wc: fix a possible hang with --files0-from

* src/wc.c (main): exit when we get a read error on
the --files0-from file, rather than retrying and
spinning the CPU

diff --git a/src/wc.c b/src/wc.c
index a1922ba..ae29f10 100644 (file)
--- a/src/wc.c
+++ b/src/wc.c
@@ -726,8 +726,8 @@ main (int argc, char **argv)
           switch (ai_err)
             {
             case AI_ERR_READ:
-              error (0, errno, _("%s: read error"), quote (files_from));
-              skip_file = true;
+              error (EXIT_FAILURE, errno, _("%s: read error"),
+                     quote (files_from));
               continue;
             case AI_ERR_MEM:
               xalloc_die ();