Atmosphere/fusee/fusee-secondary/src/fs_utils.c

51 lines
1.4 KiB
C

/*
* Copyright (c) 2018 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 <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <sys/stat.h>
#include "fs_utils.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;
}
}