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/* ************************************************************************** */
/* quelques fonction donnant acces aux API windows */
/* */
/* win32util.c */
/* */
/* Copyright (C) 2004- Francois Terrot (francois.terrot@grisbi.org) */
/* http://www.grisbi.org */
/* */
/* This program is free software; you can redistribute it and/or modify */
/* it under the terms of the GNU General Public License as published by */
/* the Free Software Foundation; either version 2 of the License, or */
/* (at your option) any later version. */
/* */
/* This program is distributed in the hope that it will be useful, */
/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
/* GNU General Public License for more details. */
/* */
/* You should have received a copy of the GNU General Public License */
/* along with this program; if not, write to the Free Software */
/* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/* */
/* ************************************************************************** */
#include <windows.h>
#include <winbase.h>
#include <winerror.h>
#include <shlobj.h>
#include <stdio.h>
#include <stdlib.h>
#include <gtk/gtk.h>
#include "win32utils.h"
// -------------------------------------------------------------------------
// Windows(c) Usefull Functions
// -------------------------------------------------------------------------
/**
* give access to the SetLastError windows function
*
* \param win_error error code to store
*/
void win32_set_last_error(guint win_error) /* {{{ */
{
SetLastError((DWORD)(win_error));
} /* }}} */
/**
* give access without type warning to the GetLastError windows function
*
* \return the last error code stored using win32_set_last_error
*/
guint win32_get_last_error(void) /* {{{ */
{
return (guint)(GetLastError());
} /* }}} */
/**
*
* Retrieve String translation of an Windows error number
*
* ! The returned string MUST be unallocated after used
*
* \param win_error Windows error code
*
* \return a string buffer containing the string
*/
gchar* win32_get_error_string(const guint win_error) /* {{{ */
{
LPVOID lpMsgBuf;
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
NULL,
(DWORD)(win_error),
MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL), // Default language
(LPTSTR) &lpMsgBuf,
0,
NULL);
return (gchar*)(lpMsgBuf);
} /* }}} */
/**
* Encapsulation of the windows LocalFree function to be used for buffer
* allocaed by the LocalMalloc function
*
* \param ptr ptr to free
*
*/
void win32_free(void* ptr) /* {{{ */
{
LocalFree(ptr);
} /* }}} */
// }}}1
// -------------------------------------------------------------------------
// Windows(c) Special Paths ...
// --------------------------------------------------------------------------
static gchar my_documents_path [MAX_PATH+1];
static gchar windows_path [MAX_PATH+1];
static gchar grisbirc_path [MAX_PATH+1];
static gchar grisbi_exe_path [MAX_PATH+1];
static HMODULE hSHFolder = NULL;
static PFNSHGETFOLDERPATH pSHGetFolderPath = NULL;
/**
* Retrieve the SHGetFolder function pointer from the good dll depending
* of the OS
* W2K/XP => Shell32
* older => SHFolder.dll
*/
static PFNSHGETFOLDERPATH _win32_getfolderpath() /* {{{ */
{
if (pSHGetFolderPath == NULL)
{
// First try fom shell32.dll
if (hSHFolder) { FreeLibrary(hSHFolder); }
hSHFolder = LoadLibrary("shell32.dll");
if (hSHFolder)
{
pSHGetFolderPath = (PFNSHGETFOLDERPATH)GetProcAddress(hSHFolder,SZ_SHGETFOLDERPATH);
}
}
if (pSHGetFolderPath == NULL)
{
// Next try fom shfolder.dll
if (hSHFolder) { FreeLibrary(hSHFolder); }
hSHFolder = LoadLibrary("ShFolder.dll");
if (hSHFolder)
{
pSHGetFolderPath = (PFNSHGETFOLDERPATH)GetProcAddress(hSHFolder,SZ_SHGETFOLDERPATH);
