323 lines
9.7 KiB
C++
323 lines
9.7 KiB
C++
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// Copyright 1995-1997 Microsoft Corporation. All Rights Reserved.
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// itssini.cpp : INI file support for InfoTech Structured Storage files
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// need for those pesky pre-compiled headers
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#include "header.h"
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#include "itssini.h"
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// InfoTech Include Files
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#include "fsclient.h"
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// macros
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#define upper(x) ( ((x) >= 'a' && (x) <= 'z') ? (x)-'a'+'A' : (x) )
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/*****************************************************************************
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* CreateStorageFileBuffer()
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*
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* Function reads in the specified initialization file inside of an
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* InfoTech Structured Storage file and buffers it
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*
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* ENTRY:
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* lpFileName - Pointer to the file that contains the initialization
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* file.
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* pStorage - Pointer to InfoTech Structured Storage file.
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*
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* EXIT:
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* LPCTSTR - The returned buffer.
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*
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****************************************************************************/
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LPCSTR CreateStorageFileBuffer( LPCTSTR lpFileName, IStorage* pStorage )
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{
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LPCSTR lpBuffer = NULL;
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if( lpFileName && pStorage ) {
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IStream* pStream = NULL;
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CWStr cszw(lpFileName);
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HRESULT hr;
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if( (hr = pStorage->OpenStream(cszw, 0, STGM_READ, 0, &pStream )) == S_OK ) {
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STATSTG StatStg;
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if ((hr = pStream->Stat(&StatStg, STATFLAG_NONAME)) == S_OK) {
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lpBuffer = (LPCSTR) lcMalloc(StatStg.cbSize.LowPart);
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ULONG cbRead;
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hr = pStream->Read((void*) lpBuffer, StatStg.cbSize.LowPart, &cbRead );
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if (FAILED(hr) || cbRead != StatStg.cbSize.LowPart) {
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lcFree(lpBuffer);
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return NULL;
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}
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}
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}
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}
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return lpBuffer;
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}
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/*****************************************************************************
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* GetStorageProfileString()
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*
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* Function reads a string from an initialization file inside of an
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* InfoTech Structured Storage file
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*
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* ENTRY:
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* lpSectionName - Identifies the section to search.
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* lpKeyName - Identifies the "Key" tp search for.
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* lpDefault - Default return string if the read fails.
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* lpReturnedString - Destination buffer.
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* nSize - Specifies the size, in characters, of the buffer
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* pointed to by the lpReturnedString parameter.
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* lpFileName - Pointer to the file that contains the initialization
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* file.
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* pStorage - Pointer to InfoTech Structured Storage file.
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*
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* EXIT:
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* DWORD - The return value is the number of characters copied to the
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* buffer, not including the terminating null character.
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*
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****************************************************************************/
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DWORD GetStorageProfileString( LPCTSTR lpSectionName, LPCTSTR lpKeyName, LPCTSTR lpDefault,
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LPSTR lpReturnedString, INT nSize, LPCSTR lpFileName,
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IStorage* pStorage )
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{
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// buffer the initialization file
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LPCSTR lpBuffer = CreateStorageFileBuffer( lpFileName, pStorage );
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if (!lpBuffer)
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return 0;
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// get the value of the specified key
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DWORD dwReturn = GetBufferProfileString( lpSectionName, lpKeyName, lpDefault,
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lpReturnedString, nSize, lpBuffer );
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// free the initialization file buffer
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DestroyStorageFileBuffer(lpBuffer);
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return dwReturn;
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}
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/*****************************************************************************
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* GetStorageProfileInt()
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*
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* Function reads an unsigned integer from an initialization file inside of an
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* InfoTech Structured Storage file
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*
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* ENTRY:
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* lpSectionName - Identifies the section to search.
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* lpKeyName - Identifies the "Key" tp search for.
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* lpDefault - Default return value if read fails.
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* lpFileName - Pointer to the file that contains the initialization
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* file.
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* pStorage - Pointer to InfoTech Structured Storage file.
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*
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* EXIT:
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* UINT - The return value is the integer equivalent of the string
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* following the specified key name in the specified initialization
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* file. If the key is not found, the return value is the specified
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* default value. If the value of the key is less than zero, the
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* return value is zero.
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*
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****************************************************************************/
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UINT GetStorageProfileInt( LPCTSTR lpSectionName, LPCTSTR lpKeyName,
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INT nDefault, LPCTSTR lpFileName,
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IStorage* pStorage )
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{
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// buffer the initialization file
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LPCSTR lpBuffer = CreateStorageFileBuffer( lpFileName, pStorage );
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if (!lpBuffer)
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return 0;
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// get the value of the specified key
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DWORD dwReturn = GetBufferProfileInt( lpSectionName, lpKeyName, nDefault, lpBuffer );
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// free the initialization file buffer
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DestroyStorageFileBuffer( (LPCSTR) lpBuffer );
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return dwReturn;
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}
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/*****************************************************************************
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* GetBufferProfileString()
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*
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* Function reads a string from an initialization file buffer
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*
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* ENTRY:
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* lpSectionName - Identifies the section to search.
