Example code: Don't create rs_error on failing context creation.

[libradsec.git] / lib / examples / client-blocking.c

diff --git a/lib/examples/client-blocking.c b/lib/examples/client-blocking.c
index 2cfd617..7ba71a0 100644 (file)
--- a/lib/examples/client-blocking.c
+++ b/lib/examples/client-blocking.c
@@ -4,10 +4,12 @@
 #include <string.h>
 #include <unistd.h>
 #include <stdlib.h>
+#include <assert.h>
 #include <event2/event.h>
 #include <radsec/radsec.h>
 #include <radsec/radsec-impl.h>
 #include <radsec/request.h>
+#include "err.h"
 #include "debug.h"             /* For rs_dump_packet().  */
 
 #define SECRET "sikrit"
@@ -15,16 +17,22 @@
 #define USER_PW "password"
 
 struct rs_error *
-blocking_client (const char *av1, const char *av2, int use_request_object_flag)
+blocking_client (const char *config_fn, const char *configuration,
+                 int use_request_object_flag)
 {
   struct rs_context *h = NULL;
   struct rs_connection *conn = NULL;
   struct rs_request *request = NULL;
   struct rs_packet *req = NULL, *resp = NULL;
   struct rs_error *err = NULL;
+  int r;
 
-  if (rs_context_create (&h))
-    return NULL;
+  r = rs_context_create (&h);
+  if (r)
+    {
+      assert(r == RSE_NOMEM);
+      assert (!"out of RAM -- unable to create libradsec context");
+    }
 
 #if !defined (USE_CONFIG_FILE)
   {
@@ -43,9 +51,9 @@ blocking_client (const char *av1, const char *av2, int use_request_object_flag)
       goto cleanup;
   }
 #else  /* defined (USE_CONFIG_FILE) */
-  if (rs_context_read_config (h, av1))
+  if (rs_context_read_config (h, config_fn))
     goto cleanup;
-  if (rs_conn_create (h, &conn, av2))
+  if (rs_conn_create (h, &conn, configuration))
     goto cleanup;
 #endif /* defined (USE_CONFIG_FILE) */
 
@@ -93,6 +101,13 @@ blocking_client (const char *av1, const char *av2, int use_request_object_flag)
   return err;
 }
 
+void
+usage (int argc, char *argv[])
+{
+  fprintf (stderr, "usage: %s: [-r] config-file config-name\n", argv[0]);
+  exit (1);
+}
+
 int
 main (int argc, char *argv[])
 {
@@ -105,6 +120,8 @@ main (int argc, char *argv[])
       argc--;
       argv++;
     }
+  if (argc < 3)
+    usage (argc, argv);
   err = blocking_client (argv[1], argv[2], use_request_object_flag);
   if (err)
     {