maria-developers team mailing list archive

[Oleksandr Byelkin <sanja@xxxxxxxxxxxxxxxx>]

Hi, Arlene!

See question below.

On 02.04.15 20:46, arlene seuleu wrote:
> diff --git a/mysys/ma_dyncol.c b/mysys/ma_dyncol.c
> index a7a048a..0789350 100644
> --- a/mysys/ma_dyncol.c
> +++ b/mysys/ma_dyncol.c
> @@ -329,20 +329,20 @@ static my_bool type_and_offset_store_num(uchar 
> *place, size_t offset_size,
>    case 1:
>      if (offset >= 0x1f)          /* all 1 value is reserved */
>        return TRUE;
> -    place[0]= (uchar)val;
> +    int1store(place,val);
>      break;
[skip]
> diff --git a/mysys/mysys_priv.h b/mysys/mysys_priv.h
> index 4ea6d08..962dc5a 100644
> --- a/mysys/mysys_priv.h
> +++ b/mysys/mysys_priv.h
> @@ -16,6 +16,10 @@
>  #include <my_global.h>
>  #include <my_sys.h>
> +#define int1store(T,A)  do { uint def_temp= (uint) (A) ;\
> +                               *((uchar*) (T))=  (uchar)(def_temp);\
> +                             }while(0)
> +
>  #ifdef USE_SYSTEM_WRAPPERS
>  #include "system_wrappers.h"
>  #endif
What sens in one byte storage macro???