ftok.c

/*
 +----------------------------------------------------------------------+
 | Copyright (c) The PHP Group |
 +----------------------------------------------------------------------+
 | This source file is subject to version 3.01 of the PHP license, |
 | that is bundled with this package in the file LICENSE, and is |
 | available through the world-wide-web at the following url: |
 | https://www.php.net/license/3_01.txt |
 | If you did not receive a copy of the PHP license and are unable to |
 | obtain it through the world-wide-web, please send a note to |
 | license@php.net so we can mail you a copy immediately. |
 +----------------------------------------------------------------------+
 | Author: Anatol Belski <ab@php.net> |
 +----------------------------------------------------------------------+
 */

#include"php.h"
#include"ipc.h"

#include<windows.h>
#include<sys/stat.h>

#include"ioutil.h"

PHP_WIN32_IPC_APIkey_t
ftok(constchar*pathname, intproj_id)
{/*{{{*/
HANDLEfh;
struct_statst;
BY_HANDLE_FILE_INFORMATIONbhfi;
key_tret;
PHP_WIN32_IOUTIL_INIT_W(pathname)

if (!pathw) {
return (key_t)-1;
 }

if (_wstat(pathw, &st) <0) {
PHP_WIN32_IOUTIL_CLEANUP_W()
return (key_t)-1;
 }

if ((fh=CreateFileW(pathw, FILE_GENERIC_READ, PHP_WIN32_IOUTIL_DEFAULT_SHARE_MODE, 0, OPEN_EXISTING, 0, 0)) ==INVALID_HANDLE_VALUE) {
PHP_WIN32_IOUTIL_CLEANUP_W()
return (key_t)-1;
 }

if (!GetFileInformationByHandle(fh, &bhfi)) {
PHP_WIN32_IOUTIL_CLEANUP_W()
CloseHandle(fh);
return (key_t)-1;
 }

ret= (key_t) ((proj_id&0xff) << 24 | (st.st_dev&0xff) << 16 | (bhfi.nFileIndexLow&0xffff));

CloseHandle(fh);
PHP_WIN32_IOUTIL_CLEANUP_W()

returnret;
}/*}}}*/