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Only copy amount requested up to size of structure.

This commit is contained in:
Robert Reif 2003-10-27 22:01:01 +00:00 committed by Alexandre Julliard
parent 4824460772
commit 7d43722256
1 changed files with 10 additions and 8 deletions
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18
dlls/winmm/mmsystem.c
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@ -222,12 +222,14 @@ UINT16 WINAPI mixerGetDevCaps16(UINT16 devid, LPMIXERCAPS16 mixcaps,
UINT ret = mixerGetDevCapsA(devid, &micA, sizeof(micA));
if (ret == MMSYSERR_NOERROR) {
mixcaps->wMid = micA.wMid;
mixcaps->wPid = micA.wPid;
mixcaps->vDriverVersion = micA.vDriverVersion;
strcpy(mixcaps->szPname, micA.szPname);
mixcaps->fdwSupport = micA.fdwSupport;
mixcaps->cDestinations = micA.cDestinations;
MIXERCAPS16 mic16;
mic16.wMid = micA.wMid;
mic16.wPid = micA.wPid;
mic16.vDriverVersion = micA.vDriverVersion;
strcpy(mic16.szPname, micA.szPname);
mic16.fdwSupport = micA.fdwSupport;
mic16.cDestinations = micA.cDestinations;
memcpy(mixcaps, &mic16, min(size, sizeof(mic16)));
}
return ret;
}
@ -1208,7 +1210,7 @@ UINT16 WINAPI waveOutGetDevCaps16(UINT16 uDeviceID,
woc16.dwFormats = wocA.dwFormats;
woc16.wChannels = wocA.wChannels;
woc16.dwSupport = wocA.dwSupport;
memcpy(lpCaps, &woc16, uSize);
memcpy(lpCaps, &woc16, min(uSize, sizeof(woc16)));
}
return ret;
}
@ -1504,7 +1506,7 @@ UINT16 WINAPI waveInGetDevCaps16(UINT16 uDeviceID, LPWAVEINCAPS16 lpCaps,
strcpy(wic16.szPname, wicA.szPname);
wic16.dwFormats = wicA.dwFormats;
wic16.wChannels = wicA.wChannels;
memcpy(lpCaps, &wic16, uSize);
memcpy(lpCaps, &wic16, min(uSize, sizeof(wic16)));
}
return ret;
}