forked from Archive/PX4-Autopilot
92 lines
3.3 KiB
C
92 lines
3.3 KiB
C
/****************************************************************************
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* libc/string/lib_psfa_addaction.c
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*
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* Copyright (C) 2013 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <spawn.h>
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#include "spawn/spawn.h"
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/****************************************************************************
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* Global Functions
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****************************************************************************/
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/****************************************************************************
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* Name: add_file_action
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*
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* Description:
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* Add the file action to the end for the file action list.
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*
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* Input Parameters:
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* file_actions - The head of the file action list.
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* entry - The file action to be added
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void add_file_action(FAR posix_spawn_file_actions_t *file_actions,
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FAR struct spawn_general_file_action_s *entry)
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{
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FAR struct spawn_general_file_action_s *prev;
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FAR struct spawn_general_file_action_s *next;
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/* Find the end of the list */
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for (prev = NULL, next = (FAR struct spawn_general_file_action_s *)*file_actions;
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next;
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prev = next, next = next->flink);
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/* Here next is NULL and prev points to the last entry in the list (or
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* is NULL if the list is empty).
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*/
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if (prev)
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{
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prev->flink = entry;
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}
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else
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{
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*file_actions = (posix_spawn_file_actions_t)entry;
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}
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entry->flink = NULL;
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}
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