blobcli: exit shell when EOF is encountered

Change-Id: I660c2b37b22b4a60b6ebcd77ade475072a6a05a7
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/398079
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>

examples/blob/cli/blobcli.c

@@ -1296,6 +1296,13 @@ cli_shell(void *arg1, void *arg2)
 	printf("blob> ");
 	bytes_in = getline(&line, &buf_size, stdin);
 
+	/* If getline() failed (EOF), exit the shell. */
+	if (bytes_in < 0) {
+		free(line);
+		cli_context->action = CLI_SHELL_EXIT;
+		return true;
+	}
+
 	/* parse input and update cli_context so we can use common option parser */
 	if (bytes_in > 0) {
 		tok = strtok(line, " ");