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CodeBlocksPortable/WATCOM/samples/dll/gen32.c

164 lines
4.7 KiB
C

/*
* GEN32.C
*
* Compile: wcc386 gen32 /bt=windows
* C++ Compile: wpp386 gen32 /bt=windows
* Link: wlink @gen32
* Bind: wbind gen32 -n
* GEN32.LNK debug all
* system win386
* file gen32
* option map
* option stack=12K
* option maxdata=8K
* option mindata=4K
* # option symfile=gen32.sym
*/
#include <windows.h>
#ifdef __cplusplus
#include <iostream.h>
#include <strstrea.h>
#else
#include <stdio.h>
#endif
/*
* Comment out this line if you do not want
* to do the 16-bit DLL call test.
*/
#define DO_16BIT_TEST
#define DLL_1 1
#define DLL_2 2
#define DLL_3 3
int PASCAL WinMain( HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow )
{
FARPROC fp, fp1, fp2, fpWEP;
HANDLE hlib16, hlib32;
HINDIR hIndira, hIndirb;
HINDIR hIndir1, hIndir2, hIndir3, hIndirWEP;
DWORD cb;
char buf[128];
#ifdef DO_16BIT_TEST
/*
* 16-bit DLL test, calling with Microsoft C calling conventions
*/
hlib16 = LoadLibrary( "dll16.dll" );
fp1 = GetProcAddress( hlib16, PASS_WORD_AS_POINTER( 1 ) );
fp2 = GetProcAddress( hlib16, PASS_WORD_AS_POINTER( 2 ) );
hIndira = GetIndirectFunctionHandle( fp1, INDIR_WORD,
INDIR_DWORD, INDIR_WORD, INDIR_WORD,
INDIR_DWORD, INDIR_ENDLIST );
hIndirb = GetIndirectFunctionHandle( fp2, INDIR_CDECL, INDIR_WORD,
INDIR_DWORD, INDIR_WORD, INDIR_WORD,
INDIR_DWORD, INDIR_ENDLIST );
cb = InvokeIndirectFunction( hIndira,
0x1, 0x11110000, 0x1100, 0x10,
0x22222222 );
#ifdef __cplusplus
{
ostrstream sout( buf, sizeof( buf ) );
sout << "RC = " << hex << cb << ends;
MessageBox( NULL, sout.str(), "Gen32", MB_OK | MB_TASKMODAL );
}
#else
sprintf( buf, "RC = %lx", cb );
MessageBox( NULL, buf, "Gen32", MB_OK | MB_TASKMODAL );
#endif
cb = InvokeIndirectFunction( hIndirb,
0x1, 0x11110000, 0x1100, 0x10,
0x22222222 );
#ifdef __cplusplus
{
ostrstream sout( buf, sizeof( buf ) );
sout << "RC (cdecl) = " << hex << cb << ends;
MessageBox( NULL, sout.str(), "Gen32", MB_OK | MB_TASKMODAL );
}
#else
sprintf( buf, "RC (cdecl) = %lx", cb );
MessageBox( NULL, buf, "Gen32", MB_OK | MB_TASKMODAL );
#endif
FreeLibrary( hlib16 );
#endif
/*
* 32-bit DLL test
*/
hlib32 = LoadLibrary( "dll32.dll" );
fp = GetProcAddress( hlib32, "Win386LibEntry" );
fpWEP = GetProcAddress( hlib32, "WEP" );
hIndir1 = GetIndirectFunctionHandle( fp, INDIR_WORD, INDIR_DWORD,
INDIR_WORD, INDIR_WORD, INDIR_ENDLIST );
hIndir2 = GetIndirectFunctionHandle( fp, INDIR_DWORD, INDIR_WORD,
INDIR_WORD, INDIR_ENDLIST );
hIndir3 = GetIndirectFunctionHandle( fp, INDIR_PTR, INDIR_WORD, INDIR_WORD,
INDIR_DWORD, INDIR_WORD, INDIR_DWORD, INDIR_WORD, INDIR_ENDLIST );
hIndirWEP = GetIndirectFunctionHandle( fpWEP, INDIR_WORD,
INDIR_ENDLIST );
cb = InvokeIndirectFunction( hIndir1, 0x666, 0x77777111, 0x6969, DLL_1 );
#ifdef __cplusplus
{
ostrstream sout( buf, sizeof( buf ) );
sout << "RC1 = " << hex << cb << ends;
MessageBox( NULL, sout.str(), "Gen32", MB_OK | MB_TASKMODAL );
}
#else
sprintf( buf, "RC1 = %lx", cb );
MessageBox( NULL, buf, "Gen32", MB_OK | MB_TASKMODAL );
#endif
cb = InvokeIndirectFunction( hIndir2, 0x12345678, 0x8888, DLL_2 );
#ifdef __cplusplus
{
ostrstream sout( buf, sizeof( buf ) );
sout << "RC2 = " << hex << cb << ends;
MessageBox( NULL, sout.str(), "Gen32", MB_OK | MB_TASKMODAL );
}
#else
sprintf( buf, "RC2 = %lx", cb );
MessageBox( NULL, buf, "Gen32", MB_OK | MB_TASKMODAL );
#endif
cb = InvokeIndirectFunction( hIndir3, "A Test String", 1, 2,
0xabcddcba, 3, 0x12344321, DLL_3 );
#ifdef __cplusplus
{
ostrstream sout( buf, sizeof( buf ) );
sout << "RC3 = " << hex << cb << ends;
MessageBox( NULL, sout.str(), "Gen32", MB_OK | MB_TASKMODAL );
}
#else
sprintf( buf, "RC3 = %lx", cb );
MessageBox( NULL, buf, "Gen32", MB_OK | MB_TASKMODAL );
#endif
/*
* this function call invokes the Supervisor WEP function
*/
cb = InvokeIndirectFunction( hIndirWEP, 1 );
#ifdef __cplusplus
{
ostrstream sout( buf, sizeof( buf ) );
sout << "RC WEP = " << hex << cb << ends;
MessageBox( NULL, sout.str(), "Gen32", MB_OK | MB_TASKMODAL );
}
#else
sprintf( buf, "RC WEP = %lx", cb );
MessageBox( NULL, buf, "Gen32", MB_OK | MB_TASKMODAL );
#endif
FreeLibrary( hlib32 );
return( 0 );
}