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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [uIP_Demo_Rowley_ARM7/] [uip/] [fs.c] - Blame information for rev 609

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1 583 jeremybenn 
/**
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 * \addtogroup httpd
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 * @{
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 */
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/**
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 * \file
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 * HTTP server read-only file system code.
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 * \author Adam Dunkels <adam@dunkels.com>
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 *
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 * A simple read-only filesystem.
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 */
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/*
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 * Copyright (c) 2001, Swedish Institute of Computer Science.
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 * All rights reserved.
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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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 * 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 the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the Institute nor the names of its contributors
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 *    may be 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 INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 * This file is part of the lwIP TCP/IP stack.
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 *
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 * Author: Adam Dunkels <adam@sics.se>
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 *
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 * $Id: fs.c 2 2011-07-17 20:13:17Z filepang@gmail.com $
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 */
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#include "uip.h"
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#include "httpd.h"
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#include "fs.h"
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#include "fsdata.h"
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#define NULL (void *)0
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#include "fsdata.c"
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#ifdef FS_STATISTICS
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#if FS_STATISTICS == 1
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static u16_t count[FS_NUMFILES];
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#endif /* FS_STATISTICS */
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#endif /* FS_STATISTICS */
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/*-----------------------------------------------------------------------------------*/
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static u8_t
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fs_strcmp(const char *str1, const char *str2)
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{
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  u8_t i;
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  i = 0;
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 loop:
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  if(str2[i] == 0 ||
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     str1[i] == '\r' ||
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     str1[i] == '\n') {
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    return 0;
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  }
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  if(str1[i] != str2[i]) {
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    return 1;
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  }
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  ++i;
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  goto loop;
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}
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/*-----------------------------------------------------------------------------------*/
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int
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fs_open(const char *name, struct fs_file *file)
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{
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#ifdef FS_STATISTICS
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#if FS_STATISTICS == 1
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  u16_t i = 0;
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#endif /* FS_STATISTICS */
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#endif /* FS_STATISTICS */
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  struct fsdata_file_noconst *f;
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  for(f = (struct fsdata_file_noconst *)FS_ROOT;
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      f != NULL;
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      f = (struct fsdata_file_noconst *)f->next) {
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    if(fs_strcmp(name, f->name) == 0) {
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      file->data = f->data;
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      file->len = f->len;
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#ifdef FS_STATISTICS
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#if FS_STATISTICS == 1
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      ++count[i];
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#endif /* FS_STATISTICS */
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#endif /* FS_STATISTICS */
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      return 1;
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    }
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#ifdef FS_STATISTICS
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#if FS_STATISTICS == 1
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    ++i;
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#endif /* FS_STATISTICS */
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#endif /* FS_STATISTICS */
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  }
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  return 0;
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}
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/*-----------------------------------------------------------------------------------*/
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void
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fs_init(void)
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{
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#ifdef FS_STATISTICS
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#if FS_STATISTICS == 1
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  u16_t i;
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  for(i = 0; i < FS_NUMFILES; i++) {
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    count[i] = 0;
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  }
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#endif /* FS_STATISTICS */
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#endif /* FS_STATISTICS */
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}
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/*-----------------------------------------------------------------------------------*/
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#ifdef FS_STATISTICS
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#if FS_STATISTICS == 1
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u16_t fs_count
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(char *name)
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{
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  struct fsdata_file_noconst *f;
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  u16_t i;
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  i = 0;
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  for(f = (struct fsdata_file_noconst *)FS_ROOT;
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      f != NULL;
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      f = (struct fsdata_file_noconst *)f->next) {
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    if(fs_strcmp(name, f->name) == 0) {
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      return count[i];
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    }
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    ++i;
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  }
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  return 0;
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}
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#endif /* FS_STATISTICS */
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#endif /* FS_STATISTICS */
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/*-----------------------------------------------------------------------------------*/

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