diff options
Diffstat (limited to 'utils/fsysopts.c')
| -rw-r--r-- | utils/fsysopts.c | 39 |
1 files changed, 24 insertions, 15 deletions
diff --git a/utils/fsysopts.c b/utils/fsysopts.c index 120c3b7a..9d6aa8a1 100644 --- a/utils/fsysopts.c +++ b/utils/fsysopts.c @@ -37,10 +37,11 @@ static struct argp_option options[] = {"recursive", 'R', 0, 0, "Pass these options to any child translators"}, {0, 0, 0, 0} }; -static char *args_doc = "FILESYS FS_OPTION..."; +static char *args_doc = "FILESYS [FS_OPTION...]"; static char *doc = "The legal values for FS_OPTION depends on FILESYS, but\ some common ones are: --readonly, --writable, --remount, --sync[=INTERVAL],\ - and --nosync."; + and --nosync.\n\nIf no options are supplied, FILESYS's existing options\ + are printed"; /* ---------------------------------------------------------------- */ @@ -49,9 +50,6 @@ main(int argc, char *argv[]) { error_t err; - /* The filesystem we're passing options to. */ - fsys_t fsys; - /* The file we use as a handle to get FSYS. */ char *node_name = 0; file_t node; @@ -75,9 +73,6 @@ main(int argc, char *argv[]) state->index = state->argc; /* stop parsing */ break; - case ARGP_KEY_NO_ARGS: - argp_usage (state->argp); /* exits */ - case 'R': recursive = 1; break; case 'L': deref = 1; break; @@ -94,16 +89,30 @@ main(int argc, char *argv[]) if (node == MACH_PORT_NULL) error (1, errno, "%s", node_name); - /* Get the filesystem for NODE. */ - err = file_getcontrol (node, &fsys); - if (err) - error (2, err, "%s", node_name); + if (argz_len) + { + /* The filesystem we're passing options to. */ + fsys_t fsys; + + /* Get the filesystem for NODE. */ + err = file_getcontrol (node, &fsys); + if (err) + error (2, err, "%s", node_name); - err = fsys_set_options (fsys, argz, argz_len, recursive); - if (err) + err = fsys_set_options (fsys, argz, argz_len, recursive); + if (err) + { + argz_stringify (argz, argz_len); + error(5, err, "%s: %s", node_name, argz); + } + } + else { + err = file_get_fs_options (node, &argz, &argz_len); + if (err) + error (5, err, "%s", node_name); argz_stringify (argz, argz_len); - error(5, err, "%s: %s", node_name, argz); + puts (argz); } exit(0); |