252 lines
6.7 KiB
C
252 lines
6.7 KiB
C
/*
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* Modules & Libraries functions
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*/
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static char Copyright[] = "Copyright Martin Ayotte, 1994";
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#ifndef WINELIB
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "prototypes.h"
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#include "windows.h"
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#include "wine.h"
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#include "dlls.h"
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#include "task.h"
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typedef struct {
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LPSTR ModuleName;
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LPSTR FileName;
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WORD Count;
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HANDLE hModule;
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HINSTANCE hInst;
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void *lpPrevModule;
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void *lpNextModule;
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} MODULEENTRY;
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typedef MODULEENTRY *LPMODULEENTRY;
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static LPMODULEENTRY lpModList = NULL;
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extern struct w_files * wine_files;
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#define N_BUILTINS 10
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extern struct dll_name_table_entry_s dll_builtin_table[N_BUILTINS];
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/**********************************************************************
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* GetModuleHandle [KERNEL.47]
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*/
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HANDLE GetModuleHandle(LPSTR lpModuleName)
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{
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register struct w_files *w = wine_files;
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int i;
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printf("GetModuleHandle('%s');\n", lpModuleName);
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while (w) {
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/* printf("GetModuleHandle // '%s' \n", w->name); */
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if (strcmp(w->name, lpModuleName) == 0) {
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printf("GetModuleHandle('%s') return %04X \n",
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lpModuleName, w->hinstance);
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return w->hinstance;
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}
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w = w->next;
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}
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for (i = 0; i < N_BUILTINS; i++) {
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if (strcmp(dll_builtin_table[i].dll_name, lpModuleName) == 0) {
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printf("GetModuleHandle('%s') return %04X \n",
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lpModuleName, 0xFF00 + i);
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return (0xFF00 + i);
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}
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}
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printf("GetModuleHandle('%s') not found !\n", lpModuleName);
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return 0;
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}
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/**********************************************************************
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* GetModuleUsage [KERNEL.48]
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*/
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int GetModuleUsage(HANDLE hModule)
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{
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struct w_files *w;
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printf("GetModuleUsage(%04X);\n", hModule);
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w = GetFileInfo(hModule);
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/* return w->Usage; */
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return 1;
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}
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/**********************************************************************
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* GetModuleFilename [KERNEL.49]
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*/
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int GetModuleFileName(HANDLE hModule, LPSTR lpFileName, short nSize)
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{
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struct w_files *w;
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printf("GetModuleFileName(%04X, %08X, %d);\n", hModule, lpFileName, nSize);
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if (lpFileName == NULL) return 0;
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w = GetFileInfo(hModule);
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if (w == NULL) return 0;
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if (nSize > strlen(w->name)) nSize = strlen(w->name) + 1;
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strncpy(lpFileName, w->name, nSize);
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printf("GetModuleFileName copied '%s' return %d \n", lpFileName, nSize);
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return nSize - 1;
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}
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/**********************************************************************
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* LoadLibrary [KERNEL.95]
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*/
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HANDLE LoadLibrary(LPSTR libname)
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{
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HANDLE hModule;
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LPMODULEENTRY lpMod = lpModList;
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LPMODULEENTRY lpNewMod;
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printf("LoadLibrary '%s'\n", libname);
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if (lpMod != NULL) {
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while (TRUE) {
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if (strcmp(libname, lpMod->FileName) == 0) {
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lpMod->Count++;
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printf("LoadLibrary // already loaded hInst=%04X\n", lpMod->hInst);
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return lpMod->hInst;
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}
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if (lpMod->lpNextModule == NULL) break;
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lpMod = lpMod->lpNextModule;
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}
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}
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hModule = GlobalAlloc(GMEM_MOVEABLE, sizeof(MODULEENTRY));
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lpNewMod = (LPMODULEENTRY) GlobalLock(hModule);
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#ifdef DEBUG_LIBRARY
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printf("LoadLibrary // creating new module entry %08X\n", lpNewMod);
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#endif
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if (lpNewMod == NULL) return 0;
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if (lpModList == NULL) {
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lpModList = lpNewMod;
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lpNewMod->lpPrevModule = NULL;
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}
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else {
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lpMod->lpNextModule = lpNewMod;
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lpNewMod->lpPrevModule = lpMod;
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}
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lpNewMod->lpNextModule = NULL;
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lpNewMod->hModule = hModule;
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lpNewMod->ModuleName = NULL;
