| /* | |
| +----------------------------------------------------------------------+ | |
| | 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> | | |
| +----------------------------------------------------------------------+ | |
| */ | |
| PHP_WIN32_IPC_API key_t | |
| ftok(const char *pathname, int proj_id) | |
| {/*{{{*/ | |
| HANDLE fh; | |
| struct _stat st; | |
| BY_HANDLE_FILE_INFORMATION bhfi; | |
| key_t ret; | |
| 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() | |
| return ret; | |
| }/*}}}*/ | |