diff options
Diffstat (limited to 'src/backend/utils/mb/wchar.c')
| -rw-r--r-- | src/backend/utils/mb/wchar.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/src/backend/utils/mb/wchar.c b/src/backend/utils/mb/wchar.c index 16aed72fa7c..8d3f4a6dbd2 100644 --- a/src/backend/utils/mb/wchar.c +++ b/src/backend/utils/mb/wchar.c @@ -1,7 +1,7 @@ /* * conversion functions between pg_wchar and multi-byte streams. * Tatsuo Ishii - * $Id: wchar.c,v 1.27 2002/03/05 05:52:44 momjian Exp $ + * $Id: wchar.c,v 1.28 2002/06/13 08:28:54 ishii Exp $ * * WIN1250 client encoding updated by Pavel Behal * @@ -510,6 +510,31 @@ pg_uhc_mblen(const unsigned char *s) return (len); } +/* + * * GB18030 + * * Added by Bill Huang <bhuang@redhat.com>,<bill_huanghb@ybb.ne.jp> + * */ +static int +pg_gb18030_mblen(const unsigned char *s) +{ + int len; + if (*s <= 0x7f) + { /* ASCII */ + len = 1; + } + else + { + if((*(s+1) >= 0x40 && *(s+1) <= 0x7e)|| (*(s+1) >= 0x80 && *(s+1) <= 0xfe)) + len = 2; + else if(*(s+1) >= 0x30 && *(s+1) <= 0x39) + len = 4; + else + len = 2; + } + return (len); +} + + pg_wchar_tbl pg_wchar_table[] = { {pg_ascii2wchar_with_len, pg_ascii_mblen, 1}, /* 0; PG_SQL_ASCII */ {pg_eucjp2wchar_with_len, pg_eucjp_mblen, 3}, /* 1; PG_EUC_JP */ @@ -544,6 +569,7 @@ pg_wchar_tbl pg_wchar_table[] = { {0, pg_gbk_mblen, 2}, /* 30; PG_GBK */ {0, pg_uhc_mblen, 2}, /* 31; PG_UHC */ {pg_latin12wchar_with_len, pg_latin1_mblen, 1}, /* 32; PG_WIN1250 */ + {0, pg_gb18030_mblen, 2} /* 33; PG_GB18030 */ }; /* returns the byte length of a word for mule internal code */ |