source: trunk/src/ddraw/initterm.cpp@ 5291

Last change on this file since 5291 was 5291, checked in by mike, 24 years ago

Updates/cleanup for Watcom (not complete)

File size: 4.1 KB
Line 
1/*
2 * DLL entry point
3 *
4 * Copyright 1998 Sander van Leeuwen
5 * Copyright 1998 Peter Fitzsimmons
6 *
7 *
8 * Project Odin Software License can be found in LICENSE.TXT
9 *
10 */
11
12/*-------------------------------------------------------------*/
13/* INITERM.C -- Source for a custom dynamic link library */
14/* initialization and termination (_DLL_InitTerm) */
15/* function. */
16/* */
17/* When called to perform initialization, this sample function */
18/* gets storage for an array of integers, and initializes its */
19/* elements with random integers. At termination time, it */
20/* frees the array. Substitute your own special processing. */
21/*-------------------------------------------------------------*/
22
23
24/* Include files */
25#define INCL_DOSMODULEMGR
26#define INCL_DOSPROCESS
27#include <os2wrap.h> //Odin32 OS/2 api wrappers
28#include <stdlib.h>
29#include <stdio.h>
30#include <string.h>
31#include <odin.h>
32#include <win32type.h>
33#include <winconst.h>
34#include <odinlx.h>
35#include <misc.h> /*PLF Wed 98-03-18 23:18:15*/
36#include <initdll.h>
37
38extern "C" {
39 //Win32 resource table (produced by wrc)
40 extern DWORD _Resource_PEResTab;
41}
42
43char ddrawPath[CCHMAXPATH] = "";
44static HMODULE dllHandle = 0;
45
46//******************************************************************************
47//******************************************************************************
48BOOL WINAPI LibMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
49{
50 switch (fdwReason)
51 {
52 case DLL_PROCESS_ATTACH:
53 return TRUE;
54
55 case DLL_THREAD_ATTACH:
56 case DLL_THREAD_DETACH:
57 return TRUE;
58
59 case DLL_PROCESS_DETACH:
60#ifdef __IBMCPP__
61 ctordtorTerm();
62#endif
63 return TRUE;
64 }
65 return FALSE;
66}
67/****************************************************************************/
68/* _DLL_InitTerm is the function that gets called by the operating system */
69/* loader when it loads and frees this DLL for each process that accesses */
70/* this DLL. However, it only gets called the first time the DLL is loaded */
71/* and the last time it is freed for a particular process. The system */
72/* linkage convention MUST be used because the operating system loader is */
73/* calling this function. */
74/****************************************************************************/
75unsigned long SYSTEM _DLL_InitTerm(unsigned long hModule, unsigned long
76 ulFlag)
77{
78
79 /*-------------------------------------------------------------------------*/
80 /* If ulFlag is zero then the DLL is being loaded so initialization should */
81 /* be performed. If ulFlag is 1 then the DLL is being freed so */
82 /* termination should be performed. */
83 /*-------------------------------------------------------------------------*/
84
85 switch (ulFlag) {
86 case 0 :
87 {
88#ifdef __IBMCPP__
89 ctordtorInit();
90#endif
91 DosQueryModuleName(hModule, CCHMAXPATH, ddrawPath);
92 char *endofpath = strrchr(ddrawPath, '\\');
93 if(endofpath) *(endofpath+1) = 0;
94
95 CheckVersionFromHMOD(PE2LX_VERSION, hModule); /*PLF Wed 98-03-18 05:28:48*/
96
97 dllHandle = RegisterLxDll(hModule, LibMain, (PVOID)&_Resource_PEResTab,
98 DDRAW_MAJORIMAGE_VERSION, DDRAW_MINORIMAGE_VERSION,
99 IMAGE_SUBSYSTEM_WINDOWS_GUI);
100 if(dllHandle == 0)
101 return 0UL;
102
103 break;
104 }
105 case 1 :
106 if(dllHandle) {
107 UnregisterLxDll(dllHandle);
108 }
109 break;
110 default :
111 return 0UL;
112 }
113
114 /***********************************************************/
115 /* A non-zero value must be returned to indicate success. */
116 /***********************************************************/
117 return 1UL;
118}
119//******************************************************************************
120//******************************************************************************
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