107 lines
2.4 KiB
C
107 lines
2.4 KiB
C
/* im_system(): run a command on an image
|
|
*
|
|
* 7/3/00 JC
|
|
* - hacked it in
|
|
* 21/10/02 JC
|
|
* - use mktemp() if mkstemp() is not available
|
|
* 10/3/03 JC
|
|
* - out can be NULL
|
|
* 23/12/04
|
|
* - use g_mkstemp()
|
|
* 8/9/09
|
|
* - add .v suffix (thanks Roland)
|
|
* - use vipsbuf
|
|
* - rewrite to make it simpler
|
|
*/
|
|
|
|
/*
|
|
|
|
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 <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif /*HAVE_UNISTD_H*/
|
|
#include <stdarg.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
|
|
#include <vips/vips.h>
|
|
|
|
#ifdef WITH_DMALLOC
|
|
#include <dmalloc.h>
|
|
#endif /*WITH_DMALLOC*/
|
|
|
|
#define IM_MAX_STRSIZE (4096)
|
|
|
|
#ifdef OS_WIN32
|
|
#define popen(b,m) _popen(b,m)
|
|
#define pclose(f) _pclose(f)
|
|
#endif /*OS_WIN32*/
|
|
|
|
/* Run a command on an IMAGE ... copy to tmp (if necessary), run
|
|
* command on it, unlink (if we copied), return stdout from command.
|
|
*/
|
|
int
|
|
im_system( IMAGE *im, const char *cmd, char **out )
|
|
{
|
|
FILE *fp;
|
|
|
|
if( !im_isfile( im ) ) {
|
|
IMAGE *disc;
|
|
|
|
if( !(disc = im__open_temp( "%s.v" )) )
|
|
return( -1 );
|
|
if( im_copy( im, disc ) ||
|
|
im_system( disc, cmd, out ) ) {
|
|
im_close( disc );
|
|
return( -1 );
|
|
}
|
|
im_close( disc );
|
|
}
|
|
else if( (fp = im_popenf( cmd, "r", im->filename )) ) {
|
|
char line[IM_MAX_STRSIZE];
|
|
char txt[IM_MAX_STRSIZE];
|
|
VipsBuf buf = VIPS_BUF_STATIC( txt );
|
|
|
|
while( fgets( line, IM_MAX_STRSIZE, fp ) )
|
|
if( !vips_buf_appends( &buf, line ) )
|
|
break;
|
|
pclose( fp );
|
|
|
|
if( out )
|
|
*out = im_strdup( NULL, vips_buf_all( &buf ) );
|
|
}
|
|
|
|
return( 0 );
|
|
}
|