[101] | 1 | /*
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| 2 | * Copyright (c) 2001, Swedish Institute of Computer Science.
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | * 1. Redistributions of source code must retain the above copyright
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| 9 | * notice, this list of conditions and the following disclaimer.
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer in the
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| 12 | * documentation and/or other materials provided with the distribution.
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| 13 | * 3. Neither the name of the Institute nor the names of its contributors
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| 14 | * may be used to endorse or promote products derived from this software
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| 15 | * without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 27 | * SUCH DAMAGE.
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| 28 | *
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| 29 | * This file is part of the lwIP TCP/IP stack.
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| 30 | *
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| 31 | * Author: Adam Dunkels <adam@sics.se>
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| 32 | *
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| 33 | * $Id: httpd-fs.c 155 2016-02-04 14:11:09Z coas-nagasima $
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| 34 | */
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| 35 |
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| 36 | #include "httpd.h"
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| 37 | #include "httpd-fs.h"
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| 38 | #include "pff.h"
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| 39 | #include "diskio.h"
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[154] | 40 | #include "mmc_rspi.h"
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| 41 | #include <string.h>
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[155] | 42 | #include "http-strings.h"
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[101] | 43 |
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[155] | 44 | #ifndef _MSC_VER
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| 45 | #ifndef strcat_s
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| 46 | #define strcat_s(dst, dsz, src) strcat(dst, src)
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| 47 | #endif
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| 48 | #endif
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| 49 |
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[101] | 50 | //#define FILE_DUMP
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| 51 | #ifdef FILE_DUMP
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| 52 | char path[256] = "";
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| 53 | FATFS fs;
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| 54 | #endif
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| 55 |
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| 56 | #ifndef NULL
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| 57 | #define NULL 0
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| 58 | #endif /* NULL */
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| 59 |
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| 60 | /*-----------------------------------------------------------------------------------*/
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| 61 | #ifdef FILE_DUMP
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| 62 | FRESULT scan_files (FATFS *fs, char* path, int size)
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| 63 | {
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| 64 | FRESULT res;
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| 65 | FILINFO fno;
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| 66 | DIR dir;
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| 67 | int i;
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| 68 | char *fn; /* This function assumes non-Unicode configuration */
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| 69 | #if _USE_LFN
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| 70 | char LFName[256];
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| 71 | fno.lfname = LFName;
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| 72 | fno.lfsize = sizeof(LFName);
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| 73 | #endif
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| 74 |
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| 75 | dir.fs = fs;
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| 76 | res = pf_opendir(&dir, path);
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| 77 | if (res == FR_OK) {
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| 78 | i = strlen(path);
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| 79 | for (;;) {
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| 80 | res = pf_readdir(&dir, &fno);
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| 81 | if (res != FR_OK || fno.fname[0] == 0) break;
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| 82 | #if _USE_LFN
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| 83 | fn = *fno.lfname ? fno.lfname : fno.fname;
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| 84 | #else
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| 85 | fn = fno.fname;
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| 86 | #endif
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| 87 | if (fno.fattrib & AM_DIR) {
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| 88 | sprintf_s(&path[i], size - i, "/%s", fn);
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| 89 | res = scan_files(fs, path, size);
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| 90 | if (res != FR_OK) break;
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| 91 | path[i] = 0;
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| 92 | } else {
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| 93 | printf("%s/%s\n", path, fn);
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| 94 | }
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| 95 | }
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| 96 | }
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| 97 |
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| 98 | return res;
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| 99 | }
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| 100 | #endif
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| 101 | /*-----------------------------------------------------------------------------------*/
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| 102 | void
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| 103 | httpd_fs_init(void)
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| 104 | {
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| 105 | #ifdef FILE_DUMP
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| 106 | FRESULT res;
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| 107 | #endif
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[154] | 108 | ramdisk_initialize();
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| 109 | mmc_rspi_initialize();
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[101] | 110 | #ifdef FILE_DUMP
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| 111 | if((res = pf_mount(&fs)) != FR_OK){
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| 112 | printf("pf_mount() => %d\n", res);
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| 113 | return;
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| 114 | }
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| 115 | if((res = scan_files(&fs, path, sizeof(path))) != FR_OK){
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| 116 | printf("scan_files() => %d\n", res);
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| 117 | return;
