branches/zip: innobase_convert_from_id(), innobase_convert_from_table_id():

Add the parameter struct charset_info_st* cs, so that the call
thd_charset(current_thd) can be avoided.  The macro current_thd has no
defined value in the Windows plugin.

dict/dict0dict.c

@@ -2541,7 +2541,7 @@ convert_id:
 		len = 3 * len + 1;
 		*id = dst = mem_heap_alloc(heap, len);
 
-		innobase_convert_from_id(dst, str, len);
+		innobase_convert_from_id(cs, dst, str, len);
 	} else if (!strncmp(str, srv_mysql50_table_name_prefix,
 			    sizeof srv_mysql50_table_name_prefix)) {
 		/* This is a pre-5.1 table name
@@ -2555,7 +2555,7 @@ convert_id:
 		len = 5 * len + 1;
 		*id = dst = mem_heap_alloc(heap, len);
 
-		innobase_convert_from_table_id(dst, str, len);
+		innobase_convert_from_table_id(cs, dst, str, len);
 	}
 
 	return(ptr);

handler/ha_innodb.cc

@@ -910,14 +910,14 @@ extern "C" UNIV_INTERN
 void
 innobase_convert_from_table_id(
 /*===========================*/
+	struct charset_info_st*	cs,	/* in: the 'from' character set */
 	char*			to,	/* out: converted identifier */
 	const char*		from,	/* in: identifier to convert */
 	ulint			len)	/* in: length of 'to', in bytes */
 {
 	uint	errors;
 
-	strconvert(thd_charset(current_thd), from,
-		   &my_charset_filename, to, (uint) len, &errors);
+	strconvert(cs, from, &my_charset_filename, to, (uint) len, &errors);
 }
 
 /**********************************************************************
@@ -926,14 +926,14 @@ extern "C" UNIV_INTERN
 void
 innobase_convert_from_id(
 /*=====================*/
+	struct charset_info_st*	cs,	/* in: the 'from' character set */
 	char*			to,	/* out: converted identifier */
 	const char*		from,	/* in: identifier to convert */
 	ulint			len)	/* in: length of 'to', in bytes */
 {
 	uint	errors;
 
-	strconvert(thd_charset(current_thd), from,
-		   system_charset_info, to, (uint) len, &errors);
+	strconvert(cs, from, system_charset_info, to, (uint) len, &errors);
 }
 
 /**********************************************************************

include/ha_prototypes.h

@@ -174,6 +174,7 @@ UNIV_INTERN
 void
 innobase_convert_from_table_id(
 /*===========================*/
+	struct charset_info_st*	cs,	/* in: the 'from' character set */
 	char*			to,	/* out: converted identifier */
 	const char*		from,	/* in: identifier to convert */
 	ulint			len);	/* in: length of 'to', in bytes; should
@@ -184,6 +185,7 @@ UNIV_INTERN
 void
 innobase_convert_from_id(
 /*=====================*/
+	struct charset_info_st*	cs,	/* in: the 'from' character set */
 	char*			to,	/* out: converted identifier */
 	const char*		from,	/* in: identifier to convert */
 	ulint			len);	/* in: length of 'to', in bytes; should