SQLDriverConnectA

関数

接続文字列を用いてデータソースへ接続する。

DLLODBC32.dll文字セットANSI (-A)呼出規約winapi

シグネチャ

// ODBC32.dll  (ANSI / -A)
#include <windows.h>

SHORT SQLDriverConnectA(
    void* hdbc,
    INT_PTR hwnd,
    BYTE* szConnStrIn,
    SHORT cbConnStrIn,
    BYTE* szConnStrOut,   // optional
    SHORT cbConnStrOutMax,
    SHORT* pcbConnStrOut,   // optional
    WORD fDriverCompletion
);

パラメーター

名前	型	方向
hdbc	void*	inout
hwnd	INT_PTR	in
szConnStrIn	BYTE*	in
cbConnStrIn	SHORT	in
szConnStrOut	BYTE*	outoptional
cbConnStrOutMax	SHORT	in
pcbConnStrOut	SHORT*	outoptional
fDriverCompletion	WORD	in

戻り値の型: SHORT

各言語での呼び出し定義

// ODBC32.dll  (ANSI / -A)
#include <windows.h>

SHORT SQLDriverConnectA(
    void* hdbc,
    INT_PTR hwnd,
    BYTE* szConnStrIn,
    SHORT cbConnStrIn,
    BYTE* szConnStrOut,   // optional
    SHORT cbConnStrOutMax,
    SHORT* pcbConnStrOut,   // optional
    WORD fDriverCompletion
);

[DllImport("ODBC32.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern short SQLDriverConnectA(
    IntPtr hdbc,   // void* in/out
    IntPtr hwnd,   // INT_PTR
    IntPtr szConnStrIn,   // BYTE*
    short cbConnStrIn,   // SHORT
    IntPtr szConnStrOut,   // BYTE* optional, out
    short cbConnStrOutMax,   // SHORT
    IntPtr pcbConnStrOut,   // SHORT* optional, out
    ushort fDriverCompletion   // WORD
);

<DllImport("ODBC32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function SQLDriverConnectA(
    hdbc As IntPtr,   ' void* in/out
    hwnd As IntPtr,   ' INT_PTR
    szConnStrIn As IntPtr,   ' BYTE*
    cbConnStrIn As Short,   ' SHORT
    szConnStrOut As IntPtr,   ' BYTE* optional, out
    cbConnStrOutMax As Short,   ' SHORT
    pcbConnStrOut As IntPtr,   ' SHORT* optional, out
    fDriverCompletion As UShort   ' WORD
) As Short
End Function

' hdbc : void* in/out
' hwnd : INT_PTR
' szConnStrIn : BYTE*
' cbConnStrIn : SHORT
' szConnStrOut : BYTE* optional, out
' cbConnStrOutMax : SHORT
' pcbConnStrOut : SHORT* optional, out
' fDriverCompletion : WORD
Declare PtrSafe Function SQLDriverConnectA Lib "odbc32" ( _
    ByVal hdbc As LongPtr, _
    ByVal hwnd As LongPtr, _
    ByVal szConnStrIn As LongPtr, _
    ByVal cbConnStrIn As Integer, _
    ByVal szConnStrOut As LongPtr, _
    ByVal cbConnStrOutMax As Integer, _
    ByVal pcbConnStrOut As LongPtr, _
    ByVal fDriverCompletion As Integer) As Integer
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SQLDriverConnectA = ctypes.windll.odbc32.SQLDriverConnectA
SQLDriverConnectA.restype = ctypes.c_short
SQLDriverConnectA.argtypes = [
    ctypes.POINTER(None),  # hdbc : void* in/out
    ctypes.c_ssize_t,  # hwnd : INT_PTR
    ctypes.POINTER(ctypes.c_ubyte),  # szConnStrIn : BYTE*
    ctypes.c_short,  # cbConnStrIn : SHORT
    ctypes.POINTER(ctypes.c_ubyte),  # szConnStrOut : BYTE* optional, out
    ctypes.c_short,  # cbConnStrOutMax : SHORT
    ctypes.POINTER(ctypes.c_short),  # pcbConnStrOut : SHORT* optional, out
    ctypes.c_ushort,  # fDriverCompletion : WORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ODBC32.dll')
SQLDriverConnectA = Fiddle::Function.new(
  lib['SQLDriverConnectA'],
  [
    Fiddle::TYPE_VOIDP,  # hdbc : void* in/out
    Fiddle::TYPE_INTPTR_T,  # hwnd : INT_PTR
    Fiddle::TYPE_VOIDP,  # szConnStrIn : BYTE*
    Fiddle::TYPE_SHORT,  # cbConnStrIn : SHORT
    Fiddle::TYPE_VOIDP,  # szConnStrOut : BYTE* optional, out
    Fiddle::TYPE_SHORT,  # cbConnStrOutMax : SHORT
    Fiddle::TYPE_VOIDP,  # pcbConnStrOut : SHORT* optional, out
    -Fiddle::TYPE_SHORT,  # fDriverCompletion : WORD
  ],
  Fiddle::TYPE_SHORT)

