67 lines
2.0 KiB
C
67 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. All rights reserved. This file is distributed */
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/* under the terms of the GNU Library General Public License, with */
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/* the special exception on linking described in file ../../LICENSE. */
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/* */
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/***********************************************************************/
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#include <sys/types.h>
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#include <mlvalues.h>
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#include <memory.h>
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#include <fail.h>
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#include <signals.h>
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#include <io.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_truncate(value path, value len)
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{
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CAMLparam2(path, len);
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char * p;
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int ret;
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p = caml_strdup(String_val(path));
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caml_enter_blocking_section();
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ret = truncate(p, Long_val(len));
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caml_leave_blocking_section();
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caml_stat_free(p);
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if (ret == -1)
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uerror("truncate", path);
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CAMLreturn(Val_unit);
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}
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CAMLprim value unix_truncate_64(value path, value vlen)
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{
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CAMLparam2(path, vlen);
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char * p;
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int ret;
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file_offset len = File_offset_val(vlen);
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p = caml_strdup(String_val(path));
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caml_enter_blocking_section();
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ret = truncate(p, len);
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caml_leave_blocking_section();
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caml_stat_free(p);
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if (ret == -1)
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uerror("truncate", path);
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CAMLreturn(Val_unit);
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}
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#else
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CAMLprim value unix_truncate(value path, value len)
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{ invalid_argument("truncate not implemented"); }
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CAMLprim value unix_truncate_64(value path, value len)
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{ invalid_argument("truncate not implemented"); }
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#endif
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