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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [uIP_Demo_IAR_ARM7/] [uip/] [fs.c] - Rev 620
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/** * \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 2 2011-07-17 20:13:17Z filepang@gmail.com $ */ #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 */ /*-----------------------------------------------------------------------------------*/
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