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povik |
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/** |
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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,v 1.7.2.3 2003/10/07 13:22:27 adam Exp $ |
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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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/*-----------------------------------------------------------------------------------*/ |