mysql-5.5.33 merge

2 files changed, 26 insertions, 22 deletions

diff --git a/strings/ctype-uca.c b/strings/ctype-uca.c
index 020cfdfcbbe..0f464be607d 100644
--- a/strings/ctype-uca.c
+++ b/strings/ctype-uca.c
@@ -8981,10 +8981,12 @@ static uchar ctype_utf8[] = {
 
 extern MY_CHARSET_HANDLER my_charset_utf8_handler;
 
+#define MY_CS_UTF8MB3_UCA_FLAGS (MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE)
+
 struct charset_info_st my_charset_utf8_unicode_ci=
 {
     192,0,0,		/* number       */
-    MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE,
+    MY_CS_UTF8MB3_UCA_FLAGS,/* flags    */
     "utf8",		/* cs name    */
     "utf8_unicode_ci",	/* name         */
     "",			/* comment      */
@@ -9049,7 +9051,7 @@ struct charset_info_st my_charset_utf8_icelandic_uca_ci=
 struct charset_info_st my_charset_utf8_latvian_uca_ci=
 {
     194,0,0,		/* number       */
-    MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE,
+    MY_CS_UTF8MB3_UCA_FLAGS,/* flags    */
     "utf8",		/* cs name    */
     "utf8_latvian_ci",	/* name         */
     "",			/* comment      */
@@ -9081,7 +9083,7 @@ struct charset_info_st my_charset_utf8_latvian_uca_ci=
 struct charset_info_st my_charset_utf8_romanian_uca_ci=
 {
     195,0,0,		/* number       */
-    MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE,
+    MY_CS_UTF8MB3_UCA_FLAGS,/* flags    */
     "utf8",		/* cs name    */
     "utf8_romanian_ci",	/* name         */
     "",			/* comment      */
@@ -9113,7 +9115,7 @@ struct charset_info_st my_charset_utf8_romanian_uca_ci=
 struct charset_info_st my_charset_utf8_slovenian_uca_ci=
 {
     196,0,0,		/* number       */
-    MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE,
+    MY_CS_UTF8MB3_UCA_FLAGS,/* flags    */
     "utf8",		/* cs name    */
     "utf8_slovenian_ci",/* name         */
     "",			/* comment      */
@@ -9145,7 +9147,7 @@ struct charset_info_st my_charset_utf8_slovenian_uca_ci=
 struct charset_info_st my_charset_utf8_polish_uca_ci=
 {
     197,0,0,		/* number       */
-    MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE,
+    MY_CS_UTF8MB3_UCA_FLAGS,/* flags    */
     "utf8",		/* cs name    */
     "utf8_polish_ci",	/* name         */
     "",			/* comment      */
@@ -9177,7 +9179,7 @@ struct charset_info_st my_charset_utf8_polish_uca_ci=
 struct charset_info_st my_charset_utf8_estonian_uca_ci=
 {
     198,0,0,		/* number       */
-    MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE,
+    MY_CS_UTF8MB3_UCA_FLAGS,/* flags    */
     "utf8",		/* cs name    */
     "utf8_estonian_ci",	/* name         */
     "",			/* comment      */
@@ -9209,7 +9211,7 @@ struct charset_info_st my_charset_utf8_estonian_uca_ci=
 struct charset_info_st my_charset_utf8_spanish_uca_ci=
 {
     199,0,0,		/* number       */
-    MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE,
+    MY_CS_UTF8MB3_UCA_FLAGS,/* flags    */
     "utf8",		/* cs name    */
     "utf8_spanish_ci",	/* name         */
     "",			/* comment      */
@@ -9241,7 +9243,7 @@ struct charset_info_st my_charset_utf8_spanish_uca_ci=
 struct charset_info_st my_charset_utf8_swedish_uca_ci=
 {
     200,0,0,		/* number       */
-    MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE,
+    MY_CS_UTF8MB3_UCA_FLAGS,/* flags    */
     "utf8",		/* cs name    */
     "utf8_swedish_ci",	/* name         */
     "",			/* comment      */
@@ -9273,7 +9275,7 @@ struct charset_info_st my_charset_utf8_swedish_uca_ci=
 struct charset_info_st my_charset_utf8_turkish_uca_ci=
 {
     201,0,0,		/* number       */
-    MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE,
+    MY_CS_UTF8MB3_UCA_FLAGS,/* flags    */
     "utf8",		/* cs name    */
     "utf8_turkish_ci",	/* name         */
     "",			/* comment      */
@@ -9305,7 +9307,7 @@ struct charset_info_st my_charset_utf8_turkish_uca_ci=
 struct charset_info_st my_charset_utf8_czech_uca_ci=
 {
     202,0,0,		/* number       */
-    MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE,
+    MY_CS_UTF8MB3_UCA_FLAGS,/* flags    */
     "utf8",		/* cs name    */
     "utf8_czech_ci",	/* name         */
     "",			/* comment      */
@@ -9338,7 +9340,7 @@ struct charset_info_st my_charset_utf8_czech_uca_ci=
