You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
117 lines
4.4 KiB
117 lines
4.4 KiB
/********************************************************************** |
|
* pfrfname.c |
|
* Read file name data from a POFF file |
|
* |
|
* Copyright (C) 2008-2009 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 <stdint.h> |
|
#include <stdio.h> |
|
#include <stdlib.h> |
|
#include <string.h> |
|
#include <errno.h> |
|
|
|
#include "keywords.h" /* Standard types */ |
|
#include "pedefs.h" /* error code definitions */ |
|
|
|
#include "perr.h" /* error() */ |
|
#include "pofflib.h" /* POFF library interface */ |
|
#include "pfprivate.h" /* POFF private definitions */ |
|
|
|
/********************************************************************** |
|
* Pre-processor Definitions |
|
**********************************************************************/ |
|
|
|
/********************************************************************** |
|
* Global Variables |
|
**********************************************************************/ |
|
|
|
/********************************************************************** |
|
* Private Variables |
|
**********************************************************************/ |
|
|
|
/*********************************************************************** |
|
* Private Function Prototypes |
|
***********************************************************************/ |
|
|
|
/*********************************************************************** |
|
* Private Functions |
|
***********************************************************************/ |
|
|
|
/*********************************************************************** |
|
* Public Functions |
|
***********************************************************************/ |
|
|
|
/***********************************************************************/ |
|
|
|
int32_t poffGetFileName(poffHandle_t handle, const char **fname) |
|
{ |
|
poffInfo_t *poffInfo = (poffInfo_t*)handle; |
|
uint32_t stringTableIndex; |
|
uint32_t fileNameIndex; |
|
|
|
/* First, check if there is another file name in the table to be had. |
|
* This check is a little sloppy in that it assumes the the size in |
|
* in the header is an even multiple of file name table entries |
|
*/ |
|
|
|
fileNameIndex = poffInfo->fileNameIndex; |
|
if (fileNameIndex * sizeof(poffFileTab_t) >= |
|
poffInfo->fileNameTableSection.sh_size) |
|
{ |
|
/* Return -1 to signal the end of the list */ |
|
|
|
*fname = NULL; |
|
return -1; |
|
} |
|
else |
|
{ |
|
/* Get the string table index from the file name table */ |
|
|
|
stringTableIndex = (uint32_t)poffInfo->fileNameTable[fileNameIndex]; |
|
|
|
/* Return the file name */ |
|
|
|
*fname = poffGetString(handle, stringTableIndex); |
|
|
|
/* Set up for the next read */ |
|
|
|
poffInfo->fileNameIndex++; |
|
return fileNameIndex; |
|
} |
|
} |
|
|
|
/***********************************************************************/
|
|
|