT
         END MACRO
    '*************************************************************************************************************
    '*** LastErrorCheck
    '***      Macro to replace code that would be multiple lines for Win32Api GetLastError
    '***           Code only traces if debugging
    '***           TraceLastError will decide if a Windows or a PB Error and log accordingly
    '*************************************************************************************************************
         MACRO LastErrorCheck
              ErrFunc = GetLastError                                      'Get API Last Error
              TraceLastError FUNCNAME$, ErrFunc, ERR, ERL                 'Pass all known info to the function for logging
         END MACRO
    '*************************************************************************************************************
    '*** NOW FOR THE STANDARD INC SETUP
    '*************************************************************************************************************
    '*** Declares:
         DECLARE FUNCTION SetGetDebugTraceRunning(ValueToSet AS LONG, ValueResults AS LONG, ResetValue AS LONG) AS LONG
         DECLARE FUNCTION SetGetLastFunction(ValueToSet AS STRING, ValueResults AS STRING, ResetValue AS LONG) AS LONG
         DECLARE FUNCTION SetGetOverRideError(ValueToSet AS LONG, ValueResults AS LONG, ResetValue AS LONG) AS LONG
         DECLARE FUNCTION StartTrace() AS LONG
         DECLARE FUNCTION EndTrace() AS LONG
         DECLARE FUNCTION TraceProgramName(ParentAppName AS ASCIIZ * %MAX_PATH) AS LONG
         DECLARE FUNCTION TraceLastError(FunctionName AS STRING, LastErrorValue AS LONG, PbErrorValue AS LONG, ErrorLineNumber AS LONG) AS LONG
         DECLARE FUNCTION TracePrint(WhatToTrace AS STRING) AS LONG
         DECLARE FUNCTION TraceExceptionHandler(BYREF lpEP AS EXCEPTION_POINTERS) AS LONG
    '*** Dependant Inc Files:
    '***      None
    '*** Functions:
    '***      SetGetDebugTraceRunning Replaces the need for global variables so that local variables in other functions are easier to read
         FUNCTION SetGetDebugTraceRunning(ValueToSet AS LONG, ValueResults AS LONG, ResetValue AS LONG) AS LONG
    1         TraceVariables                                              'Macro for Declaring variables for error checking
    2         STATIC FunctionValue AS LONG                                'Static to hold current value
    3         SELECT CASE ResetValue                                      'Decide whether to Set or to Get the current value
    4              CASE %False, %UNKNOWN_VALUE                            'If set to False, or -1 Then Get Current Value
    5                   ValueResults = FunctionValue                      'Return Results as a parameter
    6              CASE = %TRUE                                           'If set to True then Reset the Current Value
    7                   FunctionValue = ValueToSet                        'Reset the value
    8                   ValueResults = FunctionValue                      'Return Results as a parameter
    9         END SELECT
    10        FUNCTION = %False                                           'Return if Function Failed
    11        TraceUnhandled                                              'Exit Function or handle unhandled errors
         END FUNCTION
    '*** SetGetLastFunction Replaces the need for global variables so that local variables in other functions are easier to read
         FUNCTION SetGetLastFunction(ValueToSet AS STRING, ValueResults AS STRING, ResetValue AS LONG) AS LONG
    1         TraceVariables                                              'Macro for Declaring variables for error checking
    2         STATIC FunctionValue AS STRING                              'Static to hold current value
    3         SELECT CASE ResetValue                                      'Decide whether to Set or to Get the current value
    4              CASE %False, %UNKNOWN_VALUE                            'If set to False, or -1 Then Get Current Value
    5                   ValueResults = FunctionValue                      'Return Results as a parameter
    6              CASE = %TRUE                                           'If set to True then Reset the Current Value
    7                   FunctionValue = ValueToSet                        'Reset the value
    8                   ValueResults = FunctionValue                      'Return Results as a parameter
    9         END SELECT
    10        FUNCTION = %False                                           'Return if Function Failed
    11        TraceUnhandled                                              'Exit Function or handle unhandled errors
