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set defaut values for streamiu signals 

In case no user signals are attached. Remove some dbg code.
This commit is contained in:
John Cupitt 2019-11-21 16:32:36 +00:00
parent 857aafc8c2
commit 6423721951
1 changed files with 13 additions and 38 deletions
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51
libvips/iofuncs/streamiu.c
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@ -37,8 +37,8 @@
*/
/*
*/
#define VIPS_DEBUG
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
@ -75,46 +75,24 @@ enum {
static guint vips_streamiu_signals[SIG_LAST] = { 0 };
static void
vips_streamiu_finalize( GObject *gobject )
{
VipsStreamiu *streamiu = VIPS_STREAMIU( gobject );
VIPS_DEBUG_MSG( "vips_streamiu_finalize:\n" );
G_OBJECT_CLASS( vips_streamiu_parent_class )->finalize( gobject );
}
static int
vips_streamiu_build( VipsObject *object )
{
VipsStream *stream = VIPS_STREAM( object );
VipsStreamiu *streamiu = VIPS_STREAMIU( object );
VipsStreamiuClass *class = VIPS_STREAMIU_GET_CLASS( streamiu );
VIPS_DEBUG_MSG( "vips_streamiu_build: %p\n", streamiu );
if( VIPS_OBJECT_CLASS( vips_streamiu_parent_class )->
build( object ) )
return( -1 );
return( 0 );
}
static ssize_t
vips_streamiu_read_real( VipsStreami *streami,
void *data, size_t length )
{
ssize_t size;
ssize_t bytes_read;
VIPS_DEBUG_MSG( "vips_streamiu_read_real:\n" );
/* Return value if no attached handler.
*/
bytes_read = 0;
g_signal_emit( streami, vips_streamiu_signals[SIG_READ], 0,
data, length, &size );
data, length, &bytes_read );
VIPS_DEBUG_MSG( " %zd\n", size );
VIPS_DEBUG_MSG( " %zd\n", bytes_read );
return( size );
return( bytes_read );
}
static gint64
@ -125,6 +103,10 @@ vips_streamiu_seek_real( VipsStreami *streami,
VIPS_DEBUG_MSG( "vips_streamiu_seek_real:\n" );
/* If there's no user action attached, we fail.
*/
new_position = -1;
g_signal_emit( streami, vips_streamiu_signals[SIG_SEEK], 0,
offset, whence, &new_position );
@ -154,19 +136,12 @@ vips_streamiu_seek_signal_real( VipsStreamiu *streamiu,
static void
vips_streamiu_class_init( VipsStreamiuClass *class )
{
GObjectClass *gobject_class = G_OBJECT_CLASS( class );
VipsObjectClass *object_class = VIPS_OBJECT_CLASS( class );
VipsStreamiClass *streami_class = VIPS_STREAMI_CLASS( class );
gobject_class->finalize = vips_streamiu_finalize;
gobject_class->set_property = vips_object_set_property;
gobject_class->get_property = vips_object_get_property;
object_class->nickname = "streamiu";
object_class->description = _( "input stream" );
object_class->build = vips_streamiu_build;
streami_class->read = vips_streamiu_read_real;
streami_class->seek = vips_streamiu_seek_real;