2 * Copyright (c) 2012, JANET(UK)
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6 * modification, are permitted provided that the following conditions
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10 * notice, this list of conditions and the following disclaimer.
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14 * documentation and/or other materials provided with the distribution.
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17 * may be used to endorse or promote products derived from this software
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24 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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39 #include <tr_name_internal.h>
41 void tr_free_name (TR_NAME *name)
51 TR_NAME *tr_new_name (const char *name)
55 new = malloc(sizeof(TR_NAME));
57 new->len = (int) strlen(name);
58 new->buf = malloc(1 + (size_t) new->len);
60 strcpy(new->buf, name);
69 TR_NAME *tr_dup_name (const TR_NAME *from)
77 if (NULL != (to = malloc(sizeof(TR_NAME)))) {
79 if (NULL != (to->buf = malloc(1 + (size_t) to->len))) {
80 strncpy(to->buf, from->buf, (size_t) from->len);
81 to->buf[to->len] = 0; /* NULL terminate for debugging printf()s */
87 int tr_name_cmp(const TR_NAME *one, const TR_NAME *two)
92 if (two->len<one->len)
93 len=two->len; /* len now min(one->len,two->len) */
95 cmp=strncmp(one->buf, two->buf, (size_t) len);
97 if (one->len<two->len)
99 else if (one->len==two->len)
108 * Compare a TR_NAME with a null-terminated string.
110 * @param one TR_NAME to compare
111 * @param two_str Ordinary C null-terminated string
112 * @return 0 on match, <0 if one precedes two, >0 if two precedes one
114 int tr_name_cmp_str(const TR_NAME *one, const char *two_str)
116 TR_NAME *two=tr_new_name(two_str);
117 int cmp=tr_name_cmp(one, two);
123 * Compare strings, allowing one to have a single '*' as the wildcard character if it is the first character.
124 * Leading whitespace is significant.
126 * @param str Fixed string to compare
127 * @param wc_str Wildcard string to compare
128 * @return 1 if the the string (str) matches the wildcard string (wc_str), 0 if not.
131 int tr_name_prefix_wildcard_match(const TR_NAME *str, const TR_NAME *wc_str)
133 const char *wc_post=NULL;
136 if ((!str) || (!wc_str))
139 wc_len = (size_t) wc_str->len;
143 if ('*' == wc_str->buf[0]) {
144 /* Wildcard, so the actual compare will start at the second character of wc_str */
145 wc_post = wc_str->buf + 1;
147 } else if (str->len == wc_len) {
148 /* No wildcard, but the strings are the same length so may match.
149 * Compare the full strings. */
151 wc_len = (size_t) wc_str->len;
153 /* No wildcard and strings are different length, so no match */
157 /* A match is not possible if the fixed part of the wildcard string is longer than
158 * the string to match it against. */
159 if (wc_len > str->len)
162 /* Now we compare the last wc_len characters of str against wc_post */
163 return (0 == strncmp(str->buf + str->len - wc_len, wc_post, wc_len));
166 void tr_name_strlcat(char *dest, const TR_NAME *src, size_t len)
172 used_len = (size_t) src->len;
174 strncat(dest, src->buf, used_len);
179 char * tr_name_strdup(const TR_NAME *src)
181 char *s = calloc(1 + (size_t) src->len, 1);
183 memcpy(s, src->buf, (size_t) src->len);
189 json_t *tr_name_to_json_string(const TR_NAME *src)
191 char *s=tr_name_strdup(src);
192 json_t *js=json_string(s);
198 TR_NAME *tr_name_cat(const TR_NAME *n1, const TR_NAME *n2)
200 char *s=malloc((size_t) n1->len + (size_t) n2->len + 1);
206 strncat(s, n1->buf, (size_t) n1->len);
207 strncat(s, n2->buf, (size_t) n2->len);