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/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* 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 Library General Public License. */
/* */
/***********************************************************************/
/* $Id$ */
#include <mlvalues.h>
#include "unixsupport.h"
#ifdef HAS_UNISTD
#include <unistd.h>
#else
#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2
#endif
static int seek_command_table[] = {
FILE_BEGIN, FILE_CURRENT, FILE_END
};
CAMLprim value unix_lseek(value fd, value ofs, value cmd)
{
long ret;
ret = SetFilePointer(Handle_val(fd), Long_val(ofs), NULL,
seek_command_table[Int_val(cmd)]);
if (ret == -1) {
win32_maperr(GetLastError());
uerror("lseek", Nothing);
}
return Val_long(ret);
}
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