mirror of
https://github.com/reactos/reactos.git
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185 lines
3.3 KiB
C
185 lines
3.3 KiB
C
/* $Id: chklib.c,v 1.1 1999/05/16 07:27:35 ea Exp $
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*
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* chklib.c
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*
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* Copyright (C) 1998, 1999 Emanuele Aliberti.
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*
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* --------------------------------------------------------------------
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*
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* This software is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this software; see the file COPYING.LIB. If
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* not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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* Cambridge, MA 02139, USA.
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*
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* --------------------------------------------------------------------
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* Check a PE DLL for loading and get an exported symbol's address
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* (relocated).
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*
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*/
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//#define UNICODE
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#include <windows.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include "win32err.h"
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#ifdef DISPLAY_VERSION
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static
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void
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DisplayVersion(
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HANDLE dll,
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PCHAR ModuleName
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)
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{
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DWORD Zero;
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DWORD Size;
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PVOID vi = NULL;
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assert(ModuleName);
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Size = GetFileVersionInfoSize(
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ModuleName,
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& Zero
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);
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if (Size == 0)
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{
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PrintWin32Error(
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L"GetFileVersionInfoSize",
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GetLastError()
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);
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return;
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}
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vi = (PVOID) LocalAlloc(LMEM_ZEROINIT,Size);
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if (!vi) return;
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assert(dll != INVALID_HANDLE_VALUE);
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if (0 == GetFileVersionInfo(
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ModuleName,
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(DWORD) dll,
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Size,
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vi
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)
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) {
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PrintWin32Error(
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L"GetFileVersionInfo",
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GetLastError()
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);
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return;
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}
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/*
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VerQueryValue(
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vi,
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L"\\StringFileInfo\\040904E4\\FileDescription",
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& lpBuffer,
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& dwBytes
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);
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*/
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LocalFree(vi);
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}
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#endif /* def DISPLAY_VERSION */
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static
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void
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DisplayEntryPoint(
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const HANDLE dll,
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LPCSTR SymbolName
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)
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{
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FARPROC EntryPoint;
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printf(
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"[%s]\n",
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SymbolName
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);
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EntryPoint = GetProcAddress(
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dll,
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SymbolName
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);
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if (!EntryPoint)
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{
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PrintWin32Error(
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L"GetProcAddress",
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GetLastError()
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);
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return;
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}
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printf(
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"%08X %s\n",
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EntryPoint,
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SymbolName
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);
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}
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/* --- MAIN --- */
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int
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main(
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int argc,
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char * argv []
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)
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{
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HINSTANCE dll;
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TCHAR ModuleName [_MAX_PATH];
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if (argc != 2 && argc != 3)
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{
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fprintf(
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stderr,
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"\
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ReactOS System Tools\n\
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Check a Dynamic Link Library (DLL) for loading\n\
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Copyright (c) 1998, 1999 Emanuele Aliberti\n\n\
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usage: %s module [symbol]\n",
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argv[0]
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);
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exit(EXIT_FAILURE);
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}
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dll = LoadLibraryA(argv[1]);
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if (!dll)
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{
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UINT LastError;
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LastError = GetLastError();
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PrintWin32Error(L"LoadLibrary",LastError);
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fprintf(
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stderr,
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"%s: loading %s failed (%d).\n",
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argv[0],
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argv[1],
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LastError
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);
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exit(EXIT_FAILURE);
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}
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GetModuleFileName(
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(HANDLE) dll,
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ModuleName,
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sizeof ModuleName
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);
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printf(
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"%s loaded.\n",
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ModuleName
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);
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#ifdef DISPLAY_VERSION
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DisplayVersion(dll,ModuleName);
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#endif
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if (argc == 3) DisplayEntryPoint( dll, argv[2] );
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FreeLibrary(dll);
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printf(
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"%s unloaded.\n",
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ModuleName
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);
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return EXIT_SUCCESS;
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}
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/* EOF */
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