前几天还特意找wince下读写ini文件的函数，却意外的在ce的源代码中发现了。有需要的可以参考一下
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
// Use of this sample source code is subject to the terms of the Microsoft
// license agreement under which you licensed this sample source code. If
// you did not accept the terms of the license agreement, you are not
// authorized to use this sample source code. For the terms of the license,
// please see the license agreement between you and Microsoft or, if applicable,
// see the LICENSE.RTF on your install media or the root of your tools installation.
// THE SAMPLE SOURCE CODE IS PROVIDED "AS IS", WITH NO WARRANTIES.
//
#include "iniutil.h"
BOOL ReadIni(LPCWSTR pwszSection, LPCWSTR pwszKey, LPWSTR pwszValue, size_t cchValue, LPCWSTR pwszIniFile)
{
// GetPrivateProfileString is unavailable on CE
BOOL bSuccess = FALSE;
FILE * fin;
WCHAR wszLine[256];
LPWSTR pwsz = NULL;
if (!pwszIniFile ||
!pwszSection ||
!pwszKey ||
!pwszValue ||
!cchValue)
{
goto leave;
}
fin = _wfopen(pwszIniFile, L"r");
if (fin)
{
while (fgetws(wszLine, lengthof(wszLine), fin))
{
if (!wcsstr(wszLine, pwszSection)) // Section
{
continue;
}
while (fgetws(wszLine, lengthof(wszLine), fin)) // Key & Value
{
pwsz = wcschr(wszLine, L'=');
if (!pwsz)
{
continue;
}
*pwsz = L'\0'; // Erase the '='
if (0 != _wcsicmp(wszLine, pwszKey)) // Key
{
continue;
}
pwsz++; // Point to the value
bSuccess = SUCCEEDED(StringCchCopyEx(
pwszValue,
cchValue,
pwsz,
&pwsz,
NULL,
0
));
if (bSuccess)
{
if (*--pwsz == L'\n')
{
*pwsz = L'\0';
}
}
}
}
fclose(fin);
}
leave:
return bSuccess;
}
BOOL WriteIni(LPCWSTR pwszSection, LPCWSTR pwszKey, LPWSTR pwszValue, size_t cchValue, LPCWSTR pwszIniFile)
{
// WritePrivateProfileString is unavailable on CE
BOOL bSuccess = FALSE;
BOOL bReplace;
FILE * fin;
fpos_t posSrc;
fpos_t posDest;
size_t cchLine;
size_t cchNewLine;
WCHAR wszLine[256];
WCHAR wszNewLine[256];
LPWSTR pwsz = NULL;
DWORD dwAttrib;
if (!pwszIniFile ||
!pwszSection ||
!pwszKey ||
(!pwszValue && cchValue) ||
(cchValue >= lengthof(wszLine)))
{
goto leave;
}
dwAttrib = GetFileAttributes(pwszIniFile);
if (dwAttrib == -1)
{
goto leave;
}
SetFileAttributes(pwszIniFile, dwAttrib & ~FILE_ATTRIBUTE_READONLY);
fin = _wfopen(pwszIniFile, L"r+");
if (fin)
{
bReplace = FALSE;
cchNewLine = 0;
while (fgetws(wszLine, lengthof(wszLine), fin))
{
if (!wcsstr(wszLine, pwszSection)) // Section
continue;
if (fgetpos(fin, &posSrc) || fgetpos(fin, &posDest))
{
goto closeFile;
}
while (fgetws(wszLine, lengthof(wszLine), fin)) // Key & Value
{
cchLine = wcslen(wszLine);
pwsz = wcschr(wszLine, L'=');
if (!pwsz)
{
goto nextLine;
}
*pwsz = L'\0'; // Erase the '='
if (0 != _wcsicmp(wszLine, pwszKey)) // Key
{
*pwsz = L'='; // Add the '=' back
goto nextLine;
}
*pwsz = L'='; // Add the '=' back
pwsz++; // Point to the value
// Clear Key & Value on NULL or empty string
if (!pwszValue || !cchValue)
{
bReplace = TRUE;
cchLine = 0;
goto nextLine;
}
// Do not overwritte more than the number of read characters.
size_t cchKey = (pwsz - wszLine);
if (SUCCEEDED(StringCchCopyNEx(
wszNewLine,
lengthof(wszNewLine),
wszLine,
cchKey,
&pwsz,
&cchNewLine,
0
)) &&
SUCCEEDED(StringCchCopyNEx(
pwsz,
cchNewLine,
pwszValue,
min((cchLine - cchKey), cchValue),
&pwsz,
&cchNewLine,
STRSAFE_IGNORE_NULLS
)))
{
bReplace = TRUE;
BOOL bAppendNewLine = FALSE;
if (wszLine[cchLine-1] == L'\n')
{
cchLine--;
bAppendNewLine = TRUE;
}
// See if there are remaining characters to copy
if (cchValue > (cchLine - cchKey))
{
if (bAppendNewLine)
{
cchLine++;
}
pwszValue += (cchLine - cchKey);
if (FAILED(StringCchCopyNEx(
wszLine,
lengthof(wszLine),
pwszValue,
(cchValue - (cchLine - cchKey)),
&pwsz,
&cchLine,
0
)) ||
(bAppendNewLine &&
FAILED(StringCchCopy(pwsz, cchLine, L"\n"))) ||
FAILED(StringCchLength(wszLine, lengthof(wszLine), &cchLine)))
{
bReplace = FALSE;
}
}
else
{
if (bAppendNewLine &&
FAILED(StringCchCopy(pwsz, cchNewLine, L"\n")))
{
bReplace = FALSE;
}
cchLine = 0;
}
if (FAILED(StringCchLength(wszNewLine, lengthof(wszNewLine), &cchNewLine)))
{
bReplace = FALSE;
}
}
nextLine:
if (bReplace)
{
BOOL bEOF = (BOOL)feof(fin);
// Save read offset, then restore write offset
if (fgetpos(fin, &posSrc) || fsetpos(fin, &posDest))
{
goto closeFile;
}
if (cchNewLine)
{
bSuccess = (WEOF != fputws(wszNewLine, fin));
if (cchLine &&
SUCCEEDED(StringCchCopyN(
wszNewLine,
lengthof(wszLine),
wszLine,
cchLine
)))
{
cchNewLine = cchLine;
}
else
{
cchNewLine = 0;
}
}
else if (cchLine)
{
bSuccess = (WEOF != fputws(wszLine, fin));
cchLine = 0;
}
// Save write offset, then restore read offset
if (fgetpos(fin, &posDest) ||
bEOF ||
fsetpos(fin, &posSrc))
{
goto closeFile;
}
}
else
{
// Just update read and write offsets
if (fgetpos(fin, &posSrc) || fgetpos(fin, &posDest))
{
goto closeFile;
}
}
}
}
closeFile:
if (bReplace && !fsetpos(fin, &posDest))
{
if (cchNewLine)
{
bSuccess = (WEOF != fputws(wszNewLine, fin));
}
SetEndOfFile(_fileno(fin));
}
fclose(fin);
}
SetFileAttributes(pwszIniFile, dwAttrib);
leave:
return bSuccess;
}