Generated code for head/tail commands.

3 files changed, 126 insertions, 4 deletions

diff --git a/ocaml/guestfs.ml b/ocaml/guestfs.ml
index b84504e7..c631024b 100644
--- a/ocaml/guestfs.ml
+++ b/ocaml/guestfs.ml
@@ -287,3 +287,7 @@ external mkdtemp : t -> string -> string = "ocaml_guestfs_mkdtemp"
 external wc_l : t -> string -> int = "ocaml_guestfs_wc_l"
 external wc_w : t -> string -> int = "ocaml_guestfs_wc_w"
 external wc_c : t -> string -> int = "ocaml_guestfs_wc_c"
+external head : t -> string -> string array = "ocaml_guestfs_head"
+external head_n : t -> int -> string -> string array = "ocaml_guestfs_head_n"
+external tail : t -> string -> string array = "ocaml_guestfs_tail"
+external tail_n : t -> int -> string -> string array = "ocaml_guestfs_tail_n"
diff --git a/ocaml/guestfs.mli b/ocaml/guestfs.mli
index 4c1ef721..97180b0d 100644
--- a/ocaml/guestfs.mli
+++ b/ocaml/guestfs.mli
@@ -640,3 +640,15 @@ val wc_w : t -> string -> int
 val wc_c : t -> string -> int
 (** count characters in a file *)
 
+val head : t -> string -> string array
+(** return first 10 lines of a file *)
+
+val head_n : t -> int -> string -> string array
+(** return first N lines of a file *)
+
+val tail : t -> string -> string array
+(** return last 10 lines of a file *)
+
+val tail_n : t -> int -> string -> string array
+(** return last N lines of a file *)
+
diff --git a/ocaml/guestfs_c_actions.c b/ocaml/guestfs_c_actions.c
index beb41d77..d8b05677 100644
--- a/ocaml/guestfs_c_actions.c
+++ b/ocaml/guestfs_c_actions.c
@@ -3901,9 +3901,9 @@ ocaml_guestfs_pvresize (value gv, value devicev)
 }
 
 CAMLprim value
-ocaml_guestfs_sfdisk_N (value gv, value devicev, value nv, value cylsv, value headsv, value sectorsv, value linev)
+ocaml_guestfs_sfdisk_N (value gv, value devicev, value partnumv, value cylsv, value headsv, value sectorsv, value linev)
 {
-  CAMLparam5 (gv, devicev, nv, cylsv, headsv);
+  CAMLparam5 (gv, devicev, partnumv, cylsv, headsv);
   CAMLxparam2 (sectorsv, linev);
   CAMLlocal1 (rv);
 
@@ -3912,7 +3912,7 @@ ocaml_guestfs_sfdisk_N (value gv, value devicev, value nv, value cylsv, value he
     caml_failwith ("sfdisk_N: used handle after closing it");
 
   const char *device = String_val (devicev);
-  int n = Int_val (nv);
+  int partnum = Int_val (partnumv);
   int cyls = Int_val (cylsv);
   int heads = Int_val (headsv);
   int sectors = Int_val (sectorsv);
@@ -3920,7 +3920,7 @@ ocaml_guestfs_sfdisk_N (value gv, value devicev, value nv, value cylsv, value he
   int r;
 
   caml_enter_blocking_section ();
-  r = guestfs_sfdisk_N (g, device, n, cyls, heads, sectors, line);
+  r = guestfs_sfdisk_N (g, device, partnum, cyls, heads, sectors, line);
   caml_leave_blocking_section ();
   if (r == -1)
     ocaml_guestfs_raise_error (g, "sfdisk_N");
@@ -4436,3 +4436,109 @@ ocaml_guestfs_wc_c (value gv, value pathv)
   CAMLreturn (rv);
 }
 
+CAMLprim value
+ocaml_guestfs_head (value gv, value pathv)
+{
+  CAMLparam2 (gv, pathv);
+  CAMLlocal1 (rv);
+
+  guestfs_h *g = Guestfs_val (gv);
+  if (g == NULL)
+    caml_failwith ("head: used handle after closing it");
+
+  const char *path = String_val (pathv);
+  int i;
+  char **r;
+
+  caml_enter_blocking_section ();
+  r = guestfs_head (g, path);
+  caml_leave_blocking_section ();
+  if (r == NULL)
+    ocaml_guestfs_raise_error (g, "head");
+
+  rv = caml_copy_string_array ((const char **) r);
+  for (i = 0; r[i] != NULL; ++i) free (r[i]);
+  free (r);
+  CAMLreturn (rv);
+}
+
+CAMLprim value
+ocaml_guestfs_head_n (value gv, value nrlinesv, value pathv)
+{
+  CAMLparam3 (gv, nrlinesv, pathv);
+  CAMLlocal1 (rv);
+
+  guestfs_h *g = Guestfs_val (gv);
+  if (g == NULL)
+    caml_failwith ("head_n: used handle after closing it");
+
+  int nrlines = Int_val (nrlinesv);
+  const char *path = String_val (pathv);
+  int i;
+  char **r;
+
+  caml_enter_blocking_section ();
+  r = guestfs_head_n (g, nrlines, path);
+  caml_leave_blocking_section ();
+  if (r == NULL)
+    ocaml_guestfs_raise_error (g, "head_n");
+
+  rv = caml_copy_string_array ((const char **) r);
+  for (i = 0; r[i] != NULL; ++i) free (r[i]);
+  free (r);
+  CAMLreturn (rv);
+}
+
+CAMLprim value
+ocaml_guestfs_tail (value gv, value pathv)
+{
+  CAMLparam2 (gv, pathv);
+  CAMLlocal1 (rv);
+
+  guestfs_h *g = Guestfs_val (gv);
+  if (g == NULL)
+    caml_failwith ("tail: used handle after closing it");
+
+  const char *path = String_val (pathv);
+  int i;
+  char **r;
+
+  caml_enter_blocking_section ();
+  r = guestfs_tail (g, path);
+  caml_leave_blocking_section ();
+  if (r == NULL)
+    ocaml_guestfs_raise_error (g, "tail");
+
+  rv = caml_copy_string_array ((const char **) r);
+  for (i = 0; r[i] != NULL; ++i) free (r[i]);
+  free (r);
+  CAMLreturn (rv);
+}
+
+CAMLprim value
+ocaml_guestfs_tail_n (value gv, value nrlinesv, value pathv)
+{
+  CAMLparam3 (gv, nrlinesv, pathv);
+  CAMLlocal1 (rv);
+
+  guestfs_h *g = Guestfs_val (gv);
+  if (g == NULL)
+    caml_failwith ("tail_n: used handle after closing it");
+
+  int nrlines = Int_val (nrlinesv);
+  const char *path = String_val (pathv);
+  int i;
+  char **r;
+
+  caml_enter_blocking_section ();
+  r = guestfs_tail_n (g, nrlines, path);
+  caml_leave_blocking_section ();
+  if (r == NULL)
+    ocaml_guestfs_raise_error (g, "tail_n");
+
+  rv = caml_copy_string_array ((const char **) r);
+  for (i = 0; r[i] != NULL; ++i) free (r[i]);
+  free (r);
+  CAMLreturn (rv);
+}
+