usr/src/lib/libast/common/stdio/fseek.c

   1 /***********************************************************************
   2 *                                                                      *
   3 *               This software is part of the ast package               *
   4 *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
   5 *                      and is licensed under the                       *
   6 *                  Common Public License, Version 1.0                  *
   7 *                    by AT&T Intellectual Property                     *
   8 *                                                                      *
   9 *                A copy of the License is available at                 *
  10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
  11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
  12 *                                                                      *
  13 *              Information and Software Systems Research               *
  14 *                            AT&T Research                             *
  15 *                           Florham Park NJ                            *
  16 *                                                                      *
  17 *                 Glenn Fowler <gsf@research.att.com>                  *
  18 *                  David Korn <dgk@research.att.com>                   *
  19 *                   Phong Vo <kpv@research.att.com>                    *
  20 *                                                                      *
  21 ***********************************************************************/
  22 #pragma prototyped
  23
  24 #ifndef _NO_LARGEFILE64_SOURCE
  25 #define _NO_LARGEFILE64_SOURCE  1
  26 #endif
  27
  28 #include "stdhdr.h"
  29
  30 int
  31 fseek(Sfio_t* f, long off, int op)
  32 {
  33         STDIO_INT(f, "fseek", int, (Sfio_t*, long, int), (f, off, op))
  34
  35         return sfseek(f, (Sfoff_t)off, op|SF_SHARE) >= 0 ? 0 : -1;
  36 }
  37
  38 #ifdef _typ_int64_t
  39
  40 int
  41 fseek64(Sfio_t* f, int64_t off, int op)
  42 {
  43         STDIO_INT(f, "fseek64", int, (Sfio_t*, int64_t, int), (f, off, op))
  44
  45         return sfseek(f, (Sfoff_t)off, op|SF_SHARE) >= 0 ? 0 : -1;
  46 }
  47
  48 #endif