Error: Introduce error_copy()

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>

2 files changed, 18 insertions, 0 deletions

diff --git a/error.c b/error.c
index 990050f792..d3455ab9e6 100644
--- a/error.c
+++ b/error.c
@@ -43,6 +43,19 @@ void error_set(Error **errp, const char *fmt, ...)
     *errp = err;
 }
 
+Error *error_copy(const Error *err)
+{
+    Error *err_new;
+
+    err_new = g_malloc0(sizeof(*err));
+    err_new->msg = g_strdup(err->msg);
+    err_new->fmt = err->fmt;
+    err_new->obj = err->obj;
+    QINCREF(err_new->obj);
+
+    return err_new;
+}
+
 bool error_is_set(Error **errp)
 {
     return (errp && *errp);
diff --git a/error.h b/error.h
index 6361f407fd..45ff6c1ffe 100644
--- a/error.h
+++ b/error.h
@@ -35,6 +35,11 @@ void error_set(Error **err, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
 bool error_is_set(Error **err);
 
 /**
+ * Returns an exact copy of the error passed as an argument.
+ */
+Error *error_copy(const Error *err);
+
+/**
  * Get a human readable representation of an error object.
  */
 const char *error_get_pretty(Error *err);