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chenliming@kaihongdigi.com: 队列支持变长读操作 

Signed-off-by: chenliming <chenliming@kaihongdigi.com>
This commit is contained in:
chenliming 2022-03-22 18:36:24 +08:00
parent 4b6a6e806f
commit ec3c8be6ee
1 changed files with 2 additions and 3 deletions
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5
kernel/base/ipc/los_queue.c
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@ -223,6 +223,7 @@ STATIC VOID OsQueueBufferOperate(LosQueueCB *queueCB, UINT32 operateType, VOID *
PRINT_ERR("get msgdatasize failed\n");
return;
}
msgDataSize = (*bufferSize < msgDataSize) ? *bufferSize : msgDataSize;
if (memcpy_s(bufferAddr, *bufferSize, queueNode, msgDataSize) != EOK) {
PRINT_ERR("copy message to buffer failed\n");
return;
@ -249,9 +250,7 @@ STATIC UINT32 OsQueueOperateParamCheck(const LosQueueCB *queueCB, UINT32 queueID
return LOS_ERRNO_QUEUE_NOT_CREATE;
}
if (OS_QUEUE_IS_READ(operateType) && (*bufferSize < (queueCB->queueSize - sizeof(UINT32)))) {
return LOS_ERRNO_QUEUE_READ_SIZE_TOO_SMALL;
} else if (OS_QUEUE_IS_WRITE(operateType) && (*bufferSize > (queueCB->queueSize - sizeof(UINT32)))) {
if (OS_QUEUE_IS_WRITE(operateType) && (*bufferSize > (queueCB->queueSize - sizeof(UINT32)))) {
return LOS_ERRNO_QUEUE_WRITE_SIZE_TOO_BIG;
}
return LOS_OK;