2 * CDE - Common Desktop Environment
4 * Copyright (c) 1993-2012, The Open Group. All rights reserved.
6 * These libraries and programs are free software; you can
7 * redistribute them and/or modify them under the terms of the GNU
8 * Lesser General Public License as published by the Free Software
9 * Foundation; either version 2 of the License, or (at your option)
12 * These libraries and programs are distributed in the hope that
13 * they will be useful, but WITHOUT ANY WARRANTY; without even the
14 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU Lesser General Public License for more
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with these librararies and programs; if not, write
20 * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
21 * Floor, Boston, MA 02110-1301 USA
23 /* $XConsortium: sfsk.c /main/3 1995/11/01 18:36:35 rswiston $ */
24 /***************************************************************
26 * AT&T - PROPRIETARY *
28 * THIS IS PROPRIETARY SOURCE CODE LICENSED BY *
31 * Copyright (c) 1995 AT&T Corp. *
32 * All Rights Reserved *
34 * This software is licensed by AT&T Corp. *
35 * under the terms and conditions of the license in *
36 * http://www.research.att.com/orgs/ssr/book/reuse *
38 * This software was created by the *
39 * Software Engineering Research Department *
40 * AT&T Bell Laboratories *
42 * For further information contact *
43 * gsf@research.att.com *
45 ***************************************************************/
48 /* Seek function that knows discipline
50 ** Written by Kiem-Phong Vo (02/12/91)
53 long sfsk(reg Sfio_t* f, reg long addr, reg int type, reg Sfdisc_t* disc)
55 long sfsk(f,addr,type,disc)
63 reg int s, local, string;
66 if(!local && !(f->mode&SF_LOCK))
69 if(!(string = (f->flags&SF_STRING)))
70 SFDISC(f,disc,seekf,local);
79 s = (int)(addr + f->here);
80 else s = (int)(addr + f->extent);
84 if(disc && disc->seekf)
85 p = (*(disc->seekf))(f,addr,type,disc);
86 else p = lseek(f->file,addr,type);
94 switch(_sfexcept(f,SF_SEEK,s,disc))