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- Converted HHOOK to a void*. 

- Changed the internal HOOK_* functions to pass only HHOOK's between
  them.
- Fixed wrong HHOOK <-> HANDLE16 conversions.
This commit is contained in:
Michael Stefaniuc 2002-07-28 17:42:05 +00:00 committed by Alexandre Julliard
parent 98acc0fcbf
commit 37553b7a13
3 changed files with 54 additions and 55 deletions
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2
dlls/shell32/shell.c
View File

@ -494,7 +494,7 @@ LRESULT WINAPI ShellHookProc16(INT16 code, WPARAM16 wParam, LPARAM lParam)
}
PostMessageA( SHELL_hWnd, uMsg, wParam, 0 );
}
return CallNextHookEx16( WH_SHELL, code, wParam, lParam );
return CallNextHookEx16( SHELL_hHook, code, wParam, lParam );
}
/*************************************************************************

2
include/windef.h
View File

@ -79,7 +79,7 @@ DECLARE_OLD_HANDLE(HDC);
DECLARE_HANDLE(HDESK);
DECLARE_OLD_HANDLE(HENHMETAFILE);
DECLARE_OLD_HANDLE(HFONT);
DECLARE_OLD_HANDLE(HHOOK);
DECLARE_HANDLE(HHOOK);
DECLARE_OLD_HANDLE(HICON);
DECLARE_OLD_HANDLE(HINSTANCE);
DECLARE_OLD_HANDLE(HKEY);

