60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
/**************************************************************************/
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/* */
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/* OCaml */
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/* */
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/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
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/* */
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/* Copyright 1996 Institut National de Recherche en Informatique et */
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/* en Automatique. */
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/* */
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/* All rights reserved. This file is distributed under the terms of */
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/* the GNU Lesser General Public License version 2.1, with the */
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/* special exception on linking described in the file LICENSE. */
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/* */
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/**************************************************************************/
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#define CAML_INTERNALS
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#include <sys/types.h>
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#include <caml/fail.h>
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#include <caml/mlvalues.h>
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#include <caml/io.h>
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#include <caml/signals.h>
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#include "unixsupport.h"
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#ifdef HAS_UNISTD
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#include <unistd.h>
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#endif
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#ifdef HAS_TRUNCATE
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CAMLprim value unix_ftruncate(value fd, value len)
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{
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int result;
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caml_enter_blocking_section();
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result = ftruncate(Int_val(fd), Long_val(len));
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caml_leave_blocking_section();
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if (result == -1) uerror("ftruncate", Nothing);
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return Val_unit;
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}
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CAMLprim value unix_ftruncate_64(value fd, value len)
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{
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int result;
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file_offset ofs = File_offset_val(len);
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caml_enter_blocking_section();
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result = ftruncate(Int_val(fd), ofs);
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caml_leave_blocking_section();
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if (result == -1) uerror("ftruncate", Nothing);
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return Val_unit;
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}
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#else
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CAMLprim value unix_ftruncate(value fd, value len)
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{ caml_invalid_argument("ftruncate not implemented"); }
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CAMLprim value unix_ftruncate_64(value fd, value len)
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{ caml_invalid_argument("ftruncate not implemented"); }
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#endif
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