misc/toolhelp.c

   1 /*
   2  * Misc Toolhelp functions
   3  *
   4  * Copyright 1996 Marcus Meissner
   5  */
   6
   7 #include <stdlib.h>
   8 #include <stdio.h>
   9 #include <string.h>
  10 #include <unistd.h>
  11 #include <ctype.h>
  12 #include "windows.h"
  13 #include "win.h"
  14 #include "toolhelp.h"
  15 #include "stddebug.h"
  16 #include "debug.h"
  17 #include "xmalloc.h"
  18
  19 /* FIXME: to make this working, we have to callback all these registered
  20  * functions from all over the WINE code. Someone with more knowledge than
  21  * me please do that. -Marcus
  22  */
  23 static struct notify
  24 {
  25     HTASK    htask;
  26     FARPROC16 lpfnCallback;
  27     WORD     wFlags;
  28 } *notifys = NULL;
  29
  30 static int nrofnotifys = 0;
  31
  32 BOOL16 NotifyRegister( HTASK16 htask, FARPROC16 lpfnCallback, WORD wFlags )
  33 {
  34     int i;
  35
  36     dprintf_toolhelp( stddeb, "NotifyRegister(%x,%lx,%x) called.\n",
  37                       htask, (DWORD)lpfnCallback, wFlags );
  38     for (i=0;i<nrofnotifys;i++)
  39         if (notifys[i].htask==htask)
  40             break;
  41     if (i==nrofnotifys) {
  42         if (notifys==NULL)
  43             notifys=(struct notify*)xmalloc(sizeof(struct notify));
  44         else
  45             notifys=(struct notify*)xrealloc(notifys,sizeof(struct notify)*(nrofnotifys+1));
  46         nrofnotifys++;
  47     }
  48     notifys[i].htask=htask;
  49     notifys[i].lpfnCallback=lpfnCallback;
  50     notifys[i].wFlags=wFlags;
  51     return TRUE;
  52 }
  53
  54 BOOL
  55 NotifyUnregister(HTASK htask)
  56 {
  57     int i;
  58
  59     dprintf_toolhelp( stddeb, "NotifyUnregister(%x) called.\n", htask );
  60     for (i=nrofnotifys;i--;)
  61         if (notifys[i].htask==htask)
  62             break;
  63     if (i==-1)
  64         return FALSE;
  65     memcpy(notifys+i,notifys+(i+1),sizeof(struct notify)*(nrofnotifys-i-1));
  66     notifys=(struct notify*)xrealloc(notifys,(nrofnotifys-1)*sizeof(struct notify));
  67     nrofnotifys--;
  68     return TRUE;
  69 }