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SQLBrowseConnect

関数
接続に必要な属性を反復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
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シグネチャ

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

SHORT SQLBrowseConnect(
    void* hdbc,
    BYTE* szConnStrIn,
    SHORT cchConnStrIn,
    BYTE* szConnStrOut,   // optional
    SHORT cchConnStrOutMax,
    SHORT* pcchConnStrOut   // optional
);

パラメーター

名前型方向説明
hdbcvoid*inout接続を確立する接続ハンドル。
szConnStrInBYTE*in入力接続文字列。段階的に属性を指定する。ANSI文字列。
cchConnStrInSHORTinszConnStrInの文字数。SQL_NTSでNUL終端を示す。
szConnStrOutBYTE*outoptional次に必要な属性を示す出力接続文字列を受け取るバッファ。
cchConnStrOutMaxSHORTinszConnStrOutバッファの文字数長。
pcchConnStrOutSHORT*outoptional出力接続文字列の実際の文字数を受け取るポインタ。NULL可。

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 SQLBrowseConnect(
    void* hdbc,
    BYTE* szConnStrIn,
    SHORT cchConnStrIn,
    BYTE* szConnStrOut,   // optional
    SHORT cchConnStrOutMax,
    SHORT* pcchConnStrOut   // optional
);
[DllImport("ODBC32.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern short SQLBrowseConnect(
    IntPtr hdbc,   // void* in/out
    IntPtr szConnStrIn,   // BYTE*
    short cchConnStrIn,   // SHORT
    IntPtr szConnStrOut,   // BYTE* optional, out
    short cchConnStrOutMax,   // SHORT
    IntPtr pcchConnStrOut   // SHORT* optional, out
);
<DllImport("ODBC32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function SQLBrowseConnect(
    hdbc As IntPtr,   ' void* in/out
    szConnStrIn As IntPtr,   ' BYTE*
    cchConnStrIn As Short,   ' SHORT
    szConnStrOut As IntPtr,   ' BYTE* optional, out
    cchConnStrOutMax As Short,   ' SHORT
    pcchConnStrOut As IntPtr   ' SHORT* optional, out
) As Short
End Function
' hdbc : void* in/out
' szConnStrIn : BYTE*
' cchConnStrIn : SHORT
' szConnStrOut : BYTE* optional, out
' cchConnStrOutMax : SHORT
' pcchConnStrOut : SHORT* optional, out
Declare PtrSafe Function SQLBrowseConnect Lib "odbc32" ( _
    ByVal hdbc As LongPtr, _
    ByVal szConnStrIn As LongPtr, _
    ByVal cchConnStrIn As Integer, _
    ByVal szConnStrOut As LongPtr, _
    ByVal cchConnStrOutMax As Integer, _
    ByVal pcchConnStrOut 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

