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|
/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2017 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: |
| http://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 "ipc.h"
#include <windows.h>
#include <sys/stat.h>
PHPAPI key_t
ftok(const char *pathname, int proj_id)
{
HANDLE fh;
struct stat st;
BY_HANDLE_FILE_INFORMATION bhfi;
key_t ret;
if (stat(pathname, &st) < 0) {
return (key_t)-1;
}
if ((fh = CreateFile(pathname, GENERIC_READ, 0, 0, OPEN_EXISTING, 0, 0)) == INVALID_HANDLE_VALUE) {
return (key_t)-1;
}
if (!GetFileInformationByHandle(fh, &bhfi)) {
CloseHandle(fh);
return (key_t)-1;
}
ret = (key_t) ((proj_id & 0xff) << 24 | (st.st_dev & 0xff) << 16 | ((bhfi.nFileIndexLow | (__int64)bhfi.nFileIndexHigh << 32) & 0xffff));
CloseHandle(fh);
return ret;
}
|
