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Merge abarkov@bk-internal.mysql.com:/home/bk/mysql-4.1

Browse source 
into  mysql.com:/usr/home/bar/mysql-4.1.b15377
This commit is contained in:
unknown 2006-01-13 14:22:53 +04:00
commit 0bb6e33957
10 changed files with 484 additions and 2 deletions
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37
strings/ctype-euc_kr.c
View file

@ -8635,6 +8635,41 @@ my_mb_wc_euc_kr(CHARSET_INFO *cs __attribute__((unused)),
}
/*
Returns well formed length of a EUC-KR string.
*/
static uint
my_well_formed_len_euckr(CHARSET_INFO *cs __attribute__((unused)),
const char *b, const char *e,
uint pos, int *error)
{
const char *b0= b;
const char *emb= e - 1; /* Last possible end of an MB character */
*error= 0;
while (pos-- && b < e)
{
if ((uchar) b[0] < 128)
{
/* Single byte ascii character */
b++;
}
else if (b < emb && iseuc_kr(*b) && iseuc_kr(b[1]))
{
/* Double byte character */
b+= 2;
}
else
{
/* Wrong byte sequence */
*error= 1;
break;
}
}
return (uint) (b - b0);
}
static MY_COLLATION_HANDLER my_collation_ci_handler =
{
NULL, /* init */
@ -8655,7 +8690,7 @@ static MY_CHARSET_HANDLER my_charset_handler=
mbcharlen_euc_kr,
my_numchars_mb,
my_charpos_mb,
my_well_formed_len_mb,
my_well_formed_len_euckr,
my_lengthsp_8bit,
my_numcells_8bit,
my_mb_wc_euc_kr, /* mb_wc */

37
strings/ctype-gb2312.c
View file

@ -5686,6 +5686,41 @@ my_mb_wc_gb2312(CHARSET_INFO *cs __attribute__((unused)),
}
/*
Returns well formed length of a EUC-KR string.
*/
static uint
my_well_formed_len_gb2312(CHARSET_INFO *cs __attribute__((unused)),
const char *b, const char *e,
uint pos, int *error)
{
const char *b0= b;
const char *emb= e - 1; /* Last possible end of an MB character */
*error= 0;
while (pos-- && b < e)
{
if ((uchar) b[0] < 128)
{
/* Single byte ascii character */
b++;
}
else if (b < emb && isgb2312head(*b) && isgb2312tail(b[1]))
{
/* Double byte character */
b+= 2;
}
else
{
/* Wrong byte sequence */
*error= 1;
break;
}
}
return (uint) (b - b0);
}
static MY_COLLATION_HANDLER my_collation_ci_handler =
{
NULL, /* init */
@ -5706,7 +5741,7 @@ static MY_CHARSET_HANDLER my_charset_handler=
mbcharlen_gb2312,
my_numchars_mb,
my_charpos_mb,
my_well_formed_len_mb,
my_well_formed_len_gb2312,
my_lengthsp_8bit,
my_numcells_8bit,
my_mb_wc_gb2312, /* mb_wc */