diff options
Diffstat (limited to 'usr/src/lib/libbc/libc/stdio/common/fseek.c')
-rw-r--r-- | usr/src/lib/libbc/libc/stdio/common/fseek.c | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/usr/src/lib/libbc/libc/stdio/common/fseek.c b/usr/src/lib/libbc/libc/stdio/common/fseek.c deleted file mode 100644 index 348f11302d..0000000000 --- a/usr/src/lib/libbc/libc/stdio/common/fseek.c +++ /dev/null @@ -1,94 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* - * Copyright 1986 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -/* Copyright (c) 1984 AT&T */ -/* All Rights Reserved */ - -#pragma ident "%Z%%M% %I% %E% SMI" /* from S5R2 1.3 */ - -/*LINTLIBRARY*/ -/* - * Seek for standard library. Coordinates with buffering. - */ -#include <stdio.h> - -extern long lseek(); -extern int fflush(); - -int -fseek(iop, offset, ptrname) -register FILE *iop; -long offset; -int ptrname; -{ - register int resync, c; - long p = -1; /* can't happen? */ - - iop->_flag &= ~_IOEOF; - if(iop->_flag & _IOREAD) { - if(ptrname < 2 && iop->_base && !(iop->_flag&_IONBF)) { - c = iop->_cnt; - p = offset; - if(ptrname == 0) { - long curpos = lseek(fileno(iop), 0L, 1); - if (curpos == -1) - return (-1); - p += c - curpos; - resync = offset&01; - } else { - offset -= (long)c; - resync = 0; - } - if(!(iop->_flag&_IORW) && c > 0 && p <= c && - p >= iop->_base - iop->_ptr) { - iop->_ptr += (int)p; - iop->_cnt -= (int)p; - return(0); - } - } else - resync = 0; - if(iop->_flag & _IORW) { - iop->_ptr = iop->_base; - iop->_flag &= ~_IOREAD; - resync = 0; - } - p = lseek(fileno(iop), offset-resync, ptrname); - iop->_cnt = 0; - if (resync && p != -1) - if (getc(iop) == EOF) - p = -1; - } else if(iop->_flag & (_IOWRT | _IORW)) { - p = fflush(iop); - iop->_cnt = 0; - if(iop->_flag & _IORW) { - iop->_flag &= ~_IOWRT; - iop->_ptr = iop->_base; - } - return(lseek(fileno(iop), offset, ptrname) == -1 || p == EOF ? - -1 : 0); - } - return((p == -1)? -1: 0); -} |