36   size_t arg_length= ALIGN_SIZE(length + 1);  in real_alloc()  local
37   DBUG_ASSERT(arg_length > length);  in real_alloc()
38   if (arg_length <= length)  in real_alloc()
41   if (Alloced_length < arg_length)  in real_alloc()
44     if (!(Ptr=(char*) my_malloc(arg_length,MYF(MY_WME |  in real_alloc()
49     Alloced_length=(uint32) arg_length;  in real_alloc()
246 bool Binary_string::copy(const char *str, size_t arg_length)  in copy()  argument
248   DBUG_ASSERT(arg_length < UINT_MAX32);  in copy()
249   if (alloc(arg_length))  in copy()
251   if (Ptr == str && arg_length == uint32(str_length))  in copy()
258                            str, arg_length));  in copy()
260   else if ((str_length=uint32(arg_length)))  in copy()
261     memcpy(Ptr,str,arg_length);  in copy()
262   Ptr[arg_length]=0;  in copy()
272 bool Binary_string::copy_or_move(const char *str, size_t arg_length)  in copy_or_move()  argument
274   DBUG_ASSERT(arg_length < UINT_MAX32);  in copy_or_move()
275   if (alloc(arg_length))  in copy_or_move()
277   if ((str_length=uint32(arg_length)))  in copy_or_move()
278     memmove(Ptr,str,arg_length);  in copy_or_move()
279   Ptr[arg_length]=0;  in copy_or_move()
306 bool String::needs_conversion(size_t arg_length,  in needs_conversion()  argument
317        (!(*offset=(uint32)(arg_length % to_cs->mbminlen)))))  in needs_conversion()
335 bool String::needs_conversion_on_storage(size_t arg_length,  in needs_conversion_on_storage()  argument
340   return (needs_conversion(arg_length, cs_from, cs_to, &offset) ||  in needs_conversion_on_storage()
352             0 != (arg_length % cs_to->mbmaxlen)  in needs_conversion_on_storage()
384 bool String::copy_aligned(const char *str, size_t arg_length, size_t offset,  in copy_aligned()  argument
391   size_t aligned_length= arg_length + offset;  in copy_aligned()
401   memcpy(Ptr + offset, str, arg_length);  in copy_aligned()
410 bool String::set_or_copy_aligned(const char *str, size_t arg_length,  in set_or_copy_aligned()  argument
414   size_t offset= (arg_length % cs->mbminlen);   in set_or_copy_aligned()
419     set(str, arg_length, cs);  in set_or_copy_aligned()
422   return copy_aligned(str, arg_length, offset, cs);  in set_or_copy_aligned()
436 bool String::copy(const char *str, size_t arg_length,  in copy()  argument
443   if (!needs_conversion(arg_length, from_cs, to_cs, &offset))  in copy()
446     return copy(str, arg_length, to_cs);  in copy()
451     return copy_aligned(str, arg_length, offset, to_cs);  in copy()
453   size_t new_length= to_cs->mbmaxlen*arg_length;  in copy()
457                               str, arg_length, from_cs, errors);  in copy()
482 bool String::set_ascii(const char *str, size_t arg_length)  in set_ascii()  argument
486     set(str, arg_length, charset());  in set_ascii()
490   return copy(str, (uint32) arg_length, &my_charset_latin1,  in set_ascii()
525   uint32 arg_length= (uint32) size;  in append()  local
526   if (!arg_length)  in append()
534     uint32 add_length= arg_length * mbmaxlen();  in append()
539 				  s, arg_length, &my_charset_latin1,  in append()
547   return Binary_string::append(s, arg_length);  in append()
575 bool String::append(const char *s, size_t arg_length, CHARSET_INFO *cs)  in append()  argument
577   if (!arg_length)  in append()
582   if (needs_conversion((uint32)arg_length, cs, charset(), &offset))  in append()
589       add_length= arg_length + offset;  in append()
593       memcpy(Ptr + str_length + offset, s, arg_length);  in append()
598     add_length= arg_length / cs->mbminlen * mbmaxlen();  in append()
603                                   s, (uint32)arg_length, cs, &dummy_errors);  in append()
606   return Binary_string::append(s, arg_length);  in append()
610 bool Binary_string::append(IO_CACHE* file, uint32 arg_length)  in append()  argument
612   if (realloc_with_extra_if_needed(str_length+arg_length))  in append()
614   if (my_b_read(file, (uchar*) Ptr + str_length, arg_length))  in append()
619   str_length+=arg_length;  in append()
641 bool String::append_with_prefill(const char *s,uint32 arg_length,  in append_with_prefill()  argument
644   int t_length= arg_length > full_length ? arg_length : full_length;  in append_with_prefill()
648   t_length= full_length - arg_length;  in append_with_prefill()
654   append(s, arg_length);  in append_with_prefill()
718 bool Binary_string::replace(uint32 offset, uint32 arg_length,  in replace()  argument
721   long diff = (long) to_length-(long) arg_length;  in replace()
722   if (offset+arg_length <= str_length)  in replace()
728       bmove(Ptr+offset+to_length,Ptr+offset+arg_length,  in replace()
729 	    str_length-offset-arg_length);  in replace()
738 		  str_length-offset-arg_length);  in replace()