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A fix (bug #9756: mysql client failing on dumps containing certain \ sequences).

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mysys/charset.c:
  A fix (bug #9756: mysql client failing on dumps containing certain \ sequences).
  As 'to_end' points to the last position we should use '>' comparison 
  instead of '>=' there.
  'l' replaced with 'tmp_length' (in order not to mix 'l' with '1').
This commit is contained in:
unknown 2005-04-26 15:43:20 +05:00
parent 22311d2775
commit 38360ef375
1 changed files with 7 additions and 7 deletions
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14
mysys/charset.c
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@ -581,15 +581,15 @@ ulong escape_string_for_mysql(CHARSET_INFO *charset_info,
{
char escape=0;
#ifdef USE_MB
int l;
if (use_mb_flag && (l= my_ismbchar(charset_info, from, end)))
int tmp_length;
if (use_mb_flag && (tmp_length= my_ismbchar(charset_info, from, end)))
{
if (to + l >= to_end)
if (to + tmp_length > to_end)
{
overflow=1;
break;
}
while (l--)
while (tmp_length--)
*to++= *from++;
from--;
continue;
@ -605,7 +605,7 @@ ulong escape_string_for_mysql(CHARSET_INFO *charset_info,
multi-byte character into a valid one. For example, 0xbf27 is not
a valid GBK character, but 0xbf5c is. (0x27 = ', 0x5c = \)
*/
if (use_mb_flag && (l= my_mbcharlen(charset_info, *from)) > 1)
if (use_mb_flag && (tmp_length= my_mbcharlen(charset_info, *from)) > 1)
escape= *from;
else
#endif
@ -634,7 +634,7 @@ ulong escape_string_for_mysql(CHARSET_INFO *charset_info,
}
if (escape)
{
if (to + 2 >= to_end)
if (to + 2 > to_end)
{
overflow=1;
break;
@ -644,7 +644,7 @@ ulong escape_string_for_mysql(CHARSET_INFO *charset_info,
}
else
{
if (to + 1 >= to_end)
if (to + 1 > to_end)
{
overflow=1;
break;