}
}
return pSHGetFolderPath;
} /* }}} */
/**
* Retrieve the absolute path in utf8 of a CSIDL directory named
*
* \param folder_path already allocated buffer to retrieve the result
* \param csidl Window ID of the directory (csidl)
*
* \return error status of the operations
*
*/
HRESULT win32_get_folder_path(gchar* folder_path,const int csidl) /* {{{ */
{
HRESULT hr = NO_ERROR;
//gboolean create_folder = csidl & CSIDL_FLAG_CREATE;
gchar* utf8filename = NULL;
PFNSHGETFOLDERPATH pGetFolderPath = _win32_getfolderpath();
*folder_path = 0;
if ((pGetFolderPath)&&(!(pGetFolderPath)(NULL,csidl,NULL,0,folder_path)))
{
hr = GetLastError();
}
else
{
folder_path = g_strconcat("C:\\",NULL);
hr = 0;
}
if (!g_utf8_validate(folder_path, -1, NULL))
{
utf8filename = g_filename_to_utf8(folder_path, -1, NULL, NULL, NULL);
if (utf8filename == NULL) {
utf8filename = g_strconcat("C:\\",NULL);
}
if (utf8filename != NULL) g_strlcpy(folder_path,utf8filename,MAX_PATH);
}
return hr;
} /* }}} */
/**
* Retrive the "My Documents" absloute directory path
*
* Use GetLastError to retrieve error status
* ! See win32_get_folder_path header for warning information
*
* \return my documents absolute path string address ended by "\\"
*
*/
gchar* win32_get_my_documents_folder_path() /* {{{ */
{
SetLastError(win32_get_folder_path(my_documents_path,CSIDL_PERSONAL|CSIDL_FLAG_CREATE));
// g_strlcat(my_documents_path,"\\",MAX_PATH+1);
return my_documents_path;
} /* }}} */
/**
* Retrieve the "Windows" absolute directory path
*
* Use GetLastError to retrieve error status
* ! See win32_get_folder_path header for warning information
*
* \return a pointer the the result status
*
*/
gchar* win32_get_windows_folder_path(void) /* {{{ */
{
SetLastError(GetWindowsDirectory(windows_path,MAX_PATH));
return windows_path;
} /* }}} */
/**
* Retrive the absloute directory path of the gribi configuration file
*
* The configuration file is located in "Application Data"\Grisbi
* If the configuration file does not exist, it will be created by the
* function.
*
* Use GetLastError to retrieve error status
* ! See win32_get_folder_path header for warning information
*
* /return : absolute path string address ended by "\\"
*
*/
gchar* win32_get_grisbirc_folder_path() /* {{{ */
{
gchar* local_filename = NULL;
SetLastError(win32_get_folder_path(grisbirc_path,CSIDL_APPDATA|CSIDL_FLAG_CREATE));
g_strlcat(grisbirc_path,"\\Grisbi\\",MAX_PATH+1);
// To create directory we need to go back from utf8 to locale
local_filename = g_filename_from_utf8(grisbirc_path, -1, NULL, NULL, NULL);
if (local_filename == NULL) g_strlcpy(local_filename,grisbirc_path,MAX_PATH);
CreateDirectory(local_filename,NULL);
return grisbirc_path;
} /* }}} */
/**
* store full path with filename retrieved from argv[0] converted to utf-8 for any internal use
*/
void win32_set_app_path(gchar* syslocale_app_dir) /* {{{ */
{
gchar* uft8_app_dir = NULL;
if (!syslocale_app_dir)
{
g_strlcpy(grisbi_exe_path,"",MAX_PATH);
}
else
{
uft8_app_dir = g_filename_to_utf8(syslocale_app_dir, -1, NULL, NULL, NULL);
if (uft8_app_dir == NULL)
{
uft8_app_dir = g_strdup(syslocale_app_dir);
}
g_strlcpy(grisbi_exe_path,uft8_app_dir,MAX_PATH);
}
if (uft8_app_dir)
{
g_free(uft8_app_dir);
uft8_app_dir = NULL;
}
} /* }}} */
/**
* Construct app subdir like help directory from application running dir
*/
gchar* win32_app_subdir_folder_path(gchar * app_subdir) /* {{{ */
{
return g_strdelimit(g_strconcat(g_path_get_dirname ( grisbi_exe_path ),"\\",app_subdir,NULL),
"\\",
'/');
} /* }}} */
// -------------------------------------------------------------------------
// Windows(c) Version ID and Technology
// Version ID is 95/98/NT/2K/...
