4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
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11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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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17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
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21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
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30 * Copyright (c) 2012, 2014, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
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36 * libcfs/include/libcfs/libcfs_string.h
38 * Generic string manipulation functions.
40 * Author: Nathan Rutman <nathan.rutman@sun.com>
43 #ifndef __LIBCFS_UTIL_STRING_H__
44 #define __LIBCFS_UTIL_STRING_H__
48 #include <linux/types.h>
49 #include <libcfs/util/list.h>
51 #ifndef HAVE_STRLCPY /* not in glibc for RHEL 5.x, remove when obsolete */
52 size_t strlcpy(char *tgt, const char *src, size_t tgt_len);
55 #ifndef HAVE_STRLCAT /* not in glibc for RHEL 5.x, remove when obsolete */
56 size_t strlcat(char *tgt, const char *src, size_t tgt_len);
60 * Structure to represent NULL-less strings.
68 * Structure to represent \<range_expr\> token of the syntax.
70 struct cfs_range_expr {
72 * Link to cfs_expr_list::el_exprs.
74 struct list_head re_link;
80 struct cfs_expr_list {
81 struct list_head el_link;
82 struct list_head el_exprs;
85 int cfs_gettok(struct cfs_lstr *next, char delim, struct cfs_lstr *res);
86 int cfs_str2num_check(char *str, int nob, unsigned *num,
87 unsigned min, unsigned max);
88 int cfs_expr_list_match(__u32 value, struct cfs_expr_list *expr_list);
89 int cfs_expr_list_print(char *buffer, int count,
90 struct cfs_expr_list *expr_list);
91 int cfs_expr_list_parse(char *str, int len, unsigned min, unsigned max,
92 struct cfs_expr_list **elpp);
93 void cfs_expr_list_free_list(struct list_head *list);
94 int cfs_ip_addr_parse(char *str, int len, struct list_head *list);
95 int cfs_ip_addr_match(__u32 addr, struct list_head *list);