Give an accurate diagnostic when `head --bytes=30M' fails.

(string_to_integer): Check explicitly for overflow,
and lump everything else together as `invalid'.

1 files changed, 8 insertions, 8 deletions

diff --git a/src/head.c b/src/head.c
index a71a83d03..634389771 100644
--- a/src/head.c
+++ b/src/head.c
@@ -225,19 +225,19 @@ string_to_integer (int count_lines, const char *n_string)
 
   s_err = xstrtoumax (n_string, NULL, 10, &n, "bkm");
 
-  if (s_err == LONGINT_INVALID)
+  if (s_err == LONGINT_OVERFLOW)
     {
-      error (EXIT_FAILURE, 0, "%s: %s", n_string,
-	     (count_lines
-	      ? _("invalid number of lines")
-	      : _("invalid number of bytes")));
+      error (EXIT_FAILURE, 0,
+	     _("%s: %s is so large that it is not representable"), n_string,
+	     count_lines ? _("number of lines") : _("number of bytes"));
     }
 
   if (s_err != LONGINT_OK)
     {
-      error (EXIT_FAILURE, 0,
-	     _("%s: %s is so large that it is not representable"), n_string,
-	     count_lines ? _("number of lines") : _("number of bytes"));
+      error (EXIT_FAILURE, 0, "%s: %s", n_string,
+	     (count_lines
+	      ? _("invalid number of lines")
+	      : _("invalid number of bytes")));
     }
 
   return n;