88 lines
2.1 KiB
C++
88 lines
2.1 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Copyright (C) 1997, Microsoft Corporation.
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//
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// File: snapimg.cxx
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//
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// Contents: runtime dynlink to imagehlp
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//
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// History: 23-jan-97 MarkZ Created
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//
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//----------------------------------------------------------------------------
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#include <pch.cxx>
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#pragma hdrstop
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#include <imagehlp.h>
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#include "snapimg.hxx"
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#if CIDBG
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T_SymInitialize LocalSymInitialize = SymInitialize;
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#else // CIDBG
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T_SymInitialize LocalSymInitialize = 0;
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#endif // CIDBG
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T_SymSetOptions LocalSymSetOptions = 0;
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T_SymGetSymFromAddr LocalSymGetSymFromAddr = 0;
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T_SymUnDName LocalSymUnDName = 0;
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BOOL fLocalRoutinesInitialized = FALSE;
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//+---------------------------------------------------------------------------
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//
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// Function: SnapToImageHlp()
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//
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// Synopsis: snap a runtime link to ImageHlp
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//
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// Returns: TRUE if snap has been done
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//
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// History: 23-jan-97 MarkZ Created
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//
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//----------------------------------------------------------------------------
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BOOL
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SnapToImageHlp( void )
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{
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//
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// Make sure we don't have to do extra work
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//
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if (!fLocalRoutinesInitialized) {
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//
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// Load ImageHlp
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//
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HINSTANCE hInstance = LoadLibrary( L"DBGHELP.DLL" );
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if (hInstance == NULL) {
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return FALSE;
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}
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//
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// Load Routines
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//
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if ((LocalSymSetOptions =
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(T_SymSetOptions) GetProcAddress( hInstance, "SymSetOptions" )) == NULL ||
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(LocalSymGetSymFromAddr =
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(T_SymGetSymFromAddr) GetProcAddress( hInstance, "SymGetSymFromAddr" )) == NULL ||
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(LocalSymUnDName =
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(T_SymUnDName) GetProcAddress( hInstance, "SymUnDName" )) == NULL ||
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(LocalSymInitialize =
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(T_SymInitialize) GetProcAddress( hInstance, "SymInitialize" )) == NULL
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) {
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return FALSE;
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}
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//
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// Signal that we are initialized
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//
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fLocalRoutinesInitialized = TRUE;
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}
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return TRUE;
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}
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