         END FUNCTION
    '*** SetGetOverRideError Replaces the need for global variables so that local variables in other functions are easier to read
         FUNCTION SetGetOverRideError(ValueToSet AS LONG, ValueResults AS LONG, ResetValue AS LONG) AS LONG
    1         TraceVariables                                              'Macro for Declaring variables for error checking
    2         STATIC FunctionValue AS LONG                              'Static to hold current value
    3         SELECT CASE ResetValue                                      'Decide whether to Set or to Get the current value
    4              CASE %False, %UNKNOWN_VALUE                            'If set to False, or -1 Then Get Current Value
    5                   ValueResults = FunctionValue                      'Return Results as a parameter
    6              CASE = %TRUE                                           'If set to True then Reset the Current Value
    7                   FunctionValue = ValueToSet                        'Reset the value
    8                   ValueResults = FunctionValue                      'Return Results as a parameter
    9         END SELECT
    10        FUNCTION = %False                                           'Return if Function Failed
    11        TraceUnhandled                                              'Exit Function or handle unhandled errors
         END FUNCTION
    '*** Start Tracing
         FUNCTION StartTrace() AS LONG
    1         TraceVariables                                              'Macro for Declaring variables for error checking
    2         LOCAL TraceLogName AS ASCIIZ * %MAX_PATH
    3         ErrFunc = TraceProgramName(TraceLogName)                    'Get a trace log name
    4         SELECT CASE ErrFunc                                         'If no error creating the log
    5              CASE %FALSE
    6                   DebugTraceRunning = %TRUE                         'Set variable for if tracing
    7                   TRACE NEW TraceLogName                            'Create the log
    8              CASE ELSE                                              'Some Error Occurred
    9         END SELECT
    10        ErrFunc = SetGetDebugTraceRunning(%TRUE, DebugTraceRunning, %TRUE)    'Set the flag that we are tracing
    11        TraceUnHandled                                              'Macro for Local Variables and Unhandled Errors
         END FUNCTION
    '*** End Tracing
         FUNCTION EndTrace() AS LONG
    1          TraceVariables                                             'Macro for common variables
    2          LOCAL TraceLogName AS ASCIIZ * %MAX_PATH
    3          ErrFunc = TraceProgramName(TraceLogName)                   'Get a trace log name
    4          SELECT CASE ErrFunc                                        'If the trace log name exists (no error) then
    5               CASE %FALSE
    6                    DebugTraceRunning = %FALSE
    7                    TRACE CLOSE                                      'Close Trace File
    8               CASE ELSE                                             'Some Error Occurred
    9          END SELECT
    10          ErrFunc = SetGetDebugTraceRunning(%FALSE, DebugTraceRunning, %TRUE)      'Set the flag for we are no longer tracing
    11          TraceUnHandled                                            'Macro for Local Variables and Unhandled Errors
         END FUNCTION
    '*** Set up a log file name
         FUNCTION TraceProgramName(ParentAppName AS ASCIIZ * %MAX_PATH) AS LONG
    1          LOCAL ErrFunc AS LONG
    2          ErrFunc = GetModuleFileName(GetModuleHandle(BYVAL %NULL), ParentAppName, %MAX_PATH)       'Returns current path to owning parent
    3          ParentAppName = MID$(ParentAppName, 1, INSTR(ParentAppName, ".exe") - 1)  'Strip all but the parent '.exe' part
    4          ParentAppName = ParentAppName + " - Error Log.log"          'Append string to show an error log
    5          SELECT CASE ErrFunc
    6               CASE 0                                                 'Function Failed
    7                    FUNCTION = ErrFunc
    8               CASE ELSE                                              'Function Passed
    9                    FUNCTION = %False
    10          END SELECT
         END FUNCTION
    '*** Trace Last Error (if any)
         FUNCTION TraceLastError(FunctionName AS STRING, LastErrorValue AS LONG, PbErrorValue AS LONG, ErrorLineNumber AS LONG) AS LONG
              LOCAL LastError AS LONG
              LOCAL WhatToTrace AS STRING
              LOCAL ErrFunc AS LONG
              LOCAL DebugTraceRunning AS LONG
              LOCAL ErrorBuff AS ASCIIZ * %MAX_PATH
    