#[link(name = "odbc32")]
extern "system" {
    fn SQLDriverConnectA(
        hdbc: *mut (),  // void* in/out
        hwnd: isize,  // INT_PTR
        szConnStrIn: *mut u8,  // BYTE*
        cbConnStrIn: i16,  // SHORT
        szConnStrOut: *mut u8,  // BYTE* optional, out
        cbConnStrOutMax: i16,  // SHORT
        pcbConnStrOut: *mut i16,  // SHORT* optional, out
        fDriverCompletion: u16  // WORD
    ) -> i16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ODBC32.dll", CharSet = CharSet.Ansi)]
public static extern short SQLDriverConnectA(IntPtr hdbc, IntPtr hwnd, IntPtr szConnStrIn, short cbConnStrIn, IntPtr szConnStrOut, short cbConnStrOutMax, IntPtr pcbConnStrOut, ushort fDriverCompletion);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ODBC32_SQLDriverConnectA' -Namespace Win32 -PassThru
# $api::SQLDriverConnectA(hdbc, hwnd, szConnStrIn, cbConnStrIn, szConnStrOut, cbConnStrOutMax, pcbConnStrOut, fDriverCompletion)

#uselib "ODBC32.dll"
#func global SQLDriverConnectA "SQLDriverConnectA" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; SQLDriverConnectA hdbc, hwnd, varptr(szConnStrIn), cbConnStrIn, varptr(szConnStrOut), cbConnStrOutMax, varptr(pcbConnStrOut), fDriverCompletion   ; 戻り値は stat
; hdbc : void* in/out -> "sptr"
; hwnd : INT_PTR -> "sptr"
; szConnStrIn : BYTE* -> "sptr"
; cbConnStrIn : SHORT -> "sptr"
; szConnStrOut : BYTE* optional, out -> "sptr"
; cbConnStrOutMax : SHORT -> "sptr"
; pcbConnStrOut : SHORT* optional, out -> "sptr"
; fDriverCompletion : WORD -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

出力引数:

#uselib "ODBC32.dll"
#cfunc global SQLDriverConnectA "SQLDriverConnectA" sptr, sptr, var, int, var, int, var, int
; res = SQLDriverConnectA(hdbc, hwnd, szConnStrIn, cbConnStrIn, szConnStrOut, cbConnStrOutMax, pcbConnStrOut, fDriverCompletion)
; hdbc : void* in/out -> "sptr"
; hwnd : INT_PTR -> "sptr"
; szConnStrIn : BYTE* -> "var"
; cbConnStrIn : SHORT -> "int"
; szConnStrOut : BYTE* optional, out -> "var"
; cbConnStrOutMax : SHORT -> "int"
; pcbConnStrOut : SHORT* optional, out -> "var"
; fDriverCompletion : WORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。#uselib "ODBC32.dll"
#cfunc global SQLDriverConnectA "SQLDriverConnectA" sptr, sptr, sptr, int, sptr, int, sptr, int
; res = SQLDriverConnectA(hdbc, hwnd, varptr(szConnStrIn), cbConnStrIn, varptr(szConnStrOut), cbConnStrOutMax, varptr(pcbConnStrOut), fDriverCompletion)
; hdbc : void* in/out -> "sptr"
; hwnd : INT_PTR -> "sptr"
; szConnStrIn : BYTE* -> "sptr"
; cbConnStrIn : SHORT -> "int"
; szConnStrOut : BYTE* optional, out -> "sptr"
; cbConnStrOutMax : SHORT -> "int"
; pcbConnStrOut : SHORT* optional, out -> "sptr"
; fDriverCompletion : WORD -> "int"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; SHORT SQLDriverConnectA(void* hdbc, INT_PTR hwnd, BYTE* szConnStrIn, SHORT cbConnStrIn, BYTE* szConnStrOut, SHORT cbConnStrOutMax, SHORT* pcbConnStrOut, WORD fDriverCompletion)
#uselib "ODBC32.dll"
#cfunc global SQLDriverConnectA "SQLDriverConnectA" intptr, intptr, var, int, var, int, var, int
; res = SQLDriverConnectA(hdbc, hwnd, szConnStrIn, cbConnStrIn, szConnStrOut, cbConnStrOutMax, pcbConnStrOut, fDriverCompletion)
; hdbc : void* in/out -> "intptr"
; hwnd : INT_PTR -> "intptr"
; szConnStrIn : BYTE* -> "var"
; cbConnStrIn : SHORT -> "int"
; szConnStrOut : BYTE* optional, out -> "var"
; cbConnStrOutMax : SHORT -> "int"
; pcbConnStrOut : SHORT* optional, out -> "var"
; fDriverCompletion : WORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。; SHORT SQLDriverConnectA(void* hdbc, INT_PTR hwnd, BYTE* szConnStrIn, SHORT cbConnStrIn, BYTE* szConnStrOut, SHORT cbConnStrOutMax, SHORT* pcbConnStrOut, WORD fDriverCompletion)
#uselib "ODBC32.dll"
#cfunc global SQLDriverConnectA "SQLDriverConnectA" intptr, intptr, intptr, int, intptr, int, intptr, int
; res = SQLDriverConnectA(hdbc, hwnd, varptr(szConnStrIn), cbConnStrIn, varptr(szConnStrOut), cbConnStrOutMax, varptr(pcbConnStrOut), fDriverCompletion)
; hdbc : void* in/out -> "intptr"
; hwnd : INT_PTR -> "intptr"
; szConnStrIn : BYTE* -> "intptr"
; cbConnStrIn : SHORT -> "int"
; szConnStrOut : BYTE* optional, out -> "intptr"
; cbConnStrOutMax : SHORT -> "int"
; pcbConnStrOut : SHORT* optional, out -> "intptr"
; fDriverCompletion : WORD -> "int"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	odbc32 = windows.NewLazySystemDLL("ODBC32.dll")
	procSQLDriverConnectA = odbc32.NewProc("SQLDriverConnectA")
)

