void win16_probe_for_wine() { /* Probing for WINE from the Win16 layer */
DWORD callw,retv;
if (!genthunk32_init()) return;
if (genthunk32w_ntdll == 0) return;
callw = __GetProcAddress32W(genthunk32w_ntdll,"wine_get_version");
if (callw == 0) return;
retv = __CallProcEx32W(CPEX_DEST_STDCALL/*nothing to convert*/,0/*0 param*/,callw);
if (retv == 0) return;
windows_emulation = WINEMU_WINE;
{
/* NTS: We assume that WINE, just like real Windows, will not move or relocate
* NTDLL.DLL and will not move the string it just returned. */
/* TODO: You need a function the host program can call to free the selector
* you allocated here, in case it wants to reclaim resources */
uint16_t sel;
uint16_t myds=0;
__asm mov myds,ds
sel = AllocSelector(myds);
if (sel != 0) {
/* the selector is directed at the string, then retained in this
* code as a direct FAR pointer to WINE's version string */
SetSelectorBase(sel,retv);
SetSelectorLimit(sel,0xFFF); /* WINE's version string is rarely longer than 14 chars */
windows_emulation_comment_str = MK_FP(sel,0);
}
}
}
void
_86_SetSelectorLimit (ENV *envp,LONGPROC f)
{
UINT uSel;
DWORD dwLimit;
uSel = (UINT)GETWORD(SP+8);
dwLimit = GETDWORD(SP+4);
SetSelectorLimit(uSel,dwLimit);
envp->reg.ax = 0;
envp->reg.dx = 0;
envp->reg.sp += UINT_86 + DWORD_86 + RET_86;
}
