/*
* 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.org/license/LICENSE.
*/
#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/libio.h>
#include "internal.h"
static bool print_filesystem(const rtems_filesystem_table_t *entry, void *arg)
{
printf("%s ", entry->type);
return false;
}
static int rtems_shell_main_mount(
int argc,
char *argv[]
)
{
rtems_filesystem_options_t options = RTEMS_FILESYSTEM_READ_WRITE;
char* type = NULL;
char* source = NULL;
char* target = NULL;
char* fsoptions = NULL;
int arg;
for (arg = 1; arg < argc; arg++) {
if (argv[arg][0] == '-') {
if (argv[arg][1] == 't') {
arg++;
if (arg == argc) {
fprintf(
stderr,
"%s: -t needs a type of file-system; see -L.\n",
argv[0]
);
return 1;
}
type = argv[arg];
} else if (argv[arg][1] == 'r') {
options = RTEMS_FILESYSTEM_READ_ONLY;
} else if (argv[arg][1] == 'L') {
printf ("File systems: ");
rtems_filesystem_iterate(print_filesystem, NULL);
printf ("\n");
return 0;
} else if (argv[arg][1] == 'o') {
arg++;
if (arg == argc) {
fprintf(
stderr,
"%s: -o needs a list of filesystem options.\n",
argv[0]
);
return 1;
}
fsoptions = argv[arg];
} else {
fprintf (stderr, "unknown option: %s\n", argv[arg]);
return 1;
}
} else {
if (!source)
source = argv[arg];
else if (!target)
target = argv[arg];
else {
fprintf (
stderr, "mount: source and mount only require: %s\n", argv[arg]);
return 1;
}
}
}
if (!type) {
fprintf (stderr, "mount: no file-system; see the -L option\n");
return 1;
}
if (!source) {
fprintf (stderr, "mount: no source\n");
return 1;
}
if (!target) {
fprintf (stderr, "mount: no mount point\n");
return 1;
}
/*
* Mount the disk.
*/
if (mount (source, target, type, options, fsoptions) < 0) {
fprintf (stderr, "error: %s\n", strerror(errno));
return 1;
}
printf ("mounted %s -> %s\n", source, target);
return 0;
}
rtems_shell_cmd_t rtems_shell_MOUNT_Command = {
"mount", /* name */
"mount [-t type] [-r] [-L] [-o options] source target", /* usage */
"files", /* topic */
rtems_shell_main_mount, /* command */
NULL, /* alias */
NULL /* next */
};