SQLBrowseConnect = ctypes.windll.odbc32.SQLBrowseConnect
SQLBrowseConnect.restype = ctypes.c_short
SQLBrowseConnect.argtypes = [
    ctypes.POINTER(None),  # hdbc : void* in/out
    ctypes.POINTER(ctypes.c_ubyte),  # szConnStrIn : BYTE*
    ctypes.c_short,  # cchConnStrIn : SHORT
    ctypes.POINTER(ctypes.c_ubyte),  # szConnStrOut : BYTE* optional, out
    ctypes.c_short,  # cchConnStrOutMax : SHORT
    ctypes.POINTER(ctypes.c_short),  # pcchConnStrOut : SHORT* optional, out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ODBC32.dll')
SQLBrowseConnect = Fiddle::Function.new(
  lib['SQLBrowseConnect'],
  [
    Fiddle::TYPE_VOIDP,  # hdbc : void* in/out
    Fiddle::TYPE_VOIDP,  # szConnStrIn : BYTE*
    Fiddle::TYPE_SHORT,  # cchConnStrIn : SHORT
    Fiddle::TYPE_VOIDP,  # szConnStrOut : BYTE* optional, out
    Fiddle::TYPE_SHORT,  # cchConnStrOutMax : SHORT
    Fiddle::TYPE_VOIDP,  # pcchConnStrOut : SHORT* optional, out
  ],
  Fiddle::TYPE_SHORT)
#[link(name = "odbc32")]
extern "system" {
    fn SQLBrowseConnect(
        hdbc: *mut (),  // void* in/out
        szConnStrIn: *mut u8,  // BYTE*
        cchConnStrIn: i16,  // SHORT
        szConnStrOut: *mut u8,  // BYTE* optional, out
        cchConnStrOutMax: i16,  // SHORT
        pcchConnStrOut: *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 SQLBrowseConnect(IntPtr hdbc, IntPtr szConnStrIn, short cchConnStrIn, IntPtr szConnStrOut, short cchConnStrOutMax, IntPtr pcchConnStrOut);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ODBC32_SQLBrowseConnect' -Namespace Win32 -PassThru
# $api::SQLBrowseConnect(hdbc, szConnStrIn, cchConnStrIn, szConnStrOut, cchConnStrOutMax, pcchConnStrOut)
#uselib "ODBC32.dll"
#func global SQLBrowseConnect "SQLBrowseConnect" sptr, sptr, sptr, sptr, sptr, sptr
; SQLBrowseConnect hdbc, varptr(szConnStrIn), cchConnStrIn, varptr(szConnStrOut), cchConnStrOutMax, varptr(pcchConnStrOut)   ; 戻り値は stat
; hdbc : void* in/out -> "sptr"
; szConnStrIn : BYTE* -> "sptr"
; cchConnStrIn : SHORT -> "sptr"
; szConnStrOut : BYTE* optional, out -> "sptr"
; cchConnStrOutMax : SHORT -> "sptr"
; pcchConnStrOut : 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 SQLBrowseConnect "SQLBrowseConnect" sptr, var, int, var, int, var
; res = SQLBrowseConnect(hdbc, szConnStrIn, cchConnStrIn, szConnStrOut, cchConnStrOutMax, pcchConnStrOut)
; hdbc : void* in/out -> "sptr"
; szConnStrIn : BYTE* -> "var"
; cchConnStrIn : SHORT -> "int"
; szConnStrOut : BYTE* optional, out -> "var"
; cchConnStrOutMax : SHORT -> "int"
; pcchConnStrOut : 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。
出力引数: 
; SHORT SQLBrowseConnect(void* hdbc, BYTE* szConnStrIn, SHORT cchConnStrIn, BYTE* szConnStrOut, SHORT cchConnStrOutMax, SHORT* pcchConnStrOut)
#uselib "ODBC32.dll"
#cfunc global SQLBrowseConnect "SQLBrowseConnect" intptr, var, int, var, int, var
; res = SQLBrowseConnect(hdbc, szConnStrIn, cchConnStrIn, szConnStrOut, cchConnStrOutMax, pcchConnStrOut)
; hdbc : void* in/out -> "intptr"
; szConnStrIn : BYTE* -> "var"
; cchConnStrIn : SHORT -> "int"
; szConnStrOut : BYTE* optional, out -> "var"
; cchConnStrOutMax : SHORT -> "int"
; pcchConnStrOut : 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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	odbc32 = windows.NewLazySystemDLL("ODBC32.dll")
	procSQLBrowseConnect = odbc32.NewProc("SQLBrowseConnect")
)

