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135 lines
3.0 KiB
135 lines
3.0 KiB
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1995
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//
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// File: derror.cxx
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//
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// Contents: Ole NTSD extension routines to display the error
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// message for a Win32 or OLE error code
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//
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// Functions: displayVtbl
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//
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//
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// History: 06-01-95 BruceMa Created
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//
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//
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//--------------------------------------------------------------------------
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#include <ole2int.h>
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#include <windows.h>
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#include "ole.h"
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//+-------------------------------------------------------------------------
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//
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// Function: displayHr
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//
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// Synopsis: Display the mnesage for a Win32 error or OLE HRESULT
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//
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// Arguments: [hProcess] - Handle of this process
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// [lpExtensionApis] - Table of extension functions
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//
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// Returns: -
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//
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// History: 01-Jun-95 BruceMa Created
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//
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//--------------------------------------------------------------------------
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void displayHr (HANDLE hProcess,
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PNTSD_EXTENSION_APIS lpExtensionApis,
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char *arg)
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{
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DWORD err = 0;
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BOOL fHex = FALSE;
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// Determine if it's hex or decimal. Also allow '800xxxxx' to implicitly
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// be treated as hexadecimal
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if (arg[0] == '0' && (arg[1] == 'x' || arg[1] == 'X'))
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{
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fHex = TRUE;
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arg += 2;
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}
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else if (arg[0] == '8' && arg[1] == '0' && arg[2] == '0')
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{
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fHex = TRUE;
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}
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else
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{
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char *s = arg;
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while (*s)
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{
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if (('a' <= *s && *s <= 'f') || ('A' <= *s && *s <= 'F'))
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{
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fHex = TRUE;
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break;
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}
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s++;
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}
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}
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// Parse the error number
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if (fHex)
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{
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int k = 0;
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char c;
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while (c = arg[k++])
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{
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c = c - '0';
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if (c > 9)
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{
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if (c <= 'F' && c >= 'A')
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{
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c = c + '0' - 'A' + 10;
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}
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else
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{
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c = c + '0' - 'a' + 10;
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}
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}
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err = (16 * err) + c;
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}
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}
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else
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{
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int k = 0;
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char c;
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while (c = arg[k++])
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{
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c = c - '0';
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err = (10 * err) + c;
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}
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}
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// Fetch the associated error message
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int cbMsgLen;
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char szBuffer[512];
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cbMsgLen = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM |
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FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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err,
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(DWORD) NULL,
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szBuffer,
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511,
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NULL);
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// Output the message
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if (cbMsgLen == 0)
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{
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Printf("...No such error code\n");
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}
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else
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{
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szBuffer[cbMsgLen] = '\0';
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Printf("%s\n", szBuffer);
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}
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}
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