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14 * in the LICENSE file that accompanied this code).
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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_STRING_H__
44 #define __LIBCFS_STRING_H__
47 /* string comparison ignoring case */
48 int cfs_strncasecmp(const char *s1, const char *s2, size_t n);
49 /* Convert a text string to a bitmask */
50 int cfs_str2mask(const char *str, const char *(*bit2str)(int bit),
51 int *oldmask, int minmask, int allmask);
53 /* Allocate space for and copy an existing string.
54 * Must free with cfs_free().
56 char *cfs_strdup(const char *str, u_int32_t flags);
59 int cfs_vsnprintf(char *buf, size_t size, const char *fmt, va_list args);
62 int cfs_snprintf(char *buf, size_t size, const char *fmt, ...);
64 /* trim leading and trailing space characters */
65 char *cfs_firststr(char *str, size_t size);
68 * Structure to represent NULL-less strings.
76 * Structure to represent \<range_expr\> token of the syntax.
78 struct cfs_range_expr {
80 * Link to cfs_expr_list::el_exprs.
88 struct cfs_expr_list {
108 char *cfs_trimwhite(char *str);
109 int cfs_gettok(struct cfs_lstr *next, char delim, struct cfs_lstr *res);
110 int cfs_str2num_check(char *str, int nob, unsigned *num,
111 unsigned min, unsigned max);
112 int cfs_range_expr_parse(struct cfs_lstr *src, unsigned min, unsigned max,
113 int single_tok, struct cfs_range_expr **expr);
114 int cfs_expr_list_match(__u32 value, struct cfs_expr_list *expr_list);
115 int cfs_expr_list_values(struct cfs_expr_list *expr_list,
116 int max, __u32 **values);
118 cfs_expr_list_values_free(__u32 *values, int num)
120 /* This array is allocated by LIBCFS_ALLOC(), so it shouldn't be freed
121 * by OBD_FREE() if it's called by module other than libcfs & LNet,
122 * otherwise we will see fake memory leak */
123 LIBCFS_FREE(values, num * sizeof(values[0]));
126 void cfs_expr_list_free(struct cfs_expr_list *expr_list);
127 void cfs_expr_list_print(struct cfs_expr_list *expr_list);
128 int cfs_expr_list_parse(char *str, int len, unsigned min, unsigned max,
129 struct cfs_expr_list **elpp);
130 void cfs_expr_list_free_list(cfs_list_t *list);
131 int cfs_ip_addr_parse(char *str, int len, cfs_list_t *list);
132 int cfs_ip_addr_match(__u32 addr, cfs_list_t *list);
133 void cfs_ip_addr_free(cfs_list_t *list);
136 #define strtoul(str, endp, base) simple_strtoul(str, endp, base)