// hdbc (void* in/out), szConnStrIn (BYTE*), cchConnStrIn (SHORT), szConnStrOut (BYTE* optional, out), cchConnStrOutMax (SHORT), pcchConnStrOut (SHORT* optional, out)
r1, _, err := procSQLBrowseConnect.Call(
	uintptr(hdbc),
	uintptr(szConnStrIn),
	uintptr(cchConnStrIn),
	uintptr(szConnStrOut),
	uintptr(cchConnStrOutMax),
	uintptr(pcchConnStrOut),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // SHORT
function SQLBrowseConnect(
  hdbc: Pointer;   // void* in/out
  szConnStrIn: Pointer;   // BYTE*
  cchConnStrIn: Smallint;   // SHORT
  szConnStrOut: Pointer;   // BYTE* optional, out
  cchConnStrOutMax: Smallint;   // SHORT
  pcchConnStrOut: Pointer   // SHORT* optional, out
): Smallint; stdcall;
  external 'ODBC32.dll' name 'SQLBrowseConnect';
result := DllCall("ODBC32\SQLBrowseConnect"
    , "Ptr", hdbc   ; void* in/out
    , "Ptr", szConnStrIn   ; BYTE*
    , "Short", cchConnStrIn   ; SHORT
    , "Ptr", szConnStrOut   ; BYTE* optional, out
    , "Short", cchConnStrOutMax   ; SHORT
    , "Ptr", pcchConnStrOut   ; SHORT* optional, out
    , "Short")   ; return: SHORT
●SQLBrowseConnect(hdbc, szConnStrIn, cchConnStrIn, szConnStrOut, cchConnStrOutMax, pcchConnStrOut) = DLL("ODBC32.dll", "int SQLBrowseConnect(void*, void*, int, void*, int, void*)")
# 呼び出し: SQLBrowseConnect(hdbc, szConnStrIn, cchConnStrIn, szConnStrOut, cchConnStrOutMax, pcchConnStrOut)
# hdbc : void* in/out -> "void*"
# szConnStrIn : BYTE* -> "void*"
# cchConnStrIn : SHORT -> "int"
# szConnStrOut : BYTE* optional, out -> "void*"
# cchConnStrOutMax : SHORT -> "int"
# pcchConnStrOut : 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)。
const std = @import("std");

