+static double parse_leasetime(struct blob_attr *c) {
+ char *val = blobmsg_get_string(c), *endptr = NULL;
+ double time = strcmp(val, "infinite") ? strtod(val, &endptr) : UINT32_MAX;
+
+ if (time && endptr && endptr[0]) {
+ if (endptr[0] == 's')
+ time *= 1;
+ else if (endptr[0] == 'm')
+ time *= 60;
+ else if (endptr[0] == 'h')
+ time *= 3600;
+ else if (endptr[0] == 'd')
+ time *= 24 * 3600;
+ else if (endptr[0] == 'w')
+ time *= 7 * 24 * 3600;
+ else
+ goto err;
+ }
+
+ if (time >= 60)
+ return time;
+
+ return 0;
+
+err:
+ return -1;
+}