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| 118 | }
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| 119 | #endif
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| 120 | }
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| 121 | /*-----------------------------------------------------------------------------------*/
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| 122 | int
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[155] | 123 | httpd_fs_open(int drv, char *name, int len, struct httpd_fs_file *file)
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[101] | 124 | {
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| 125 | FRESULT res;
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[155] | 126 | FATFS *fs = (FATFS *)&file->fs;
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| 127 | FILINFO fno;
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| 128 | DIR dir;
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[101] | 129 |
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[154] | 130 | file->pos = 0;
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| 131 | file->len = 0;
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| 132 | file->drv = drv;
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| 133 | file->name = name;
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[155] | 134 | file->redirect = 0;
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[154] | 135 | memset(fs, 0, sizeof(FATFS));
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| 136 |
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| 137 | if (drv == 0) {
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| 138 | fs->disk_get_status = ramdisk_get_status;
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| 139 | fs->disk_readp = ramdisk_readp;
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| 140 | fs->disk_writep = ramdisk_writep;
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| 141 | }
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| 142 | else {
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| 143 | fs->disk_get_status = mmc_rspi_get_status;
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| 144 | fs->disk_readp = mmc_rspi_readp;
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| 145 | fs->disk_writep = mmc_rspi_writep;
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| 146 | }
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| 147 |
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[101] | 148 | if (fs->fs_type == 0){
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| 149 | if((res = pf_mount(fs)) != FR_OK){
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| 150 | printf("pf_mount() => %d\n", res);
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| 151 | return 0;
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| 152 | }
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| 153 | }
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| 154 |
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[155] | 155 | if ((res = pf_open(fs, name)) != FR_OK) {
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| 156 | dir.fs = fs;
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| 157 | if ((res = pf_opendir(&dir, name)) != FR_OK) {
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| 158 | printf("pf_opendir(%d:%s) => %d\n", drv, name, res);
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| 159 | return 0;
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| 160 | }
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| 161 |
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| 162 | if ((res = pf_readdir(&dir, &fno)) != FR_OK) {
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| 163 | printf("pf_readdir(%d:%s) => %d\n", drv, name, res);
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| 164 | return 0;
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| 165 | }
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| 166 |
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| 167 | if (len != 0/*fno.fattrib & AM_DIR*/) {
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| 168 | strcat_s(name, len, http_index_html);
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| 169 | res = pf_open(fs, name);
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| 170 | file->redirect = res == FR_OK;
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| 171 | }
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| 172 | else
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| 173 | res = FR_NO_FILE;
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| 174 |
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| 175 | if (res != FR_OK) {
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| 176 | printf("pf_open(%d:%s) => %d %x\n", drv, name, res, fno.fattrib);
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| 177 | return 0;
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| 178 | }
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[101] | 179 | }
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| 180 |
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| 181 | file->len = fs->fsize;
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| 182 |
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[154] | 183 | //printf("httpd_fs_open(%d:%s) %d\n", drv, name, file->len);
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[101] | 184 |
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| 185 | return 1;
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| 186 | }
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| 187 | /*-----------------------------------------------------------------------------------*/
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| 188 | int
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| 189 | httpd_fs_read(struct httpd_fs_file *file, void *dst, int len)
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| 190 | {
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| 191 | FRESULT ret;
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| 192 | UINT rlen;
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[155] | 193 | FATFS *fs = (FATFS *)&file->fs;
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[101] | 194 |
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| 195 | if((ret = pf_lseek(fs, file->pos)) != FR_OK){
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[154] | 196 | printf("pf_lseek(%d:%s, %d) => %d\n", file->drv, file->name, file->pos, ret);
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[101] | 197 | return 0;
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| 198 | }
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| 199 |
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| 200 | if(file->pos != fs->fptr){
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[154] | 201 | printf("pf_lseek(%d:%s, %d) != %d\n", file->drv, file->name, file->pos, fs->fptr);
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[101] | 202 | }
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| 203 |
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| 204 | if((ret = pf_read(fs, dst, len, &rlen)) != FR_OK){
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[154] | 205 | printf("pf_read(%d:%s, 0x%p, %d) => %d\n", file->drv, file->name, dst, len, ret);
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[101] | 206 | return 0;
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| 207 | }
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| 208 |
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[154] | 209 | //printf("httpd_fs_read(%d:%s, %d, %d) => %d\n", file->drv, file->name, file->pos, len, rlen);
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[101] | 210 |
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| 211 | return rlen;
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| 212 | }
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| 213 | /*-----------------------------------------------------------------------------------*/
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