extern "odbc32" fn SQLBrowseConnect(
    hdbc: ?*anyopaque, // void* in/out
    szConnStrIn: [*c]u8, // BYTE*
    cchConnStrIn: i16, // SHORT
    szConnStrOut: [*c]u8, // BYTE* optional, out
    cchConnStrOutMax: i16, // SHORT
    pcchConnStrOut: [*c]i16 // SHORT* optional, out
) callconv(std.os.windows.WINAPI) i16;
proc SQLBrowseConnect(
    hdbc: pointer,  # void* in/out
    szConnStrIn: ptr uint8,  # BYTE*
    cchConnStrIn: int16,  # SHORT
    szConnStrOut: ptr uint8,  # BYTE* optional, out
    cchConnStrOutMax: int16,  # SHORT
    pcchConnStrOut: ptr int16  # SHORT* optional, out
): int16 {.importc: "SQLBrowseConnect", stdcall, dynlib: "ODBC32.dll".}
pragma(lib, "odbc32");
extern(Windows)
short SQLBrowseConnect(
    void* hdbc,   // void* in/out
    ubyte* szConnStrIn,   // BYTE*
    short cchConnStrIn,   // SHORT
    ubyte* szConnStrOut,   // BYTE* optional, out
    short cchConnStrOutMax,   // SHORT
    short* pcchConnStrOut   // SHORT* optional, out
);
ccall((:SQLBrowseConnect, "ODBC32.dll"), stdcall, Int16,
      (Ptr{Cvoid}, Ptr{UInt8}, Int16, Ptr{UInt8}, Int16, Ptr{Int16}),
      hdbc, szConnStrIn, cchConnStrIn, szConnStrOut, cchConnStrOutMax, pcchConnStrOut)
# hdbc : void* in/out -> Ptr{Cvoid}
# szConnStrIn : BYTE* -> Ptr{UInt8}
# cchConnStrIn : SHORT -> Int16
# szConnStrOut : BYTE* optional, out -> Ptr{UInt8}
# cchConnStrOutMax : SHORT -> Int16
# pcchConnStrOut : SHORT* optional, out -> Ptr{Int16}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int16_t SQLBrowseConnect(
    void* hdbc,
    uint8_t* szConnStrIn,
    int16_t cchConnStrIn,
    uint8_t* szConnStrOut,
    int16_t cchConnStrOutMax,
    int16_t* pcchConnStrOut);
]]
local odbc32 = ffi.load("odbc32")
-- odbc32.SQLBrowseConnect(hdbc, szConnStrIn, cchConnStrIn, szConnStrOut, cchConnStrOutMax, pcchConnStrOut)
-- hdbc : void* in/out
-- szConnStrIn : BYTE*
-- cchConnStrIn : SHORT
-- szConnStrOut : BYTE* optional, out
-- cchConnStrOutMax : SHORT
-- pcchConnStrOut : SHORT* optional, out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
const koffi = require('koffi');
const lib = koffi.load('ODBC32.dll');
const SQLBrowseConnect = lib.func('__stdcall', 'SQLBrowseConnect', 'int16_t', ['void *', 'uint8_t *', 'int16_t', 'uint8_t *', 'int16_t', 'int16_t *']);
// SQLBrowseConnect(hdbc, szConnStrIn, cchConnStrIn, szConnStrOut, cchConnStrOutMax, pcchConnStrOut)
// hdbc : void* in/out -> 'void *'
// szConnStrIn : BYTE* -> 'uint8_t *'
// cchConnStrIn : SHORT -> 'int16_t'
// szConnStrOut : BYTE* optional, out -> 'uint8_t *'
// cchConnStrOutMax : SHORT -> 'int16_t'
// pcchConnStrOut : SHORT* optional, out -> 'int16_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
const lib = Deno.dlopen("ODBC32.dll", {
  SQLBrowseConnect: { parameters: ["pointer", "pointer", "i16", "pointer", "i16", "pointer"], result: "i16" },
});
// lib.symbols.SQLBrowseConnect(hdbc, szConnStrIn, cchConnStrIn, szConnStrOut, cchConnStrOutMax, pcchConnStrOut)
// hdbc : void* in/out -> "pointer"
// szConnStrIn : BYTE* -> "pointer"
// cchConnStrIn : SHORT -> "i16"
// szConnStrOut : BYTE* optional, out -> "pointer"
// cchConnStrOutMax : SHORT -> "i16"
// pcchConnStrOut : SHORT* optional, out -> "pointer"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
int16_t SQLBrowseConnect(
    void* hdbc,
    uint8_t* szConnStrIn,
    int16_t cchConnStrIn,
    uint8_t* szConnStrOut,
    int16_t cchConnStrOutMax,
    int16_t* pcchConnStrOut);
C, "ODBC32.dll");
// $ffi->SQLBrowseConnect(hdbc, szConnStrIn, cchConnStrIn, szConnStrOut, cchConnStrOutMax, pcchConnStrOut);
// hdbc : void* in/out
// szConnStrIn : BYTE*
// cchConnStrIn : SHORT
// szConnStrOut : BYTE* optional, out
// cchConnStrOutMax : SHORT
// pcchConnStrOut : SHORT* optional, out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。
import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Odbc32 extends StdCallLibrary {
    Odbc32 INSTANCE = Native.load("odbc32", Odbc32.class, W32APIOptions.ASCII_OPTIONS);
    short SQLBrowseConnect(
        Pointer hdbc,   // void* in/out
        byte[] szConnStrIn,   // BYTE*
        short cchConnStrIn,   // SHORT
        byte[] szConnStrOut,   // BYTE* optional, out
        short cchConnStrOutMax,   // SHORT
        ShortByReference pcchConnStrOut   // SHORT* optional, out
    );
}
@[Link("odbc32")]
lib LibODBC32
  fun SQLBrowseConnect = SQLBrowseConnect(
    hdbc : Void*,   # void* in/out
    szConnStrIn : UInt8*,   # BYTE*
    cchConnStrIn : Int16,   # SHORT
    szConnStrOut : UInt8*,   # BYTE* optional, out
    cchConnStrOutMax : Int16,   # SHORT
    pcchConnStrOut : Int16*   # SHORT* optional, out
  ) : Int16
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。
import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef SQLBrowseConnectNative = Int16 Function(Pointer<Void>, Pointer<Uint8>, Int16, Pointer<Uint8>, Int16, Pointer<Int16>);
typedef SQLBrowseConnectDart = int Function(Pointer<Void>, Pointer<Uint8>, int, Pointer<Uint8>, int, Pointer<Int16>);
final SQLBrowseConnect = DynamicLibrary.open('ODBC32.dll')
    .lookupFunction<SQLBrowseConnectNative, SQLBrowseConnectDart>('SQLBrowseConnect');
// hdbc : void* in/out -> Pointer<Void>
// szConnStrIn : BYTE* -> Pointer<Uint8>
// cchConnStrIn : SHORT -> Int16
// szConnStrOut : BYTE* optional, out -> Pointer<Uint8>
// cchConnStrOutMax : SHORT -> Int16
// pcchConnStrOut : SHORT* optional, out -> Pointer<Int16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function SQLBrowseConnect(
  hdbc: Pointer;   // void* in/out
  szConnStrIn: Pointer;   // BYTE*
  cchConnStrIn: Smallint;   // SHORT
  szConnStrOut: Pointer;   // BYTE* optional, out
  cchConnStrOutMax: Smallint;   // SHORT
  pcchConnStrOut: Pointer   // SHORT* optional, out
): Smallint; stdcall;
  external 'ODBC32.dll' name 'SQLBrowseConnect';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "SQLBrowseConnect"
  c_SQLBrowseConnect :: Ptr () -> Ptr Word8 -> Int16 -> Ptr Word8 -> Int16 -> Ptr Int16 -> IO Int16
-- hdbc : void* in/out -> Ptr ()
-- szConnStrIn : BYTE* -> Ptr Word8
-- cchConnStrIn : SHORT -> Int16
-- szConnStrOut : BYTE* optional, out -> Ptr Word8
-- cchConnStrOutMax : SHORT -> Int16
-- pcchConnStrOut : SHORT* optional, out -> Ptr Int16
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。
open Ctypes
open Foreign

