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Only copy number of bytes specified up to size of DevCaps structure.

This commit is contained in:
Robert Reif 2004-08-11 18:48:46 +00:00 committed by Alexandre Julliard
parent 9719aace66
commit 17a8372302
1 changed files with 9 additions and 6 deletions
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15
dlls/winmm/wineoss/mixer.c
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@ -395,19 +395,22 @@ static BOOL MIX_SetRecSrc(struct mixer* mix, unsigned mask)
static DWORD MIX_GetDevCaps(WORD wDevID, LPMIXERCAPSA lpCaps, DWORD dwSize)
{
struct mixer* mix;
MIXERCAPSA capsA;
TRACE("(%04X, %p, %lu);\n", wDevID, lpCaps, dwSize);
if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
if (!(mix = MIX_Get(wDevID))) return MMSYSERR_BADDEVICEID;
lpCaps->wMid = WINE_MIXER_MANUF_ID;
lpCaps->wPid = WINE_MIXER_PRODUCT_ID;
lpCaps->vDriverVersion = WINE_MIXER_VERSION;
strcpy(lpCaps->szPname, WINE_MIXER_NAME);
capsA.wMid = WINE_MIXER_MANUF_ID;
capsA.wPid = WINE_MIXER_PRODUCT_ID;
capsA.vDriverVersion = WINE_MIXER_VERSION;
strcpy(capsA.szPname, WINE_MIXER_NAME);
lpCaps->cDestinations = 2; /* speakers & record */
lpCaps->fdwSupport = 0; /* No bits defined yet */
capsA.cDestinations = 2; /* speakers & record */
capsA.fdwSupport = 0; /* No bits defined yet */
memcpy(lpCaps, &capsA, min(dwSize, sizeof(capsA)));
return MMSYSERR_NOERROR;
}