- if (val == NULL) /* && (sel != NULL) */
- return (0);
-
- if (strcmp (sel, val) == 0)
- return (1);
-
- return (0);
-} /* }}} _Bool part_matches */
-
-static _Bool file_matches (const graph_ident_t *sel, /* {{{ */
- const graph_ident_t *val)
-{
- if ((sel == NULL) && (val == NULL))
- return (0);
- else if (sel == NULL)
- return (-1);
- else if (val == NULL)
- return (1);
-
- if (!part_matches (sel->host, val->host))
- return (0);
-
- if (!part_matches (sel->plugin, val->plugin))
- return (0);
-
- if (!part_matches (sel->plugin_instance, val->plugin_instance))
- return (0);
-
- if (!part_matches (sel->type, val->type))
- return (0);
-
- if (!part_matches (sel->type_instance, val->type_instance))
- return (0);
-
- return (1);
-} /* }}} _Bool ident_compare */
-
-/*
- * Copy part of an identifier. If the "template" value is ANY_TOKEN, "value" is
- * copied and returned. This function is used when creating graph_instance_t
- * from graph_config_t.
- */
-static char *identifier_copy_part (const char *template, const char *value) /* {{{ */
-{
- if (template == NULL)
- {
- return (NULL);
- }
- else if (strcasecmp (ANY_TOKEN, template) == 0)
- {
- /* ANY in the graph selection => concrete value in the instance. */
- if (value == NULL)
- return (NULL);
- else
- return (strdup (value));
- }
- else if (strcasecmp (ALL_TOKEN, template) == 0)
- {
- /* ALL in the graph selection => ALL in the instance. */
- return (strdup (ALL_TOKEN));
- }
- else
- {
- assert (value != NULL);
- assert (strcmp (template, value) == 0);
- return (strdup (template));
- }
-} /* }}} int identifier_copy_part */
-
-static graph_instance_t *instance_create (graph_config_t *cfg, /* {{{ */
- const graph_ident_t *file)
-{
- graph_instance_t *i;
-
- if ((cfg == NULL) || (file == NULL))
- return (NULL);
-
- i = malloc (sizeof (*i));
- if (i == NULL)
- return (NULL);
- memset (i, 0, sizeof (*i));
-
- i->select.host = identifier_copy_part (cfg->select.host, file->host);
- i->select.plugin = identifier_copy_part (cfg->select.plugin, file->plugin);
- i->select.plugin_instance = identifier_copy_part (cfg->select.plugin_instance,
- file->plugin_instance);
- i->select.type = identifier_copy_part (cfg->select.type, file->type);
- i->select.type_instance = identifier_copy_part (cfg->select.type_instance,
- file->type_instance);
-
- i->files = NULL;
- i->files_num = 0;
-
- i->next = NULL;
-
- if (cfg->instances == NULL)
- cfg->instances = i;
- else
- {
- graph_instance_t *last;
-
- last = cfg->instances;
- while (last->next != NULL)
- last = last->next;
-
- last->next = i;
- }
-
- return (i);
-} /* }}} graph_instance_t *instance_create */
-
-static int instance_add_file (graph_instance_t *inst, /* {{{ */
- const graph_ident_t *file)
-{
- graph_ident_t *tmp;
-
- tmp = realloc (inst->files, sizeof (*inst->files) * (inst->files_num + 1));
- if (tmp == NULL)
- return (ENOMEM);
- inst->files = tmp;
- tmp = inst->files + inst->files_num;
-
- memset (tmp, 0, sizeof (*tmp));
- tmp->host = strdup (file->host);
- tmp->plugin = strdup (file->plugin);
- if (file->plugin_instance != NULL)
- tmp->plugin_instance = strdup (file->plugin_instance);
- else
- tmp->plugin_instance = NULL;
- tmp->type = strdup (file->type);
- if (file->type_instance != NULL)
- tmp->type_instance = strdup (file->type_instance);
- else
- tmp->type_instance = NULL;
-
- inst->files_num++;
-
- return (0);
-} /* }}} int instance_add_file */
-
-static graph_instance_t *graph_find_instance (graph_config_t *cfg, /* {{{ */
- const graph_ident_t *file)
-{
- graph_instance_t *i;
-
- if ((cfg == NULL) || (file == NULL))
- return (NULL);
-
- for (i = cfg->instances; i != NULL; i = i->next)
- if (file_matches (&i->select, file))
- return (i);
-
- return (NULL);
-} /* }}} graph_instance_t *graph_find_instance */
-
-static int graph_add_file (graph_config_t *cfg, const graph_ident_t *file) /* {{{ */
-{
- graph_instance_t *inst;
-
- inst = graph_find_instance (cfg, file);
- if (inst == NULL)
- {
- inst = instance_create (cfg, file);
- if (inst == NULL)
- return (ENOMEM);
- }
-
- return (instance_add_file (inst, file));
-} /* }}} int graph_add_file */
-
-static int graph_append (graph_config_t *cfg) /* {{{ */
-{
- graph_config_t *last;