summaryrefslogtreecommitdiff
path: root/sal/systools/win32/uwinapi/Uwinapi.h
blob: 63ca775bef67af4ac8ac5982acef2102fad85b19 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
#pragma once

#ifdef _UWINAPI_
#define _KERNEL32_
#define _USER32_
#define _SHELL32_
#endif

#include <windows.h>
#include <malloc.h>

#ifndef _UWINAPI_
EXTERN_C WINBASEAPI DWORD UWINAPI_dwFakedVersion;
#endif

EXTERN_C WINBASEAPI DWORD SetVersion( DWORD dwVersion );

/* Version macros */

#define MAKE_VER_WIN32( major, minor, build, isWindows ) \
((DWORD)MAKELONG( MAKEWORD( major, minor ), (build) | ( isWindows ? 0x8000 : 0 ) ))

#define MAKE_VER_WIN32_NT( major, minor, build ) \
    MAKE_VER_WIN32( major, minor, build, FALSE )

#define MAKE_VER_WIN32_WINDOWS( major, minor, build ) \
    MAKE_VER_WIN32( major, minor, build, TRUE )

#define VER_WIN32_WINDOWS_95	MAKE_VER_WIN32_WINDOWS( 4, 0, 0 )
#define VER_WIN32_WINDOWS_98	MAKE_VER_WIN32_WINDOWS( 4, 10, 0 )
#define VER_WIN32_WINDOWS_ME	MAKE_VER_WIN32_WINDOWS( 4, 90, 0 )
#define VER_WIN32_NT_NT4		MAKE_VER_WIN32_NT( 4, 0, 0 )
#define VER_WIN32_NT_2000		MAKE_VER_WIN32_NT( 5, 0, 0 )
#define VER_WIN32_NT_XP			MAKE_VER_WIN32_NT( 5, 1, 0 )


EXTERN_C WINBASEAPI LPSTR WINAPI lstrchrA( LPCSTR lpString, CHAR c );
EXTERN_C WINBASEAPI LPWSTR WINAPI lstrchrW( LPCWSTR lpString, WCHAR c );
EXTERN_C WINBASEAPI LPSTR WINAPI lstrrchrA( LPCSTR lpString, CHAR c );
EXTERN_C WINBASEAPI LPWSTR WINAPI lstrrchrW( LPCWSTR lpString, WCHAR c );

#ifdef UNICODE
#define lstrrchr	lstrrchrW
#define lstrchr		lstrchrW
#else
#define lstrrchr	lstrrchrA
#define lstrchr		lstrchrA
#endif

// macro that calculates the count of elements of a static array

#define bufsizeof(buf)	(sizeof(buf) / sizeof((buf)[0]))


#define IsValidHandle(Handle)	((DWORD)(Handle) + 1 > 1)

#ifdef __cplusplus

#define _AUTO_WSTR2STR( lpStrA, lpStrW ) \
LPSTR	lpStrA; \
if ( lpStrW ) \
{ \
    int	cNeeded = WideCharToMultiByte( CP_ACP, 0, lpStrW, -1, NULL, 0, NULL, NULL ); \
    lpStrA = (LPSTR)_alloca( cNeeded * sizeof(CHAR) ); \
    WideCharToMultiByte( CP_ACP, 0, lpStrW, -1, lpStrA, cNeeded, NULL, NULL ); \
} \
else \
    lpStrA = NULL;


#define AUTO_WSTR2STR( lpStr ) \
    _AUTO_WSTR2STR( lpStr##A, lpStr##W )

#define AUTO_STR( lpStr, cchBuffer ) \
LPSTR	lpStr##A = lpStr##W ? (LPSTR)_alloca( (cchBuffer) * sizeof(CHAR) ) : NULL;

#endif	// __cplusplus

#define STRBUF2WSTR( lpStr, cchSrcBuffer, cchDestBuffer ) \
    MultiByteToWideChar( CP_ACP, 0, lpStr##A, cchSrcBuffer, lpStr##W, cchDestBuffer )

#define STR2WSTR( lpStr, cchBuffer ) \
    STRBUF2WSTR( lpStr, -1, cchBuffer )

#define WSTR2STR( lpStr, cchBuffer ) \
    WideCharToMultiByte( CP_ACP, 0, lpStr##W, -1, lpStr##A, cchBuffer, NULL, NULL )

EXTERN_C void WINAPI ResolveThunk_WINDOWS( FARPROC *lppfn, LPCSTR lpLibFileName, LPCSTR lpFuncName, FARPROC lpfnEmulate, FARPROC lpfnFailure );
EXTERN_C void WINAPI ResolveThunk_TRYLOAD( FARPROC *lppfn, LPCSTR lpLibFileName, LPCSTR lpFuncName, FARPROC lpfnEmulate, FARPROC lpfnFailure );
EXTERN_C void WINAPI ResolveThunk_ALLWAYS( FARPROC *lppfn, LPCSTR lpLibFileName, LPCSTR lpFuncName, FARPROC lpfnEmulate, FARPROC lpfnFailure );




#define IMPLEMENT_THUNK( module, resolve, rettype, calltype, func, params ) \
EXTERN_C _declspec( dllexport ) FARPROC module##_##func##_Ptr; \
EXTERN_C rettype calltype func##_##resolve params; \
static rettype calltype func##_##Failure params; \
static _declspec ( naked ) func##_Thunk() \
{ \
    ResolveThunk_##resolve( &module##_##func##_Ptr, #module ".dll", #func, (FARPROC)func##_##resolve, (FARPROC)func##_##Failure ); \
    _asm	jmp	[module##_##func##_Ptr] \
} \
EXTERN_C _declspec( naked ) rettype calltype func params \
{ \
    _asm	jmp	[module##_##func##_Ptr] \
} \
EXTERN_C _declspec( dllexport ) FARPROC module##_##func##_Ptr = (FARPROC)func##_Thunk; \
static rettype calltype func##_##Failure params \
{ \
    SetLastError( ERROR_CALL_NOT_IMPLEMENTED ); \
    return (rettype)0; \
} \
EXTERN_C rettype calltype func##_##resolve params











#define DEFINE_CUSTOM_THUNK( module, resolve, rettype, calltype, func, params ) \
EXTERN_C _declspec( dllexport ) FARPROC module##_##func##_Ptr; \
static _declspec ( naked ) func##_Thunk() \
{ \
    ResolveThunk_##resolve( &module##_##func##_Ptr, #module ".dll", #func ); \
    _asm	jmp	[module##_##func##_Ptr] \
} \
EXTERN_C _declspec( naked ) rettype calltype func params \
{ \
    _asm	jmp	[module##_##func##_Ptr] \
} \
EXTERN_C _declspec( dllexport ) FARPROC module##_##func##_Ptr = (FARPROC)func##_Thunk;