bk commit into 5.2 tree (bar:1.2538) BUG#29459

[bar]

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ChangeSet@stripped, 2007-07-20 14:47:36+05:00, bar@stripped +4 -0
  Bug#29459 server died handling latin2 collate latin2_czech_cs
  Problem: sizeof() was errouneously used instead array_elements(),
  which made the loop access to wrong memory.
  Fix: changing sizeof() to array_elements().

  mysql-test/r/ctype_latin2_ch.result@stripped, 2007-07-20 14:47:34+05:00, bar@stripped +11 -0
    Adding test

  mysql-test/t/ctype_latin2_ch.test@stripped, 2007-07-20 14:47:34+05:00, bar@stripped +12 -0
    Adding test

  strings/ctype-czech.c@stripped, 2007-07-20 14:47:34+05:00, bar@stripped +1 -1
    Changing sizeof() to array_elements()

  strings/ctype-win1250ch.c@stripped, 2007-07-20 14:47:34+05:00, bar@stripped +3 -1
    Changing sizeof() to array_elements()

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	bar
# Host:	bar.myoffice.izhnet.ru
# Root:	/home/bar/mysql-work/mysql-5.2.b29459

--- 1.68/strings/ctype-czech.c	2007-06-21 20:26:24 +05:00
+++ 1.69/strings/ctype-czech.c	2007-07-20 14:47:34 +05:00
@@ -313,7 +313,7 @@ while (1)						\
   if (value == 255)					\
   {							\
     int i;						\
-    for (i = 0; i < (int) sizeof(doubles); i++)		\
+    for (i = 0; i < (int) array_elements(doubles); i++) \
     {							\
       const char * pattern = doubles[i].word;		\
       const char * q = (const char *) p;		\

--- 1.60/strings/ctype-win1250ch.c	2007-06-21 14:59:25 +05:00
+++ 1.61/strings/ctype-win1250ch.c	2007-07-20 14:47:34 +05:00
@@ -405,6 +405,8 @@ static struct wordvalue doubles[]=
   { (uchar*) "C",  0xa6, 0x01 },
 };
 
+#define NDOUBLES array_elements(doubles)
+
 /*
   ml - a flag indicating whether automatically
        switch to the secondary level,
@@ -421,7 +423,7 @@ static struct wordvalue doubles[]=
 			: _sort_order_win1250ch2[*p]);			\
 		if (value == 0xff) {					\
 			int i;						\
-			for (i = 0; i < (int) sizeof(doubles); i++) {	\
+			for (i = 0; i < (int) NDOUBLES; i++) {		\
 				const uchar *patt = doubles[i].word;	\
 				const uchar *q = (const uchar *) p;	\
 				while (*patt				\

--- 1.3/mysql-test/r/ctype_latin2_ch.result	2007-04-03 16:16:07 +05:00
+++ 1.4/mysql-test/r/ctype_latin2_ch.result	2007-07-20 14:47:34 +05:00
@@ -342,3 +342,14 @@ hex(weight_string('a' LEVEL 8))
 select hex(weight_string('a' LEVEL 1,8));
 hex(weight_string('a' LEVEL 1,8))
 82016100
+create table t1 (
+a varchar(2) character set latin2 collate latin2_czech_cs,
+primary key(a)
+);
+insert into t1 set a=0x5ff;
+insert into t1 set a=0xff;
+select hex(a) from t1;
+hex(a)
+05FF
+FF
+drop table t1;

--- 1.3/mysql-test/t/ctype_latin2_ch.test	2007-04-03 16:16:08 +05:00
+++ 1.4/mysql-test/t/ctype_latin2_ch.test	2007-07-20 14:47:34 +05:00
@@ -43,3 +43,15 @@ set names latin2 collate latin2_czech_cs
 --source include/weight_string_l4.inc
 --source include/weight_string_l12.inc
 --source include/weight_string_l14.inc
+
+#
+# Bug#29459 server died handling latin2 collate latin2_czech_cs
+#
+create table t1 (
+  a varchar(2) character set latin2 collate latin2_czech_cs,
+  primary key(a)
+);
+insert into t1 set a=0x5ff;
+insert into t1 set a=0xff;
+select hex(a) from t1;
+drop table t1;