1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 7 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2018 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 "ipc.h"
20
21 #include <windows.h>
22 #include <sys/stat.h>
23
24 #include "ioutil.h"
25
26 PHP_WIN32_IPC_API key_t
ftok(const char * pathname,int proj_id)27 ftok(const char *pathname, int proj_id)
28 {/*{{{*/
29 HANDLE fh;
30 struct _stat st;
31 BY_HANDLE_FILE_INFORMATION bhfi;
32 key_t ret;
33 PHP_WIN32_IOUTIL_INIT_W(pathname)
34
35 if (!pathw) {
36 return (key_t)-1;
37 }
38
39 if (_wstat(pathw, &st) < 0) {
40 PHP_WIN32_IOUTIL_CLEANUP_W()
41 return (key_t)-1;
42 }
43
44 if ((fh = CreateFileW(pathw, FILE_GENERIC_READ, PHP_WIN32_IOUTIL_DEFAULT_SHARE_MODE, 0, OPEN_EXISTING, 0, 0)) == INVALID_HANDLE_VALUE) {
45 PHP_WIN32_IOUTIL_CLEANUP_W()
46 return (key_t)-1;
47 }
48
49 if (!GetFileInformationByHandle(fh, &bhfi)) {
50 PHP_WIN32_IOUTIL_CLEANUP_W()
51 CloseHandle(fh);
52 return (key_t)-1;
53 }
54
55 ret = (key_t) ((proj_id & 0xff) << 24 | (st.st_dev & 0xff) << 16 | ((bhfi.nFileIndexLow | (__int64)bhfi.nFileIndexHigh << 32) & 0xffff));
56
57 CloseHandle(fh);
58 PHP_WIN32_IOUTIL_CLEANUP_W()
59
60 return ret;
61 }/*}}}*/
62
63 /*
64 * Local variables:
65 * tab-width: 4
66 * c-basic-offset: 4
67 * End:
68 * vim600: sw=4 ts=4 fdm=marker
69 * vim<600: sw=4 ts=4
70 */
71
