162 lines
3.1 KiB
C
162 lines
3.1 KiB
C
/*++
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Copyright (c) 1990 Microsoft Corporation
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Module Name:
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memory.c
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Abstract:
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This module provides all the memory management functions for all spooler
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components
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Author:
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Krishna Ganugapati (KrishnaG) 03-Feb-1994
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Revision History:
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--*/
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#define UNICODE
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#define _UNICODE
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#include "dswarn.h"
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#include <nt.h>
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#include <ntrtl.h>
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#include <nturtl.h>
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#include <windows.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <tchar.h>
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#include <wchar.h>
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#include <winldap.h>
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#include <adserr.h>
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#include "memory.h"
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#define MAPHEXTODIGIT(x) ( x >= '0' && x <= '9' ? (x-'0') : \
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x >= 'A' && x <= 'F' ? (x-'A'+10) : \
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x >= 'a' && x <= 'f' ? (x-'a'+10) : 0 )
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HRESULT
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ADsEncodeBinaryData (
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PBYTE pbSrcData,
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DWORD dwSrcLen,
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LPWSTR * ppszDestData
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)
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{
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LPWSTR pszDest = NULL;
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DWORD dwDestLen, dwDestSize = 0;
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WCHAR wch;
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if (!ppszDestData || (!pbSrcData && dwSrcLen))
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return (E_ADS_BAD_PARAMETER);
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*ppszDestData = NULL;
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//
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// figure out how long of a buffer we need.
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//
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dwDestLen = ldap_escape_filter_element (
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(char *) pbSrcData,
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dwSrcLen,
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NULL,
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0
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);
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if (dwDestLen == 0) {
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return S_OK;
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}
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dwDestSize = dwDestLen * sizeof (WCHAR);
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pszDest = (LPWSTR) AllocADsMem( dwDestSize );
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if (pszDest == NULL)
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return (E_OUTOFMEMORY );
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ldap_escape_filter_element (
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(char *) pbSrcData,
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dwSrcLen,
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pszDest,
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dwDestSize
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);
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*ppszDestData = pszDest;
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return (S_OK);
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}
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HRESULT
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ADsDecodeBinaryData (
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LPWSTR szSrcData,
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PBYTE *ppbDestData,
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ULONG *pdwDestLen
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)
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{
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HRESULT hr = S_OK;
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ULONG dwDestLen = 0;
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LPWSTR szSrc = NULL;
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PBYTE pbDestData = NULL;
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PBYTE pbDestDataCurrent = NULL;
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WCHAR ch = 0;
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if (szSrcData == NULL) {
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return E_FAIL;
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}
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//
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// Counting length of output binary string
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//
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szSrc = szSrcData;
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while (*szSrc != L'\0') {
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ch = *(szSrc++);
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if (ch == L'\\') {
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szSrc = szSrc + 2;
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}
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dwDestLen++;
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}
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//
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// Allocating return binary string
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//
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pbDestData = (PBYTE) AllocADsMem(dwDestLen);
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if (pbDestData == NULL) {
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hr = E_OUTOFMEMORY;
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return (hr);
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}
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//
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// Decoding String
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//
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szSrc = szSrcData;
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pbDestDataCurrent = pbDestData;
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while (*szSrc != L'\0') {
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ch = *szSrc ++;
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if (ch == L'\\') {
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*(pbDestDataCurrent++) = MAPHEXTODIGIT( *szSrc ) * 16 +
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MAPHEXTODIGIT( *(szSrc+1) );
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szSrc+=2;
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}
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else {
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*(pbDestDataCurrent++) = (BYTE)ch;
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}
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}
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*ppbDestData = pbDestData;
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*pdwDestLen = dwDestLen;
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return hr;
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}
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