Fix machine-dependent crash in sqlchar_to_unicode(). Get rid of

bletcherous and unsafe manipulation of global encoding setting.
Clean up libxml reporting mechanism a bit (it still looks like a
dangling-pointer crash waiting to happen, though, not to mention
being far less than sane from a localization standpoint).

1 files changed, 9 insertions, 1 deletions

diff --git a/src/backend/utils/mb/mbutils.c b/src/backend/utils/mb/mbutils.c
index 89845b08c16..f462ba44b95 100644
--- a/src/backend/utils/mb/mbutils.c
+++ b/src/backend/utils/mb/mbutils.c
@@ -4,7 +4,7 @@
  * (currently mule internal code (mic) is used)
  * Tatsuo Ishii
  *
- * $PostgreSQL: pgsql/src/backend/utils/mb/mbutils.c,v 1.60 2006/12/21 16:05:15 petere Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/mb/mbutils.c,v 1.61 2006/12/24 00:57:48 tgl Exp $
  */
 #include "postgres.h"
 
@@ -483,6 +483,14 @@ pg_mb2wchar_with_len(const char *from, pg_wchar *to, int len)
 	return (*pg_wchar_table[DatabaseEncoding->encoding].mb2wchar_with_len) ((const unsigned char *) from, to, len);
 }
 
+/* same, with any encoding */
+int
+pg_encoding_mb2wchar_with_len(int encoding,
+							  const char *from, pg_wchar *to, int len)
+{
+	return (*pg_wchar_table[encoding].mb2wchar_with_len) ((const unsigned char *) from, to, len);
+}
+
 /* returns the byte length of a multibyte word */
 int
 pg_mblen(const char *mbstr)