105
windows/hook.c
View File

@ -61,6 +61,8 @@ typedef struct
#include "poppack.h"
#define HOOK_MAGIC ((int)'H' | (int)'K' << 8) /* 'HK' */
#define HHOOK_32(h) ((HHOOK)(h ? MAKELONG(h, HOOK_MAGIC) : 0))
#define HHOOK_16(h) ((HANDLE16)((HIWORD(h) == HOOK_MAGIC) ? LOWORD(h) : 0))
/* This should probably reside in USER heap */
static HANDLE16 HOOK_systemHooks[WH_NB_HOOKS] = { 0, };
@ -590,16 +592,16 @@ inline static LRESULT call_hook( HOOKDATA *data, INT fromtype, INT code,
*
* Get the next hook of a given hook.
*/
static HANDLE16 HOOK_GetNextHook( HANDLE16 hook )
static HHOOK HOOK_GetNextHook( HHOOK hook )
{
HOOKDATA *data = (HOOKDATA *)USER_HEAP_LIN_ADDR( hook );
HOOKDATA *data = (HOOKDATA *)USER_HEAP_LIN_ADDR(HHOOK_16(hook));
if (!data || !hook) return 0;
if (data->next) return data->next;
if (data->next) return HHOOK_32(data->next);
if (!data->ownerQueue) return 0; /* Already system hook */
/* Now start enumerating the system hooks */
return HOOK_systemHooks[data->id - WH_MINHOOK];
return HHOOK_32(HOOK_systemHooks[data->id - WH_MINHOOK]);
}
@ -608,15 +610,15 @@ static HANDLE16 HOOK_GetNextHook( HANDLE16 hook )
*
* Get the first hook for a given type.
*/
static HANDLE16 HOOK_GetHook( INT16 id )
static HHOOK HOOK_GetHook( INT16 id )
{
MESSAGEQUEUE *queue;
HANDLE16 hook = 0;
HANDLE16 handle = 0;
if ((queue = QUEUE_Current()) != NULL)
hook = queue->hooks[id - WH_MINHOOK];
if (!hook) hook = HOOK_systemHooks[id - WH_MINHOOK];
return hook;
handle = queue->hooks[id - WH_MINHOOK];
if (!handle) handle = HOOK_systemHooks[id - WH_MINHOOK];
return HHOOK_32(handle);
}
@ -677,7 +679,7 @@ static HHOOK HOOK_SetHook( INT16 id, LPVOID proc, INT type,
TRACE("Setting hook %d: ret=%04x [next=%04x]\n",
id, handle, data->next );
return (HHOOK)( handle? MAKELONG( handle, HOOK_MAGIC ) : 0 );
return HHOOK_32(handle);
}
@ -686,14 +688,14 @@ static HHOOK HOOK_SetHook( INT16 id, LPVOID proc, INT type,
*
* Remove a hook from the list.
*/
static BOOL HOOK_RemoveHook( HANDLE16 hook )
static BOOL HOOK_RemoveHook( HHOOK hook )
{
HOOKDATA *data;
HANDLE16 *prevHook;
HANDLE16 *prevHandle;
TRACE("Removing hook %04x\n", hook );
if (!(data = (HOOKDATA *)USER_HEAP_LIN_ADDR(hook))) return FALSE;
if (!(data = (HOOKDATA *)USER_HEAP_LIN_ADDR(HHOOK_16(hook)))) return FALSE;
if (data->flags & HOOK_INUSE)
{
/* Mark it for deletion later on */
@ -710,18 +712,18 @@ static BOOL HOOK_RemoveHook( HANDLE16 hook )
{
MESSAGEQUEUE *queue = (MESSAGEQUEUE *)QUEUE_Lock( data->ownerQueue );
if (!queue) return FALSE;
prevHook = &queue->hooks[data->id - WH_MINHOOK];
prevHandle = &queue->hooks[data->id - WH_MINHOOK];
QUEUE_Unlock( queue );
}
else prevHook = &HOOK_systemHooks[data->id - WH_MINHOOK];
else prevHandle = &HOOK_systemHooks[data->id - WH_MINHOOK];
while (*prevHook && *prevHook != hook)
prevHook = &((HOOKDATA *)USER_HEAP_LIN_ADDR(*prevHook))->next;
while (*prevHandle && *prevHandle != HHOOK_16(hook))
prevHandle = &((HOOKDATA *)USER_HEAP_LIN_ADDR(*prevHandle))->next;
if (!*prevHook) return FALSE;
*prevHook = data->next;
if (!*prevHandle) return FALSE;
*prevHandle = data->next;
USER_HEAP_FREE( hook );
USER_HEAP_FREE(HHOOK_16(hook));
return TRUE;
}
@ -729,15 +731,15 @@ static BOOL HOOK_RemoveHook( HANDLE16 hook )
/***********************************************************************
* HOOK_FindValidHook
*/
static HANDLE16 HOOK_FindValidHook( HANDLE16 hook )
static HHOOK HOOK_FindValidHook( HHOOK hook )
{
HOOKDATA *data;
for (;;)
{
if (!(data = (HOOKDATA *)USER_HEAP_LIN_ADDR(hook))) return 0;
if (!(data = (HOOKDATA *)USER_HEAP_LIN_ADDR(HHOOK_16(hook)))) return 0;
if (data->proc) return hook;
hook = data->next;
hook = HHOOK_32(data->next);
}
}
@ -746,17 +748,17 @@ static HANDLE16 HOOK_FindValidHook( HANDLE16 hook )
*
* Call a hook procedure.
*/
static LRESULT HOOK_CallHook( HANDLE16 hook, INT fromtype, INT code,
static LRESULT HOOK_CallHook( HHOOK hook, INT fromtype, INT code,
WPARAM wParam, LPARAM lParam )
{
MESSAGEQUEUE *queue;
HANDLE16 prevHook;
HOOKDATA *data = (HOOKDATA *)USER_HEAP_LIN_ADDR(hook);
HANDLE16 prevHandle;
HOOKDATA *data = (HOOKDATA *)USER_HEAP_LIN_ADDR(HHOOK_16(hook));
LRESULT ret;
if (!(queue = QUEUE_Current())) return 0;
prevHook = queue->hCurHook;
queue->hCurHook = hook;
prevHandle = queue->hCurHook;
queue->hCurHook = HHOOK_16(hook);
TRACE("Calling hook %04x: %d %08x %08lx\n", hook, code, wParam, lParam );
