Print an error message when calls to exec* functions fail

Patch proposed by Ian Jackson <ian@chiark.greenend.co.uk> on
<http://bugs.debian.org/190387>.

Signed-off-by: Michael Schutte <michi@uiae.at>
Signed-off-by: Alexey Gladkov <legion@altlinux.org>

diff --git a/src/openvt.c b/src/openvt.c
index f7eced2..0d23d96 100644 (file)
--- a/src/openvt.c
+++ b/src/openvt.c
@@ -292,6 +292,7 @@ got_vtno:
          execlp(cmd, def_cmd, NULL);
       else
         execvp(cmd, &argv[optind]);
+      perror("openvt: exec failed");
       _exit(127);              /* exec failed */
    }