// Technology is 3.1/9x/NT/...
// -------------------------------------------------------------------------
/**
* Return the current Windows(c) Version ID
*
* \return The Windows(c) Version ID in win_version
*/
win_version win32_get_windows_version(void) /* {{{ */
{
win_version current_version = WIN_UNKNOWN;
DWORD dwPlatormId;
DWORD dwMajorVers;
DWORD dwMinorVers;
OSVERSIONINFO VersInfos;
VersInfos.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx(&VersInfos);
dwPlatormId = VersInfos.dwPlatformId;
dwMajorVers = VersInfos.dwMajorVersion;
dwMinorVers = VersInfos.dwMinorVersion;
switch (dwPlatormId)
{
case VER_PLATFORM_WIN32s: // Win 3.1
current_version = WIN31;
break;
case VER_PLATFORM_WIN32_WINDOWS: // Win 9x
if (dwMinorVers == 0)
{
current_version = WIN95;
}
else
{
current_version = WIN98;
}
break;
case VER_PLATFORM_WIN32_NT:
if (dwMajorVers == 3 )
{
current_version = WINNT3;
}
else if (dwMajorVers == 4 )
{
current_version = WINNT4;
}
else if (dwMajorVers == 5 )
{
current_version = WIN2K;
}
break;
default:
current_version = WIN_UNKNOWN;
break;
}
return current_version;
} /* }}} GetWindowsVersion */
/**
* Return the current Windows(c) Technology (9x/NT/...) from
* a win_version Windows(c) Version ID.
* \param version version to determine the technology
* \return The Windows(c) Technology in win_technology
*/
win_technology win32_get_windows_technology(win_version version) /* {{{ */
{
if ((version & WIN_UNSUPPORTED ) == WIN_UNSUPPORTED)
{
return WIN_UNSUPPORTED;
}
else if ((version & WIN_9X) == WIN_9X)
{
return WIN_9X;
}
else if ((version & WIN_NT) == WIN_NT)
{
return WIN_NT;
}
else
{
return WIN_UNSUPPORTED;
}
} /* }}} win32_get_windows_technology */
/* }}} */
BOOL win32_shell_execute_open(const gchar* file) /* {{{ */
{
return ((int)ShellExecute(NULL, "open", file, NULL, NULL, SW_SHOWNORMAL)>32);
} /* }}} */
/*
* Start a new process based on CreateProcess
*/
BOOL win32_create_process(gchar* application_path,gchar* arg_line,gchar* utf8_working_directory, gboolean detach,gboolean with_sdterr) /* {{{ */
{
DWORD dw;
STARTUPINFO si;
PROCESS_INFORMATION pi;
TCHAR arg[2*MAX_PATH];
HANDLE hStdError;
gchar* syslocale_working_directory = NULL;
if ((utf8_working_directory)&&(*utf8_working_directory))
{
syslocale_working_directory = g_strdelimit(g_locale_from_utf8(utf8_working_directory,-1,NULL,NULL,NULL),"/",'\\');
}
memset( &si, 0, sizeof(si) );
si.cb = sizeof(si);
memset( &pi, 0, sizeof(pi) );
// STDERR
if (with_sdterr)
{
TCHAR stderr_path[MAX_PATH];
strcpy(stderr_path,application_path);
strcat(stderr_path,".err");
hStdError = CreateFile(stderr_path, // file to create
GENERIC_WRITE, // open for writing
0, // do not share
NULL, // default security
CREATE_ALWAYS, // overwrite existing
FILE_ATTRIBUTE_NORMAL, // normal file
NULL); // no attr. template
if (hStdError == INVALID_HANDLE_VALUE)
{
printf("Could not open file (error %d)\n", (int)GetLastError());
}
else
{
si.hStdError = hStdError;
}
}
sprintf(arg," \"%s\" ",arg_line);
if(!CreateProcess(application_path,
arg,
NULL,
NULL,
FALSE,
CREATE_DEFAULT_ERROR_MODE|DETACHED_PROCESS|NORMAL_PRIORITY_CLASS,
NULL,
syslocale_working_directory,
&si,
&pi))
{
TCHAR szBuf[255];
LPVOID lpMsgBuf;
dw = GetLastError();
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM,
NULL,
dw,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR) &lpMsgBuf,
0, NULL );
wsprintf(szBuf,
"CreateProcess %s failed with error %d: %s",
application_path, dw, lpMsgBuf);
MessageBox(NULL,szBuf, "Error CreateProcess", MB_OK);
LocalFree(lpMsgBuf);
}
else
{
// Wait until child process exits.
if (!detach) WaitForSingleObject( pi.hProcess, INFINITE );
// Close process and thread handles.
