Check if UITextFields are empty using Objective-C

gistfile1.m

BOOL emptyTextFields(id toCompare,...)
{
    va_list args;
    va_start(args, toCompare);
    
    id value = nil;
    BOOL match = NO;
    
    while ( (value = va_arg(args,id)) ){
        if( [toCompare isKindOfClass:[NSString class]] && [value isKindOfClass:[UITextField class]] ){
            if( [[(UITextField *)value text] isEqualToString:toCompare] )
                match = YES;
        }
    }
    
    va_end(args);
    return match;
}

/* Usage */

if( emptyTextFields(@"", // <-- compare to
                   sexo,
                   estadoFamiliar,
                   procedenciaFondos,
                   usoFondos,
                   profesion,
                   telefono,
                   nil) ) // <-- nil to finish
        return;
else
        NSLog ( @"valid UITextFields" );