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Fix type_maximum_size() to give the right answer in MULTIBYTE cases.

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Avoid use of prototype-less function pointers in MB code.
This commit is contained in:
Tom Lane
2001-09-21 15:27:38 +00:00
parent 39dc8ff64f
commit e3f5bc3492
4 changed files with 76 additions and 38 deletions
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25
src/backend/utils/mb/wchar.c
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@@ -1,21 +1,21 @@
/*
* conversion functions between pg_wchar and multi-byte streams.
* Tatsuo Ishii
* $Id: wchar.c,v 1.20 2001/09/11 04:50:36 ishii Exp $
* $Id: wchar.c,v 1.21 2001/09/21 15:27:38 tgl Exp $
*
* WIN1250 client encoding updated by Pavel Behal
*
*/
/* can be used in either frontend or backend */
#include "postgres_fe.h"
#include "mb/pg_wchar.h"
#ifdef FRONTEND
#define Assert(condition)
#include "postgres_fe.h"
#define Assert(condition)
#else
#include "postgres.h"
#include "postgres.h"
#endif
#include "mb/pg_wchar.h"
/*
* conversion to pg_wchar is done by "table driven."
@@ -499,6 +499,17 @@ pg_encoding_mblen(int encoding, const unsigned char *mbstr)
((*pg_wchar_table[PG_SQL_ASCII].mblen) (mbstr)));
}
/*
* fetch maximum length of a char encoding
*/
int
pg_encoding_max_length(int encoding)
{
Assert(PG_VALID_ENCODING(encoding));
return pg_wchar_table[encoding].maxmblen;
}
#ifndef FRONTEND
/*
* Verify mbstr to make sure that it has a valid character sequence.
@@ -517,7 +528,7 @@ pg_verifymbstr(const unsigned char *mbstr, int len)
int slen = 0;
/* we do not check single byte encodings */
if (pg_wchar_table[GetDatabaseEncoding()].maxmblen <= 1)
if (pg_encoding_max_length(GetDatabaseEncoding()) <= 1)
return NULL;
while (len > 0 && *mbstr)