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13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
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18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2012, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
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32 * libcfs/include/libcfs/libcfs_string.h
34 * Generic string manipulation functions.
36 * Author: Nathan Rutman <nathan.rutman@sun.com>
39 #ifndef __LIBCFS_UTIL_STRING_H__
40 #define __LIBCFS_UTIL_STRING_H__
44 #include <linux/types.h>
45 #include <libcfs/util/list.h>
48 * Structure to represent NULL-less strings.
56 * Structure to represent \<range_expr\> token of the syntax.
58 struct cfs_range_expr {
60 * Link to cfs_expr_list::el_exprs.
62 struct list_head re_link;
68 struct cfs_expr_list {
69 struct list_head el_link;
70 struct list_head el_exprs;
73 int cfs_expr_list_values(struct cfs_expr_list *expr_list, int max, __u32 **valpp);
74 int cfs_gettok(struct cfs_lstr *next, char delim, struct cfs_lstr *res);
75 int cfs_str2num_check(char *str, int nob, unsigned *num,
76 unsigned min, unsigned max);
77 int cfs_expr_list_match(__u32 value, struct cfs_expr_list *expr_list);
78 int cfs_expr_list_print(char *buffer, int count,
79 struct cfs_expr_list *expr_list);
80 int cfs_expr_list_parse(char *str, int len, unsigned min, unsigned max,
81 struct cfs_expr_list **elpp);
82 void cfs_expr_list_free(struct cfs_expr_list *expr_list);
83 void cfs_expr_list_free_list(struct list_head *list);
84 int cfs_ip_addr_parse(char *str, int len, struct list_head *list);
85 int cfs_ip_addr_range_gen(__u32 *ip_list, int count,
86 struct list_head *ip_addr_expr);
87 int cfs_ip_addr_match(__u32 addr, struct list_head *list);
88 int cfs_abs_path(const char *request_path, char **resolved_path);