Sweden-Number/dlls/advapi32/advapi.c

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/*
* Win32 advapi functions
*
* Copyright 1995 Sven Verdoolaege
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <errno.h>
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#include <stdio.h>
#include <unistd.h>
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#include <string.h>
#include <pwd.h>
#include "winbase.h"
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#include "windef.h"
#include "winnls.h"
#include "winerror.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(advapi);
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/******************************************************************************
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* GetUserNameA [ADVAPI32.@]
*
* NOTE: lpSize returns the total length of the username, including the
* terminating null character.
*/
BOOL WINAPI
GetUserNameA( LPSTR lpszName, LPDWORD lpSize )
{
size_t len;
char *name;
struct passwd *pwd = getpwuid( getuid() );
if (!pwd)
{
ERR("Username lookup failed: %s\n", strerror(errno));
return 0;
}
name = pwd->pw_name;
/* We need to include the null character when determining the size of the buffer. */
len = strlen(name) + 1;
if (len > *lpSize)
{
SetLastError(ERROR_MORE_DATA);
*lpSize = len;
return 0;
}
*lpSize = len;
strcpy(lpszName, name);
return 1;
}
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/******************************************************************************
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* GetUserNameW [ADVAPI32.@]
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*
* PARAMS
* lpszName []
* lpSize []
*/
BOOL WINAPI
GetUserNameW( LPWSTR lpszName, LPDWORD lpSize )
{
LPSTR name = (LPSTR)HeapAlloc( GetProcessHeap(), 0, *lpSize );
DWORD size = *lpSize;
BOOL res = GetUserNameA(name,lpSize);
/* FIXME: should set lpSize in WCHARs */
if (size && !MultiByteToWideChar( CP_ACP, 0, name, -1, lpszName, size ))
lpszName[size-1] = 0;
HeapFree( GetProcessHeap(), 0, name );
return res;
}