2 * (c) 2009 Arnaldo Carvalho de Melo <acme@redhat.com>
4 * Licensed under the GPLv2.
15 struct rb_node *strlist__node_new(struct rblist *rblist, const void *entry)
17 const char *s = entry;
18 struct rb_node *rc = NULL;
19 struct strlist *strlist = container_of(rblist, struct strlist, rblist);
20 struct str_node *snode = malloc(sizeof(*snode));
23 if (strlist->dupstr) {
39 static void str_node__delete(struct str_node *snode, bool dupstr)
42 zfree((char **)&snode->s);
47 void strlist__node_delete(struct rblist *rblist, struct rb_node *rb_node)
49 struct strlist *slist = container_of(rblist, struct strlist, rblist);
50 struct str_node *snode = container_of(rb_node, struct str_node, rb_node);
52 str_node__delete(snode, slist->dupstr);
55 static int strlist__node_cmp(struct rb_node *rb_node, const void *entry)
57 const char *str = entry;
58 struct str_node *snode = container_of(rb_node, struct str_node, rb_node);
60 return strcmp(snode->s, str);
63 int strlist__add(struct strlist *slist, const char *new_entry)
65 return rblist__add_node(&slist->rblist, new_entry);
68 int strlist__load(struct strlist *slist, const char *filename)
72 FILE *fp = fopen(filename, "r");
77 while (fgets(entry, sizeof(entry), fp) != NULL) {
78 const size_t len = strlen(entry);
82 entry[len - 1] = '\0';
84 err = strlist__add(slist, entry);
95 void strlist__remove(struct strlist *slist, struct str_node *snode)
97 rblist__remove_node(&slist->rblist, &snode->rb_node);
100 struct str_node *strlist__find(struct strlist *slist, const char *entry)
102 struct str_node *snode = NULL;
103 struct rb_node *rb_node = rblist__find(&slist->rblist, entry);
106 snode = container_of(rb_node, struct str_node, rb_node);
111 static int strlist__parse_list_entry(struct strlist *slist, const char *s,
112 const char *subst_dir)
117 if (strncmp(s, "file://", 7) == 0)
118 return strlist__load(slist, s + 7);
122 if (asprintf(&subst, "%s/%s", subst_dir, s) < 0)
125 if (access(subst, F_OK) == 0) {
126 err = strlist__load(slist, subst);
131 err = strlist__add(slist, s);
137 static int strlist__parse_list(struct strlist *slist, const char *s, const char *subst_dir)
142 while ((sep = strchr(s, ',')) != NULL) {
144 err = strlist__parse_list_entry(slist, s, subst_dir);
151 return *s ? strlist__parse_list_entry(slist, s, subst_dir) : 0;
154 struct strlist *strlist__new(const char *list, const struct strlist_config *config)
156 struct strlist *slist = malloc(sizeof(*slist));
160 const char *dirname = NULL;
163 dupstr = !config->dont_dupstr;
164 dirname = config->dirname;
167 rblist__init(&slist->rblist);
168 slist->rblist.node_cmp = strlist__node_cmp;
169 slist->rblist.node_new = strlist__node_new;
170 slist->rblist.node_delete = strlist__node_delete;
172 slist->dupstr = dupstr;
174 if (list && strlist__parse_list(slist, list, dirname) != 0)
184 void strlist__delete(struct strlist *slist)
187 rblist__delete(&slist->rblist);
190 struct str_node *strlist__entry(const struct strlist *slist, unsigned int idx)
192 struct str_node *snode = NULL;
193 struct rb_node *rb_node;
195 rb_node = rblist__entry(&slist->rblist, idx);
197 snode = container_of(rb_node, struct str_node, rb_node);