              ERR = PbErrorValue                                          'PB Clears ERR at the end of functions so to preserve it I reset it
              SELECT CASE ERR                                             'Is it a PB Error?
                   CASE 0                                                 'Not a PB Error
                        FormatMessage %FORMAT_MESSAGE_FROM_SYSTEM, BYVAL %NULL, LastErrorValue, %NULL, ErrorBuff, SIZEOF(ErrorBuff), BYVAL %NULL     'Format the message
                        WhatToTrace = $TAB + "Unhandled WindowsError - " + STR$(LastErrorValue) + " - " + ErrorBuff + $CRLF + $TAB + " Function = " + FunctionName + " at line: " + STR$(ErrorLineNumber)
                   CASE ELSE                                              'PB Error
                        LastError = ERR
                        WhatToTrace = WhatToTrace + $CRLF + $TAB + "Unhandled PbError # " + STR$(ERR) + " - " + ERROR$ + $CRLF + $TAB + " Function = " + FunctionName + " at line: " + STR$(ErrorLineNumber)    '<--- ERL not quite working at this time
                        SELECT CASE LastError
                             CASE 0, %ERR_NOERROR                         'No Error
                             CASE 5, %ERR_ILLEGALFUNCTIONCALL             'Illegal function call
                             CASE 6, %ERR_OVERFLOW                        'Overflow                '<---This error is not currently supported.
                             CASE 7, %ERR_OUTOFMEMORY                     'Out of Memory
                             CASE 9, %ERR_SUBSCRIPTPOINTEROUTOFRANGE      'Subscript / Pointer out of range
                             CASE 11, %ERR_DIVISIONBYZERO                 'Division by zero         '<---This error is not currently supported.
                             CASE 24, %ERR_DEVICETIMEOUT                  'Device TimeOut for UDP or TCP communications
                             CASE 51, %ERR_INTERNALERROR                  'Internal Error
                             CASE 52, %ERR_BADFILENAMEORNUMBER            'Bad File Name or Number '<--- Also used for Serial Port Errors
                             CASE 53, %ERR_FILENOTFOUND                   'File not found
                             CASE 54, %ERR_BADFILEMODE                    'Bad File Mode
                             CASE 55, %ERR_FILEISOPEN                     'File is already open    '<--- Also used for Serial Port Errors
                             CASE 57, %ERR_DEVICEIOERROR                  'Device I/O Error        'Serial Port, TCP, UDP
                             CASE 58, %ERR_FILEALREADYEXISTS              'File already exists
                             CASE 61, %ERR_DISKFULL                       'Disk full
                             CASE 62, %ERR_INPUTPASTEND                   'Input past end
                             CASE 63, %ERR_BADRECORDNUMBER                'Bad record number
                             CASE 64, %ERR_BADFILENAME                    'Bad file name
                             CASE 67, %ERR_TOOMANYFILES                   'Too many files
                             CASE 68, %ERR_DEVICEUNAVAILABLE              'Device unavailable
                             CASE 69, %ERR_COMMERROR                      'COMM Error         '<---Serial Port Error
                             CASE 70, %ERR_PERMISSIONDENIED               'Permission Denied
                             CASE 71, %ERR_DISKNOTREADY                   'Disk not ready
                             CASE 72, %ERR_DISKMEDIAERROR                 'Disk media error
                             CASE 74, %ERR_RENAMEACROSSDISKS              'Rename across disks
                             CASE 75, %ERR_PATHFILEACCESSERROR            'Path/File access error
                             CASE 76, %ERR_PATHNOTFOUND                   'Path not found
                             CASE 99, %ERR_OBJECTERROR                    'Object error
                             CASE 241, %ERR_GLOBALMEMORYCORRUPT           'Global Memory Corrupt
                             CASE 242, %ERR_STRINGSPACECORRUPT            'String space corrupt
                             CASE ELSE                                    'Either a 'Compile-Time' error (handled by PB) or Unknown what to do so just exit the function
                        END SELECT
              END SELECT
              TraceOn                                                     'If debugging then trace
              TracePrint WhatToTrace                                      'If debugging then trace what?
