(main): When argc == 1, don't try to xmalloc (0).

diff --git a/src/pr.c b/src/pr.c
index 7208f11f219b0e7d36068d0da251d0cd96e57094..3451fa38b634d248305d0358670c5268382540f1 100644 (file)
--- a/src/pr.c
+++ b/src/pr.c
@@ -469,7 +469,9 @@ main (argc, argv)
   program_name = argv[0];
 
   n_files = 0;
-  file_names = (char **) xmalloc ((argc - 1) * sizeof (char *));
+  file_names = (argc > 1
+               ? (char **) xmalloc ((argc - 1) * sizeof (char *))
+               : NULL);
 
   while (1)
     {