72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
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/* @(#) Function which unmaps a file memory mapped by mapfile()
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* @(#) The argument baseaddress should be the pointer returned by mapfile();
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* @(#) The function finds the size of the file from
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* @(#)
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* @(#) int im_unmapfile(fd, baseaddress)
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* @(#) int fd;
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* @(#) char *baseaddress;
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* @(#)
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* @(#) Returns 0 on success and -1 on error.
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* @(#)
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* Copyright: Nicos Dessipris
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* Wriiten on: 13/02/1990
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* Updated on:
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* 18/4/97 JC
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* - ANSIfied
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*/
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/*
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This file is part of VIPS.
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VIPS is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif /*HAVE_CONFIG_H*/
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#include <vips/intl.h>
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#include <sys/types.h>
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#ifdef HAVE_SYS_MMAN_H
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#include <sys/mman.h>
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#endif
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#include <sys/stat.h>
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#include <vips/vips.h>
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#include <vips/internal.h>
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#ifdef WITH_DMALLOC
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#include <dmalloc.h>
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#endif /*WITH_DMALLOC*/
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int
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im_unmapfile( IMAGE *im )
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{
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if( im__munmap( im->baseaddr, im->length ) )
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return( -1 );
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im->baseaddr = NULL;
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im->length = 0;
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return( 0 );
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}
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