diff options
Diffstat (limited to 'FreeRTOS/Demo/WIN32-MSVC-lwIP/lwIP_Apps/apps/httpserver_raw_from_lwIP_download/fs.c')
-rw-r--r-- | FreeRTOS/Demo/WIN32-MSVC-lwIP/lwIP_Apps/apps/httpserver_raw_from_lwIP_download/fs.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/FreeRTOS/Demo/WIN32-MSVC-lwIP/lwIP_Apps/apps/httpserver_raw_from_lwIP_download/fs.c b/FreeRTOS/Demo/WIN32-MSVC-lwIP/lwIP_Apps/apps/httpserver_raw_from_lwIP_download/fs.c deleted file mode 100644 index 993fffcdd..000000000 --- a/FreeRTOS/Demo/WIN32-MSVC-lwIP/lwIP_Apps/apps/httpserver_raw_from_lwIP_download/fs.c +++ /dev/null @@ -1,177 +0,0 @@ -/* - * Copyright (c) 2001-2003 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. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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> - * - */ -#include "lwip/opt.h" -#include "lwip/def.h" -#include "fs.h" -#include "fsdata.h" -#include <string.h> - -/** Set this to 1 to include "fsdata_custom.c" instead of "fsdata.c" for the - * file system (to prevent changing the file included in CVS) */ -#ifndef HTTPD_USE_CUSTUM_FSDATA -#define HTTPD_USE_CUSTUM_FSDATA 0 -#endif - -#if HTTPD_USE_CUSTUM_FSDATA -#include "fsdata_custom.c" -#else /* HTTPD_USE_CUSTUM_FSDATA */ -#include "fsdata.c" -#endif /* HTTPD_USE_CUSTUM_FSDATA */ - -/*-----------------------------------------------------------------------------------*/ -/* Define the number of open files that we can support. */ -#ifndef LWIP_MAX_OPEN_FILES -#define LWIP_MAX_OPEN_FILES 10 -#endif - -/* Define the file system memory allocation structure. */ -struct fs_table { - struct fs_file file; - u8_t inuse; -}; - -/* Allocate file system memory */ -struct fs_table fs_memory[LWIP_MAX_OPEN_FILES]; - -#if LWIP_HTTPD_CUSTOM_FILES -int fs_open_custom(struct fs_file *file, const char *name); -void fs_close_custom(struct fs_file *file); -#endif /* LWIP_HTTPD_CUSTOM_FILES */ - -/*-----------------------------------------------------------------------------------*/ -static struct fs_file * -fs_malloc(void) -{ - int i; - for(i = 0; i < LWIP_MAX_OPEN_FILES; i++) { - if(fs_memory[i].inuse == 0) { - fs_memory[i].inuse = 1; - return(&fs_memory[i].file); - } - } - return(NULL); -} - -/*-----------------------------------------------------------------------------------*/ -static void -fs_free(struct fs_file *file) -{ - int i; - for(i = 0; i < LWIP_MAX_OPEN_FILES; i++) { - if(&fs_memory[i].file == file) { - fs_memory[i].inuse = 0; - break; - } - } - return; -} - -/*-----------------------------------------------------------------------------------*/ -struct fs_file * -fs_open(const char *name) -{ - struct fs_file *file; - const struct fsdata_file *f; - - file = fs_malloc(); - if(file == NULL) { - return NULL; - } - -#if LWIP_HTTPD_CUSTOM_FILES - if(fs_open_custom(file, name)) { - file->is_custom_file = 1; - return file; - } - file->is_custom_file = 0; -#endif /* LWIP_HTTPD_CUSTOM_FILES */ - - for(f = FS_ROOT; f != NULL; f = f->next) { - if (!strcmp(name, (char *)f->name)) { - file->data = (const char *)f->data; - file->len = f->len; - file->index = f->len; - file->pextension = NULL; - file->http_header_included = f->http_header_included; -#if HTTPD_PRECALCULATED_CHECKSUM - file->chksum_count = f->chksum_count; - file->chksum = f->chksum; -#endif /* HTTPD_PRECALCULATED_CHECKSUM */ -#if LWIP_HTTPD_FILE_STATE - file->state = fs_state_init(file, name); -#endif /* #if LWIP_HTTPD_FILE_STATE */ - return file; - } - } - fs_free(file); - return NULL; -} - -/*-----------------------------------------------------------------------------------*/ -void -fs_close(struct fs_file *file) -{ -#if LWIP_HTTPD_CUSTOM_FILES - if (file->is_custom_file) { - fs_close_custom(file); - } -#endif /* LWIP_HTTPD_CUSTOM_FILES */ -#if LWIP_HTTPD_FILE_STATE - fs_state_free(file, file->state); -#endif /* #if LWIP_HTTPD_FILE_STATE */ - fs_free(file); -} -/*-----------------------------------------------------------------------------------*/ -int -fs_read(struct fs_file *file, char *buffer, int count) -{ - int read; - - if(file->index == file->len) { - return -1; - } - - read = file->len - file->index; - if(read > count) { - read = count; - } - - MEMCPY(buffer, (file->data + file->index), read); - file->index += read; - - return(read); -} -/*-----------------------------------------------------------------------------------*/ -int fs_bytes_left(struct fs_file *file) -{ - return file->len - file->index; -} |