CloseHandle( pi.hProcess );
CloseHandle( pi.hThread );
}
// Restore the current environnement
if ((si.hStdError) && (si.hStdError != INVALID_HANDLE_VALUE))
{
CloseHandle(si.hStdError);
si.hStdError = NULL;
}
if (!syslocale_working_directory)
{
g_free(syslocale_working_directory);
syslocale_working_directory = NULL;
}
return (gboolean)(dw==0);
} /* }}} */
/*
* The GetLongPathName API call is only available on Windows 98/ME and Windows 2000/XP.
* It is not available on Windows 95 & NT. This function will emulate it on all system.
* The algorithm recursively strips off path components, then reassembles them with
* their long name equivalents.
*
*
* \param lpszShortPath [in] Pointer to a null-terminated path to be converted limited to MAX_PATH characters
* \param lpszLongPath [out] Pointer to the buffer to receive the long path.
* \param cchBuffer [in] Size of the buffer, in TCHARs.
* \caveats
* The provided buffer MUST have been ALLOCATED before calling the function.
*
* @return
* If the function succeeds, the return value is the length of the string copied to the lpszLongPath parameter,
* in TCHARs. This length does not include the terminating null character.
* If the function fails for any other reason, the return value is zero.
* To get extended error information, call GetLastError.
*
* If the lpszLongPath buffer is too small to contain the path, the return
* value is the size of the buffer required to hold the path, including the
* terminating null character, in TCHARs. Therefore, if the return value is
* greater than cchBuffer, call the function again with a buffer is at least
* this large.
*
* @note
* This function is inspired on the "GetLongPathName API Function Emulation"
* provided by Randall Garacci on the CodeGuru site
* http://www.codeguru.com/Cpp/W-P/files/article.php/c4461/
* Here after the code:
* DWORD GetLongPathName(CString strShortPath,
* CString& strLongPath )
* {
* int iFound = strShortPath.ReverseFind('\\');
* if (iFound > 1)
* {
* // recurse to peel off components
* //
* if (GetLongPathName(strShortPath.Left(iFound),
* strLongPath) > 0)
* {
* strLongPath += '\\';
*
* if (strShortPath.Right(1) != "\\")
* {
* WIN32_FIND_DATA findData;
*
* // append the long component name to the path
* //
* if (INVALID_HANDLE_VALUE != ::FindFirstFile
* (strShortPath, &findData))
* {
* strLongPath += findData.cFileName;
* }
* else
* {
* // if FindFirstFile fails, return the error code
* //
* strLongPath.Empty();
* return 0;
* }
* }
* }
* }
* else
* {
* strLongPath = strShortPath;
* }
*
* return strLongPath.GetLength();
* }
*
* @note (for reading purpose \ and replaced by / in the samples)
* dir1/dir2/file "long dir1/long dir2/long filename"
* /dir1/dir2/file "/long dir1/long dir2/long filename"
* c:/dir1/dir2/file -> "c:/long dir1/long dir2/long file name"
*
* @caveats
* \\server\dir is not supported in this version of the implementation
* duplicate directory separator are not supported by this implementation
*
*/
gchar* win32_long_name(gchar* short_name) /* {{{ */
{
gchar* syslocale_short_name = g_strdelimit(g_strdup(short_name),"/",'\\');
gchar* syslocale_long_name = NULL;
// optimisation : only short names containing '~' have a chance to be different in 'long name'
if (strchr(syslocale_short_name,'~'))
{
gint index = 0;
gchar** syslocale_subitems = g_strsplit(syslocale_short_name,"\\",0);
gchar* item = syslocale_subitems[0];
if ((strlen(item) == 2)&&(item[1] == ':'))
{
syslocale_long_name = g_strdup(item);
index++;
}
for(;syslocale_subitems[index] != NULL; index++)
{
item = syslocale_subitems[index];
//
// search and append the long component name to the path
//
if (*item)
{
gchar* fullpath = g_strjoin("\\", syslocale_long_name, item, NULL);
WIN32_FIND_DATA findData;
if (INVALID_HANDLE_VALUE != FindFirstFile(fullpath,&findData))
{
gchar* previous_long_name = syslocale_long_name;
syslocale_long_name = g_strjoin("\\",previous_long_name,findData.cFileName,NULL);
g_free(previous_long_name);
}
else // if FindFirstFile fails, stop here and return shortname
{
if (syslocale_long_name)
{
g_free(syslocale_long_name);
syslocale_long_name = NULL;
}
}
}
}
if (syslocale_subitems)
{
g_strfreev(syslocale_subitems);
syslocale_subitems = NULL;
}
}
// if long name is not not convert it to utf8
// else use short name ...
