Changes in uspace/app/bdsh/cmds/modules/mount/mount.c [e6cb880:41047bf] in mainline

File:

• uspace/app/bdsh/cmds/modules/mount/mount.c (modified) (5 diffs)

uspace/app/bdsh/cmds/modules/mount/mount.c

@@ -30 +30 @@
 #include <stdlib.h>
 #include <vfs/vfs.h>
+#include <adt/list.h>
 #include <errno.h>
 #include <getopt.h>
+#include <inttypes.h>
 #include "config.h"
 #include "util.h"
@@ -43 +45 @@
 static struct option const long_options[] = {
         { "help", no_argument, 0, 'h' },
+        { "instance", required_argument, 0, 'i' },
         { 0, 0, 0, 0 }
 };
@@ -51 +54 @@
 {
         static char helpfmt[] =
-            "Usage:  %s <fstype> <mp> <dev> [<moptions>]\n";
+            "Usage:  %s <fstype> <mp> [dev] [<moptions>]\n";
         if (level == HELP_SHORT) {
                 printf("'%s' mounts a file system.\n", cmdname);
@@ -61 +64 @@
 }
 
+static void print_mtab_list(void)
+{
+        LIST_INITIALIZE(mtab_list);
+        get_mtab_list(&mtab_list);
+
+        mtab_ent_t *old_ent = NULL;
+
+        list_foreach(mtab_list, cur) {
+                mtab_ent_t *mtab_ent = list_get_instance(cur, mtab_ent_t,
+                    link);
+
+                if (old_ent)
+                        free(old_ent);
+
+                old_ent = mtab_ent;
+
+                printf("%s", mtab_ent->fs_name);
+                if (mtab_ent->instance)
+                        printf("/%d", mtab_ent->instance);
+                printf(" on %s ", mtab_ent->mp);
+
+                if (str_size(mtab_ent->opts) > 0)
+                        printf("opts=%s ", mtab_ent->opts);
+
+                printf("(service=%" PRIun ")\n", mtab_ent->service_id);
+        }
+
+        if (old_ent)
+                free(old_ent);
+}
+
 /* Main entry point for mount, accepts an array of arguments */
 int cmd_mount(char **argv)
@@ -66 +100 @@
         unsigned int argc;
         const char *mopts = "";
+        const char *dev = "";
         int rc, c, opt_ind;
+        unsigned int instance = 0;
+        bool instance_set = false;
+        char **t_argv;
 
         argc = cli_count_args(argv);
 
         for (c = 0, optind = 0, opt_ind = 0; c != -1;) {
-                c = getopt_long(argc, argv, "h", long_options, &opt_ind);
+                c = getopt_long(argc, argv, "i:h", long_options, &opt_ind);
                 switch (c) {
                 case 'h':
                         help_cmd_mount(HELP_LONG);
                         return CMD_SUCCESS;
+                case 'i':
+                        instance = (unsigned int) strtol(optarg, NULL, 10);
+                        instance_set = true;
+                        break;
                 }
         }
 
-        if ((argc < 4) || (argc > 5)) {
+        if (instance_set) {
+                argc -= 2;
+                t_argv = &argv[2];
+        } else
+                t_argv = &argv[0];
+
+        if ((argc == 2) || (argc > 5)) {
                 printf("%s: invalid number of arguments. Try `mount --help'\n",
                     cmdname);
                 return CMD_FAILURE;
         }
+        if (argc == 1) {
+                print_mtab_list();
+                return CMD_SUCCESS;
+        }
+        if (argc > 3)
+                dev = t_argv[3];
         if (argc == 5)
-                mopts = argv[4];
+                mopts = t_argv[4];
 
-        rc = mount(argv[1], argv[2], argv[3], mopts, 0);
+        rc = mount(t_argv[1], t_argv[2], dev, mopts, 0, instance);
         if (rc != EOK) {
                 printf("Unable to mount %s filesystem to %s on %s (rc=%d)\n",
-                    argv[1], argv[2], argv[3], rc);
+                    t_argv[1], t_argv[2], t_argv[3], rc);
                 return CMD_FAILURE;
         }