output: Added preferred file extension field

[libsigrok.git] / src / output / output.c

diff --git a/src/output/output.c b/src/output/output.c
index 1ddbd61ef683fb6d21f111d3393d78f6f1802324..7eaa489ee8561142f97fabc3aa964526ab47cf8c 100644 (file)
--- a/src/output/output.c
+++ b/src/output/output.c
@@ -135,6 +135,25 @@ SR_API const char *sr_output_description_get(const struct sr_output_module *o)
        return o->desc;
 }
 
+/**
+ * Returns the specified output module's file extensions typical for the file
+ * format, as a NULL terminated array, or returns a NULL pointer if there is
+ * no preferred extension.
+ * @note these are a suggestions only.
+ *
+ * @since 0.4.0
+ */
+SR_API const char *const *sr_output_extensions_get(
+               const struct sr_output_module *o)
+{
+       if (!o) {
+               sr_err("Invalid output module NULL!");
+               return NULL;
+       }
+
+       return o->exts;
+}
+
 /**
  * Return the output module with the specified ID, or NULL if no module
  * with that id is found.