11.14Smatt/* $NetBSD: ftruncate.c,v 1.14 2012/03/20 16:26:12 matt Exp $ */ 21.3Scgd 31.2Scgd/* 41.2Scgd * Copyright (c) 1992, 1993 51.2Scgd * The Regents of the University of California. All rights reserved. 61.2Scgd * 71.2Scgd * Redistribution and use in source and binary forms, with or without 81.2Scgd * modification, are permitted provided that the following conditions 91.2Scgd * are met: 101.2Scgd * 1. Redistributions of source code must retain the above copyright 111.2Scgd * notice, this list of conditions and the following disclaimer. 121.2Scgd * 2. Redistributions in binary form must reproduce the above copyright 131.2Scgd * notice, this list of conditions and the following disclaimer in the 141.2Scgd * documentation and/or other materials provided with the distribution. 151.11Sagc * 3. Neither the name of the University nor the names of its contributors 161.2Scgd * may be used to endorse or promote products derived from this software 171.2Scgd * without specific prior written permission. 181.2Scgd * 191.2Scgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 201.2Scgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 211.2Scgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 221.2Scgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 231.2Scgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 241.2Scgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 251.2Scgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 261.2Scgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 271.2Scgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 281.2Scgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 291.2Scgd * SUCH DAMAGE. 301.2Scgd */ 311.2Scgd 321.7Schristos#include <sys/cdefs.h> 331.2Scgd#if defined(LIBC_SCCS) && !defined(lint) 341.3Scgd#if 0 351.3Scgdstatic char sccsid[] = "@(#)ftruncate.c 8.1 (Berkeley) 6/17/93"; 361.3Scgd#else 371.14Smatt__RCSID("$NetBSD: ftruncate.c,v 1.14 2012/03/20 16:26:12 matt Exp $"); 381.3Scgd#endif 391.2Scgd#endif /* LIBC_SCCS and not lint */ 401.1Scgd 411.8Skleink#include "namespace.h" 421.1Scgd#include <sys/types.h> 431.1Scgd#include <sys/syscall.h> 441.4Scgd#include <unistd.h> 451.8Skleink 461.8Skleink#ifdef __weak_alias 471.10Smycroft__weak_alias(ftruncate,_ftruncate) 481.8Skleink#endif 491.1Scgd 501.13Suebayasiint __ftruncate(int, int, off_t); 511.12Sdsl 521.2Scgd/* 531.2Scgd * This function provides 64-bit offset padding that 541.2Scgd * is not supplied by GCC 1.X but is supplied by GCC 2.X. 551.2Scgd */ 561.1Scgdint 571.14Smattftruncate(int fd, off_t length) 581.1Scgd{ 591.1Scgd 601.12Sdsl return __ftruncate(fd, 0, length); 611.1Scgd} 62