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