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
#include +#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???