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warn about default TRUE bool args

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to stop anyone making one again, hopefully
This commit is contained in:
John Cupitt 2018-10-31 12:45:17 +00:00
parent 0b050f4046
commit aaf26765f2
1 changed files with 14 additions and 1 deletions
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15
libvips/iofuncs/object.c
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@ -1785,7 +1785,20 @@ vips_object_class_install_argument( VipsObjectClass *object_class,
g_type_name( G_TYPE_FROM_CLASS( object_class ) ),
g_param_spec_get_name( pspec ),
g_type_name( G_TYPE_FROM_CLASS( ac->object_class ) ),
g_param_spec_get_name( ((VipsArgument *) ac)->pspec ) );
g_param_spec_get_name( ((VipsArgument *) ac)->pspec ) );
/* Warn about optional boolean args which default TRUE. These won't
* work from the CLI, since simple GOption switches don't allow
* `=false`.
*/
if( !(flags & VIPS_ARGUMENT_REQUIRED) &&
!(flags & VIPS_ARGUMENT_DEPRECATED) &&
G_IS_PARAM_SPEC_BOOLEAN( pspec ) &&
G_PARAM_SPEC_BOOLEAN( pspec )->default_value )
g_warning( "vips_object_class_install_argument: "
"default TRUE BOOL arg %s.%s",
g_type_name( G_TYPE_FROM_CLASS( object_class ) ),
g_param_spec_get_name( pspec ) );
argument_table_traverse = g_slist_prepend(
argument_table_traverse, argument_class );