xref: /PHP-8.0/ext/standard/ftok.c (revision c37a1cd6)
1 /*
2    +----------------------------------------------------------------------+
3    | Copyright (c) The PHP Group                                          |
4    +----------------------------------------------------------------------+
5    | This source file is subject to version 3.01 of the PHP license,      |
6    | that is bundled with this package in the file LICENSE, and is        |
7    | available through the world-wide-web at the following url:           |
8    | http://www.php.net/license/3_01.txt                                  |
9    | If you did not receive a copy of the PHP license and are unable to   |
10    | obtain it through the world-wide-web, please send a note to          |
11    | license@php.net so we can mail you a copy immediately.               |
12    +----------------------------------------------------------------------+
13    | Author: Andrew Sitnikov <sitnikov@infonet.ee>                        |
14    +----------------------------------------------------------------------+
15 */
16 
17 #include "php.h"
18 
19 #include <sys/types.h>
20 
21 #ifdef HAVE_SYS_IPC_H
22 #include <sys/ipc.h>
23 #endif
24 
25 #ifdef PHP_WIN32
26 #include "win32/ipc.h"
27 #endif
28 
29 #if HAVE_FTOK
30 /* {{{ Convert a pathname and a project identifier to a System V IPC key */
PHP_FUNCTION(ftok)31 PHP_FUNCTION(ftok)
32 {
33 	char *pathname, *proj;
34 	size_t pathname_len, proj_len;
35 	key_t k;
36 
37 	ZEND_PARSE_PARAMETERS_START(2, 2)
38 		Z_PARAM_PATH(pathname, pathname_len)
39 		Z_PARAM_STRING(proj, proj_len)
40 	ZEND_PARSE_PARAMETERS_END();
41 
42 	if (pathname_len == 0){
43 		zend_argument_value_error(1, "cannot be empty");
44 		RETURN_THROWS();
45 	}
46 
47 	if (proj_len != 1){
48 		zend_argument_value_error(2, "must be a single character");
49 		RETURN_THROWS();
50 	}
51 
52 	if (php_check_open_basedir(pathname)) {
53 		RETURN_LONG(-1);
54 	}
55 
56 	k = ftok(pathname, proj[0]);
57 	if (k == -1) {
58 		php_error_docref(NULL, E_WARNING, "ftok() failed - %s", strerror(errno));
59 	}
60 
61 	RETURN_LONG(k);
62 }
63 /* }}} */
64 #endif
65