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midimap: Obey the size parameter in GetDevCaps.

oldstable
Jörg Höhle 2010-02-10 08:55:00 +01:00 committed by Alexandre Julliard
parent 8f63f180c9
commit 788d8720e7
1 changed files with 9 additions and 11 deletions
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20
dlls/midimap/midimap.c
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@ -448,18 +448,16 @@ static DWORD modSetVolume(MIDIMAPDATA* mom, DWORD dwVolume)
static DWORD modGetDevCaps(UINT wDevID, MIDIMAPDATA* mom, LPMIDIOUTCAPSW lpMidiCaps, DWORD_PTR size)
{
static const WCHAR name[] = {'W','i','n','e',' ','m','i','d','i',' ','m','a','p','p','e','r',0};
lpMidiCaps->wMid = 0x00FF;
lpMidiCaps->wPid = 0x0001;
lpMidiCaps->vDriverVersion = 0x0100;
lstrcpyW(lpMidiCaps->szPname, name);
lpMidiCaps->wTechnology = MOD_MAPPER;
lpMidiCaps->wVoices = 0;
lpMidiCaps->wNotes = 0;
lpMidiCaps->wChannelMask = 0xFFFF;
/* Native returns volume caps of underlying device | MIDICAPS_STREAM */
lpMidiCaps->dwSupport = MIDICAPS_VOLUME|MIDICAPS_LRVOLUME;
static const MIDIOUTCAPSW mappercaps = {
0x00FF, 0x0001, 0x0100, /* Manufacturer and Product ID */
{'W','i','n','e',' ','m','i','d','i',' ','m','a','p','p','e','r',0},
MOD_MAPPER, 0, 0, 0xFFFF,
/* Native returns volume caps of underlying device + MIDICAPS_STREAM */
MIDICAPS_VOLUME|MIDICAPS_LRVOLUME
};
if (lpMidiCaps == NULL) return MMSYSERR_INVALPARAM;
memcpy(lpMidiCaps, &mappercaps, min(size, sizeof(*lpMidiCaps)));
return MMSYSERR_NOERROR;
}