if (!syslocale_long_name)
{
syslocale_long_name = g_strdup(short_name);
}
if (syslocale_short_name)
{
g_free(syslocale_short_name);
syslocale_short_name = NULL;
}
return syslocale_long_name;
} /* }}} */
/*
* Return the absolute path of the provided path
*/
gchar* win32_full_path(gchar* syslocale_path) /* {{{ */
{
TCHAR lpsz_fullpath[(MAX_PATH*2)+1];
_fullpath(lpsz_fullpath,(char*)syslocale_path,(size_t)(MAX_PATH*2));
return g_strdup((gchar*)lpsz_fullpath);
} /* }}} */
#define _WIN32_CHAR_IS_DIR_SEPARATOR(c) ((c=='\\')||(c== '/'))
/** \deprecated */
#ifdef _USE_DEPRECTED_
DWORD win32_get_long_path_name(LPCTSTR lpszShortPath, LPTSTR lpszLongPath, DWORD ccBuffer) /* {{{ */
{
int iFound = -1;
iFound = strlen(lpszShortPath);
// UNC path form is not supported, return immediatly
if ( (iFound >= 2) && (_WIN32_CHAR_IS_DIR_SEPARATOR(lpszShortPath[0])) && (_WIN32_CHAR_IS_DIR_SEPARATOR(lpszShortPath[1]) ))
{
return -1;
}
//// remove duplicate (or more) '\' from path by going back to the first of the serie
//while ((iFound > 0) && (lpszShortPath[iFound-1] == '\')) { iFound--; }
//
/*
* Reverse find '\\' in szShortPath
*/
for ( iFound = strlen(lpszShortPath)-1; (iFound >= 0) && (! _WIN32_CHAR_IS_DIR_SEPARATOR(lpszShortPath[iFound])) ; --iFound);
// Remove duplicated directory separator
/*
* Last item to convert detection:
* 01234567890
* c:/dir1/ iFound = 2;path[1] = ':'
* /dir1/... iFound = 0;path[1]!= ':'
* dir1/ iFound =-1;path[1]!= ':';path[2] != '\' ** FIXME Not supported **
*/
/*
* If we point to a '\' at the third position of the string, check if we are in the <disk>:\ case
*/
if ((iFound == 2) && (lpszShortPath[1]==':')) { iFound = -1 ; }
// There is still part in the string which can be converted
if (iFound > 1)
{
TCHAR szLeftOfShortName[MAX_PATH+1];
strcpy((TCHAR*)szLeftOfShortName,(TCHAR*)lpszShortPath);
szLeftOfShortName[iFound] = 0;
if (win32_get_long_path_name(szLeftOfShortName,lpszLongPath,ccBuffer) > 0)
{
if ( lpszShortPath[strlen(lpszShortPath)-1] != '\\' )
{
// search and append the long component name to the path
WIN32_FIND_DATA findData;
if (INVALID_HANDLE_VALUE != FindFirstFile(lpszShortPath,&findData))
{
strcat((TCHAR*)lpszLongPath,"\\");
strcat((TCHAR*)lpszLongPath,findData.cFileName);
}
else // if FindFirstFile fails, return the error code
{
*lpszLongPath = 0;
return 0;
}
}
}
}
// nothing to convert ( c:\ \ )
else
{
strcpy((TCHAR*)lpszLongPath,(TCHAR*)lpszShortPath);
}
return strlen((TCHAR*)lpszLongPath);
} /* }}} */
#endif
/**
* Get Environment variable value using Windows method.
