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Update getInfo function

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Allow return value size to be 0. Do not modify return value size in case
of error.

Related-To: NEO-4368

Change-Id: I201e8ee7c23fcdc2712f6b04bedc71bf4ab64f06
Signed-off-by: Filip Hazubski <filip.hazubski@intel.com>
This commit is contained in:
Filip Hazubski
2020-05-18 16:13:59 +02:00
committed by sys_ocldev
parent 9131eeca09
commit 5eed521fe1
27 changed files with 296 additions and 114 deletions
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45
shared/source/helpers/get_info.h
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@@ -8,32 +8,45 @@
#pragma once
#include "get_info_status.h"
#include <cstring>
// Need for linux compatibility with memcpy_s
#include "shared/source/helpers/string.h"
#include <cstring>
#include <limits>
namespace GetInfo {
constexpr size_t invalidSourceSize = std::numeric_limits<size_t>::max();
inline GetInfoStatus getInfo(void *destParamValue, size_t destParamValueSize,
const void *srcParamValue, size_t srcParamValueSize) {
auto retVal = GetInfoStatus::INVALID_VALUE;
if (srcParamValue && srcParamValueSize) {
if (!destParamValue && !destParamValueSize) {
// Report ok if they're looking for size.
retVal = GetInfoStatus::SUCCESS;
} else if (destParamValue && destParamValueSize >= srcParamValueSize) {
// Report ok if we can copy safely
retVal = GetInfoStatus::SUCCESS;
memcpy_s(destParamValue, destParamValueSize, srcParamValue, srcParamValueSize);
} else if (!destParamValue) {
// Report ok if destParamValue == nullptr and destParamValueSize > 0
retVal = GetInfoStatus::SUCCESS;
}
if ((srcParamValue == nullptr) || (srcParamValueSize == invalidSourceSize)) {
return GetInfoStatus::INVALID_VALUE;
}
return retVal;
if ((srcParamValueSize == 0) || (destParamValue == nullptr)) {
// Report ok if there is nothing to copy or when only size is queried.
return GetInfoStatus::SUCCESS;
}
if (destParamValueSize < srcParamValueSize) {
return GetInfoStatus::INVALID_VALUE;
}
// Report ok if we can copy safely.
memcpy_s(destParamValue, destParamValueSize, srcParamValue, srcParamValueSize);
return GetInfoStatus::SUCCESS;
}
inline void setParamValueReturnSize(size_t *paramValueSizeRet, size_t newValue, GetInfoStatus getInfoStatus) {
if ((paramValueSizeRet != nullptr) && (getInfoStatus == GetInfoStatus::SUCCESS)) {
*paramValueSizeRet = newValue;
}
}
} // namespace GetInfo
struct GetInfoHelper {
GetInfoHelper(void *dst, size_t dstSize, size_t *retSize, GetInfoStatus *retVal = nullptr)
: dst(dst), dstSize(dstSize), retSize(retSize), retVal(retVal) {