         END FUNCTION
    '*** Print to trace file if debugging
         FUNCTION TracePrint(WhatToPrint AS STRING) AS LONG
    1         TraceVariables                                              'Macro for common variables
    2         ErrFunc = SetGetDebugTraceRunning(%UNKNOWN_VALUE, DebugTraceRunning, %UNKNOWN_VALUE)      'Check if Debugging
    3         SELECT CASE DebugTraceRunning
    4              CASE 0                                                 'Not running a trace
    5                   FUNCTION = DebugTraceRunning
    6              CASE ELSE
                        TRACE ON
    7                   TRACE PRINT WhatToPrint + $CRLF                   '<--- Chose string since I do not know what is to be printed + $CRLF for log file
    8                   FUNCTION = %FALSE
    9         END SELECT
    10        TraceUnHandled                                              'Macro for Local Variables and Unhandled Errors
         END FUNCTION
    '--------------------------------------------------------------------------------
    '*** Now for the DOOZYYYYyyyy....Handling GPF's and other major fatal errors
    '*** Commented fields are ones that I have no value for (yet) but MSDN say they exist
    '--------------------------------------------------------------------------------
         FUNCTION TraceExceptionHandler(BYREF lpEP AS EXCEPTION_POINTERS) AS LONG
              STATIC TerminateInProcess AS LONG
              LOCAL ErrorRecord AS EXCEPTION_RECORD POINTER
              LOCAL ErrorCode AS LONG POINTER
              LOCAL WhatToTrace AS STRING
              LOCAL i AS LONG                                                  'For homing in on where the exception occurred
              LOCAL CallStackFunctions AS STRING                               'For homing in on where the exception occurred
              SELECT CASE TerminateInProcess                              'If Unloading due to error let the OS handle it.
                   CASE %TRUE
                        SetUnhandledExceptionFilter %EXCEPTION_EXECUTE_HANDLER 'Reactivate default Error Handler
                        RaiseException %NULL, %NULL, %NULL, %NULL              'Force normal Error Handler
    '*** Exit the thread (and application if this is the only thread)
                        ExitThread 0
                   CASE %FALSE
                        TerminateInProcess = %TRUE
                        ErrorRecord = lpEP.pExceptionRecord                    'Detect the actual exception record
                        DO UNTIL @ErrorRecord.pExceptionRecord = 0             'Gather the exception record(s)
                             CALL MoveMemory(@ErrorRecord, @ErrorRecord.pExceptionRecord, SIZEOF(ErrorRecord))
                        LOOP
                        ErrorCode   = @ErrorRecord.ExceptionCode
    '*** Now we have in ErrorCode the ExceptionCode, that raised the crash, log the info
                        SELECT CASE ErrorCode
                             CASE %EXCEPTION_ACCESS_VIOLATION
                                  WhatToTrace =   "ACCESS VIOLATION" + " <---> " + "The thread tried to read from or write to a virtual address for which it does not have the appropriate access"
                             CASE %EXCEPTION_ARRAY_BOUNDS_EXCEEDED
                                  WhatToTrace =   "ARRAY BOUNDS EXCEEDED" + " <---> " + "The thread tried to access an array element that is out of bounds and the underlying hardware supports bounds checking."
                             CASE %EXCEPTION_BREAKPOINT
                                  WhatToTrace = "BREAKPOINT" + " <---> " + "A breakpoint was encountered."
                             CASE %EXCEPTION_DATATYPE_MISALIGNMENT
                                  WhatToTrace =   "DATATYPE MISALIGNMENT" + " <---> " + "The thread tried to read or write data that is misaligned on hardware that does not provide alignment. For example, 16-bit values must be aligned on 2-byte boundaries"
                             CASE %EXCEPTION_FLT_DENORMAL_OPERAND
                                  WhatToTrace =  "FLOAT DENORMAL OPERAND" + " <---> " + "One of the operands in a floating-point operation is denormal. A denormal value is one that is too small to represent as a standard floating-point value."
                             CASE %EXCEPTION_FLT_DIVIDE_BY_ZERO
                                  WhatToTrace =  "FLOAT DIVISION BY ZERO" + " <---> " + "The thread tried to divide a floating-point value by a floating-point divisor of zero."
                             CASE %EXCEPTION_FLT_INEXACT_RESULT
