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Better function parameter checking.

oldstable
Robert Reif 2004-05-03 20:09:42 +00:00 committed by Alexandre Julliard
parent 2f0a4ac46d
commit 445fc35e20
3 changed files with 64 additions and 25 deletions
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65
dlls/msacm/driver.c
View File

@ -132,29 +132,38 @@ MMRESULT WINAPI acmDriverDetailsA(HACMDRIVERID hadid, PACMDRIVERDETAILSA padd, D
MMRESULT mmr;
ACMDRIVERDETAILSW addw;
if (!padd)
return MMSYSERR_INVALPARAM;
if (padd->cbStruct < 4)
return MMSYSERR_INVALPARAM;
addw.cbStruct = sizeof(addw);
mmr = acmDriverDetailsW(hadid, &addw, fdwDetails);
if (mmr == 0) {
padd->fccType = addw.fccType;
padd->fccComp = addw.fccComp;
padd->wMid = addw.wMid;
padd->wPid = addw.wPid;
padd->vdwACM = addw.vdwACM;
padd->vdwDriver = addw.vdwDriver;
padd->fdwSupport = addw.fdwSupport;
padd->cFormatTags = addw.cFormatTags;
padd->cFilterTags = addw.cFilterTags;
padd->hicon = addw.hicon;
WideCharToMultiByte( CP_ACP, 0, addw.szShortName, -1, padd->szShortName,
sizeof(padd->szShortName), NULL, NULL );
WideCharToMultiByte( CP_ACP, 0, addw.szLongName, -1, padd->szLongName,
sizeof(padd->szLongName), NULL, NULL );
WideCharToMultiByte( CP_ACP, 0, addw.szCopyright, -1, padd->szCopyright,
sizeof(padd->szCopyright), NULL, NULL );
WideCharToMultiByte( CP_ACP, 0, addw.szLicensing, -1, padd->szLicensing,
sizeof(padd->szLicensing), NULL, NULL );
WideCharToMultiByte( CP_ACP, 0, addw.szFeatures, -1, padd->szFeatures,
sizeof(padd->szFeatures), NULL, NULL );
ACMDRIVERDETAILSA padda;
padda.fccType = addw.fccType;
padda.fccComp = addw.fccComp;
padda.wMid = addw.wMid;
padda.wPid = addw.wPid;
padda.vdwACM = addw.vdwACM;
padda.vdwDriver = addw.vdwDriver;
padda.fdwSupport = addw.fdwSupport;
padda.cFormatTags = addw.cFormatTags;
padda.cFilterTags = addw.cFilterTags;
padda.hicon = addw.hicon;
WideCharToMultiByte( CP_ACP, 0, addw.szShortName, -1, padda.szShortName,
sizeof(padda.szShortName), NULL, NULL );
WideCharToMultiByte( CP_ACP, 0, addw.szLongName, -1, padda.szLongName,
sizeof(padda.szLongName), NULL, NULL );
WideCharToMultiByte( CP_ACP, 0, addw.szCopyright, -1, padda.szCopyright,
sizeof(padda.szCopyright), NULL, NULL );
WideCharToMultiByte( CP_ACP, 0, addw.szLicensing, -1, padda.szLicensing,
sizeof(padda.szLicensing), NULL, NULL );
WideCharToMultiByte( CP_ACP, 0, addw.szFeatures, -1, padda.szFeatures,
sizeof(padda.szFeatures), NULL, NULL );
memcpy(padd, &padda, min(padd->cbStruct, sizeof(*padd)));
}
return mmr;
}
@ -167,14 +176,22 @@ MMRESULT WINAPI acmDriverDetailsW(HACMDRIVERID hadid, PACMDRIVERDETAILSW padd, D
HACMDRIVER acmDrvr;
MMRESULT mmr;
if (!padd)
return MMSYSERR_INVALPARAM;
if (padd->cbStruct < 4)
return MMSYSERR_INVALPARAM;
if (fdwDetails)
return MMSYSERR_INVALFLAG;
mmr = acmDriverOpen(&acmDrvr, hadid, 0);
if (mmr == MMSYSERR_NOERROR) {
mmr = (MMRESULT)MSACM_Message(acmDrvr, ACMDM_DRIVER_DETAILS, (LPARAM)padd, 0);
ACMDRIVERDETAILSW paddw;
mmr = (MMRESULT)MSACM_Message(acmDrvr, ACMDM_DRIVER_DETAILS, (LPARAM)&paddw, 0);
acmDriverClose(acmDrvr, 0);
memcpy(padd, &paddw, min(padd->cbStruct, sizeof(*padd)));
}
return mmr;
@ -216,9 +233,6 @@ MMRESULT WINAPI acmDriverID(HACMOBJ hao, PHACMDRIVERID phadid, DWORD fdwDriverID
{
PWINE_ACMOBJ pao;
if (!phadid)
return MMSYSERR_INVALPARAM;
if (fdwDriverID)
return MMSYSERR_INVALFLAG;
@ -226,6 +240,9 @@ MMRESULT WINAPI acmDriverID(HACMOBJ hao, PHACMDRIVERID phadid, DWORD fdwDriverID
if (!pao)
return MMSYSERR_INVALHANDLE;
if (!phadid)
return MMSYSERR_INVALPARAM;
*phadid = (HACMDRIVERID) pao->pACMDriverID;
return MMSYSERR_NOERROR;

