158f0484fSRodney W. Grimes.\" Copyright (c) 1980, 1991, 1993 258f0484fSRodney W. Grimes.\" The Regents of the University of California. All rights reserved. 358f0484fSRodney W. Grimes.\" 458f0484fSRodney W. Grimes.\" Redistribution and use in source and binary forms, with or without 558f0484fSRodney W. Grimes.\" modification, are permitted provided that the following conditions 658f0484fSRodney W. Grimes.\" are met: 758f0484fSRodney W. Grimes.\" 1. Redistributions of source code must retain the above copyright 858f0484fSRodney W. Grimes.\" notice, this list of conditions and the following disclaimer. 958f0484fSRodney W. Grimes.\" 2. Redistributions in binary form must reproduce the above copyright 1058f0484fSRodney W. Grimes.\" notice, this list of conditions and the following disclaimer in the 1158f0484fSRodney W. Grimes.\" documentation and/or other materials provided with the distribution. 1258f0484fSRodney W. Grimes.\" 3. All advertising materials mentioning features or use of this software 1358f0484fSRodney W. Grimes.\" must display the following acknowledgement: 1458f0484fSRodney W. Grimes.\" This product includes software developed by the University of 1558f0484fSRodney W. Grimes.\" California, Berkeley and its contributors. 1658f0484fSRodney W. Grimes.\" 4. Neither the name of the University nor the names of its contributors 1758f0484fSRodney W. Grimes.\" may be used to endorse or promote products derived from this software 1858f0484fSRodney W. Grimes.\" without specific prior written permission. 1958f0484fSRodney W. Grimes.\" 2058f0484fSRodney W. Grimes.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2158f0484fSRodney W. Grimes.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2258f0484fSRodney W. Grimes.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2358f0484fSRodney W. Grimes.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2458f0484fSRodney W. Grimes.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2558f0484fSRodney W. Grimes.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2658f0484fSRodney W. Grimes.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2758f0484fSRodney W. Grimes.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2858f0484fSRodney W. Grimes.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2958f0484fSRodney W. Grimes.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3058f0484fSRodney W. Grimes.\" SUCH DAMAGE. 3158f0484fSRodney W. Grimes.\" 3258f0484fSRodney W. Grimes.\" @(#)valloc.3 8.1 (Berkeley) 6/4/93 3358f0484fSRodney W. Grimes.\" 3458f0484fSRodney W. Grimes.Dd June 4, 1993 3558f0484fSRodney W. Grimes.Dt VALLOC 3 3658f0484fSRodney W. Grimes.Os BSD 3 3758f0484fSRodney W. Grimes.Sh NAME 3858f0484fSRodney W. Grimes.Nm valloc 3958f0484fSRodney W. Grimes.Nd aligned memory allocation function 4058f0484fSRodney W. Grimes.Sh SYNOPSIS 4158f0484fSRodney W. Grimes.Fd #include <unistd.h> 42a3315650SBruce Evans.Ft void * 43a3315650SBruce Evans.Fn valloc "size_t size" 4458f0484fSRodney W. Grimes.Sh DESCRIPTION 4558f0484fSRodney W. Grimes.Bf -symbolic 4658f0484fSRodney W. GrimesValloc is obsoleted by the current version of malloc(3), 4758f0484fSRodney W. Grimeswhich aligns page-sized and larger allocations. 4858f0484fSRodney W. Grimes.Ef 4958f0484fSRodney W. Grimes.Pp 5058f0484fSRodney W. GrimesThe 5158f0484fSRodney W. Grimes.Fn valloc 5258f0484fSRodney W. Grimesfunction 5358f0484fSRodney W. Grimesallocates 5458f0484fSRodney W. Grimes.Fa size 5558f0484fSRodney W. Grimesbytes aligned on a page boundary. 5658f0484fSRodney W. GrimesIt is implemented by calling 5758f0484fSRodney W. Grimes.Xr malloc 3 5858f0484fSRodney W. Grimeswith a slightly larger request, saving the true beginning of the block 5958f0484fSRodney W. Grimesallocated, and returning a properly aligned pointer. 6058f0484fSRodney W. Grimes.Sh RETURN VALUES 6158f0484fSRodney W. GrimesThe 6258f0484fSRodney W. Grimes.Fn valloc 6358f0484fSRodney W. Grimesfunction returns 6458f0484fSRodney W. Grimesa pointer to the allocated space if successful; otherwise 6558f0484fSRodney W. Grimesa null pointer is returned 6658f0484fSRodney W. Grimes.Sh HISTORY 6758f0484fSRodney W. GrimesThe 6858f0484fSRodney W. Grimes.Fn valloc 6958f0484fSRodney W. Grimesfunction appeared in 7058f0484fSRodney W. Grimes.Bx 3.0 . 7158f0484fSRodney W. Grimes.Sh BUGS 7258f0484fSRodney W. GrimesA 7358f0484fSRodney W. Grimes.Em vfree 7458f0484fSRodney W. Grimesfunction 7558f0484fSRodney W. Grimeshas not been implemented. 76