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Re: [Qemu-devel] [PATCH 1/8] qapi: Add Visitor interfaces for uint*_t an

From: Andreas Färber
Subject: Re: [Qemu-devel] [PATCH 1/8] qapi: Add Visitor interfaces for uint*_t and int*_t
Date: Sat, 09 Jun 2012 17:16:34 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120421 Thunderbird/12.0

Am 09.06.2012 17:03, schrieb Laszlo Ersek:
> On 06/08/12 17:35, Andreas Färber wrote:
>> From: Michael Roth <address@hidden>
>> This adds visitor interfaces for fixed-width integers types.
>> Implementing these in visitors is optional, otherwise we fall back to
>> visit_type_int() (int64_t) with some additional bounds checking to avoid
>> integer overflows for cases where the value fetched exceeds the bounds
>> of our target C type.
>> diff --git a/qapi/qapi-visit-core.h b/qapi/qapi-visit-core.h
>> index e850746..a19d70c 100644
>> --- a/qapi/qapi-visit-core.h
>> +++ b/qapi/qapi-visit-core.h
>> @@ -52,6 +52,14 @@ struct Visitor
>>      void (*start_handle)(Visitor *v, void **obj, const char *kind,
>>                           const char *name, Error **errp);
>>      void (*end_handle)(Visitor *v, Error **errp);
>> +    void (*type_uint8)(Visitor *v, uint8_t *obj, const char *name, Error 
>> **errp);
>> +    void (*type_uint16)(Visitor *v, uint16_t *obj, const char *name, Error 
>> **errp);
>> +    void (*type_uint32)(Visitor *v, uint32_t *obj, const char *name, Error 
>> **errp);
>> +    void (*type_uint64)(Visitor *v, uint64_t *obj, const char *name, Error 
>> **errp);
>> +    void (*type_int8)(Visitor *v, int8_t *obj, const char *name, Error 
>> **errp);
>> +    void (*type_int16)(Visitor *v, int16_t *obj, const char *name, Error 
>> **errp);
>> +    void (*type_int32)(Visitor *v, int32_t *obj, const char *name, Error 
>> **errp);
>> +    void (*type_int64)(Visitor *v, int64_t *obj, const char *name, Error 
>> **errp);
>>  };
>>  void visit_start_handle(Visitor *v, void **obj, const char *kind,
>> @@ -69,6 +77,14 @@ void visit_end_optional(Visitor *v, Error **errp);
>>  void visit_type_enum(Visitor *v, int *obj, const char *strings[],
>>                       const char *kind, const char *name, Error **errp);
>>  void visit_type_int(Visitor *v, int64_t *obj, const char *name, Error 
>> **errp);
>> +void visit_type_uint8(Visitor *v, uint8_t *obj, const char *name, Error 
>> **errp);
>> +void visit_type_uint16(Visitor *v, uint16_t *obj, const char *name, Error 
>> **errp);
>> +void visit_type_uint32(Visitor *v, uint32_t *obj, const char *name, Error 
>> **errp);
>> +void visit_type_uint64(Visitor *v, uint64_t *obj, const char *name, Error 
>> **errp);
>> +void visit_type_int8(Visitor *v, int8_t *obj, const char *name, Error 
>> **errp);
>> +void visit_type_int16(Visitor *v, int16_t *obj, const char *name, Error 
>> **errp);
>> +void visit_type_int32(Visitor *v, int32_t *obj, const char *name, Error 
>> **errp);
>> +void visit_type_int64(Visitor *v, int64_t *obj, const char *name, Error 
>> **errp);
>>  void visit_type_bool(Visitor *v, bool *obj, const char *name, Error **errp);
>>  void visit_type_str(Visitor *v, char **obj, const char *name, Error **errp);
>>  void visit_type_number(Visitor *v, double *obj, const char *name, Error 
>> **errp);
> Shouldn't "scripts/qapi.py" be extended accordingly? (The c_type function.)

What does that affect?
Is it a blocker for this PULL or an improvement for a follow-up?


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