forked from Archive/PX4-Autopilot
128 lines
4.4 KiB
C
128 lines
4.4 KiB
C
/**********************************************************************
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* pfsymhandle.c
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* POFF temporary symdata support
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*
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* Copyright (C) 2008 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 <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "keywords.h" /* Standard types */
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#include "pedefs.h" /* Pascal error codes */
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#include "pfprivate.h" /* POFF private definitions */
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#include "pofflib.h" /* Public interfaces */
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/**********************************************************************
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* Definitions
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**********************************************************************/
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/**********************************************************************
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* Global Variables
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**********************************************************************/
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/**********************************************************************
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* Private Variables
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**********************************************************************/
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/***********************************************************************
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* Private Function Prototypes
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***********************************************************************/
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/***********************************************************************
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* Private Functions
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***********************************************************************/
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/***********************************************************************
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* Public Functions
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***********************************************************************/
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/***********************************************************************/
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/* Set all global data structures to a known state */
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poffSymHandle_t poffCreateSymHandle(void)
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{
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poffSymInfo_t *poffSymInfo;
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/* Create a new POFF handle */
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poffSymInfo = (poffSymInfo_t*)malloc(sizeof(poffSymInfo_t));
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if (poffSymInfo != NULL)
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{
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/* Set everthing to zero */
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memset(poffSymInfo, 0, sizeof(poffSymInfo_t));
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}
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return poffSymInfo;
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}
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/***********************************************************************/
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void poffDestroySymHandle(poffSymHandle_t handle)
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{
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/* Free all of the allocated, in-memory data */
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poffResetSymHandle(handle);
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/* Free the container */
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free(handle);
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}
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/***********************************************************************/
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void poffResetSymHandle(poffSymHandle_t handle)
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{
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poffSymInfo_t *poffSymInfo = (poffSymInfo_t*)handle;
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/* Free all of the allocated, in-memory data */
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if (poffSymInfo->symbolTable)
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{
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free(poffSymInfo->symbolTable);
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}
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/* Reset everything to the initial state */
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poffSymInfo->symbolTable = NULL;
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poffSymInfo->symbolTableSize = 0;
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poffSymInfo->symbolTableAlloc = 0;
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}
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/***********************************************************************/
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