[Libguestfs] [nbdkit PATCH 1/3] main: Avoid fprintf(%m) for BSD builds

printf %m is a glibc extension; using it directly can cause odd output on BSD. Most of our uses of %m are via nbdkit wrappers, which will be fixed in a future patch; this was the only %m I could find in a direct call to the printf family, so it doesn't hurt to just open-code it. This particular error is reached early enough in the process that nbdkit_error() is not a viable substitute. Signed-off-by: Eric Blake <eblake(a)redhat.com&gt; --- src/main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/main.c b/src/main.c index e80333a..fd6e30e 100644 --- a/src/main.c +++ b/src/main.c @@ -1204,8 +1204,8 @@ get_socket_activation (void) * and we should exit. */ fprintf (stderr, "%s: socket activation: " - "invalid file descriptor fd = %d: %m\n", - program_name, fd); + "invalid file descriptor fd = %d: %s\n", + program_name, fd, strerror(errno)); exit (EXIT_FAILURE); } } -- 2.17.2