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Fixed reference to uninitialized memory

This commit is contained in:
monty@narttu.mysql.fi
2003-03-21 11:49:17 +02:00
parent e5a949b441
commit 11a810d710
2 changed files with 8 additions and 9 deletions

View File

@ -49,7 +49,7 @@ select * from t1 where parent_id=102;
explain select level from t1 where level=1; explain select level from t1 where level=1;
--replace_result 12 # 6 # --replace_result 12 # 6 #
explain select level,id from t1 where level=1; explain select level,id from t1 where level=1;
--replace_result 12 # 6 # --replace_result 12 # 6 # 5 #
explain select level,id,parent_id from t1 where level=1; explain select level,id,parent_id from t1 where level=1;
select level,id from t1 where level=1; select level,id from t1 where level=1;
select level,id,parent_id from t1 where level=1; select level,id,parent_id from t1 where level=1;

View File

@ -1585,14 +1585,15 @@ static uchar to_upper_utf8[] = {
}; };
static int my_utf8_uni (CHARSET_INFO *cs __attribute__((unused)) , static int my_utf8_uni(CHARSET_INFO *cs __attribute__((unused)),
my_wc_t * pwc, const uchar *s, const uchar *e) my_wc_t * pwc, const uchar *s, const uchar *e)
{ {
unsigned char c = s[0]; unsigned char c;
if (s >= e) if (s >= e)
return MY_CS_TOOFEW(0); return MY_CS_TOOFEW(0);
c= s[0];
if (c < 0x80) if (c < 0x80)
{ {
*pwc = c; *pwc = c;
@ -1624,10 +1625,8 @@ static int my_utf8_uni (CHARSET_INFO *cs __attribute__((unused)) ,
(my_wc_t) (s[2] ^ 0x80); (my_wc_t) (s[2] ^ 0x80);
return 3; return 3;
#ifdef UNICODE_32BIT
} }
#ifdef UNICODE_32BIT
else if (c < 0xf8 && sizeof(my_wc_t)*8 >= 32) else if (c < 0xf8 && sizeof(my_wc_t)*8 >= 32)
{ {
if (s+4 > e) /* We need 4 characters */ if (s+4 > e) /* We need 4 characters */
@ -1685,9 +1684,9 @@ static int my_utf8_uni (CHARSET_INFO *cs __attribute__((unused)) ,
| ((my_wc_t) (s[4] ^ 0x80) << 6) | ((my_wc_t) (s[4] ^ 0x80) << 6)
| (my_wc_t) (s[5] ^ 0x80); | (my_wc_t) (s[5] ^ 0x80);
return 6; return 6;
}
#endif #endif
} else return MY_CS_ILSEQ;
return MY_CS_ILSEQ;
} }
static int my_uni_utf8 (CHARSET_INFO *cs __attribute__((unused)) , static int my_uni_utf8 (CHARSET_INFO *cs __attribute__((unused)) ,