@ -766,7 +768,7 @@ static LRESULT HOOK_CallHook( HANDLE16 hook, INT fromtype, INT code,
TRACE("Ret hook %04x = %08lx\n", hook, ret );
queue->hCurHook = prevHook;
queue->hCurHook = prevHandle;
if (!data->proc) HOOK_RemoveHook( hook );
return ret;
}
@ -794,7 +796,7 @@ BOOL HOOK_IsHooked( INT16 id )
LRESULT HOOK_CallHooks16( INT16 id, INT16 code, WPARAM16 wParam,
LPARAM lParam )
{
HANDLE16 hook;
HHOOK hook;
if (!(hook = HOOK_GetHook( id ))) return 0;
if (!(hook = HOOK_FindValidHook(hook))) return 0;
@ -809,7 +811,7 @@ LRESULT HOOK_CallHooks16( INT16 id, INT16 code, WPARAM16 wParam,
LRESULT HOOK_CallHooksA( INT id, INT code, WPARAM wParam,
LPARAM lParam )
{
HANDLE16 hook;
HHOOK hook;
if (!(hook = HOOK_GetHook( id ))) return 0;
if (!(hook = HOOK_FindValidHook(hook))) return 0;
@ -824,7 +826,7 @@ LRESULT HOOK_CallHooksA( INT id, INT code, WPARAM wParam,
LRESULT HOOK_CallHooksW( INT id, INT code, WPARAM wParam,
LPARAM lParam )
{
HANDLE16 hook;
HHOOK hook;
if (!(hook = HOOK_GetHook( id ))) return 0;
if (!(hook = HOOK_FindValidHook(hook))) return 0;
@ -841,24 +843,24 @@ void HOOK_FreeModuleHooks( HMODULE16 hModule )
/* remove all system hooks registered by this module */
HOOKDATA* hptr;
HHOOK hook, next;
HANDLE16 handle, next;
int id;
for( id = WH_MINHOOK; id <= WH_MAXHOOK; id++ )
{
hook = HOOK_systemHooks[id - WH_MINHOOK];
while( hook )
if( (hptr = (HOOKDATA *)USER_HEAP_LIN_ADDR(hook)) )
handle = HOOK_systemHooks[id - WH_MINHOOK];
while( handle )
if( (hptr = (HOOKDATA *)USER_HEAP_LIN_ADDR(handle)) )
{
next = hptr->next;
if( hptr->ownerModule == hModule )
{
hptr->flags &= HOOK_MAPTYPE;
HOOK_RemoveHook(hook);
HOOK_RemoveHook(HHOOK_32(handle));
}
hook = next;
handle = next;
}
else hook = 0;
else handle = 0;
}
}
@ -880,7 +882,7 @@ void HOOK_FreeQueueHooks(void)
{
next = HOOK_GetNextHook(hook);
hptr = (HOOKDATA *)USER_HEAP_LIN_ADDR(hook);
hptr = (HOOKDATA *)USER_HEAP_LIN_ADDR(HHOOK_16(hook));
if( hptr && hptr->ownerQueue )
{
hptr->flags &= HOOK_MAPTYPE;
@ -969,13 +971,13 @@ BOOL16 WINAPI UnhookWindowsHook16( INT16 id, HOOKPROC16 proc )
*/
BOOL WINAPI UnhookWindowsHook( INT id, HOOKPROC proc )
{
HANDLE16 hook = HOOK_GetHook( id );
HHOOK hook = HOOK_GetHook( id );
TRACE("%d %08lx\n", id, (DWORD)proc );
while (hook)
{
HOOKDATA *data = (HOOKDATA *)USER_HEAP_LIN_ADDR(hook);
HOOKDATA *data = (HOOKDATA *)USER_HEAP_LIN_ADDR(HHOOK_16(hook));
if (data->proc == proc) break;
hook = HOOK_GetNextHook( hook );
}
@ -989,7 +991,7 @@ BOOL WINAPI UnhookWindowsHook( INT id, HOOKPROC proc )
*/
BOOL16 WINAPI UnhookWindowsHookEx16( HHOOK hhook )
{
return UnhookWindowsHookEx( hhook );
return HOOK_RemoveHook(hhook);
}
/***********************************************************************
@ -997,8 +999,7 @@ BOOL16 WINAPI UnhookWindowsHookEx16( HHOOK hhook )
*/
BOOL WINAPI UnhookWindowsHookEx( HHOOK hhook )
{
if (HIWORD(hhook) != HOOK_MAGIC) return FALSE; /* Not a new format hook */
return HOOK_RemoveHook( LOWORD(hhook) );
return HOOK_RemoveHook(hhook);
}
@ -1012,10 +1013,9 @@ BOOL WINAPI UnhookWindowsHookEx( HHOOK hhook )
LRESULT WINAPI CallNextHookEx16( HHOOK hhook, INT16 code, WPARAM16 wParam,
LPARAM lParam )
{
HANDLE16 next;
HHOOK next;
if (HIWORD(hhook) != HOOK_MAGIC) return 0; /* Not a new format hook */
if (!(next = HOOK_GetNextHook( LOWORD(hhook) ))) return 0;
if (!(next = HOOK_GetNextHook(hhook))) return 0;
return HOOK_CallHook( next, HOOK_WIN16, code, wParam, lParam );
}
@ -1029,14 +1029,13 @@ LRESULT WINAPI CallNextHookEx16( HHOOK hhook, INT16 code, WPARAM16 wParam,
LRESULT WINAPI CallNextHookEx( HHOOK hhook, INT code, WPARAM wParam,
LPARAM lParam )
{
HANDLE16 next;
HHOOK next;
INT fromtype; /* figure out Ansi/Unicode */
HOOKDATA *oldhook;
if (HIWORD(hhook) != HOOK_MAGIC) return 0; /* Not a new format hook */
if (!(next = HOOK_GetNextHook( LOWORD(hhook) ))) return 0;
if (!(next = HOOK_GetNextHook(hhook))) return 0;
oldhook = (HOOKDATA *)USER_HEAP_LIN_ADDR( LOWORD(hhook) );
oldhook = (HOOKDATA *)USER_HEAP_LIN_ADDR(HHOOK_16(hhook));
fromtype = oldhook->flags & HOOK_MAPTYPE;
if (fromtype == HOOK_WIN16)
@ -1057,7 +1056,7 @@ LRESULT WINAPI DefHookProc16( INT16 code, WPARAM16 wParam, LPARAM lParam,
MESSAGEQUEUE *queue;
if (!(queue = QUEUE_Current())) return 0;
return CallNextHookEx16( queue->hCurHook, code, wParam, lParam );
return CallNextHookEx16(HHOOK_32(queue->hCurHook), code, wParam, lParam);
}