-#define copy_var(a, b, var) \
- if (b->var) \
- a->var = b->var;
-
-#define copy_string(a, b, var) \
- if (strlen(b->var)) \
- strcpy(a->var, b->var);
-
-int add_perm_dev(struct perm_device *new_dev)
-{
- struct perm_device *dev;
- struct perm_device *tmp_dev;
-
- /* update the values if we already have the device */
- list_for_each_entry(dev, &perm_device_list, node) {
- if (strcmp(new_dev->name, dev->name))
- continue;
- copy_var(dev, new_dev, mode);
- copy_string(dev, new_dev, owner);
- copy_string(dev, new_dev, group);
- return 0;
- }
-
- /* not found, add new structure to the perm list */
- tmp_dev = malloc(sizeof(*tmp_dev));
- if (!tmp_dev)
- return -ENOMEM;
- memcpy(tmp_dev, new_dev, sizeof(*tmp_dev));
- list_add_tail(&tmp_dev->node, &perm_device_list);
- //dump_perm_dev(tmp_dev);
- return 0;
-}
-
-static struct perm_device *find_perm(char *name)
-{
- struct perm_device *perm;
-
- list_for_each_entry(perm, &perm_device_list, node) {
- if (strcmp_pattern(perm->name, name))
- continue;
- return perm;
- }
- return NULL;
-}
-
-static mode_t get_default_mode(void)
-{
- mode_t mode = 0600; /* default to owner rw only */
-
- if (strlen(default_mode_str) != 0)
- mode = strtol(default_mode_str, NULL, 8);
-
- return mode;
-}
-
-static char *get_default_owner(void)
-{
- if (strlen(default_owner_str) == 0)
- strfieldcpy(default_owner_str, "root");
-
- return default_owner_str;
-}
-
-static char *get_default_group(void)
-{
- if (strlen(default_group_str) == 0)
- strfieldcpy(default_group_str, "root");
-
- return default_group_str;
-}
-