X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fovsdb-error.c;h=3b90b1616b3545c6b9e17c43b0d63f50f3006afa;hb=77fdfa9bf71aff101219b249955842f6dc59b5c9;hp=db8019f385225e8df95bdd11a314b9bb6c80ede5;hpb=d98e60075528c3065ad453f7add4b30f22edcde3;p=openvswitch

diff --git a/lib/ovsdb-error.c b/lib/ovsdb-error.c
index db8019f3..3b90b161 100644
--- a/lib/ovsdb-error.c
+++ b/lib/ovsdb-error.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2009, 2010 Nicira Networks
+/* Copyright (c) 2009, 2010, 2011 Nicira Networks
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -114,8 +114,16 @@ ovsdb_wrap_error(struct ovsdb_error *error, const char *details, ...)
     return error;
 }
 
+/* Returns an ovsdb_error that represents an internal error for file name
+ * 'file' and line number 'line', with 'details' (formatted as with printf())
+ * as the associated message.  The caller is responsible for freeing the
+ * returned error.
+ *
+ * If 'inner_error' is nonnull then the returned error is wrapped around
+ * 'inner_error'.  Takes ownership of 'inner_error'.  */
 struct ovsdb_error *
-ovsdb_internal_error(const char *file, int line, const char *details, ...)
+ovsdb_internal_error(struct ovsdb_error *inner_error,
+                     const char *file, int line, const char *details, ...)
 {
     struct ds ds = DS_EMPTY_INITIALIZER;
     struct backtrace backtrace;
@@ -144,6 +152,14 @@ ovsdb_internal_error(const char *file, int line, const char *details, ...)
 
     ds_put_format(&ds, " (%s %s%s)", program_name, VERSION, BUILDNR);
 
+    if (inner_error) {
+        char *s = ovsdb_error_to_string(inner_error);
+        ds_put_format(&ds, " (generated from: %s)", s);
+        free(s);
+
+        ovsdb_error_destroy(inner_error);
+    }
+
     error = ovsdb_error("internal error", "%s", ds_cstr(&ds));
 
     ds_destroy(&ds);
@@ -237,4 +253,3 @@ ovsdb_error_assert(struct ovsdb_error *error)
         ovsdb_error_destroy(error);
     }
 }
-