SQLBrowseConnectA

関数

接続に必要な属性を段階的に取得しながら接続する。

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 SQLBrowseConnectA(
    void* hdbc,
    BYTE* szConnStrIn,
    SHORT cbConnStrIn,
    BYTE* szConnStrOut,   // optional
    SHORT cbConnStrOutMax,
    SHORT* pcbConnStrOut   // optional
);

パラメーター

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

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 SQLBrowseConnectA(
    void* hdbc,
    BYTE* szConnStrIn,
    SHORT cbConnStrIn,
    BYTE* szConnStrOut,   // optional
    SHORT cbConnStrOutMax,
    SHORT* pcbConnStrOut   // optional
);

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

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

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

import ctypes
from ctypes import wintypes

SQLBrowseConnectA = ctypes.windll.odbc32.SQLBrowseConnectA
SQLBrowseConnectA.restype = ctypes.c_short
SQLBrowseConnectA.argtypes = [
    ctypes.POINTER(None),  # hdbc : void* in/out
    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
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ODBC32.dll')
SQLBrowseConnectA = Fiddle::Function.new(
  lib['SQLBrowseConnectA'],
  [
    Fiddle::TYPE_VOIDP,  # hdbc : void* in/out
    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)

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

$sig = @"
[DllImport("ODBC32.dll", CharSet = CharSet.Ansi)]
public static extern short SQLBrowseConnectA(IntPtr hdbc, IntPtr szConnStrIn, short cbConnStrIn, IntPtr szConnStrOut, short cbConnStrOutMax, IntPtr pcbConnStrOut);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ODBC32_SQLBrowseConnectA' -Namespace Win32 -PassThru
# $api::SQLBrowseConnectA(hdbc, szConnStrIn, cbConnStrIn, szConnStrOut, cbConnStrOutMax, pcbConnStrOut)

#uselib "ODBC32.dll"
#func global SQLBrowseConnectA "SQLBrowseConnectA" sptr, sptr, sptr, sptr, sptr, sptr
; SQLBrowseConnectA hdbc, varptr(szConnStrIn), cbConnStrIn, varptr(szConnStrOut), cbConnStrOutMax, varptr(pcbConnStrOut)   ; 戻り値は stat
; hdbc : void* in/out -> "sptr"
; szConnStrIn : BYTE* -> "sptr"
; cbConnStrIn : SHORT -> "sptr"
; szConnStrOut : BYTE* optional, out -> "sptr"
; cbConnStrOutMax : SHORT -> "sptr"
; pcbConnStrOut : SHORT* optional, out -> "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 SQLBrowseConnectA "SQLBrowseConnectA" sptr, var, int, var, int, var
; res = SQLBrowseConnectA(hdbc, szConnStrIn, cbConnStrIn, szConnStrOut, cbConnStrOutMax, pcbConnStrOut)
; hdbc : void* in/out -> "sptr"
; szConnStrIn : BYTE* -> "var"
; cbConnStrIn : SHORT -> "int"
; szConnStrOut : BYTE* optional, out -> "var"
; cbConnStrOutMax : SHORT -> "int"
; pcbConnStrOut : SHORT* optional, out -> "var"
; ※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 SQLBrowseConnectA "SQLBrowseConnectA" sptr, sptr, int, sptr, int, sptr
; res = SQLBrowseConnectA(hdbc, varptr(szConnStrIn), cbConnStrIn, varptr(szConnStrOut), cbConnStrOutMax, varptr(pcbConnStrOut))
; hdbc : void* in/out -> "sptr"
; szConnStrIn : BYTE* -> "sptr"
; cbConnStrIn : SHORT -> "int"
; szConnStrOut : BYTE* optional, out -> "sptr"
; cbConnStrOutMax : SHORT -> "int"
; pcbConnStrOut : SHORT* optional, out -> "sptr"
; ※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 SQLBrowseConnectA(void* hdbc, BYTE* szConnStrIn, SHORT cbConnStrIn, BYTE* szConnStrOut, SHORT cbConnStrOutMax, SHORT* pcbConnStrOut)
#uselib "ODBC32.dll"
#cfunc global SQLBrowseConnectA "SQLBrowseConnectA" intptr, var, int, var, int, var
; res = SQLBrowseConnectA(hdbc, szConnStrIn, cbConnStrIn, szConnStrOut, cbConnStrOutMax, pcbConnStrOut)
; hdbc : void* in/out -> "intptr"
; szConnStrIn : BYTE* -> "var"
; cbConnStrIn : SHORT -> "int"
; szConnStrOut : BYTE* optional, out -> "var"
; cbConnStrOutMax : SHORT -> "int"
; pcbConnStrOut : SHORT* optional, out -> "var"
; ※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 SQLBrowseConnectA(void* hdbc, BYTE* szConnStrIn, SHORT cbConnStrIn, BYTE* szConnStrOut, SHORT cbConnStrOutMax, SHORT* pcbConnStrOut)
#uselib "ODBC32.dll"
#cfunc global SQLBrowseConnectA "SQLBrowseConnectA" intptr, intptr, int, intptr, int, intptr
; res = SQLBrowseConnectA(hdbc, varptr(szConnStrIn), cbConnStrIn, varptr(szConnStrOut), cbConnStrOutMax, varptr(pcbConnStrOut))
; hdbc : void* in/out -> "intptr"
; szConnStrIn : BYTE* -> "intptr"
; cbConnStrIn : SHORT -> "int"
; szConnStrOut : BYTE* optional, out -> "intptr"
; cbConnStrOutMax : SHORT -> "int"
; pcbConnStrOut : SHORT* optional, out -> "intptr"
; ※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")
	procSQLBrowseConnectA = odbc32.NewProc("SQLBrowseConnectA")
)

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

function SQLBrowseConnectA(
  hdbc: Pointer;   // void* in/out
  szConnStrIn: Pointer;   // BYTE*
  cbConnStrIn: Smallint;   // SHORT
  szConnStrOut: Pointer;   // BYTE* optional, out
  cbConnStrOutMax: Smallint;   // SHORT
  pcbConnStrOut: Pointer   // SHORT* optional, out
): Smallint; stdcall;
  external 'ODBC32.dll' name 'SQLBrowseConnectA';

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

●SQLBrowseConnectA(hdbc, szConnStrIn, cbConnStrIn, szConnStrOut, cbConnStrOutMax, pcbConnStrOut) = DLL("ODBC32.dll", "int SQLBrowseConnectA(void*, void*, int, void*, int, void*)")
# 呼び出し: SQLBrowseConnectA(hdbc, szConnStrIn, cbConnStrIn, szConnStrOut, cbConnStrOutMax, pcbConnStrOut)
# hdbc : void* in/out -> "void*"
# szConnStrIn : BYTE* -> "void*"
# cbConnStrIn : SHORT -> "int"
# szConnStrOut : BYTE* optional, out -> "void*"
# cbConnStrOutMax : SHORT -> "int"
# pcbConnStrOut : SHORT* optional, out -> "void*"
# 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)。