1 | /* $Id: initterm.cpp,v 1.7 2000-08-11 10:56:22 sandervl Exp $ */
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2 |
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3 | /*
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4 | * DLL entry point
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5 | *
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6 | * Copyright 1998 Sander van Leeuwen
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7 | * Copyright 1998 Peter Fitzsimmons
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8 | *
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9 | *
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10 | * Project Odin Software License can be found in LICENSE.TXT
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11 | *
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12 | */
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13 |
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14 | /*-------------------------------------------------------------*/
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15 | /* INITERM.C -- Source for a custom dynamic link library */
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16 | /* initialization and termination (_DLL_InitTerm) */
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17 | /* function. */
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18 | /* */
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19 | /* When called to perform initialization, this sample function */
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20 | /* gets storage for an array of integers, and initializes its */
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21 | /* elements with random integers. At termination time, it */
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22 | /* frees the array. Substitute your own special processing. */
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23 | /*-------------------------------------------------------------*/
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24 |
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25 |
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26 | /* Include files */
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27 | #define INCL_DOSMODULEMGR
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28 | #define INCL_DOSPROCESS
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29 | #include <os2wrap.h> //Odin32 OS/2 api wrappers
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30 | #include <stdlib.h>
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31 | #include <stdio.h>
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32 | #include <string.h>
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33 | #include <odin.h>
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34 | #include <win32type.h>
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35 | #include <winconst.h>
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36 | #include <odinlx.h>
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37 | #include <misc.h> /*PLF Wed 98-03-18 23:18:15*/
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38 |
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39 | extern "C" {
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40 | void CDECL _ctordtorInit( void );
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41 | void CDECL _ctordtorTerm( void );
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42 |
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43 | //Win32 resource table (produced by wrc)
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44 | extern DWORD _Resource_PEResTab;
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45 | }
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46 | static HMODULE dllHandle = 0;
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47 |
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48 | //Global DLL Data
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49 | #pragma data_seg(_GLOBALDATA)
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50 | int globLoadNr = 0;
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51 | #pragma data_seg()
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52 |
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53 | char oleaut32Path[CCHMAXPATH] = "";
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54 | int loadNr = 0;
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55 |
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56 | void Hash_Initialise(void);
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57 |
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58 | //******************************************************************************
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59 | //******************************************************************************
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60 | BOOL WINAPI LibMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
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61 | {
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62 | switch (fdwReason)
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63 | {
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64 | case DLL_PROCESS_ATTACH:
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65 | return TRUE;
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66 |
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67 | case DLL_THREAD_ATTACH:
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68 | case DLL_THREAD_DETACH:
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69 | return TRUE;
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70 |
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71 | case DLL_PROCESS_DETACH:
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72 | _ctordtorTerm();
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73 | ClosePrivateLogFiles();
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74 | return TRUE;
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75 | }
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76 | return FALSE;
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77 | }
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78 | /****************************************************************************/
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79 | /* _DLL_InitTerm is the function that gets called by the operating system */
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80 | /* loader when it loads and frees this DLL for each process that accesses */
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81 | /* this DLL. However, it only gets called the first time the DLL is loaded */
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82 | /* and the last time it is freed for a particular process. The system */
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83 | /* linkage convention MUST be used because the operating system loader is */
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84 | /* calling this function. */
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85 | /****************************************************************************/
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86 | unsigned long SYSTEM _DLL_InitTerm(unsigned long hModule, unsigned long
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87 | ulFlag)
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88 | {
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89 | size_t i;
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90 | APIRET rc;
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91 |
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92 | /*-------------------------------------------------------------------------*/
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93 | /* If ulFlag is zero then the DLL is being loaded so initialization should */
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94 | /* be performed. If ulFlag is 1 then the DLL is being freed so */
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95 | /* termination should be performed. */
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96 | /*-------------------------------------------------------------------------*/
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97 |
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98 | switch (ulFlag) {
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99 | case 0 :
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100 | {
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101 | loadNr = globLoadNr++;
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102 |
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103 | DosQueryModuleName(hModule, sizeof(oleaut32Path), oleaut32Path);
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104 | char *endofpath = strrchr(oleaut32Path, '\\');
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105 | *(endofpath+1) = 0;
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106 |
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107 | _ctordtorInit();
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108 |
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109 | CheckVersionFromHMOD(PE2LX_VERSION, hModule); /*PLF Wed 98-03-18 05:28:48*/
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110 |
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111 | dllHandle = RegisterLxDll(hModule, LibMain, (PVOID)&_Resource_PEResTab);
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112 | if(dllHandle == 0)
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113 | return 0UL;
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114 |
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115 | #ifdef DEFAULT_LOGGING_OFF
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116 | if(getenv("WIN32LOG_ENABLED")) {
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117 | #else
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118 | if(!getenv("NOWIN32LOG")) {
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119 | #endif
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120 | OpenPrivateLogFiles();
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121 | }
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122 | Hash_Initialise();
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123 |
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124 | break;
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125 | }
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126 | case 1 :
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127 | if(dllHandle) {
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128 | UnregisterLxDll(dllHandle);
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129 | }
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130 | break;
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131 |
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132 | default :
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133 | return 0UL;
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134 | }
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135 |
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136 | /***********************************************************/
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137 | /* A non-zero value must be returned to indicate success. */
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138 | /***********************************************************/
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139 | return 1UL;
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140 | }
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141 | //******************************************************************************
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142 | //******************************************************************************
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