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.
10 * This program is distributed in the hope that it will be useful, but
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).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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.
28 * Use is subject to license terms.
30 * Copyright (c) 2012, Whamcloud, Inc.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * libcfs/include/libcfs/libcfs_string.h
38 * Generic string manipulation functions.
40 * Author: Nathan Rutman <nathan.rutman@sun.com>
43 #ifndef __LIBCFS_STRING_H__
44 #define __LIBCFS_STRING_H__
47 /* Convert a text string to a bitmask */
48 int cfs_str2mask(const char *str, const char *(*bit2str)(int bit),
49 int *oldmask, int minmask, int allmask);
51 /* Allocate space for and copy an existing string.
52 * Must free with cfs_free().
54 char *cfs_strdup(const char *str, u_int32_t flags);
57 int cfs_vsnprintf(char *buf, size_t size, const char *fmt, va_list args);
60 int cfs_snprintf(char *buf, size_t size, const char *fmt, ...);
62 /* trim leading and trailing space characters */
63 char *cfs_firststr(char *str, size_t size);
66 * Structure to represent NULL-less strings.
74 * Structure to represent \<range_expr\> token of the syntax.
76 struct cfs_range_expr {
78 * Link to cfs_expr_list::el_exprs.
86 struct cfs_expr_list {
106 char *cfs_trimwhite(char *str);
107 int cfs_gettok(struct cfs_lstr *next, char delim, struct cfs_lstr *res);
108 int cfs_str2num_check(char *str, int nob, unsigned *num,
109 unsigned min, unsigned max);
110 int cfs_range_expr_parse(struct cfs_lstr *src, unsigned min, unsigned max,
111 int single_tok, struct cfs_range_expr **expr);
112 int cfs_expr_list_match(__u32 value, struct cfs_expr_list *expr_list);
113 int cfs_expr_list_values(struct cfs_expr_list *expr_list,
114 int max, __u32 **values);
115 void cfs_expr_list_free(struct cfs_expr_list *expr_list);
116 void cfs_expr_list_print(struct cfs_expr_list *expr_list);
117 int cfs_expr_list_parse(char *str, int len, unsigned min, unsigned max,
118 struct cfs_expr_list **elpp);
119 void cfs_expr_list_free_list(cfs_list_t *list);
120 int cfs_ip_addr_parse(char *str, int len, cfs_list_t *list);
121 int cfs_ip_addr_match(__u32 addr, cfs_list_t *list);
122 void cfs_ip_addr_free(cfs_list_t *list);
125 #define strtoul(str, endp, base) simple_strtoul(str, endp, base)