59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
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/*
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+----------------------------------------------------------------------+
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| Copyright © The PHP Group and Contributors. |
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+----------------------------------------------------------------------+
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| This source file is subject to the Modified BSD License that is |
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| bundled with this package in the file LICENSE, and is available |
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| through the World Wide Web at <https://www.php.net/license/>. |
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| SPDX-License-Identifier: BSD-3-Clause |
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+----------------------------------------------------------------------+
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| Author: Anatol Belski <ab@php.net> |
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+----------------------------------------------------------------------+
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*/
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#include "php.h"
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#include "ipc.h"
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#include <windows.h>
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#include <sys/stat.h>
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#include "ioutil.h"
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PHP_WIN32_IPC_API key_t
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ftok(const char *pathname, int proj_id)
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{/*{{{*/
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HANDLE fh;
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struct _stat st;
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BY_HANDLE_FILE_INFORMATION bhfi;
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key_t ret;
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PHP_WIN32_IOUTIL_INIT_W(pathname)
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if (!pathw) {
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return (key_t)-1;
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}
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if (_wstat(pathw, &st) < 0) {
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PHP_WIN32_IOUTIL_CLEANUP_W()
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return (key_t)-1;
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}
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if ((fh = CreateFileW(pathw, FILE_GENERIC_READ, PHP_WIN32_IOUTIL_DEFAULT_SHARE_MODE, 0, OPEN_EXISTING, 0, 0)) == INVALID_HANDLE_VALUE) {
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PHP_WIN32_IOUTIL_CLEANUP_W()
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return (key_t)-1;
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}
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if (!GetFileInformationByHandle(fh, &bhfi)) {
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PHP_WIN32_IOUTIL_CLEANUP_W()
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CloseHandle(fh);
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return (key_t)-1;
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}
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ret = (key_t) ((proj_id & 0xff) << 24 | (st.st_dev & 0xff) << 16 | (bhfi.nFileIndexLow & 0xffff));
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CloseHandle(fh);
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PHP_WIN32_IOUTIL_CLEANUP_W()
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return ret;
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}/*}}}*/
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