diff options
Diffstat (limited to 'ocaml/guestfs_c_actions.c')
| -rw-r--r-- | ocaml/guestfs_c_actions.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/ocaml/guestfs_c_actions.c b/ocaml/guestfs_c_actions.c index 01fbcb06..b1c4652b 100644 --- a/ocaml/guestfs_c_actions.c +++ b/ocaml/guestfs_c_actions.c @@ -35,6 +35,33 @@ #include "guestfs_c.h" +/* Copy a hashtable of string pairs into an assoc-list. We return + * the list in reverse order, but hashtables aren't supposed to be + * ordered anyway. + */ +static CAMLprim value +copy_table (char * const * argv) +{ + CAMLparam0 (); + CAMLlocal5 (rv, pairv, kv, vv, cons); + int i; + + rv = Val_int (0); + for (i = 0; argv[i] != NULL; i += 2) { + kv = caml_copy_string (argv[i]); + vv = caml_copy_string (argv[i+1]); + pairv = caml_alloc (2, 0); + Store_field (pairv, 0, kv); + Store_field (pairv, 1, vv); + cons = caml_alloc (2, 0); + Store_field (cons, 1, rv); + rv = cons; + Store_field (cons, 0, pairv); + } + + CAMLreturn (rv); +} + static CAMLprim value copy_lvm_pv (const struct guestfs_lvm_pv *pv) { @@ -1881,3 +1908,27 @@ ocaml_guestfs_statvfs (value gv, value pathv) CAMLreturn (rv); } +CAMLprim value +ocaml_guestfs_tune2fs_l (value gv, value devicev) +{ + CAMLparam2 (gv, devicev); + CAMLlocal1 (rv); + + guestfs_h *g = Guestfs_val (gv); + if (g == NULL) + caml_failwith ("tune2fs_l: used handle after closing it"); + + const char *device = String_val (devicev); + char **r; + + caml_enter_blocking_section (); + r = guestfs_tune2fs_l (g, device); + caml_leave_blocking_section (); + if (r == NULL) + ocaml_guestfs_raise_error (g, "tune2fs_l"); + + rv = copy_table (r); + free (r); + CAMLreturn (rv); +} + |