[PATCH v6 01/11] qapi/error: add (Error **errp) cleaning APIs

[Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>]

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---

CC: Cornelia Huck <cohuck@redhat.com>
CC: Eric Blake <eblake@redhat.com>
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 include/qapi/error.h | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/include/qapi/error.h b/include/qapi/error.h
index ad5b6e896d..fa8d51fd6d 100644
--- a/include/qapi/error.h
+++ b/include/qapi/error.h
@@ -309,6 +309,32 @@ void warn_reportf_err(Error *err, const char *fmt, ...)
 void error_reportf_err(Error *err, const char *fmt, ...)
     GCC_FMT_ATTR(2, 3);
 
+/*
+ * Functions to clean Error **errp: call corresponding Error *err cleaning
+ * function an set pointer to NULL
+ */
+static inline void error_free_errp(Error **errp)
+{
+    assert(errp && *errp);
+    error_free(*errp);
+    *errp = NULL;
+}
+
+static inline void error_report_errp(Error **errp)
+{
+    assert(errp && *errp);
+    error_report_err(*errp);
+    *errp = NULL;
+}
+
+static inline void warn_report_errp(Error **errp)
+{
+    assert(errp && *errp);
+    warn_report_err(*errp);
+    *errp = NULL;
+}
+
+
 /*
  * Just like error_setg(), except you get to specify the error class.
  * Note: use of error classes other than ERROR_CLASS_GENERIC_ERROR is
-- 
2.21.0