0,0 → 1,155 |
/** |
* \addtogroup httpd |
* @{ |
*/ |
|
/** |
* \file |
* HTTP server read-only file system code. |
* \author Adam Dunkels <adam@dunkels.com> |
* |
* A simple read-only filesystem. |
*/ |
|
/* |
* Copyright (c) 2001, Swedish Institute of Computer Science. |
* All rights reserved. |
* |
* 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 of the Institute 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 INSTITUTE 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 INSTITUTE 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. |
* |
* This file is part of the lwIP TCP/IP stack. |
* |
* Author: Adam Dunkels <adam@sics.se> |
* |
* $Id: fs.c,v 1.7.2.3 2003/10/07 13:22:27 adam Exp $ |
*/ |
|
#include "uip.h" |
#include "httpd.h" |
#include "fs.h" |
#include "fsdata.h" |
|
#define NULL (void *)0 |
#include "fsdata.c" |
|
#ifdef FS_STATISTICS |
#if FS_STATISTICS == 1 |
static u16_t count[FS_NUMFILES]; |
#endif /* FS_STATISTICS */ |
#endif /* FS_STATISTICS */ |
|
/*-----------------------------------------------------------------------------------*/ |
static u8_t |
fs_strcmp(const char *str1, const char *str2) |
{ |
u8_t i; |
i = 0; |
loop: |
|
if(str2[i] == 0 || |
str1[i] == '\r' || |
str1[i] == '\n') { |
return 0; |
} |
|
if(str1[i] != str2[i]) { |
return 1; |
} |
|
|
++i; |
goto loop; |
} |
/*-----------------------------------------------------------------------------------*/ |
int |
fs_open(const char *name, struct fs_file *file) |
{ |
#ifdef FS_STATISTICS |
#if FS_STATISTICS == 1 |
u16_t i = 0; |
#endif /* FS_STATISTICS */ |
#endif /* FS_STATISTICS */ |
struct fsdata_file_noconst *f; |
|
for(f = (struct fsdata_file_noconst *)FS_ROOT; |
f != NULL; |
f = (struct fsdata_file_noconst *)f->next) { |
|
if(fs_strcmp(name, f->name) == 0) { |
file->data = f->data; |
file->len = f->len; |
#ifdef FS_STATISTICS |
#if FS_STATISTICS == 1 |
++count[i]; |
#endif /* FS_STATISTICS */ |
#endif /* FS_STATISTICS */ |
return 1; |
} |
#ifdef FS_STATISTICS |
#if FS_STATISTICS == 1 |
++i; |
#endif /* FS_STATISTICS */ |
#endif /* FS_STATISTICS */ |
|
} |
return 0; |
} |
/*-----------------------------------------------------------------------------------*/ |
void |
fs_init(void) |
{ |
#ifdef FS_STATISTICS |
#if FS_STATISTICS == 1 |
u16_t i; |
for(i = 0; i < FS_NUMFILES; i++) { |
count[i] = 0; |
} |
#endif /* FS_STATISTICS */ |
#endif /* FS_STATISTICS */ |
} |
/*-----------------------------------------------------------------------------------*/ |
#ifdef FS_STATISTICS |
#if FS_STATISTICS == 1 |
u16_t fs_count |
(char *name) |
{ |
struct fsdata_file_noconst *f; |
u16_t i; |
|
i = 0; |
for(f = (struct fsdata_file_noconst *)FS_ROOT; |
f != NULL; |
f = (struct fsdata_file_noconst *)f->next) { |
|
if(fs_strcmp(name, f->name) == 0) { |
return count[i]; |
} |
++i; |
} |
return 0; |
} |
#endif /* FS_STATISTICS */ |
#endif /* FS_STATISTICS */ |
/*-----------------------------------------------------------------------------------*/ |