let sqlbrowseconnect =
  foreign "SQLBrowseConnect"
    ((ptr void) @-> (ptr uint8_t) @-> int16_t @-> (ptr uint8_t) @-> int16_t @-> (ptr int16_t) @-> returning int16_t)
(* hdbc : void* in/out -> (ptr void) *)
(* szConnStrIn : BYTE* -> (ptr uint8_t) *)
(* cchConnStrIn : SHORT -> int16_t *)
(* szConnStrOut : BYTE* optional, out -> (ptr uint8_t) *)
(* cchConnStrOutMax : SHORT -> int16_t *)
(* pcchConnStrOut : SHORT* optional, out -> (ptr int16_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)
(cffi:define-foreign-library odbc32 (t "ODBC32.dll"))
(cffi:use-foreign-library odbc32)

(cffi:defcfun ("SQLBrowseConnect" sqlbrowse-connect :convention :stdcall) :int16
  (hdbc :pointer)   ; void* in/out
  (sz-conn-str-in :pointer)   ; BYTE*
  (cch-conn-str-in :int16)   ; SHORT
  (sz-conn-str-out :pointer)   ; BYTE* optional, out
  (cch-conn-str-out-max :int16)   ; SHORT
  (pcch-conn-str-out :pointer))   ; SHORT* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $SQLBrowseConnect = Win32::API::More->new('ODBC32',
    'short SQLBrowseConnect(LPVOID hdbc, LPVOID szConnStrIn, short cchConnStrIn, LPVOID szConnStrOut, short cchConnStrOutMax, LPVOID pcchConnStrOut)');
# my $ret = $SQLBrowseConnect->Call($hdbc, $szConnStrIn, $cchConnStrIn, $szConnStrOut, $cchConnStrOutMax, $pcchConnStrOut);
# hdbc : void* in/out -> LPVOID
# szConnStrIn : BYTE* -> LPVOID
# cchConnStrIn : SHORT -> short
# szConnStrOut : BYTE* optional, out -> LPVOID
# cchConnStrOutMax : SHORT -> short
# pcchConnStrOut : SHORT* optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

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