                                  WhatToTrace =  "FLOAT INEXACT RESULT" + " <---> " + "The result of a floating-point operation cannot be represented exactly as a decimal fraction."
                             CASE %EXCEPTION_FLT_INVALID_OPERATION
                                  WhatToTrace =  "FLOAT INVALID OPERATION" + " <---> " + "This exception represents any floating-point exception not included in this list."
                             CASE %EXCEPTION_FLT_OVERFLOW
                                  WhatToTrace =  "FLOAT OVERFLOW" + " <---> " + "The exponent of a floating-point operation is greater than the magnitude allowed by the corresponding type."
                             CASE %EXCEPTION_FLT_STACK_CHECK
                                  WhatToTrace =  "FLOAT STACK CHECK" + " <---> " + "The stack overflowed or underflowed as the result of a floating-point operation."
                             CASE %EXCEPTION_FLT_UNDERFLOW
                                  WhatToTrace =  "FLOAT UNDERFLOW" + " <---> " + "The exponent of a floating-point operation is less than the magnitude allowed by the corresponding type."
                             CASE %EXCEPTION_ILLEGAL_INSTRUCTION
                                  WhatToTrace =  "ILLEGAL INSTRUCTION" + " <---> " + "The thread tried to execute an invalid instruction."
                             CASE %EXCEPTION_IN_PAGE_ERROR
                                  WhatToTrace = "IN PAGE ERROR" + " <---> "
                                  WhatToTrace = WhatToTrace + "The thread tried to access a page that was not present, and the system was unable to load the page."
                                  WhatToTrace = WhatToTrace + "For example, this exception might occur if a network connection is lost while running a program over "
                                  WhatToTrace = WhatToTrace + "the network."
                             CASE %EXCEPTION_INT_DIVIDE_BY_ZERO
                                  WhatToTrace =   "INTEGER DIVISION BY ZERO" + " <---> " + "The thread tried to divide an integer value by an integer divisor of zero."
                             CASE %EXCEPTION_INT_OVERFLOW
                                  WhatToTrace =   "INTEGER OVERFLOW" + " <---> " + "The result of an integer operation caused a carry out of the most significant bit of the result."
    '                         CASE %EXCEPTION_INVALID_DISPOSITION
    '                              WhatToTrace =   "INVALID DISPOSITION" + " <---> " + "An exception handler returned an invalid disposition to the exception dispatcher. Programmers using a high-level language such as C should never encounter this exception."
    '                         CASE %EXCEPTION_NONCONTINUABLE_EXCEPTION
    '                              WhatToTrace =   "NONCONTINUABLE EXCEPTION" + " <---> " + "The thread tried to continue execution after a noncontinuable exception occurred."
                             CASE %EXCEPTION_PRIV_INSTRUCTION
                                  WhatToTrace =   "PRIVATE INSTRUCTION" + " <---> " + "The thread tried to execute an instruction whose operation is not allowed in the current machine mode."
                             CASE %EXCEPTION_SINGLE_STEP
                                  WhatToTrace =   "SINGLE STEP" + " <---> " + "A trace trap or other single-instruction mechanism signaled that one instruction has been executed."
                             CASE %EXCEPTION_STACK_OVERFLOW
                                  WhatToTrace =  "STACK OVERFLOW" + " <---> " + "The thread used up its stack."
                             CASE ELSE
                                  WhatToTrace =  CHR$(0)
                        END SELECT
                        FOR i = CALLSTKCOUNT TO CALLSTKCOUNT - 1 STEP -1
    '                    CallStackFunctions = CallStackFunctions + CALLSTK$(i)
                             CallStackFunctions = CALLSTK$(i)
                        NEXT i
    '*** Code for writing a crash-log, save opened documents etc...
                        WhatToTrace = $TAB + "Unhandled WindowsException - " + STR$(@ErrorRecord.ExceptionCode) + " - " + WhatToTrace + $CRLF + $TAB + " Function = " + CallStackFunctions + " at line: " + STR$(ERL)
                        TracePrint WhatToTrace
    '*** Exit the thread (and application if this is the only thread)
                        ExitThread 0                  'This will stop the typical "*.exe has encountered a problem and needs to close" error message to send a report to M$
              END SELECT
         END FUNCTION
    #ENDIF

