87 lines
2.0 KiB
C
87 lines
2.0 KiB
C
|
/* @(#) Try to make an IMAGE writeable. im_mmapin files become im_mmapinrw
|
||
|
|
* @(#) files, buffers are left alone and output files and partial images
|
||
|
|
* @(#) generate an error.
|
||
|
|
* @(#)
|
||
|
|
* @(#) int im_makerw( im )
|
||
|
|
* @(#) IMAGE *im;
|
||
|
|
* @(#)
|
||
|
|
* @(#) Returns non-zero on error.
|
||
|
|
* @(#)
|
||
|
|
* Copyright: John Cupitt
|
||
|
|
* Written on: 17/6/92
|
||
|
|
* Updated on:
|
||
|
|
* 15/4/93
|
||
|
|
* - checks for partial images added
|
||
|
|
* - now uses type field
|
||
|
|
* 31/8/93 JC
|
||
|
|
* - returns ok for IM_MMAPINRW type files now too
|
||
|
|
* - returns -1 rather than 1 on error
|
||
|
|
* - ANSIfied
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
|
||
|
|
This file is part of VIPS.
|
||
|
|
|
||
|
|
VIPS is free software; you can redistribute it and/or modify
|
||
|
|
it under the terms of the GNU Lesser General Public License as published by
|
||
|
|
the Free Software Foundation; either version 2 of the License, or
|
||
|
|
(at your option) any later version.
|
||
|
|
|
||
|
|
This program is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
GNU Lesser General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Lesser General Public License
|
||
|
|
along with this program; if not, write to the Free Software
|
||
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
|
|
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
|
||
|
|
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
|
||
|
|
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef HAVE_CONFIG_H
|
||
|
|
#include <config.h>
|
||
|
|
#endif /*HAVE_CONFIG_H*/
|
||
|
|
#include <vips/intl.h>
|
||
|
|
|
||
|
|
#include <vips/vips.h>
|
||
|
|
|
||
|
|
#ifdef WITH_DMALLOC
|
||
|
|
#include <dmalloc.h>
|
||
|
|
#endif /*WITH_DMALLOC*/
|
||
|
|
|
||
|
|
int
|
||
|
|
im_makerw( IMAGE *im )
|
||
|
|
{
|
||
|
|
/* This will rewind im_openout() files, and generate im_partial() files.
|
||
|
|
*/
|
||
|
|
if( im_incheck( im ) ) {
|
||
|
|
im_errormsg( "im_makerw: unable to rewind file" );
|
||
|
|
return( -1 );
|
||
|
|
}
|
||
|
|
|
||
|
|
switch( im->dtype ) {
|
||
|
|
case IM_SETBUF:
|
||
|
|
case IM_SETBUF_FOREIGN:
|
||
|
|
case IM_MMAPINRW:
|
||
|
|
break;
|
||
|
|
|
||
|
|
case IM_MMAPIN:
|
||
|
|
if( im_remapfilerw( im ) )
|
||
|
|
return( -1 );
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
im_errormsg( "im_makerw: bad file type" );
|
||
|
|
return( -1 );
|
||
|
|
}
|
||
|
|
|
||
|
|
return( 0 );
|
||
|
|
}
|