[PATCH 1/2] nbd-client: Fix use without -N

[Eric Blake <eblake@redhat.com>]

The refactoring in commit 17043b068 causes nbd-client without -N to
segfault, instead of using the desired default export.

Signed-off-by: Eric Blake <eblake@redhat.com>
---
 .gitignore   | 1 +
 nbd-client.c | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 048c6fd0..94752d22 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,6 +18,7 @@ manpage.links
 mkinstalldirs
 nbd-tester-client
 nbd-client
+nbd-get-status
 nbd-server
 nbd-trplay
 doc/doxygen-output
diff --git a/nbd-client.c b/nbd-client.c
index 06d1440f..e9a42009 100644
--- a/nbd-client.c
+++ b/nbd-client.c
@@ -1182,7 +1182,9 @@ int main(int argc, char *argv[]) {
 		exit(EXIT_FAILURE);
 	}

-	if((!cur_client->name || strlen(cur_client->name)==0) && !(opts & NBDC_DO_LIST)) {
+	if(!cur_client->name)
+		cur_client->name = "";
+	if((strlen(cur_client->name)==0) && !(opts & NBDC_DO_LIST)) {
 		printf("Warning: the oldstyle protocol is no longer supported.\nThis method now uses the newstyle protocol with a default export\n");
 	}

-- 
2.47.0