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Add pg_database_encoding_max_length() function.

This commit is contained in:
Tatsuo Ishii 2001-09-23 10:59:45 +00:00
parent fae50f873f
commit be629abfc8
2 changed files with 13 additions and 2 deletions
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12
src/backend/utils/mb/wchar.c
View File

@ -1,7 +1,7 @@
/*
* conversion functions between pg_wchar and multi-byte streams.
* Tatsuo Ishii
* $Id: wchar.c,v 1.21 2001/09/21 15:27:38 tgl Exp $
* $Id: wchar.c,v 1.22 2001/09/23 10:59:45 ishii Exp $
*
* WIN1250 client encoding updated by Pavel Behal
*
@ -573,4 +573,14 @@ pg_verifymbstr(const unsigned char *mbstr, int len)
}
return NULL;
}
/*
* fetch maximum length of a char encoding for the current database
*/
int
pg_database_encoding_max_length(void)
{
return pg_wchar_table[GetDatabaseEncoding()].maxmblen;
}
#endif

3
src/include/mb/pg_wchar.h
View File

@ -1,4 +1,4 @@
/* $Id: pg_wchar.h,v 1.31 2001/09/21 15:27:38 tgl Exp $ */
/* $Id: pg_wchar.h,v 1.32 2001/09/23 10:59:45 ishii Exp $ */
#ifndef PG_WCHAR_H
#define PG_WCHAR_H
@ -226,6 +226,7 @@ extern int pg_mbstrlen_with_len(const unsigned char *, int);
extern int pg_mbcliplen(const unsigned char *, int, int);
extern int pg_mbcharcliplen(const unsigned char *, int, int);
extern int pg_encoding_max_length(int);
extern int pg_database_encoding_max_length(void);
extern int pg_set_client_encoding(int);
extern int pg_get_client_encoding(void);