nuttx/libs/libc/queue/sq_rem.c
Alin Jerpelea d6b50a1d3f libs: nxstyle fixes
nxstyle fixes to pass the CI checks

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-03-03 18:52:53 -08:00

66 lines
2.1 KiB
C

/****************************************************************************
* libs/libc/queue/sq_rem.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <queue.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: sq_rem
*
* Description:
* sq_rem removes a 'node' for 'queue.'
*
****************************************************************************/
void sq_rem(FAR sq_entry_t *node, sq_queue_t *queue)
{
if (queue->head && node)
{
if (node == queue->head)
{
queue->head = node->flink;
if (node == queue->tail)
{
queue->tail = NULL;
}
}
else
{
FAR sq_entry_t *prev;
for (prev = (FAR sq_entry_t *)queue->head;
prev && prev->flink != node;
prev = prev->flink);
if (prev)
{
sq_remafter(prev, queue);
}
}
}
}