Sweden-Number/dlls/advapi32/advapi.c

77 lines
1.6 KiB
C

/*
* Win32 advapi functions
*
* Copyright 1995 Sven Verdoolaege
*/
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <pwd.h>
#include "winbase.h"
#include "windef.h"
#include "winnls.h"
#include "winerror.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(advapi);
/******************************************************************************
* 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;
}
/******************************************************************************
* GetUserNameW [ADVAPI32.@]
*
* 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;
}