diff options
Diffstat (limited to 'sql/item_strfunc.cc')
| -rw-r--r-- | sql/item_strfunc.cc | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/sql/item_strfunc.cc b/sql/item_strfunc.cc index d1e3f45bba1..7edc1a62307 100644 --- a/sql/item_strfunc.cc +++ b/sql/item_strfunc.cc @@ -101,13 +101,10 @@ String *Item_func_md5::val_str(String *str) str->set_charset(&my_charset_bin); if (sptr) { - my_MD5_CTX context; unsigned char digest[16]; null_value=0; - my_MD5Init (&context); - my_MD5Update (&context,(unsigned char *) sptr->ptr(), sptr->length()); - my_MD5Final (digest, &context); + MY_MD5_HASH(digest,(unsigned char *) sptr->ptr(), sptr->length()); if (str->alloc(32)) // Ensure that memory is free { null_value=1; @@ -1696,6 +1693,12 @@ Item *Item_func_sysconst::safe_charset_converter(CHARSET_INFO *tocs) Item_string *conv; uint conv_errors; String tmp, cstr, *ostr= val_str(&tmp); + if (null_value) + { + Item *null_item= new Item_null((char *) fully_qualified_func_name()); + null_item->collation.set (tocs); + return null_item; + } cstr.copy(ostr->ptr(), ostr->length(), ostr->charset(), tocs, &conv_errors); if (conv_errors || !(conv= new Item_static_string_func(fully_qualified_func_name(), @@ -1737,17 +1740,17 @@ bool Item_func_user::init(const char *user, const char *host) if (user) { CHARSET_INFO *cs= str_value.charset(); - uint res_length= (strlen(user)+strlen(host)+2) * cs->mbmaxlen; + size_t res_length= (strlen(user)+strlen(host)+2) * cs->mbmaxlen; - if (str_value.alloc(res_length)) + if (str_value.alloc((uint) res_length)) { null_value=1; return TRUE; } - res_length=cs->cset->snprintf(cs, (char*)str_value.ptr(), res_length, + res_length=cs->cset->snprintf(cs, (char*)str_value.ptr(), (uint) res_length, "%s@%s", user, host); - str_value.length(res_length); + str_value.length((uint) res_length); str_value.mark_as_const(); } return FALSE; @@ -2427,7 +2430,7 @@ String *Item_func_rpad::val_str(String *str) memcpy(to,ptr_pad,(size_t) pad_byte_length); to+= pad_byte_length; } - res->length(to- (char*) res->ptr()); + res->length((uint) (to- (char*) res->ptr())); return (res); err: @@ -2695,7 +2698,7 @@ String *Item_func_charset::val_str(String *str) CHARSET_INFO *cs= args[0]->collation.collation; null_value= 0; - str->copy(cs->csname, strlen(cs->csname), + str->copy(cs->csname, (uint) strlen(cs->csname), &my_charset_latin1, collation.collation, &dummy_errors); return str; } @@ -2707,7 +2710,7 @@ String *Item_func_collation::val_str(String *str) CHARSET_INFO *cs= args[0]->collation.collation; null_value= 0; - str->copy(cs->name, strlen(cs->name), + str->copy(cs->name, (uint) strlen(cs->name), &my_charset_latin1, collation.collation, &dummy_errors); return str; } |