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lpNewMod->FileName = (LPSTR) malloc(strlen(libname));
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if (lpNewMod->FileName != NULL) strcpy(lpNewMod->FileName, libname);
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lpNewMod->hInst = LoadImage(libname, DLL);
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lpNewMod->Count = 1;
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printf("LoadLibrary returned Library hInst=%04X\n", lpNewMod->hInst);
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GlobalUnlock(hModule);
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return lpNewMod->hInst;
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}
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/**********************************************************************
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* FreeLibrary [KERNEL.96]
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*/
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void FreeLibrary(HANDLE hLib)
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{
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LPMODULEENTRY lpMod = lpModList;
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printf("FreeLibrary(%04X);\n", hLib);
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while (lpMod != NULL) {
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if (lpMod->hInst == hLib) {
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if (lpMod->Count == 1) {
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if (hLib != (HANDLE)NULL) GlobalFree(hLib);
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if (lpMod->ModuleName != NULL) free(lpMod->ModuleName);
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if (lpMod->FileName != NULL) free(lpMod->FileName);
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GlobalFree(lpMod->hModule);
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printf("FreeLibrary // freed !\n");
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return;
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}
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lpMod->Count--;
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printf("FreeLibrary // Count decremented !\n");
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return;
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}
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lpMod = lpMod->lpNextModule;
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}
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}
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/**********************************************************************
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* GetProcAddress [KERNEL.50]
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*/
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FARPROC GetProcAddress(HANDLE hModule, char *proc_name)
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{
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WORD wOrdin;
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int sel, addr, ret;
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register struct w_files *w = wine_files;
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int ordinal, len;
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char * cpnt;
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char C[128];
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HTASK hTask;
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LPTASKENTRY lpTask;
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if (hModule >= 0xF000) {
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if ((int) proc_name & 0xffff0000) {
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printf("GetProcAddress: builtin %#04X, '%s'\n",
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hModule, proc_name);
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/* wOrdin = FindOrdinalFromName(struct dll_table_entry_s *dll_table, proc_name); */
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}
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else {
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printf("GetProcAddress: builtin %#04X, %d\n",
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hModule, (int)proc_name);
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}
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return NULL;
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}
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if (hModule == 0) {
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hTask = GetCurrentTask();
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printf("GetProcAddress // GetCurrentTask()=%04X\n", hTask);
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lpTask = (LPTASKENTRY) GlobalLock(hTask);
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if (lpTask == NULL) {
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printf("GetProcAddress: can't find current module handle !\n");
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return NULL;
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}
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hModule = lpTask->hInst;
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printf("GetProcAddress: current module=%04X instance=%04X!\n",
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lpTask->hModule, lpTask->hInst);
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GlobalUnlock(hTask);
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}
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while (w && w->hinstance != hModule) w = w->next;
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if (w == NULL) return NULL;
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printf("GetProcAddress // Module Found ! w->filename='%s'\n", w->filename);
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if ((int)proc_name & 0xFFFF0000) {
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AnsiUpper(proc_name);
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printf("GetProcAddress: %04X, '%s'\n", hModule, proc_name);
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cpnt = w->nrname_table;
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while(TRUE) {
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if (((int) cpnt) - ((int)w->nrname_table) >
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w->ne_header->nrname_tab_length) return NULL;
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len = *cpnt++;
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strncpy(C, cpnt, len);
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C[len] = '\0';
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#ifdef DEBUG_MODULE
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printf("pointing Function '%s' !\n", C);
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#endif
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if (strncmp(cpnt, proc_name, len) == 0) {
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ordinal = *((unsigned short *) (cpnt + len));
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break;
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}
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cpnt += len + 2;
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};
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if (ordinal == 0) {
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printf("GetProcAddress // function '%s' not found !\n", proc_name);
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return NULL;
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}
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}
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else {
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printf("GetProcAddress: %#04x, %d\n", hModule, (int) proc_name);
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ordinal = (int)proc_name;
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}
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ret = GetEntryPointFromOrdinal(w, ordinal);
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if (ret == -1) {
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printf("GetProcAddress // Function #%d not found !\n", ordinal);
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return NULL;
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}
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addr = ret & 0xffff;
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sel = (ret >> 16);
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printf("GetProcAddress // ret=%08X sel=%04X addr=%04X\n", ret, sel, addr);
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return (FARPROC) ret;
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}
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#endif /* ifndef WINELIB */
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