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Code

Support for automatic code conversion between UNICODE and other

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encodings
This commit is contained in:
Tatsuo Ishii 2000-10-12 06:08:28 +00:00
parent de53ce8131
commit f48b9f9ec7
1 changed files with 19 additions and 1 deletions
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20
src/include/mb/pg_wchar.h
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@ -1,4 +1,4 @@
/* $Id: pg_wchar.h,v 1.17 2000/08/25 14:24:09 ishii Exp $ */
/* $Id: pg_wchar.h,v 1.18 2000/10/12 06:08:28 ishii Exp $ */
#ifndef PG_WCHAR_H
#define PG_WCHAR_H
@ -82,6 +82,8 @@ typedef struct
* client only */
void (*to_mic) (); /* client encoding to MIC */
void (*from_mic) (); /* MIC to client encoding */
void (*to_unicode) (); /* client encoding to UTF-8 */
void (*from_unicode) (); /* UTF-8 to client encoding */
} pg_encoding_conv_tbl;
extern pg_encoding_conv_tbl pg_conv_tbl[];
@ -95,6 +97,19 @@ typedef struct
extern pg_wchar_tbl pg_wchar_table[];
typedef struct
{
unsigned int utf; /* UTF-8 */
unsigned int code; /* local code */
unsigned char encoding; /* encoding */
} pg_utf_to_local;
typedef struct
{
unsigned int code; /* local code */
unsigned int utf; /* UTF-8 */
} pg_local_to_utf;
extern int pg_mb2wchar(const unsigned char *, pg_wchar *);
extern int pg_mb2wchar_with_len(const unsigned char *, pg_wchar *, int);
extern int pg_char_and_wchar_strcmp(const char *, const pg_wchar *);
@ -102,6 +117,7 @@ extern int pg_wchar_strncmp(const pg_wchar *, const pg_wchar *, size_t);
extern int pg_char_and_wchar_strncmp(const char *, const pg_wchar *, size_t);
extern size_t pg_wchar_strlen(const pg_wchar *);
extern int pg_mblen(const unsigned char *);
extern int pg_mblen_with_encoding(const unsigned char *, int);
extern int pg_encoding_mblen(int, const unsigned char *);
extern int pg_mule_mblen(const unsigned char *);
extern int pg_mic_mblen(const unsigned char *);
@ -120,6 +136,8 @@ extern int pg_get_client_encoding(void);
extern unsigned char *pg_client_to_server(unsigned char *, int);
extern unsigned char *pg_server_to_client(unsigned char *, int);
extern int pg_valid_client_encoding(const char *);
extern pg_encoding_conv_tbl *pg_get_enc_ent(int);
extern int pg_utf_mblen(const unsigned char *);
/* internally-used versions of functions. The PG_xxx forms of these
* functions have fmgr-compatible interfaves.