*
* \param env_var Environment varaible name
* \return newly allocated buffer containing the variable value
* the buffer as to be freed using g_free when no more needed.
*
* \retval NULL an error occured. PLease win32_get_last_error to have more information
*/
gchar* win32_get_environment_variable(gchar* env_var) /* {{{ */
{
int nVarBufferSize = GetEnvironmentVariable((LPCTSTR)(char*)(env_var),NULL,0);
TCHAR* lpVarBuffer = (TCHAR*)malloc( sizeof(TCHAR) * (nVarBufferSize + 1));
gchar* ret_buffer = NULL;
if (lpVarBuffer)
{
GetEnvironmentVariable((LPCTSTR)(char*)(env_var),lpVarBuffer,nVarBufferSize);
}
else
{
SetLastError(ERROR_OUTOFMEMORY);
}
// Copy buffer to a buffer managed by GTK
ret_buffer = g_locale_to_utf8(g_strdelimit(g_strdup((gchar*)lpVarBuffer),"\\",'/'),-1,NULL,NULL,NULL);
free(lpVarBuffer);
lpVarBuffer = NULL;
return ret_buffer;
} /* }}} */
/**
* Set Environment variable value.
*
* \param env_var variable name
* \param value_buffer new value buffer
*
* \return same as SetEnvironmentVariable.
*/
gboolean win32_set_environment_variable(gchar* env_var, gchar* value_buffer) /* {{{ */
{
gchar* syslocale_buffer = g_locale_from_utf8(value_buffer,-1,NULL,NULL,NULL);
gboolean bret = SetEnvironmentVariable((LPCTSTR)(char*)env_var,syslocale_buffer);
g_free(syslocale_buffer);
return bret;
} /* }}} */
/**
* Force the application path to be in PATH.
*
* This is used for dll load. This way we are sure that
* local application is the coorecto one especially when running
* from file association.
*
* \param syslocale_app_dir path to add
* \param at 0 head, -1 end
*
*/
void win32_add_to_path(gchar* utf8_app_dir,gint at) /* {{{ */
{
gchar* new_path = NULL;
gchar* utf8path = win32_get_environment_variable("PATH");
switch (at)
{
default:
case 0:
new_path = g_strjoin(";",utf8_app_dir,utf8path);
break;
case -1:
new_path = g_strjoin(";",utf8path,utf8_app_dir);
break;
}
MessageBox(NULL,new_path,"",MB_OK);
win32_set_environment_variable("PATH",g_strdelimit(new_path,"/",'\\'));
g_free(utf8path); utf8path = NULL;
g_free(new_path); new_path = NULL;
} /* }}} */
void win32_set_current_directory(gchar* utf8_dir) /* {{{ */
{
gchar* syslocale_dir = g_strdelimit(g_locale_from_utf8(utf8_dir,-1,NULL,NULL,NULL),"/",'\\');
SetCurrentDirectory(syslocale_dir);
g_free(syslocale_dir);
} /* }}} */
void win32_parse_gtkrc (const gchar * basename){
gchar * out;
gchar * gtkrc_file = g_strdelimit(g_strconcat(g_path_get_dirname ( grisbi_exe_path ),"\\",basename,NULL),
"\\",
'/');
out = g_locale_to_utf8(gtkrc_file, -1, NULL, NULL, NULL);
g_free ( gtkrc_file);
gtkrc_file = g_filename_from_utf8(out, -1, NULL, NULL, NULL);
g_free (out);
gtk_rc_parse(gtkrc_file);
g_free ( gtkrc_file );
}
// -------------------------------------------------------------------------
// End of WinUtils
// -------------------------------------------------------------------------
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