Files
BCompat/dll.c
2026-03-12 12:07:23 +01:00

87 lines
3.4 KiB
C

#define WIN32_LEAN_AND_MEAN
#define NOUSER
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#define DLL_EXPORT __declspec(dllexport)
typedef int (WINAPI *MessageBoxAPtr)(HWND hwnd, LPCSTR lpText, LPCSTR lpCaption, UINT uType);
typedef int (WINAPI *MessageBoxWPtr)(HWND hwnd, LPCWSTR lpText, LPCWSTR lpCaption, UINT uType);
DLL_EXPORT WINAPI int MessageBoxA(HWND hwnd, LPCSTR lpText, LPCSTR lpCaption, UINT uType) {
MessageBoxAPtr proc = (MessageBoxAPtr) GetProcAddress(GetModuleHandle("user32.dll"), "MessageBoxA");
LPSTR buffer = malloc(strlen(lpText) + 1 + 26);
strcpy(buffer, "MessageBoxA gruesst Sie!\n"),
strcat(buffer, lpText);
int result = proc(hwnd, buffer, lpCaption, uType);
free(buffer);
return result;
return 0;
}
DLL_EXPORT WINAPI int MessageBoxW(HWND hwnd, LPCWSTR lpText, LPCWSTR lpCaption, UINT uType) {
MessageBoxWPtr proc = (MessageBoxWPtr) GetProcAddress(GetModuleHandle("user32.dll"), "MessageBoxW");
LPWSTR buffer = malloc(wcslen(lpText) + 1 + 26);
wcscpy(buffer, L"MessageBoxW gruesst Sie!\n");
wcscat(buffer, lpText);
int result = proc(hwnd, buffer, lpCaption, uType);
free(buffer);
return result;
}
DLL_EXPORT WINAPI BOOL GetVersionExW(LPOSVERSIONINFOW version) {
if (version->dwOSVersionInfoSize == sizeof(OSVERSIONINFOW)) {
version->dwMajorVersion = 4;
version->dwMinorVersion = 0;
version->dwBuildNumber = 1381;
version->dwPlatformId = VER_PLATFORM_WIN32_NT;
//wcscpy(version->szCSDVersion, L"Befator Inc gruesst Sie!");
/*HKEY key;
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, TEXT("SOFTWARE\\BCompat"), 0, KEY_READ, &key) == ERROR_SUCCESS) {
DWORD size;
DWORD major = 0;
if (RegQueryValueEx(key, TEXT("ReportedMajor"), NULL, NULL, (LPBYTE) &major, &size) == ERROR_SUCCESS) {
version->dwMajorVersion = major;
}
DWORD minor = 0;
if (RegQueryValueEx(key, TEXT("ReportedMinor"), NULL, NULL, (LPBYTE) &minor, &size) == ERROR_SUCCESS) {
version->dwMinorVersion = minor;
}
DWORD build = 0;
if (RegQueryValueEx(key, TEXT("ReportedBuild"), NULL, NULL, (LPBYTE) &build, &size) == ERROR_SUCCESS) {
version->dwBuildNumber = build;
}
DWORD platform = 0;
if (RegQueryValueEx(key, TEXT("ReportedPlatform"), NULL, NULL, (LPBYTE) &platform, &size) == ERROR_SUCCESS) {
version->dwPlatformId = platform;
}
RegCloseKey(key);
}*/
return TRUE;
} else {
SetLastError(ERROR_INSUFFICIENT_BUFFER);
return FALSE;
}
}
DLL_EXPORT WINAPI BOOL GetVersionExA(LPOSVERSIONINFOA version) {
if (version->dwOSVersionInfoSize == sizeof(OSVERSIONINFOA)) {
OSVERSIONINFOW versionW;
versionW.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
if (GetVersionExW(&versionW)) {
version->dwMajorVersion = versionW.dwMajorVersion;
version->dwMinorVersion = versionW.dwMinorVersion;
version->dwBuildNumber = versionW.dwBuildNumber;
version->dwPlatformId = versionW.dwPlatformId;
//wcstombs(version->szCSDVersion, versionW.szCSDVersion, ARRAYSIZE(version->szCSDVersion));
return TRUE;
}
return FALSE;
} else {
SetLastError(ERROR_INSUFFICIENT_BUFFER);
return FALSE;
}
}