-/* extract possible {attr} and move str behind it */
-static char *get_format_attribute(struct udev *udev, char **str)
-{
- char *pos;
- char *attr = NULL;
-
- if (*str[0] == '{') {
- pos = strchr(*str, '}');
- if (pos == NULL) {
- err(udev, "missing closing brace for format\n");
- return NULL;
- }
- pos[0] = '\0';
- attr = *str+1;
- *str = pos+1;
- dbg(udev, "attribute='%s', str='%s'\n", attr, *str);
- }
- return attr;
-}
-
-/* extract possible format length and move str behind it*/
-static int get_format_len(struct udev *udev, char **str)
-{
- int num;
- char *tail;
-
- if (isdigit(*str[0])) {
- num = (int) strtoul(*str, &tail, 10);
- if (num > 0) {
- *str = tail;
- dbg(udev, "format length=%i\n", num);
- return num;
- } else {
- err(udev, "format parsing error '%s'\n", *str);
- }
- }
- return -1;
-}
-
-/* handle "[<SUBSYSTEM>/<KERNEL>]<attribute>" format */
-int udev_event_apply_subsys_kernel(struct udev_event *udev_event, const char *string,
- char *result, size_t maxsize, int read_value)
-{
- char temp[UTIL_PATH_SIZE];
- char *subsys;
- char *sysname;
- char *attr;
- struct udev_device *dev;
-
- if (string == NULL)
- string = result;
- if (string[0] != '[')
- return -1;
-
- util_strlcpy(temp, string, sizeof(temp));
-
- subsys = &temp[1];
-
- sysname = strchr(subsys, '/');
- if (sysname == NULL)
- return -1;
- sysname[0] = '\0';
- sysname = &sysname[1];
-
- attr = strchr(sysname, ']');
- if (attr == NULL)
- return -1;
- attr[0] = '\0';
- attr = &attr[1];
- if (attr[0] == '/')
- attr = &attr[1];
- if (attr[0] == '\0')
- attr = NULL;
-
- if (read_value && attr == NULL)
- return -1;
-
- dev = udev_device_new_from_subsystem_sysname(udev_event->udev, subsys, sysname);
- if (dev == NULL)
- return -1;
-
- if (read_value) {
- const char *val;
-
- val = udev_device_get_attr_value(dev, attr);
- if (val != NULL)
- util_strlcpy(result, val, maxsize);
- else
- result[0] = '\0';
- info(udev_event->udev, "value '[%s/%s]%s' is '%s'\n", subsys, sysname, attr, result);
- } else {
- util_strlcpy(result, udev_device_get_syspath(dev), maxsize);
- if (attr != NULL) {
- util_strlcat(result, "/", maxsize);
- util_strlcat(result, attr, maxsize);
- }
- info(udev_event->udev, "path '[%s/%s]%s' is '%s'\n", subsys, sysname, attr, result);
- }
- udev_device_unref(dev);
- return 0;
-}
-
-void udev_event_apply_format(struct udev_event *event, char *string, size_t maxsize)