ocaml/otherlibs/unix/write.c

28 lines
1.1 KiB
C

/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* Automatique. Distributed only by permission. */
/* */
/***********************************************************************/
/* $Id$ */
#include <mlvalues.h>
#include "unixsupport.h"
value unix_write(fd, buf, ofs, len) /* ML */
value fd, buf, ofs, len;
{
int ret;
buf = unix_freeze_buffer(buf);
enter_blocking_section();
ret = write(Int_val(fd), &Byte(buf, Long_val(ofs)), Int_val(len));
leave_blocking_section();
if (ret == -1) uerror("write", Nothing);
return Val_int(ret);
}