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-rw-r--r--lib/tevent/tevent_req.c27
1 files changed, 24 insertions, 3 deletions
diff --git a/lib/tevent/tevent_req.c b/lib/tevent/tevent_req.c
index c17587b16c..e243c7de5d 100644
--- a/lib/tevent/tevent_req.c
+++ b/lib/tevent/tevent_req.c
@@ -28,14 +28,17 @@
#include "tevent_util.h"
/**
- * @brief Print an tevent_req structure in debug messages
- * @param[in] mem_ctx The memory context for the result
+ * @brief The default print function for creating debug messages
* @param[in] req The request to be printed
+ * @param[in] mem_ctx The memory context for the result
* @retval Text representation of req
*
+ * The function should not be used by users of the asynx API,
+ * but custom print function can use it and append custom text
+ * to the string.
*/
-char *tevent_req_print(TALLOC_CTX *mem_ctx, struct tevent_req *req)
+char *tevent_req_default_print(struct tevent_req *req, TALLOC_CTX *mem_ctx)
{
return talloc_asprintf(mem_ctx,
"tevent_req[%p/%s]: state[%d] error[%lld (0x%llX)] "
@@ -51,6 +54,24 @@ char *tevent_req_print(TALLOC_CTX *mem_ctx, struct tevent_req *req)
}
/**
+ * @brief Print an tevent_req structure in debug messages
+ * @param[in] mem_ctx The memory context for the result
+ * @param[in] req The request to be printed
+ * @retval Text representation of req
+ *
+ * This function should be used by callers of the async API
+ */
+
+char *tevent_req_print(TALLOC_CTX *mem_ctx, struct tevent_req *req)
+{
+ if (!req->private_print) {
+ return tevent_req_default_print(req, mem_ctx);
+ }
+
+ return req->private_print(req, mem_ctx);
+}
+
+/**
* @brief Create an async request
* @param[in] mem_ctx The memory context for the result
* @param[in] ev The event context this async request will be driven by