diff options
Diffstat (limited to 'devnode/devnode.c')
| -rw-r--r-- | devnode/devnode.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/devnode/devnode.c b/devnode/devnode.c index 55fd8d92..299de3c3 100644 --- a/devnode/devnode.c +++ b/devnode/devnode.c @@ -43,6 +43,7 @@ static char *device_name; /* The device name used by the socket servers. */ static char *user_device_name; +static char *master_file; /* The master device port for opening the interface. */ static mach_port_t master_device; @@ -238,6 +239,28 @@ ds_device_set_filter (device_t device, mach_port_t receive_port, return D_INVALID_OPERATION; } +error_t +trivfs_append_args (struct trivfs_control *fsys, char **argz, size_t *argz_len) +{ + error_t err = 0; + +#define ADD_OPT(fmt, args...) \ + do { char buf[100]; \ + if (! err) { \ + snprintf (buf, sizeof buf, fmt , ##args); \ + err = argz_add (argz, argz_len, buf); } } while (0) + + if (user_device_name) + ADD_OPT ("--name=%s", user_device_name); + if (master_file) + ADD_OPT ("--master-device=%s", master_file); + + ADD_OPT (device_name); + +#undef ADD_OPT + return err; +} + void trivfs_modify_stat (struct trivfs_protid *cred, io_statbuf_t *stat) { @@ -275,6 +298,7 @@ parse_opt (int opt, char *arg, struct argp_state *state) switch (opt) { case 'M': + master_file = arg; master_device = file_name_lookup (arg, 0, 0); if (master_device == MACH_PORT_NULL) error (1, errno, "file_name_lookup"); |