data.c File Reference

Handle different data handling from network. More...

#include <config.h>
#include <stdarg.h>
#include <stdio.h>
#include <assert.h>
#include <freetds/utils.h>
#include <freetds/tds.h>
#include <freetds/bytes.h>
#include <freetds/iconv.h>
#include <freetds/checks.h>
#include <freetds/stream.h>
#include <freetds/data.h>
#include <freetds/pushvis.h>
#include <freetds/popvis.h>
#include "tds_types.h"

Include dependency graph for data.c:

Classes
struct	tds_varmax_stream

Macros
#define	TDS_DECLARE_FUNCS(name)   extern const TDSCOLUMNFUNCS tds_ ## name ## _funcs
#define	TDS_DONT_DEFINE_DEFAULT_FUNCTIONS
#define	USE_ICONV   (tds->conn->use_iconv)

Typedefs
typedef struct tds_varmax_stream	TDSVARMAXSTREAM

Functions
static TDSRET	tds72_get_varmax (TDSSOCKET *tds, TDSCOLUMN *curcol)
TDSRET	tds_clrudt_get_info (TDSSOCKET *tds, TDSCOLUMN *col)
TDSRET	tds_clrudt_put_info (TDSSOCKET *tds, TDSCOLUMN *col TDS_UNUSED)
TDS_INT	tds_clrudt_row_len (TDSCOLUMN *col)
	TDS_COMPILE_CHECK (variant_size, sizeof(TDSBLOB) >=sizeof(TDSVARIANT))
	TDS_COMPILE_CHECK (tds_variant_size, sizeof(((TDSVARIANT *) 0) ->data)==sizeof(((TDSBLOB *) 0) ->textvalue))
	TDS_COMPILE_CHECK (tds_variant_offset, TDS_OFFSET(TDSVARIANT, data)==TDS_OFFSET(TDSBLOB, textvalue))
	TDS_DECLARE_FUNCS (generic)
	TDS_DECLARE_FUNCS (numeric)
	TDS_DECLARE_FUNCS (variant)
	TDS_DECLARE_FUNCS (msdatetime)
	TDS_DECLARE_FUNCS (clrudt)
	TDS_DECLARE_FUNCS (sybbigtime)
	TDS_DECLARE_FUNCS (invalid)
	TDS_DECLARE_FUNCS (mstabletype)
TDSRET	tds_generic_get (TDSSOCKET *tds, TDSCOLUMN *curcol)
	Read a data from wire. More...
TDSRET	tds_generic_get_info (TDSSOCKET *tds, TDSCOLUMN *col)
TDSRET	tds_generic_put (TDSSOCKET *tds, TDSCOLUMN *curcol, int bcp7)
	Write data to wire. More...
TDSRET	tds_generic_put_info (TDSSOCKET *tds, TDSCOLUMN *col)
	Put data information to wire. More...
TDS_INT	tds_generic_row_len (TDSCOLUMN *col)
TDS_SERVER_TYPE	tds_get_cardinal_type (TDS_SERVER_TYPE datatype, int usertype)
static TDSRET	tds_get_char_dynamic (TDSSOCKET *tds, TDSCOLUMN *curcol, void **pp, size_t allocated, TDSINSTREAM *r_stream)
static const TDSCOLUMNFUNCS *	tds_get_column_funcs (TDSCONNECTION *conn, int type)
TDSRET	tds_invalid_get (TDSSOCKET *tds TDS_UNUSED, TDSCOLUMN *col TDS_UNUSED)
TDSRET	tds_invalid_get_info (TDSSOCKET *tds TDS_UNUSED, TDSCOLUMN *col TDS_UNUSED)
TDSRET	tds_invalid_put (TDSSOCKET *tds TDS_UNUSED, TDSCOLUMN *col TDS_UNUSED, int bcp7 TDS_UNUSED)
TDSRET	tds_invalid_put_info (TDSSOCKET *tds TDS_UNUSED, TDSCOLUMN *col TDS_UNUSED)
TDS_INT	tds_invalid_row_len (TDSCOLUMN *col TDS_UNUSED)
TDSRET	tds_msdatetime_get (TDSSOCKET *tds, TDSCOLUMN *col)
TDSRET	tds_msdatetime_get_info (TDSSOCKET *tds, TDSCOLUMN *col)
TDSRET	tds_msdatetime_put (TDSSOCKET *tds, TDSCOLUMN *col, int bcp7 TDS_UNUSED)
TDSRET	tds_msdatetime_put_info (TDSSOCKET *tds, TDSCOLUMN *col)
TDS_INT	tds_msdatetime_row_len (TDSCOLUMN *col TDS_UNUSED)
TDSRET	tds_mstabletype_get (TDSSOCKET *tds TDS_UNUSED, TDSCOLUMN *col TDS_UNUSED)
TDSRET	tds_mstabletype_get_info (TDSSOCKET *tds TDS_UNUSED, TDSCOLUMN *col TDS_UNUSED)
TDSRET	tds_mstabletype_put (TDSSOCKET *tds, TDSCOLUMN *col, int bcp7 TDS_UNUSED)
TDSRET	tds_mstabletype_put_info (TDSSOCKET *tds, TDSCOLUMN *col)
TDS_INT	tds_mstabletype_row_len (TDSCOLUMN *col TDS_UNUSED)
TDSRET	tds_numeric_get (TDSSOCKET *tds, TDSCOLUMN *curcol)
TDSRET	tds_numeric_get_info (TDSSOCKET *tds, TDSCOLUMN *col)
TDSRET	tds_numeric_put (TDSSOCKET *tds, TDSCOLUMN *col, int bcp7 TDS_UNUSED)
TDSRET	tds_numeric_put_info (TDSSOCKET *tds, TDSCOLUMN *col)
TDS_INT	tds_numeric_row_len (TDSCOLUMN *col TDS_UNUSED)
void	tds_set_column_type (TDSCONNECTION *conn, TDSCOLUMN *curcol, TDS_SERVER_TYPE type)
	Set type of column initializing all dependency. More...
void	tds_set_param_type (TDSCONNECTION *conn, TDSCOLUMN *curcol, TDS_SERVER_TYPE type)
	Set type of column initializing all dependency. More...
static void	tds_swap_numeric (TDS_NUMERIC *num)
	Converts numeric from Microsoft representation to internal one (Sybase). More...
TDSRET	tds_sybbigtime_get (TDSSOCKET *tds, TDSCOLUMN *col)
TDSRET	tds_sybbigtime_get_info (TDSSOCKET *tds, TDSCOLUMN *col)
TDSRET	tds_sybbigtime_put (TDSSOCKET *tds, TDSCOLUMN *col, int bcp7 TDS_UNUSED)
TDSRET	tds_sybbigtime_put_info (TDSSOCKET *tds, TDSCOLUMN *col TDS_UNUSED)
TDS_INT	tds_sybbigtime_row_len (TDSCOLUMN *col TDS_UNUSED)
TDSRET	tds_variant_get (TDSSOCKET *tds, TDSCOLUMN *curcol)
TDSRET	tds_variant_put (TDSSOCKET *tds TDS_UNUSED, TDSCOLUMN *col TDS_UNUSED, int bcp7 TDS_UNUSED)
TDSRET	tds_variant_put_info (TDSSOCKET *tds TDS_UNUSED, TDSCOLUMN *col TDS_UNUSED)
static int	tds_varmax_stream_read (TDSINSTREAM *stream, void *ptr, size_t len)

