type_decoder.c: Fix trailing whitespace.

[libsigrokdecode.git] / log.c

diff --git a/log.c b/log.c
index a94bde73439d98ce065ad46bb6a111acfe62ab19..b5402f8bb8e21b81961be9f16b5ef9ebb3623827 100644 (file)
--- a/log.c
+++ b/log.c
@@ -129,6 +129,28 @@ SRD_API int srd_log_callback_set(srd_log_callback cb, void *cb_data)
        return SRD_OK;
 }
 
+/**
+ * Get the libsigrokdecode log callback routine and callback data.
+ *
+ * @param[out] cb Pointer to a function pointer to receive the log callback
+ *     function. Optional, can be NULL.
+ * @param[out] cb_data Pointer to a void pointer to receive the log callback's
+ *     additional arguments. Optional, can be NULL.
+ *
+ * @return SRD_OK upon success.
+ *
+ * @since 0.6.0
+ */
+SRD_API int srd_log_callback_get(srd_log_callback *cb, void **cb_data)
+{
+       if (cb)
+               *cb = srd_log_cb;
+       if (cb_data)
+               *cb_data = srd_log_cb_data;
+
+       return SRD_OK;
+}
+
 /**
  * Set the libsigrokdecode log callback to the default built-in one.
  *
@@ -156,9 +178,7 @@ static int srd_logv(void *cb_data, int loglevel, const char *format,
        /* This specific log callback doesn't need the void pointer data. */
        (void)cb_data;
 
-       /* Only output messages of at least the selected loglevel(s). */
-       if (loglevel > cur_loglevel)
-               return SRD_OK;
+       (void)loglevel;
 
        if (fputs("srd: ", stderr) < 0
                        || g_vfprintf(stderr, format, args) < 0
@@ -176,6 +196,10 @@ SRD_PRIV int srd_log(int loglevel, const char *format, ...)
        int ret;
        va_list args;
 
+       /* Only output messages of at least the selected loglevel(s). */
+       if (loglevel > cur_loglevel)
+               return SRD_OK;
+
        va_start(args, format);
        ret = srd_log_cb(srd_log_cb_data, loglevel, format, args);
        va_end(args);