2 * Copyright (c) 2012, JANET(UK)
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
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13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of JANET(UK) nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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29 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
31 * OF THE POSSIBILITY OF SUCH DAMAGE.
39 #include <trust_router/tr_name.h>
41 void tr_free_name (TR_NAME *name)
51 TR_NAME *tr_new_name (const char *name)
55 if (new = malloc(sizeof(TR_NAME))) {
56 new->len = strlen(name);
57 if (new->buf = malloc((new->len)+1)) {
58 strcpy(new->buf, name);
67 TR_NAME *tr_dup_name (TR_NAME *from)
75 if (NULL != (to = malloc(sizeof(TR_NAME)))) {
77 if (NULL != (to->buf = malloc(to->len+1))) {
78 strncpy(to->buf, from->buf, from->len);
79 to->buf[to->len] = 0; /* NULL terminate for debugging printf()s */
85 int tr_name_cmp(TR_NAME *one, TR_NAME *two)
90 if (two->len<one->len)
91 len=two->len; /* len now min(one->len,two->len) */
93 cmp=strncmp(one->buf, two->buf, len);
95 if (one->len<two->len)
97 else if (one->len==two->len)
106 * Compare a TR_NAME with a null-terminated string.
108 * @param one TR_NAME to compare
109 * @param two_str Ordinary C null-terminated string
110 * @return 0 on match, <0 if one precedes two, >0 if two precedes one
112 int tr_name_cmp_str(TR_NAME *one, const char *two_str)
114 TR_NAME *two=tr_new_name(two_str);
115 int cmp=tr_name_cmp(one, two);
121 * Compare strings, allowing one to have a single '*' as the wildcard character if it is the first character.
122 * Leading whitespace is significant.
124 * @param str Fixed string to compare
125 * @param wc_str Wildcard string to compare
126 * @return 1 if the the string (str) matches the wildcard string (wc_str), 0 if not.
129 int tr_name_prefix_wildcard_match(TR_NAME *str, TR_NAME *wc_str)
131 const char *wc_post=NULL;
134 if ((!str) || (!wc_str))
137 if (0 == (wc_len = wc_str->len))
140 if ('*' == wc_str->buf[0]) {
141 /* Wildcard, so the actual compare will start at the second character of wc_str */
142 wc_post = wc_str->buf + 1;
144 } else if (str->len == wc_len) {
145 /* No wildcard, but the strings are the same length so may match.
146 * Compare the full strings. */
150 /* No wildcard and strings are different length, so no match */
154 /* A match is not possible if the fixed part of the wildcard string is longer than
155 * the string to match it against. */
156 if (wc_len > str->len)
159 /* Now we compare the last wc_len characters of str against wc_post */
160 return (0 == strncmp(str->buf + str->len - wc_len, wc_post, wc_len));
163 void tr_name_strlcat(char *dest, const TR_NAME *src, size_t len)
168 else used_len = src->len;
170 strncat(dest, src->buf, used_len);
175 char * tr_name_strdup(TR_NAME *src)
177 char *s = calloc(src->len+1, 1);
179 memcpy(s, src->buf, src->len);
185 json_t *tr_name_to_json_string(TR_NAME *src)
187 char *s=tr_name_strdup(src);
188 json_t *js=json_string(s);
194 TR_NAME *tr_name_cat(TR_NAME *n1, TR_NAME *n2)
196 char *s=malloc(n1->len+n2->len+1);
202 strncat(s, n1->buf, n1->len);
203 strncat(s, n2->buf, n2->len);