Detailed Description

Handle different data handling from network.

Function Documentation

tds_generic_get()

TDSRET tds_generic_get	(	TDSSOCKET *	tds,
		TDSCOLUMN *	curcol
	)

Read a data from wire.

Parameters

tds	state information for the socket and the TDS protocol
curcol	column where store column information

Returns

TDS_FAIL on error or TDS_SUCCESS

tds_generic_put()

TDSRET tds_generic_put	(	TDSSOCKET *	tds,
		TDSCOLUMN *	curcol,
		int	bcp7
	)

Write data to wire.

Parameters

tds	state information for the socket and the TDS protocol
curcol	column where store column information

Returns

TDS_FAIL on error or TDS_SUCCESS

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tds_generic_put_info()

TDSRET tds_generic_put_info	(	TDSSOCKET *	tds,
		TDSCOLUMN *	col
	)

Put data information to wire.

Parameters

tds	state information for the socket and the TDS protocol
col	column where to store information

Returns

TDS_SUCCESS or TDS_FAIL

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tds_set_column_type()

void tds_set_column_type	(	TDSCONNECTION *	conn,
		TDSCOLUMN *	curcol,
		TDS_SERVER_TYPE	type
	)

Set type of column initializing all dependency.

column_usertype should already be set.

Parameters

curcol	column to set
type	type to set

tds_set_param_type()

void tds_set_param_type	(	TDSCONNECTION *	conn,
		TDSCOLUMN *	curcol,
		TDS_SERVER_TYPE	type
	)

Set type of column initializing all dependency.

Parameters

tds	state information for the socket and the TDS protocol
curcol	column to set
type	type to set

tds_swap_numeric()

static void tds_swap_numeric ( TDS_NUMERIC *  num )

static

Converts numeric from Microsoft representation to internal one (Sybase).

Parameters

num	numeric data to convert