/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
#include
#include
#include "../../../fusee/common/fatfs/ff.h"
#include "fs_utils.h"
#include "fs_dev.h"
size_t get_file_size(const char *filename) {
struct stat st;
if (stat(filename, &st) == -1) {
return 0;
}
return (size_t)st.st_size;
}
size_t read_from_file(void *dst, size_t dst_size, const char *filename) {
FILE *file = fopen(filename, "rb");
if (file == NULL) {
return 0;
} else {
size_t sz = fread(dst, 1, dst_size, file);
fclose(file);
return sz;
}
}
size_t dump_to_file(const void *src, size_t src_size, const char *filename) {
FILE *file = fopen(filename, "wb+");
if (file == NULL) {
return 0;
} else {
size_t sz = fwrite(src, 1, src_size, file);
fclose(file);
return sz;
}
}
bool is_valid_folder(const char *path) {
struct stat st;
if (stat(path, &st) == 0 && S_ISDIR(st.st_mode)) {
return true;
}
return false;
}
bool is_valid_file(const char *path) {
struct stat st;
if (stat(path, &st) == 0 && S_ISREG(st.st_mode)) {
return true;
}
return false;
}
bool is_valid_concatenation_file(const char *path) {
if (is_valid_file(path)) {
return true;
} else if (is_valid_folder(path)) {
/* Check if the archive bit is set. */
int rc = fsdev_get_attr(path);
/* Failed to get file DOS attributes. */
if (rc == -1) {
return false;
}
/* Check if our path is not a directory (it should be if we're in this code, though...). */
if (!(rc & AM_DIR)) {
return false;
}
return (rc & AM_ARC) != 0;
} else {
return false;
}
}