Fix "off by VARHDRSZ" bug in (Cyrillic) recode support.

diff --git a/src/backend/utils/adt/varchar.c b/src/backend/utils/adt/varchar.c
index a458c56fb6fae51ab138ffd17c07ccbe83ee0ccd..f3e6d50333906f6f6c7af832670217a33e0c4022 100644 (file)
--- a/src/backend/utils/adt/varchar.c
+++ b/src/backend/utils/adt/varchar.c
@@ -361,7 +361,7 @@ varcharin(PG_FUNCTION_ARGS)
        memcpy(VARDATA(result), s, len - VARHDRSZ);
 
 #ifdef CYR_RECODE
-       convertstr(VARDATA(result), len, 0);
+       convertstr(VARDATA(result), len - VARHDRSZ, 0);
 #endif
 
        PG_RETURN_VARCHAR_P(result);