+ if (NULL == c_file) {
+ int status;
+
+ status = snprintf (file, sizeof (file), "<fd#%d>", fileno (fh));
+
+ if ((status < 0) || (status >= sizeof (file))) {
+ c_file = "<unknown>";
+ }
+ else {
+ file[sizeof (file) - 1] = '\0';
+ c_file = file;
+ }
+ }
+