diff options
Diffstat (limited to 'nuttx/libc/queue/dq_addbefore.c')
-rw-r--r-- | nuttx/libc/queue/dq_addbefore.c | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/nuttx/libc/queue/dq_addbefore.c b/nuttx/libc/queue/dq_addbefore.c deleted file mode 100644 index 3c403fc94..000000000 --- a/nuttx/libc/queue/dq_addbefore.c +++ /dev/null @@ -1,69 +0,0 @@ -/**************************************************************************** - * libc/queue/dq_addbefore.c - * - * Copyright (C) 2007, 2009, 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. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <queue.h> - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: dq_addbefore - * - * Description: - * dq_addbefore adds 'node' before 'next' in 'queue' - * - ****************************************************************************/ - -void dq_addbefore(FAR dq_entry_t *next, FAR dq_entry_t *node, - dq_queue_t *queue) -{ - if (!queue->head || next == queue->head) - { - dq_addfirst(node, queue); - } - else - { - FAR dq_entry_t *prev = next->blink; - node->flink = next; - node->blink = prev; - prev->flink = node; - next->blink = node; - } -} |