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/*
* Shell Command Implmentation
*
* Author: Fernando RUIZ CASAS
* Work: fernando.ruiz@ctv.es
* Home: correo@fernando-ruiz.com
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <rtems.h>
#include <rtems/shell.h>
#include <rtems/shellconfig.h>
#include <rtems/dosfs.h>
#include <rtems/fsmount.h>
#include "internal.h"
static rtems_chain_control filesystems;
static bool fs_init;
static void rtems_shell_mount_fsys_init(void)
{
if (!fs_init)
{
rtems_chain_initialize_empty (&filesystems);
fs_init = true;
}
}
void rtems_shell_mount_add_fsys(rtems_shell_filesystems_t* fs)
{
rtems_shell_mount_fsys_init();
rtems_chain_append (&filesystems, &fs->link);
}
void rtems_shell_mount_del_fsys(rtems_shell_filesystems_t* fs)
{
if (fs_init)
rtems_chain_extract (&fs->link);
}
int rtems_shell_libc_mounter(
const char* driver,
const char* path,
rtems_shell_filesystems_t* fs,
rtems_filesystem_options_t options)
{
rtems_filesystem_mount_table_entry_t* mt_entry;
/*
* Mount the disk.
*/
if (mount (&mt_entry, fs->fs_ops, options, (char*) driver, (char*) path) < 0)
{
fprintf (stderr, "mount: mount failed: %s\n", strerror (errno));
return 1;
}
return 0;
}
#define NUMOF(_i) (sizeof (_i) / sizeof (_i[0]))
int rtems_shell_main_mount(
int argc,
char *argv[]
)
{
rtems_filesystem_options_t options = RTEMS_FILESYSTEM_READ_WRITE;
rtems_shell_filesystems_t* fs = NULL;
char* driver = NULL;
char* mount_point = NULL;
int arg;
rtems_shell_mount_fsys_init();
for (arg = 1; arg < argc; arg++) {
if (argv[arg][0] == '-') {
if (argv[arg][1] == 't') {
rtems_shell_filesystems_t** a;
arg++;
if (arg == argc) {
fprintf(
stderr,
"%s: -t needs a type of file-system;; see -L.\n",
argv[0]
);
return 1;
}
for (a = rtems_shell_Mount_filesystems; *a; a++) {
if (strcmp (argv[arg], (*a)->name) == 0) {
fs = *a;
break;
}
}
if (!fs && !rtems_chain_is_empty(&filesystems)) {
rtems_chain_node* node = filesystems.first;
while (!rtems_chain_is_tail (&filesystems, node)) {
rtems_shell_filesystems_t* f = (rtems_shell_filesystems_t*)node;
if (strcmp (argv[arg], f->name) == 0) {
fs = f;
break;
}
node = node->next;
}
}
} else if (argv[arg][1] == 'r') {
options = RTEMS_FILESYSTEM_READ_ONLY;
} else if (argv[arg][1] == 'L') {
rtems_shell_filesystems_t** a;
fprintf (stderr, "File systems: ");
for (a = rtems_shell_Mount_filesystems; *a; a++)
if (*a)
fprintf (stderr, "%s ", (*a)->name);
fprintf (stderr, "\n");
return 1;
} else {
fprintf (stderr, "unknown option: %s\n", argv[arg]);
return 1;
}
} else {
if (!driver)
driver = argv[arg];
else if (!mount_point)
mount_point = argv[arg];
else {
fprintf (
stderr, "mount: driver and mount only require: %s\n", argv[arg]);
return 1;
}
}
}
if (fs == NULL) {
fprintf (stderr, "mount: no file-system; see the -L option\n");
return 1;
}
if (fs->driver_needed && !driver) {
fprintf (stderr, "mount: no driver\n");
return 1;
}
if (!mount_point) {
fprintf (stderr, "mount: no mount point\n");
return 1;
}
/*
* Mount the disk.
*/
if (fs->mounter (driver, mount_point, fs, options))
return 1;
printf ("mounted %s -> %s\n", driver, mount_point);
return 0;
}
rtems_shell_cmd_t rtems_shell_MOUNT_Command = {
"mount", /* name */
"mount [-t fstype] [-r] [-L] device path # mount disk", /* usage */
"files", /* topic */
rtems_shell_main_mount, /* command */
NULL, /* alias */
NULL /* next */
};
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