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|
(* TEST
include unix;
hasunix;
{
bytecode;
}{
native;
}
*)
let str = "Hello, OCaml!"
let txt = "truncate.txt"
let test file openfile stat truncate delta close =
let () =
let c = open_out_bin file in
output_string c str;
close_out c
in
let size file =
(stat file).Unix.st_size
in
let file = openfile file in
Printf.printf "initial size: %d\n%!" (size file);
truncate file (size file - delta);
Printf.printf "new size: %d\n%!" (size file);
truncate file 0;
Printf.printf "final size: %d\n%!" (size file);
close file
let () =
test "truncate.txt" (fun x -> x) Unix.stat Unix.truncate 2 ignore
let () =
let open_it file = Unix.openfile file [O_RDWR] 0 in
test "ftruncate.txt" open_it Unix.fstat Unix.ftruncate 3 Unix.close
|
