From dc779228f23bcb9d323fc18d78f22f6bca8e9334 Mon Sep 17 00:00:00 2001
From: Tatsuo Ishii <ishii@postgresql.org>
Date: Sun, 26 Nov 2000 11:35:23 +0000
Subject: [PATCH] Fix for inserting/copying longer multibyte strings into
bpchar data types.
---
src/backend/utils/adt/varchar.c | 22 ++++++++++++++++++++--
1 file changed, 20 insertions(+), 2 deletions(-)
diff --git a/src/backend/utils/adt/varchar.c b/src/backend/utils/adt/varchar.c
index 9d6f9d08750..3c58a254619 100644
--- a/src/backend/utils/adt/varchar.c
+++ b/src/backend/utils/adt/varchar.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/varchar.c,v 1.70 2000/11/21 21:16:02 petere Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/varchar.c,v 1.71 2000/11/26 11:35:23 ishii Exp $
*
*-------------------------------------------------------------------------
*/
@@ -79,7 +79,17 @@ bpcharin(PG_FUNCTION_ARGS)
atttypmod = len + VARHDRSZ;
}
else
+#ifdef MULTIBYTE
+ {
+ /*
+ * truncate multi-byte string preserving multi-byte
+ * boundary
+ */
+ len = pg_mbcliplen(s, atttypmod - VARHDRSZ, atttypmod - VARHDRSZ);
+ }
+#else
len = atttypmod - VARHDRSZ;
+#endif
result = (BpChar *) palloc(atttypmod);
VARATT_SIZEP(result) = atttypmod;
@@ -96,7 +106,11 @@ bpcharin(PG_FUNCTION_ARGS)
#endif
/* blank pad the string if necessary */
+#ifdef MULTIBYTE
+ for (; i < atttypmod - VARHDRSZ; i++)
+#else
for (; i < len; i++)
+#endif
*r++ = ' ';
PG_RETURN_BPCHAR_P(result);
@@ -329,7 +343,11 @@ varcharin(PG_FUNCTION_ARGS)
len = strlen(s) + VARHDRSZ;
if (atttypmod >= (int32) VARHDRSZ && len > atttypmod)
+#ifdef MULTIBYTE
+ len = pg_mbcliplen(s, len - VARHDRSZ, atttypmod - VARHDRSZ) + VARHDRSZ;
+#else
len = atttypmod; /* clip the string at max length */
+#endif
result = (VarChar *) palloc(len);
VARATT_SIZEP(result) = len;
@@ -383,7 +401,7 @@ varchar(PG_FUNCTION_ARGS)
#ifdef MULTIBYTE
/*
- * truncate multi-byte string in a way not to break multi-byte
+ * truncate multi-byte string preserving multi-byte
* boundary
*/
len = pg_mbcliplen(VARDATA(s), slen - VARHDRSZ, slen - VARHDRSZ);
--
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