 struct charset_info_st my_charset_utf8_danish_uca_ci=
 {
     203,0,0,		/* number       */
-    MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE,
+    MY_CS_UTF8MB3_UCA_FLAGS,/* flags    */
     "utf8",		/* cs name    */
     "utf8_danish_ci",	/* name         */
     "",			/* comment      */
@@ -9370,7 +9372,7 @@ struct charset_info_st my_charset_utf8_danish_uca_ci=
 struct charset_info_st my_charset_utf8_lithuanian_uca_ci=
 {
     204,0,0,		/* number       */
-    MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE,
+    MY_CS_UTF8MB3_UCA_FLAGS,/* flags    */
     "utf8",		/* cs name    */
     "utf8_lithuanian_ci",/* name         */
     "",			/* comment      */
@@ -9402,7 +9404,7 @@ struct charset_info_st my_charset_utf8_lithuanian_uca_ci=
 struct charset_info_st my_charset_utf8_slovak_uca_ci=
 {
     205,0,0,		/* number       */
-    MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE,
+    MY_CS_UTF8MB3_UCA_FLAGS,/* flags    */
     "utf8",		/* cs name    */
     "utf8_slovak_ci",	/* name         */
     "",			/* comment      */
@@ -9434,7 +9436,7 @@ struct charset_info_st my_charset_utf8_slovak_uca_ci=
 struct charset_info_st my_charset_utf8_spanish2_uca_ci=
 {
     206,0,0,		/* number       */
-    MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE,
+    MY_CS_UTF8MB3_UCA_FLAGS,/* flags    */
     "utf8",		/* cs name    */
     "utf8_spanish2_ci",	/* name         */
     "",			/* comment      */
@@ -9466,7 +9468,7 @@ struct charset_info_st my_charset_utf8_spanish2_uca_ci=
 struct charset_info_st my_charset_utf8_roman_uca_ci=
 {
     207,0,0,		/* number       */
-    MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE,
+    MY_CS_UTF8MB3_UCA_FLAGS,/* flags    */
     "utf8",		/* cs name    */
     "utf8_roman_ci",	/* name         */
     "",			/* comment      */
@@ -9498,7 +9500,7 @@ struct charset_info_st my_charset_utf8_roman_uca_ci=
 struct charset_info_st my_charset_utf8_persian_uca_ci=
 {
     208,0,0,		/* number       */
-    MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE,
+    MY_CS_UTF8MB3_UCA_FLAGS,/* flags    */
     "utf8",		/* cs name    */
     "utf8_persian_ci",	/* name         */
     "",			/* comment      */
@@ -9530,7 +9532,7 @@ struct charset_info_st my_charset_utf8_persian_uca_ci=
 struct charset_info_st my_charset_utf8_esperanto_uca_ci=
 {
     209,0,0,		/* number       */
-    MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE,
+    MY_CS_UTF8MB3_UCA_FLAGS,/* flags    */
     "utf8",		/* cs name    */
     "utf8_esperanto_ci",/* name         */
     "",			/* comment      */
@@ -9562,7 +9564,7 @@ struct charset_info_st my_charset_utf8_esperanto_uca_ci=
 struct charset_info_st my_charset_utf8_hungarian_uca_ci=
 {
     210,0,0,		/* number       */
-    MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE,
+    MY_CS_UTF8MB3_UCA_FLAGS,/* flags    */
     "utf8",		/* cs name    */
     "utf8_hungarian_ci",/* name         */
     "",			/* comment      */
@@ -9594,7 +9596,7 @@ struct charset_info_st my_charset_utf8_hungarian_uca_ci=
 struct charset_info_st my_charset_utf8_sinhala_uca_ci=
 {
     211,0,0,             /* number       */
-    MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE,
+    MY_CS_UTF8MB3_UCA_FLAGS,/* flags    */
     "utf8",              /* cs name      */
     "utf8_sinhala_ci",   /* name         */
     "",                  /* comment      */
diff --git a/strings/ctype-utf8.c b/strings/ctype-utf8.c
index 92b4bc52ee9..6edaaa099f6 100644
--- a/strings/ctype-utf8.c
+++ b/strings/ctype-utf8.c
@@ -1,5 +1,5 @@
-/* Copyright (c) 2000, 2012, Oracle and/or its affiliates.
-   Copyright (c) 2009, 2011, Monty Program Ab
+/* Copyright (c) 2000, 2013, Oracle and/or its affiliates.
+   Copyright (c) 2009, 2013, Monty Program Ab
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
@@ -4392,7 +4392,9 @@ my_mb_wc_filename(CHARSET_INFO *cs __attribute__((unused)),
     return MY_CS_TOOSMALL3;
   
   byte1= s[1];
-  byte2= byte1 ? s[2] : 0;
+  if (byte1 == 0)
+    return MY_CS_ILSEQ; /* avoid possible out-of-bounds read */
+  byte2= s[2];
   
   if (byte1 >= 0x30 && byte1 <= 0x7F &&
       byte2 >= 0x30 && byte2 <= 0x7F)