// hdbc (void* in/out), hwnd (INT_PTR), szConnStrIn (BYTE*), cbConnStrIn (SHORT), szConnStrOut (BYTE* optional, out), cbConnStrOutMax (SHORT), pcbConnStrOut (SHORT* optional, out), fDriverCompletion (WORD)
r1, _, err := procSQLDriverConnectA.Call(
	uintptr(hdbc),
	uintptr(hwnd),
	uintptr(szConnStrIn),
	uintptr(cbConnStrIn),
	uintptr(szConnStrOut),
	uintptr(cbConnStrOutMax),
	uintptr(pcbConnStrOut),
	uintptr(fDriverCompletion),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // SHORT

function SQLDriverConnectA(
  hdbc: Pointer;   // void* in/out
  hwnd: NativeInt;   // INT_PTR
  szConnStrIn: Pointer;   // BYTE*
  cbConnStrIn: Smallint;   // SHORT
  szConnStrOut: Pointer;   // BYTE* optional, out
  cbConnStrOutMax: Smallint;   // SHORT
  pcbConnStrOut: Pointer;   // SHORT* optional, out
  fDriverCompletion: Word   // WORD
): Smallint; stdcall;
  external 'ODBC32.dll' name 'SQLDriverConnectA';

result := DllCall("ODBC32\SQLDriverConnectA"
    , "Ptr", hdbc   ; void* in/out
    , "Ptr", hwnd   ; INT_PTR
    , "Ptr", szConnStrIn   ; BYTE*
    , "Short", cbConnStrIn   ; SHORT
    , "Ptr", szConnStrOut   ; BYTE* optional, out
    , "Short", cbConnStrOutMax   ; SHORT
    , "Ptr", pcbConnStrOut   ; SHORT* optional, out
    , "UShort", fDriverCompletion   ; WORD
    , "Short")   ; return: SHORT

●SQLDriverConnectA(hdbc, hwnd, szConnStrIn, cbConnStrIn, szConnStrOut, cbConnStrOutMax, pcbConnStrOut, fDriverCompletion) = DLL("ODBC32.dll", "int SQLDriverConnectA(void*, int, void*, int, void*, int, void*, int)")
# 呼び出し: SQLDriverConnectA(hdbc, hwnd, szConnStrIn, cbConnStrIn, szConnStrOut, cbConnStrOutMax, pcbConnStrOut, fDriverCompletion)
# hdbc : void* in/out -> "void*"
# hwnd : INT_PTR -> "int"
# szConnStrIn : BYTE* -> "void*"
# cbConnStrIn : SHORT -> "int"
# szConnStrOut : BYTE* optional, out -> "void*"
# cbConnStrOutMax : SHORT -> "int"
# pcbConnStrOut : SHORT* optional, out -> "void*"
# fDriverCompletion : WORD -> "int"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。