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* lpKeyName - Identifies the "Key" tp search for.
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* lpDefault - Default return string if the read fails.
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* lpReturnedString - Destination buffer.
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* nSize - Specifies the size, in characters, of the buffer
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* pointed to by the lpReturnedString parameter.
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* lpBuffer - Pointer to the buffer that contains the initialization
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* file.
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*
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* EXIT:
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* DWORD - The return value is the number of characters copied to the
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* buffer, not including the terminating null character.
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*
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****************************************************************************/
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DWORD GetBufferProfileString( LPCTSTR lpSectionName, LPCTSTR lpKeyName,
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LPCTSTR lpDefault, LPSTR lpReturnedString,
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INT nSize, LPCSTR lpBuffer )
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{
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INT count, i;
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LPCSTR lpS;
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LPCSTR lpT;
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if (!lpBuffer)
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goto getdef;
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for (lpS = lpBuffer; *lpS; lpS++)
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{
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while (*lpS && *lpS <= ' ')
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lpS++;
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if (*lpS == '[')
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{
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lpS++;
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while (*lpS == ' ' || *lpS == '\t')
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lpS++;
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for (lpT = lpSectionName; *lpT && upper(*lpT) == upper(*lpS); lpT++, lpS++)
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;
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while (*lpS == ' ' || *lpS == '\t')
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lpS++;
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if (!*lpT && *lpS == ']')
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goto foundsec;
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}
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while (*lpS && *lpS != '\r' && *lpS != '\n')
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lpS++;
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// break out once we reach the end
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if( !*lpS )
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break;
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}
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goto getdef;
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foundsec:
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while (*lpS && *lpS != '\r' && *lpS != '\n')
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lpS++;
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count = 0;
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while (*lpS)
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{
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while (*lpS && *lpS <= ' ')
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lpS++;
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if (*lpS == '[')
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break;
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if (*lpS != ';')
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{
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if (lpKeyName)
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{
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for (lpT = lpKeyName; *lpT && upper(*lpT) == upper(*lpS); lpT++, lpS++)
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;
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while (*lpS == ' ' || *lpS == '\t')
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lpS++;
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if (!*lpT && *lpS == '=')
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{
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lpS++;
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while (*lpS == ' ' || *lpS == '\t')
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lpS++;
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while (count < nSize-1 && *lpS && *lpS != ';' && *lpS != '\r' && *lpS != '\n')
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{
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*lpReturnedString++ = *lpS++;
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count++;
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}
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*lpReturnedString = 0;
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return(count);
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}
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}
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else
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{
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while (*lpS && *lpS != '=' && *lpS != '\r' && *lpS != '\n')
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{
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if (count >= nSize-3)
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{
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*lpReturnedString++ = 0;
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*lpReturnedString++ = 0;
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return(count);
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}
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*lpReturnedString++ = *lpS++;
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count++;
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}
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*lpReturnedString++ = 0;
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count++;
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}
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}
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while (*lpS && *lpS != '\r' && *lpS != '\n')
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lpS++;
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}
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if (!lpKeyName)
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{
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*lpReturnedString++ = 0;
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return(count);
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}
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getdef:
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count = lstrlen(lpDefault);
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if (nSize < count)
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count = nSize-1;
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for (i = 0; i < count; i++)
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lpReturnedString[i] = lpDefault[i];
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lpReturnedString[i] = 0;
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return(count);
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}
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/*****************************************************************************
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* GetBufferProfileInt()
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*
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* Function reads an unsigned integer from an initialization file buffer
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*
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* ENTRY:
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* lpSectionName - Identifies the section to search.
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* lpKeyName - Identifies the "Key" tp search for.
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* lpDefault - Default return value if read fails.
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* lpBuffer - Pointer to the buffer that contains the initialization
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* file.
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*
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* EXIT:
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* UINT - The return value is the integer equivalent of the string
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* following the specified key name in the specified initialization
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* file. If the key is not found, the return value is the specified
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* default value. If the value of the key is less than zero, the
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* return value is zero.
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*
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****************************************************************************/
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UINT GetBufferProfileInt( LPCTSTR lpSectionName, LPCTSTR lpKeyName,
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INT nDefault, LPCTSTR lpBuffer )
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{
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char sz[20];
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INT k = 0;
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LPSTR lpT;
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INT sign = 1;
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if (!GetBufferProfileString(lpSectionName,lpKeyName,"",sz,sizeof(sz),lpBuffer))
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return(nDefault);
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lpT = sz;
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while (*lpT && *lpT <= ' ')
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lpT++;
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if (*lpT == '-')
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{
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sign = -1;
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lpT++;
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}
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for (; *lpT >= '0' && *lpT <= '9'; lpT++)
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k *= 10, k += *lpT - '0';
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return(sign * k);
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}
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