| 1 | /* $Id: winimagelx.cpp,v 1.5 1999-11-29 00:04:06 bird Exp $ */
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| 2 |
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| 3 | /*
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| 4 | * Win32 LX Image base class
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| 5 | *
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| 6 | * Copyright 1999 Sander van Leeuwen (sandervl@xs4all.nl)
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| 7 | *
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| 8 | * Project Odin Software License can be found in LICENSE.TXT
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| 9 | *
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| 10 | */
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| 11 |
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| 12 | #define INCL_DOSFILEMGR /* File Manager values */
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| 13 | #define INCL_DOSMODULEMGR
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| 14 | #define INCL_DOSERRORS /* DOS Error values */
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| 15 | #define INCL_DOSPROCESS /* DOS Process values */
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| 16 | #define INCL_DOSMISC /* DOS Miscellanous values */
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| 17 | #define INCL_WIN
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| 18 | #define INCL_BASE
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| 19 | #include <os2wrap.h> //Odin32 OS/2 api wrappers
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| 20 |
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| 21 | #include <stdio.h>
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| 22 | #include <string.h>
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| 23 | #include <stdlib.h>
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| 24 |
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| 25 | #include <assert.h>
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| 26 | #include <misc.h>
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| 27 | #include <win32type.h>
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| 28 | #include <winimagebase.h>
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| 29 | #include <winimagelx.h>
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| 30 | #include <windllbase.h>
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| 31 | #include <winexebase.h>
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| 32 | #include <winexelx.h>
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| 33 | #include <pefile.h>
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| 34 | #include <unicode.h>
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| 35 | #include <winres.h>
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| 36 | #include "oslibmisc.h"
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| 37 | #include "initterm.h"
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| 38 | #include <win\virtual.h>
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| 39 |
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| 40 | //******************************************************************************
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| 41 | //******************************************************************************
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| 42 | Win32LxImage::Win32LxImage(HINSTANCE hInstance, PVOID pResData)
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| 43 | : Win32ImageBase(hInstance)
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| 44 | {
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| 45 | APIRET rc;
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| 46 |
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| 47 | szFileName[0] = 0;
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| 48 |
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| 49 | char *name = OSLibGetDllName(hinstance);
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| 50 | strcpy(szFileName, name);
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| 51 | strupr(szFileName);
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| 52 |
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| 53 | setFullPath(szFileName);
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| 54 |
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| 55 | //Pointer to PE resource tree generates by wrc (or NULL for system dlls)
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| 56 | pResDir = (PIMAGE_RESOURCE_DIRECTORY)pResData;
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| 57 |
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| 58 | //ulRVAResourceSection contains the virtual address of the imagebase in the PE header
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| 59 | //for the resource section (images loaded by the pe.exe)
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| 60 | //For LX images, this is 0 as OffsetToData contains a relative offset
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| 61 | ulRVAResourceSection = 0;
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| 62 | }
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| 63 | //******************************************************************************
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| 64 | //******************************************************************************
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| 65 | Win32LxImage::~Win32LxImage()
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| 66 | {
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| 67 | }
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| 68 | //******************************************************************************
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| 69 | //******************************************************************************
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| 70 | ULONG Win32LxImage::getApi(char *name)
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| 71 | {
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| 72 | APIRET rc;
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| 73 | ULONG apiaddr;
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| 74 |
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| 75 | rc = DosQueryProcAddr(hinstance, 0, name, (PFN *)&apiaddr);
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| 76 | if(rc)
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| 77 | {
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| 78 | if(rc == ERROR_INVALID_HANDLE)
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| 79 | {//handle invalid for some silly reason, so load module again (initterm entrypoint not called twice)
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| 80 | char szErrName[CCHMAXPATH];
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| 81 |
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| 82 | rc = DosLoadModule(szErrName, sizeof(szErrName), szFileName, &hinstance);
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| 83 | if(!rc)
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| 84 | rc = DosQueryProcAddr(hinstance, 0, name, (PFN *)&apiaddr);
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| 85 | }
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| 86 | if(rc) return(0);
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| 87 | }
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| 88 | return(apiaddr);
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| 89 | }
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| 90 | //******************************************************************************
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| 91 | //******************************************************************************
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| 92 | ULONG Win32LxImage::getApi(int ordinal)
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| 93 | {
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| 94 | APIRET rc;
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| 95 | ULONG apiaddr;
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| 96 |
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| 97 | rc = DosQueryProcAddr(hinstance, ordinal, NULL, (PFN *)&apiaddr);
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| 98 | if(rc) {
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| 99 | if(rc == ERROR_INVALID_HANDLE)
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| 100 | {//SvL(?): handle invalid for some silly reason, so load module again (initterm entrypoint not called twice)
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| 101 | //KSO: AFAIK you'll have to load the module calling DosLoadModule to use it's handle in API calls.
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| 102 | // CPREF->DosGetResource->hmod: ... A value other than zero is a module handle that was returned by DosLoadModule.
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| 103 | // You may consider adding a DosLoadModule call during RegisterLxDll or somewhere.
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| 104 | char szErrName[CCHMAXPATH];
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| 105 |
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| 106 | rc = DosLoadModule(szErrName, sizeof(szErrName), szFileName, &hinstance);
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| 107 | if(!rc)
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| 108 | rc = DosQueryProcAddr(hinstance, ordinal, NULL, (PFN *)&apiaddr);
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| 109 | }
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| 110 | if(rc) return(0);
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| 111 | }
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| 112 | return(apiaddr);
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| 113 | }
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| 114 | //******************************************************************************
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| 115 | //******************************************************************************
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| 116 |
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