Commit b05baa6a authored by Yong Bakos's avatar Yong Bakos Committed by Daniel Stone

util: Document wl_log_func_t

Add a doxygen comment for wl_log_func_t.
Signed-off-by: default avatarYong Bakos <>
Reviewed-by: Daniel Stone's avatarDaniel Stone <>
parent 84776648
......@@ -682,6 +682,30 @@ typedef int (*wl_dispatcher_func_t)(const void *, void *, uint32_t,
const struct wl_message *,
union wl_argument *);
* Log function type alias
* The C implementation of the Wayland protocol abstracts the details of
* logging. Users may customize the logging behavior, with a function conforming
* to the `wl_log_func_t` type, via `wl_log_set_handler_client` and
* `wl_log_set_handler_server`.
* A `wl_log_func_t` must conform to the expectations of `vprintf`, and
* expects two arguments: a string to write and a corresponding variable
* argument list. While the string to write may contain format specifiers and
* use values in the variable argument list, the behavior of any `wl_log_func_t`
* depends on the implementation.
* \note Take care to not confuse this with `wl_protocol_logger_func_t`, which
* is a specific server-side logger for requests and events.
* \param "const char *" String to write to the log, containing optional format
* specifiers
* \param "va_list" Variable argument list
* \sa wl_log_set_handler_client
* \sa wl_log_set_handler_server
typedef void (*wl_log_func_t)(const char *, va_list) WL_PRINTF(1, 0);
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