diff options
Diffstat (limited to 'nuttx/lib/queue/sq_remlast.c')
-rw-r--r-- | nuttx/lib/queue/sq_remlast.c | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/nuttx/lib/queue/sq_remlast.c b/nuttx/lib/queue/sq_remlast.c deleted file mode 100644 index 92cdbde98..000000000 --- a/nuttx/lib/queue/sq_remlast.c +++ /dev/null @@ -1,87 +0,0 @@ -/************************************************************ - * lib/queue/sq_remlast.c - * - * Copyright (C) 2007, 2011 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ************************************************************/ - -/************************************************************ - * Compilation Switches - ************************************************************/ - -/************************************************************ - * Included Files - ************************************************************/ - -#include <queue.h> - -/************************************************************ - * Public Functions - ************************************************************/ - -/************************************************************ - * Name: sq_remlast - * - * Description: - * Removes the last entry in a singly-linked queue. - * - ************************************************************/ - -FAR sq_entry_t *sq_remlast(sq_queue_t *queue) -{ - FAR sq_entry_t *ret = queue->tail; - - if (ret) - { - if (queue->head == queue->tail) - { - queue->head = NULL; - queue->tail = NULL; - } - else - { - FAR sq_entry_t *prev; - for(prev = queue->head; - prev && prev->flink != ret; - prev = prev->flink); - - if (prev) - { - prev->flink = NULL; - queue->tail = prev; - } - } - - ret->flink = NULL; - } - - return ret; -} |