/*
* Copyright (c) 2018 Jiri Svoboda
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - 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.
*/
/** @addtogroup mkext4
* @{
*/
/**
* @file
* @brief Tool for creating new Ext4 file systems.
*/
#include <errno.h>
#include <ext4/filesystem.h>
#include <loc.h>
#include <stdio.h>
#include <str.h>
#define NAME "mkext4"
static void syntax_print(void);
static errno_t ext4_version_parse(const char *, ext4_cfg_ver_t *);
int main(int argc, char **argv)
{
errno_t rc;
char *dev_path;
service_id_t service_id;
ext4_cfg_t cfg;
char *endptr;
aoff64_t nblocks;
const char *label = "";
unsigned int bsize = 4096;
cfg.version = ext4_def_fs_version;
if (argc < 2) {
printf(NAME ": Error, argument missing.\n");
syntax_print();
return 1;
}
--argc;
++argv;
while (*argv && *argv[0] == '-') {
if (str_cmp(*argv, "--size") == 0) {
--argc;
++argv;
if (*argv == NULL) {
printf(NAME ": Error, argument missing.\n");
syntax_print();
return 1;
}
nblocks = strtol(*argv, &endptr, 10);
if (*endptr != '\0') {
printf(NAME ": Error, invalid argument.\n");
syntax_print();
return 1;
}
--argc;
++argv;
continue;
}
if (str_cmp(*argv, "--bsize") == 0) {
--argc;
++argv;
if (*argv == NULL) {
printf(NAME ": Error, argument missing.\n");
syntax_print();
return 1;
}
bsize = strtol(*argv, &endptr, 10);
if (*endptr != '\0') {
printf(NAME ": Error, invalid argument.\n");
syntax_print();
return 1;
}
--argc;
++argv;
continue;
}
if (str_cmp(*argv, "--type") == 0) {
--argc;
++argv;
if (*argv == NULL) {
printf(NAME ": Error, argument missing.\n");
syntax_print();
return 1;
}
rc = ext4_version_parse(*argv, &cfg.version);
if (rc != EOK) {
printf(NAME ": Error, invalid argument.\n");
syntax_print();
return 1;
}
--argc;
++argv;
continue;
}
if (str_cmp(*argv, "--label") == 0) {
--argc;
++argv;
if (*argv == NULL) {
printf(NAME ": Error, argument missing.\n");
syntax_print();
return 1;
}
label = *argv;
--argc;
++argv;
continue;
}
if (str_cmp(*argv, "--help") == 0) {
syntax_print();
return 0;
}
if (str_cmp(*argv, "-") == 0) {
--argc;
++argv;
break;
} else {
printf(NAME ": Invalid argument: %s\n", *argv);
syntax_print();
return 1;
}
}
if (argc != 1) {
printf(NAME ": Error, unexpected argument.\n");
syntax_print();
return 1;
}
dev_path = *argv;
printf("Device: %s\n", dev_path);
rc = loc_service_get_id(dev_path, &service_id, 0);
if (rc != EOK) {
printf(NAME ": Error resolving device `%s'.\n", dev_path);
return 2;
}
cfg.volume_name = label;
cfg.bsize = bsize;
(void) nblocks;
rc = ext4_filesystem_create(&cfg, service_id);
if (rc != EOK) {
printf(NAME ": Error initializing file system.\n");
return 3;
}
printf("Success.\n");
return 0;
}
static void syntax_print(void)
{
printf("syntax: mkext4 [<options>...] <device_name>\n");
printf("options:\n"
"\t--size <sectors> Filesystem size, overrides device size\n"
"\t--label <label> Volume label\n"
"\t--type <fstype> Filesystem type (ext2, ext2old)\n"
"\t--bsize <bytes> Filesystem block size in bytes (default = 4096)\n");
}
static errno_t ext4_version_parse(const char *str, ext4_cfg_ver_t *ver)
{
if (str_cmp(str, "ext2old") == 0) {
*ver = extver_ext2_old;
return EOK;
}
if (str_cmp(str, "ext2") == 0) {
*ver = extver_ext2;
return EOK;
}
return EINVAL;
}
/**
* @}
*/