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[arlene seuleu <arleneflavie@xxxxxxxxx>]

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;
   case 2:
-    if (offset >= 0x1fff)        /* all 1 value is reserved */
+    if (offset >= 0x1fff)        /* all 2 values are reserved */
       return TRUE;
     int2store(place, val);
     break;
   case 3:
-    if (offset >= 0x1fffff)      /* all 1 value is reserved */
+    if (offset >= 0x1fffff)      /* all 3 values are reserved */
       return TRUE;
     int3store(place, val);
     break;
   case 4:
-    if (offset >= 0x1fffffff)    /* all 1 value is reserved */
+    if (offset >= 0x1fffffff)    /* all 4 values are reserved */
       return TRUE;
     int4store(place, val);
     break;
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