text: /*
   * 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: httpd-fs.c,v 1.1 2006/06/07 09:13:08 adam Exp $
   */
  
  #include "httpd.h"
  #include "httpd-fs.h"
  #include "httpd-fsdata.h"
  
  #ifndef NULL
  #define NULL 0
  #endif /* NULL */
  
  #include "httpd-fsdata.c"
  
  #if HTTPD_FS_STATISTICS
  static u16_t count[HTTPD_FS_NUMFILES];
  #endif /* HTTPD_FS_STATISTICS */
  
  /*-----------------------------------------------------------------------------------*/
  static u8_t httpd_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 httpd_fs_open(const char *name, struct httpd_fs_file *file)
  {
  #if HTTPD_FS_STATISTICS
      u16_t i = 0;
  #endif /* HTTPD_FS_STATISTICS */
      struct httpd_fsdata_file_noconst *f;
  
      for (f = (struct httpd_fsdata_file_noconst *)HTTPD_FS_ROOT;
           f != NULL;
           f = (struct httpd_fsdata_file_noconst *)f->next) {
          if (httpd_fs_strcmp(name, f->name) == 0) {
              file->data = f->data;
              file->len = f->len;
  #if HTTPD_FS_STATISTICS
              ++count[i];
  #endif /* HTTPD_FS_STATISTICS */
              return 1;
          }
  
  #if HTTPD_FS_STATISTICS
          ++i;
  #endif /* HTTPD_FS_STATISTICS */
      }
  
      return 0;
  }
  /*-----------------------------------------------------------------------------------*/
  void httpd_fs_init(void)
  {
  #if HTTPD_FS_STATISTICS
      u16_t i;
  
      for (i = 0; i < HTTPD_FS_NUMFILES; i++) {
          count[i] = 0;
      }
  
  #endif /* HTTPD_FS_STATISTICS */
  }
  /*-----------------------------------------------------------------------------------*/
  #if HTTPD_FS_STATISTICS
  u16_t httpd_fs_count(char *name)
  {
      struct httpd_fsdata_file_noconst *f;
      u16_t i;
  
      i = 0;
  
      for (f = (struct httpd_fsdata_file_noconst *)HTTPD_FS_ROOT;
           f != NULL;
           f = (struct httpd_fsdata_file_noconst *)f->next) {
          if (httpd_fs_strcmp(name, f->name) == 0) {
              return count[i];
          }
  
          ++i;
      }
  
      return 0;
  }
  #endif /* HTTPD_FS_STATISTICS */
  /*-----------------------------------------------------------------------------------*/
  