iconv.c File Reference

This file implements a very simple iconv. More...

#include <config.h>
#include <assert.h>
#include <ctype.h>
#include <freetds/tds.h>
#include <freetds/bytes.h>
#include <freetds/iconv.h>
#include <freetds/bool.h>
#include <freetds/utils/bjoern-utf8.h>
#include "iconv_charsets.h"

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Macros
#define	MASK(n)   ((0xffffffffu << (n)) & 0xffffffffu)
#define	CP1252(i, o)   case o: c = i; break;
#define	CD   ((int) (TDS_INTPTR) cd)

Typedefs
typedef uint32_t	ICONV_CHAR
typedef int(*	iconv_get_t) (const unsigned char *p, size_t len, ICONV_CHAR *out)
typedef int(*	iconv_put_t) (unsigned char *buf, size_t buf_len, ICONV_CHAR c)

Enumerations
enum	ICONV_CD_VALUE { Like_to_Like = 0x100 , Like_to_Like = 0x100 }

Functions
static int	get_utf8 (const unsigned char *p, size_t len, ICONV_CHAR *out)
static int	put_utf8 (unsigned char *buf, size_t buf_len, ICONV_CHAR c)
static int	get_ucs4le (const unsigned char *p, size_t len, ICONV_CHAR *out)
static int	put_ucs4le (unsigned char *buf, size_t buf_len, ICONV_CHAR c)
static int	get_ucs4be (const unsigned char *p, size_t len, ICONV_CHAR *out)
static int	put_ucs4be (unsigned char *buf, size_t buf_len, ICONV_CHAR c)
static int	get_utf16le (const unsigned char *p, size_t len, ICONV_CHAR *out)
static int	put_utf16le (unsigned char *buf, size_t buf_len, ICONV_CHAR c)
static int	get_utf16be (const unsigned char *p, size_t len, ICONV_CHAR *out)
static int	put_utf16be (unsigned char *buf, size_t buf_len, ICONV_CHAR c)
static int	get_iso1 (const unsigned char *p, size_t len, ICONV_CHAR *out)
static int	put_iso1 (unsigned char *buf, size_t buf_len, ICONV_CHAR c)
static int	get_ascii (const unsigned char *p, size_t len, ICONV_CHAR *out)
static int	put_ascii (unsigned char *buf, size_t buf_len, ICONV_CHAR c)
static int	get_cp1252 (const unsigned char *p, size_t len, ICONV_CHAR *out)
static int	put_cp1252 (unsigned char *buf, size_t buf_len, ICONV_CHAR c)
static int	get_err (const unsigned char *p, size_t len, ICONV_CHAR *out)
static int	put_err (unsigned char *buf, size_t buf_len, ICONV_CHAR c)
iconv_t	tds_sys_iconv_open (const char *tocode, const char *fromcode)
	Inputs are FreeTDS canonical names, no other. More...
int	tds_sys_iconv_close (iconv_t cd)
size_t	tds_sys_iconv (iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft)

Variables
static const iconv_get_t	iconv_gets [16]
static const iconv_put_t	iconv_puts [16]

Detailed Description

This file implements a very simple iconv.

Its purpose is to allow ASCII clients to communicate with Microsoft servers that encode their metadata in Unicode (UTF-16).

It supports ISO-8859-1, ASCII, CP1252, UTF-16, UCS-4 and UTF-8

Definition in file iconv.c.

Macro Definition Documentation

CD

#define CD   ((int) (TDS_INTPTR) cd)

CP1252

#define CP1252	(		i,
			o
	)		case o: c = i; break;

MASK

#define MASK

(

n

)

((0xffffffffu << (n)) & 0xffffffffu)

Function Documentation

get_ascii()

static int get_ascii ( const unsigned char *  p, size_t  len, ICONV_CHAR *  out  )

static

Definition at line 269 of file iconv.c.

References EILSEQ, and out().

get_err()

static int get_err ( const unsigned char *  p, size_t  len, ICONV_CHAR *  out  )

static

Definition at line 318 of file iconv.c.

References EILSEQ.

get_iso1()

static int get_iso1 ( const unsigned char *  p, size_t  len, ICONV_CHAR *  out  )

static

Definition at line 251 of file iconv.c.

References out().

get_ucs4be()

static int get_ucs4be ( const unsigned char *  p, size_t  len, ICONV_CHAR *  out  )

static

Definition at line 155 of file iconv.c.

References len, out(), and TDS_GET_UA4BE.

get_ucs4le()

static int get_ucs4le ( const unsigned char *  p, size_t  len, ICONV_CHAR *  out  )

static

Definition at line 137 of file iconv.c.

References len, out(), and TDS_GET_UA4LE.

get_utf16be()

static int get_utf16be ( const unsigned char *  p, size_t  len, ICONV_CHAR *  out  )

static

Definition at line 212 of file iconv.c.

References len, out(), and TDS_GET_UA2BE.

get_utf16le()

static int get_utf16le ( const unsigned char *  p, size_t  len, ICONV_CHAR *  out  )

static

Definition at line 173 of file iconv.c.

References len, out(), and TDS_GET_UA2LE.

get_utf8()

static int get_utf8 ( const unsigned char *  p, size_t  len, ICONV_CHAR *  out  )

static

Definition at line 76 of file iconv.c.

References decode_utf8(), EILSEQ, l(), len, out(), UTF8_ACCEPT, and UTF8_REJECT.

put_ascii()

static int put_ascii ( unsigned char *  buf, size_t  buf_len, ICONV_CHAR  c  )

static

Definition at line 278 of file iconv.c.

References buf, and EILSEQ.

put_err()

static int put_err ( unsigned char *  buf, size_t  buf_len, ICONV_CHAR  c  )

static

Definition at line 324 of file iconv.c.

References EILSEQ.

put_iso1()

static int put_iso1 ( unsigned char *  buf, size_t  buf_len, ICONV_CHAR  c  )

static

Definition at line 258 of file iconv.c.

References buf, and EILSEQ.

put_ucs4be()

static int put_ucs4be ( unsigned char *  buf, size_t  buf_len, ICONV_CHAR  c  )

static

Definition at line 164 of file iconv.c.

References buf, and TDS_PUT_UA4BE.

put_ucs4le()

static int put_ucs4le ( unsigned char *  buf, size_t  buf_len, ICONV_CHAR  c  )

static

Definition at line 146 of file iconv.c.

References buf, and TDS_PUT_UA4LE.

put_utf16be()

static int put_utf16be ( unsigned char *  buf, size_t  buf_len, ICONV_CHAR  c  )

static

Definition at line 233 of file iconv.c.

References buf, EILSEQ, TDS_PUT_UA2BE, and TDS_UNLIKELY.

put_utf16le()

static int put_utf16le ( unsigned char *  buf, size_t  buf_len, ICONV_CHAR  c  )

static

Definition at line 194 of file iconv.c.

References buf, EILSEQ, TDS_PUT_UA2LE, and TDS_UNLIKELY.

put_utf8()

static int put_utf8 ( unsigned char *  buf, size_t  buf_len, ICONV_CHAR  c  )

static

Definition at line 94 of file iconv.c.

References buf, EILSEQ, and MASK.