Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / staging / lustre / include / linux / libcfs / libcfs_string.h

diff --git a/kernel/drivers/staging/lustre/include/linux/libcfs/libcfs_string.h b/kernel/drivers/staging/lustre/include/linux/libcfs/libcfs_string.h
new file mode 100644 (file)
index 0000000..509dc1e
--- /dev/null
+++ b/kernel/drivers/staging/lustre/include/linux/libcfs/libcfs_string.h
@@ -0,0 +1,107 @@
+/*
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * libcfs/include/libcfs/libcfs_string.h
+ *
+ * Generic string manipulation functions.
+ *
+ * Author: Nathan Rutman <nathan.rutman@sun.com>
+ */
+
+#ifndef __LIBCFS_STRING_H__
+#define __LIBCFS_STRING_H__
+
+/* libcfs_string.c */
+/* string comparison ignoring case */
+int cfs_strncasecmp(const char *s1, const char *s2, size_t n);
+/* Convert a text string to a bitmask */
+int cfs_str2mask(const char *str, const char *(*bit2str)(int bit),
+                int *oldmask, int minmask, int allmask);
+/* trim leading and trailing space characters */
+char *cfs_firststr(char *str, size_t size);
+
+/**
+ * Structure to represent NULL-less strings.
+ */
+struct cfs_lstr {
+       char            *ls_str;
+       int             ls_len;
+};
+
+/*
+ * Structure to represent \<range_expr\> token of the syntax.
+ */
+struct cfs_range_expr {
+       /*
+        * Link to cfs_expr_list::el_exprs.
+        */
+       struct list_head        re_link;
+       __u32           re_lo;
+       __u32           re_hi;
+       __u32           re_stride;
+};
+
+struct cfs_expr_list {
+       struct list_head        el_link;
+       struct list_head        el_exprs;
+};
+
+char *cfs_trimwhite(char *str);
+int cfs_gettok(struct cfs_lstr *next, char delim, struct cfs_lstr *res);
+int cfs_str2num_check(char *str, int nob, unsigned *num,
+                     unsigned min, unsigned max);
+int cfs_expr_list_match(__u32 value, struct cfs_expr_list *expr_list);
+int cfs_expr_list_values(struct cfs_expr_list *expr_list,
+                        int max, __u32 **values);
+static inline void
+cfs_expr_list_values_free(__u32 *values, int num)
+{
+       /* This array is allocated by LIBCFS_ALLOC(), so it shouldn't be freed
+        * by OBD_FREE() if it's called by module other than libcfs & LNet,
+        * otherwise we will see fake memory leak */
+       LIBCFS_FREE(values, num * sizeof(values[0]));
+}
+
+void cfs_expr_list_free(struct cfs_expr_list *expr_list);
+int cfs_expr_list_parse(char *str, int len, unsigned min, unsigned max,
+                       struct cfs_expr_list **elpp);
+void cfs_expr_list_free_list(struct list_head *list);
+int cfs_ip_addr_parse(char *str, int len, struct list_head *list);
+int cfs_ip_addr_match(__u32 addr, struct list_head *list);
+void cfs_ip_addr_free(struct list_head *list);
+
+#define        strtoul(str, endp, base)        simple_strtoul(str, endp, base)
+
+#endif