1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 7 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Author: Anatol Belski <ab@php.net> |
16 +----------------------------------------------------------------------+
17 */
18
19 #include "php.h"
20 #include "ipc.h"
21
22 #include <windows.h>
23 #include <sys/stat.h>
24
25 #include "ioutil.h"
26
27 PHP_WIN32_IPC_API key_t
ftok(const char * pathname,int proj_id)28 ftok(const char *pathname, int proj_id)
29 {/*{{{*/
30 HANDLE fh;
31 struct _stat st;
32 BY_HANDLE_FILE_INFORMATION bhfi;
33 key_t ret;
34 PHP_WIN32_IOUTIL_INIT_W(pathname)
35
36 if (!pathw) {
37 return (key_t)-1;
38 }
39
40 if (_wstat(pathw, &st) < 0) {
41 PHP_WIN32_IOUTIL_CLEANUP_W()
42 return (key_t)-1;
43 }
44
45 if ((fh = CreateFileW(pathw, FILE_GENERIC_READ, PHP_WIN32_IOUTIL_DEFAULT_SHARE_MODE, 0, OPEN_EXISTING, 0, 0)) == INVALID_HANDLE_VALUE) {
46 PHP_WIN32_IOUTIL_CLEANUP_W()
47 return (key_t)-1;
48 }
49
50 if (!GetFileInformationByHandle(fh, &bhfi)) {
51 PHP_WIN32_IOUTIL_CLEANUP_W()
52 CloseHandle(fh);
53 return (key_t)-1;
54 }
55
56 ret = (key_t) ((proj_id & 0xff) << 24 | (st.st_dev & 0xff) << 16 | ((bhfi.nFileIndexLow | (__int64)bhfi.nFileIndexHigh << 32) & 0xffff));
57
58 CloseHandle(fh);
59 PHP_WIN32_IOUTIL_CLEANUP_W()
60
61 return ret;
62 }/*}}}*/
63
