> It looks to me it is a bug. axiom_attribute_get_value should be
> returning a const axis2_char_t.
Yes, I think you are correct here. But, even if we do return a const,
casting can do the trick isn't it? Take a situation where we return a
non-const ref through a const return statement. Would a box-in conversion
preserve the const-ness?
Regards,
Senaka
>
> Samisa...
>
> Alastair FETTES wrote:
>>
>> Axis2C Developers:
>>
>> There seems to be a fundamental problem with functions that return
>> values of type axis2_chart_t*. We have only investigated a couple of
>> them but it appears that const values are being casted away in some
>> instances. Please view the following example:
>>
>> <snippet>
>> AXIS2_EXTERN
>> axis2_char_t*
>> axiom_attribute_get_value(
>> axiom_attribute_t * attribute,
>> const axutil_env_t * env)
>> {
>> if (attribute->value)
>> {
>> return (axis2_char_t *)
>> axutil_string_get_buffer(attribute->value, env);
>> }
>> return NULL;
>> }
>> </snippet>
>>
>> Note that the return value of axiom_attribute_get_value is a NON-const
>> axis2_char_t*. Note the cast on the return value of function
>> axutil_string_get_buffer. Here is the declaration of
>> axutil_string_get_buffer.
>>
>> <snippet>
>> AXIS2_EXTERN
>> const axis2_char_t*
>> axutil_string_get_buffer(
>> const struct axutil_string *string,
>> const axutil_env_t * env);
>> </snippet>
>>
>> Note that the return value is a CONST axis2_char_t*. The const
>> attribute of this pointer is being removed via the cast.
>>
>> Is this expected functionality? If not I suggest you research all
>> functions that return axis2_char_t*.
>>
>> Regards.
>>
>> Alastair Fettes
>>
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>
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