(do_stdin): Reflect changes in use of readtoken.

diff --git a/src/factor.c b/src/factor.c
index 305a958ae99ada935800e2911b964ae843178511..9aec7d67650e9e7776316e62f29830710b2eeccd 100644 (file)
--- a/src/factor.c
+++ b/src/factor.c
@@ -175,11 +175,9 @@ do_stdin (void)
 
   for (;;)
     {
-      long int token_length;
-
-      token_length = readtoken (stdin, DELIM, sizeof (DELIM) - 1,
-                               &tokenbuffer);
-      if (token_length < 0)
+      size_t token_length = readtoken (stdin, DELIM, sizeof (DELIM) - 1,
+                                      &tokenbuffer);
+      if (token_length == (size_t) -1)
        break;
       fail |= print_factors (tokenbuffer.buffer);
     }