Add PQmbdsplen() which returns the "display length" of a character.

Still some works needed:
- UTF-8, MULE_INTERNAL always returns 1

1 files changed, 8 insertions, 1 deletions

diff --git a/src/backend/utils/mb/mbutils.c b/src/backend/utils/mb/mbutils.c
index 3838a0a0979..96dd563862e 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 1.45 2003/11/29 19:52:02 pgsql Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/mb/mbutils.c,v 1.46 2004/03/15 10:41:25 ishii Exp $
  */
 #include "postgres.h"
 
@@ -463,6 +463,13 @@ pg_mblen(const unsigned char *mbstr)
 	return ((*pg_wchar_table[DatabaseEncoding->encoding].mblen) (mbstr));
 }
 
+/* returns the display length of a multibyte word */
+int
+pg_dsplen(const unsigned char *mbstr)
+{
+	return ((*pg_wchar_table[DatabaseEncoding->encoding].dsplen) (mbstr));
+}
+
 /* returns the length (counted as a wchar) of a multibyte string */
 int
 pg_mbstrlen(const unsigned char *mbstr)