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/****************************************************************************
* libc/string/lib_psfa_addaction.c
*
* Copyright (C) 2013 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 <nuttx/config.h>
#include <spawn.h>
#include <nuttx/spawn.h>
/****************************************************************************
* Global Functions
****************************************************************************/
/****************************************************************************
* Name: add_file_action
*
* Description:
* Add the file action to the end for the file action list.
*
* Input Parameters:
* file_actions - The head of the file action list.
* entry - The file action to be added
*
* Returned Value:
* None
*
****************************************************************************/
void add_file_action(FAR posix_spawn_file_actions_t *file_actions,
FAR struct spawn_general_file_action_s *entry)
{
FAR struct spawn_general_file_action_s *prev;
FAR struct spawn_general_file_action_s *next;
/* Find the end of the list */
for (prev = NULL, next = (FAR struct spawn_general_file_action_s *)*file_actions;
next;
prev = next, next = next->flink);
/* Here next is NULL and prev points to the last entry in the list (or
* is NULL if the list is empty).
*/
if (prev)
{
prev->flink = entry;
}
else
{
*file_actions = (posix_spawn_file_actions_t)entry;
}
entry->flink = NULL;
}
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