12
dlls/msacm/format.c
View File

@ -411,6 +411,12 @@ MMRESULT WINAPI acmFormatEnumA(HACMDRIVER had, PACMFORMATDETAILSA pafda,
ACMFORMATDETAILSW afdw;
struct MSACM_FormatEnumWtoA_Instance afei;
if (!pafda)
return MMSYSERR_INVALPARAM;
if (pafda->cbStruct < sizeof(*pafda))
return MMSYSERR_INVALPARAM;
memset(&afdw, 0, sizeof(afdw));
afdw.cbStruct = sizeof(afdw);
afdw.dwFormatIndex = pafda->dwFormatIndex;
@ -489,7 +495,11 @@ MMRESULT WINAPI acmFormatEnumW(HACMDRIVER had, PACMFORMATDETAILSW pafd,
TRACE("(%p, %p, %p, %ld, %ld)\n",
had, pafd, fnCallback, dwInstance, fdwEnum);
if (pafd->cbStruct < sizeof(*pafd)) return MMSYSERR_INVALPARAM;
if (!pafd)
return MMSYSERR_INVALPARAM;
if (pafd->cbStruct < sizeof(*pafd))
return MMSYSERR_INVALPARAM;
if (fdwEnum & (ACM_FORMATENUMF_WFORMATTAG|ACM_FORMATENUMF_NCHANNELS|
ACM_FORMATENUMF_NSAMPLESPERSEC|ACM_FORMATENUMF_WBITSPERSAMPLE|

12
dlls/msacm/msacm32_main.c
View File

@ -120,6 +120,7 @@ MMRESULT WINAPI acmMetrics(HACMOBJ hao, UINT uMetric, LPVOID pMetric)
/* fall through */
case ACM_METRIC_COUNT_LOCAL_DRIVERS:
if (hao) return MMSYSERR_INVALHANDLE;
if (!pMetric) return MMSYSERR_INVALPARAM;
for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) && CheckLocal(padid))
val++;
@ -131,6 +132,7 @@ MMRESULT WINAPI acmMetrics(HACMOBJ hao, UINT uMetric, LPVOID pMetric)
/* fall through */
case ACM_METRIC_COUNT_LOCAL_CODECS:
if (hao) return MMSYSERR_INVALHANDLE;
if (!pMetric) return MMSYSERR_INVALPARAM;
for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) &&
(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_CODEC) &&
@ -144,6 +146,7 @@ MMRESULT WINAPI acmMetrics(HACMOBJ hao, UINT uMetric, LPVOID pMetric)
/* fall through */
case ACM_METRIC_COUNT_LOCAL_CONVERTERS:
if (hao) return MMSYSERR_INVALHANDLE;
if (!pMetric) return MMSYSERR_INVALPARAM;
for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) &&
(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_CONVERTER) &&
@ -157,6 +160,7 @@ MMRESULT WINAPI acmMetrics(HACMOBJ hao, UINT uMetric, LPVOID pMetric)
/* fall through */
case ACM_METRIC_COUNT_LOCAL_FILTERS:
if (hao) return MMSYSERR_INVALHANDLE;
if (!pMetric) return MMSYSERR_INVALPARAM;
for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) &&
(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_FILTER) &&
@ -170,6 +174,7 @@ MMRESULT WINAPI acmMetrics(HACMOBJ hao, UINT uMetric, LPVOID pMetric)
/* fall through */
case ACM_METRIC_COUNT_LOCAL_DISABLED:
if (hao) return MMSYSERR_INVALHANDLE;
if (!pMetric) return MMSYSERR_INVALPARAM;
for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
if ((padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) && CheckLocal(padid))
val++;
@ -204,10 +209,17 @@ MMRESULT WINAPI acmMetrics(HACMOBJ hao, UINT uMetric, LPVOID pMetric)
} else {
return MMSYSERR_INVALHANDLE;
}
if (!pMetric) return MMSYSERR_INVALPARAM;
*(LPDWORD)pMetric = val;
break;
case ACM_METRIC_COUNT_HARDWARE:
if (hao) return MMSYSERR_INVALHANDLE;
if (!pMetric) return MMSYSERR_INVALPARAM;
*(LPDWORD)pMetric = 0;
FIXME("ACM_METRIC_COUNT_HARDWARE not implemented\n");
break;
case ACM_METRIC_HARDWARE_WAVE_INPUT:
case ACM_METRIC_HARDWARE_WAVE_OUTPUT:
case ACM_METRIC_MAX_SIZE_FILTER: