libvips/fuzz/thumbnail_fuzzer.cc
2019-08-02 17:56:33 +02:00

44 lines
754 B
C++

#include <vips/vips.h>
extern "C" int
LLVMFuzzerInitialize( int *argc, char ***argv )
{
vips_concurrency_set( 1 );
return( 0 );
}
extern "C" int
LLVMFuzzerTestOneInput( const guint8 *data, size_t size )
{
VipsImage *in, *out;
size_t width, height, bands;
double d;
if( !(in = vips_image_new_from_buffer( data, size, "", NULL )) ) {
return( 0 );
}
width = in->Xsize;
height = in->Ysize;
bands = in->Bands;
/* Skip big images. It is likely to timeout.
*/
if ( width * height * bands > 256 * 256 * 16 ) {
g_object_unref( in );
return( 0 );
}
if( vips_thumbnail_image( in, &out, 42, NULL ) ) {
g_object_unref( in );
return( 0 );
}
vips_avg( out, &d, NULL );
g_object_unref( out );
g_object_unref( in );
return( 0 );
}