    Leave a comment:


  • Scott Slater
    replied
    It will actually be creating a large number of work files, so I will just keep them all in a directory.

    Leave a comment:


  • Michael Mattias
    replied
    Well, I guess if you are on that deep, you may as well just create that temp file and have the operating system delete it for you on close...

    Create and use a file which will be deleted on close

    Leave a comment:


  • Scott Slater
    replied
    Thank you Michael, that did the trick!

    It is strange because the problem seems to be intermittent with XP Pro as well. I even tried it without the virus scanner being running since I was unsure where to look. Dir$ CLOSE did the job though... Thank you!

    Leave a comment:


  • Michael Mattias
    replied
    Or.... don't bother creating and removing directory if this is a temporary file anyway.

    Code:
    FUNCTION GetTempWorkFileName (szPrefix AS ASCIIZ * 4, szTempFile AS ASCIIZ * %MAX_PATH) AS LONG
       ' returns: 0 = success, the temp file name is in szTempFile (fully qualified)
       '        other = System error number
       LOCAL szTempPrefix AS ASCIIZ * 4   ' 3 + null
       LOCAL szTempPath   AS ASCIIZ * %MAX_PATH
       LOCAL Stat AS LONG
       szTempPrefix = szPrefix     ' not that I care, but...
       Stat =  GetTempPath(SIZEOF(szTempPath), szTempPath)
       IF ISTRUE Stat THEN    ' GetTempPathSucceeded
           Stat = GetTempFileName (szTempPath, szTempPrefix, 0&, szTempFile)
       END IF
       IF ISTRUE Stat THEN  ' function succeeded, return zero
          FUNCTION = 0
       ELSE
          FUNCTION = GetLastError  ' GetTempFileName returns non-zero on success
       END IF
    END FUNCTION

    Leave a comment:


  • Michael Mattias
    replied
    Try using DIR$ CLOSE after testing for the presence of files, before doing removes.

    You may still have an open search handle on that directory which prevents the rmdir.

    (why that would not work the same on Vista Home Premium the same way would be a question worth asking!)

    Leave a comment:


  • Rodney Hicks
    replied
    Running Vista Home Premium, your code runs fine here.

    Leave a comment:


  • Scott Slater
    started a topic RmDir getting Error 70

    RmDir getting Error 70

    I am working with the following block of code, and I keep getting an Error 70 at the point where the program is trying to remove the directory that it created. This code should be fairly straight forward, but I must be missing something simple. I first thought it was the direct calls to "If Len(Dir$(FilesStr)) Then..." so I changed it to use a long integer. This seemed to work for a short time, but now it is once again failing.

    I can easily remove the folder from the DOS prompt or Windows Explorer once the program creates it. The file gets deleted just fine, but the folder does not get removed. I am running this on Windows XP SP2.

    Code:
    #Compile Exe
    #Dim All
     
    $WorkDir           =  "\RMVTEST\"
    $BaseFileName      =  "MyBase_"
    $FileExtension     =  ".dat"
    %Buf512K           = 524288
     
    %USEMACROS = 1
    #Include "win32api.inc"
    #Include "CommCtrl.inc"
     
    Global hDlg As Dword
     
    Sub CheckDrive
       
       Local drive     As String
       Local FilesStr  As String
       Local rslt      As Long
     
       drive = "C:"
     
       FilesStr = drive & $WorkDir & $BaseFileName & "*" & $FileExtension
     
       MkDir drive & $WorkDir
       If ErrClear Then MsgBox "Error Making Directory"
       Open drive & $WorkDir & $BaseFileName & "01234" & $FileExtension For Output As 1
       Print# 1, "This is a test file for this routine!"
       Close 1
       If ErrClear Then MsgBox "Error Making File"
     
       rslt = Len(Dir$(drive & $WorkDir & "NUL"))
     
       If rslt Then  ' scrub folder exists!  See if there are files in it
          rslt = Len(Dir$(FilesStr))
          If rslt Then
             If MessageBox(hDlg, "Folder w/ File Exists, Remove it?", _
                           "Drive " & drive, %mb_yesno Or %mb_iconquestion) = %idyes Then
                ErrClear
                Kill FilesStr       ' Delete any files we created
                ErrClear
                RmDir drive & $WorkDir
                If Err Then
                   MessageBox hDlg, "Error " & Format$(Err) & " attempting to remove folder!", "Could Not Remove", 16
                   ErrClear
                End If
             End If
          End If
       End If
     
    End Sub
     
    Function PBMain () As Long
     
        CheckDrive
     
    End Function
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