xref: /PHP-7.4/ext/standard/scanf.h (revision 0cf7de1c)
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: Clayton Collie <clcollie@mindspring.com>                     |
16    +----------------------------------------------------------------------+
17 */
18 
19 #ifndef  SCANF_H
20 #define  SCANF_H
21 
22 
23 #define SCAN_MAX_ARGS   0xFF    /* Maximum number of variable which can be      */
24                                 /* passed to (f|s)scanf. This is an artificial   */
25                                 /* upper limit to keep resources in check and   */
26                                 /* minimize the possibility of exploits         */
27 
28 #define SCAN_SUCCESS			SUCCESS
29 #define SCAN_ERROR_EOF			-1	/* indicates premature termination of scan 	*/
30 									/* can be caused by bad parameters or format*/
31 									/* string.									*/
32 #define SCAN_ERROR_INVALID_FORMAT		(SCAN_ERROR_EOF - 1)
33 #define SCAN_ERROR_VAR_PASSED_BYVAL		(SCAN_ERROR_INVALID_FORMAT - 1)
34 #define SCAN_ERROR_WRONG_PARAM_COUNT	(SCAN_ERROR_VAR_PASSED_BYVAL - 1)
35 #define SCAN_ERROR_INTERNAL             (SCAN_ERROR_WRONG_PARAM_COUNT - 1)
36 
37 
38 /*
39  * The following are here solely for the benefit of the scanf type functions
40  * e.g. fscanf
41  */
42 PHPAPI int ValidateFormat(char *format, int numVars, int *totalVars);
43 PHPAPI int php_sscanf_internal(char *string,char *format,int argCount,zval *args,
44 				int varStart, zval *return_value);
45 
46 
47 #endif /* SCANF_H */
48