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/**************************************************************************/
/* */
/* OCaml */
/* */
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* en Automatique. */
/* */
/* All rights reserved. This file is distributed under the terms of */
/* the GNU Lesser General Public License version 2.1, with the */
/* special exception on linking described in the file LICENSE. */
/* */
/**************************************************************************/
#define CAML_INTERNALS
#include <sys/types.h>
#include <caml/mlvalues.h>
#include <caml/memory.h>
#include <caml/fail.h>
#include <caml/signals.h>
#include <caml/io.h>
#include "unixsupport.h"
#ifdef HAS_UNISTD
#include <unistd.h>
#endif
#ifdef HAS_TRUNCATE
CAMLprim value unix_truncate(value path, value len)
{
CAMLparam2(path, len);
char * p;
int ret;
caml_unix_check_path(path, "truncate");
p = caml_strdup(String_val(path));
caml_enter_blocking_section();
ret = truncate(p, Long_val(len));
caml_leave_blocking_section();
caml_stat_free(p);
if (ret == -1)
uerror("truncate", path);
CAMLreturn(Val_unit);
}
CAMLprim value unix_truncate_64(value path, value vlen)
{
CAMLparam2(path, vlen);
char * p;
int ret;
file_offset len = File_offset_val(vlen);
caml_unix_check_path(path, "truncate");
p = caml_strdup(String_val(path));
caml_enter_blocking_section();
ret = truncate(p, len);
caml_leave_blocking_section();
caml_stat_free(p);
if (ret == -1)
uerror("truncate", path);
CAMLreturn(Val_unit);
}
#else
CAMLprim value unix_truncate(value path, value len)
{ caml_invalid_argument("truncate not implemented"); }
CAMLprim value unix_truncate_64(value path, value len)
{ caml_invalid_argument("truncate not implemented"); }
#endif
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