1 /* 2 * Copyright (c) 2001, Swedish Institute of Computer Science. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the Institute nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * This file is part of the lwIP TCP/IP stack. 30 * 31 * Author: Adam Dunkels <[email protected]> 32 * 33 * $Id: httpd-fs.c,v 1.1 2006/06/07 09:13:08 adam Exp $ 34 */ 35 36 #include "httpd.h" 37 #include "httpd-fs.h" 38 #include "httpd-fsdata.h" 39 40 #ifndef NULL 41 #define NULL 0 42 #endif /* NULL */ 43 44 #include "httpd-fsdata.c" 45 46 #if HTTPD_FS_STATISTICS 47 static u16_t count[HTTPD_FS_NUMFILES]; 48 #endif /* HTTPD_FS_STATISTICS */ 49 50 /*-----------------------------------------------------------------------------------*/ 51 static u8_t 52 httpd_fs_strcmp(const char *str1, const char *str2) 53 { 54 u8_t i; 55 i = 0; 56 loop: 57 58 if(str2[i] == 0 || 59 str1[i] == '\r' || 60 str1[i] == '\n') { 61 return 0; 62 } 63 64 if(str1[i] != str2[i]) { 65 return 1; 66 } 67 68 69 ++i; 70 goto loop; 71 } 72 /*-----------------------------------------------------------------------------------*/ 73 int 74 httpd_fs_open(const char *name, struct httpd_fs_file *file) 75 { 76 #if HTTPD_FS_STATISTICS 77 u16_t i = 0; 78 #endif /* HTTPD_FS_STATISTICS */ 79 struct httpd_fsdata_file_noconst *f; 80 81 for(f = (struct httpd_fsdata_file_noconst *)HTTPD_FS_ROOT; 82 f != NULL; 83 f = (struct httpd_fsdata_file_noconst *)f->next) { 84 85 if(httpd_fs_strcmp(name, f->name) == 0) { 86 file->data = f->data; 87 file->len = f->len; 88 #if HTTPD_FS_STATISTICS 89 ++count[i]; 90 #endif /* HTTPD_FS_STATISTICS */ 91 return 1; 92 } 93 #if HTTPD_FS_STATISTICS 94 ++i; 95 #endif /* HTTPD_FS_STATISTICS */ 96 97 } 98 return 0; 99 } 100 /*-----------------------------------------------------------------------------------*/ 101 void 102 httpd_fs_init(void) 103 { 104 #if HTTPD_FS_STATISTICS 105 u16_t i; 106 for(i = 0; i < HTTPD_FS_NUMFILES; i++) { 107 count[i] = 0; 108 } 109 #endif /* HTTPD_FS_STATISTICS */ 110 } 111 /*-----------------------------------------------------------------------------------*/ 112 #if HTTPD_FS_STATISTICS 113 u16_t httpd_fs_count 114 (char *name) 115 { 116 struct httpd_fsdata_file_noconst *f; 117 u16_t i; 118 119 i = 0; 120 for(f = (struct httpd_fsdata_file_noconst *)HTTPD_FS_ROOT; 121 f != NULL; 122 f = (struct httpd_fsdata_file_noconst *)f->next) { 123 124 if(httpd_fs_strcmp(name, f->name) == 0) { 125 return count[i]; 126 } 127 ++i; 128 } 129 return 0; 130 } 131 #endif /* HTTPD_FS_STATISTICS */ 132 /*-----------------------------------------------------------------------------------*/ 133