Make sure meshlink_strerror() always returns a valid pointer to a string.

[meshlink] / src / meshlink.h

diff --git a/src/meshlink.h b/src/meshlink.h
index 39f278d22a08d9e21cc47df244978480cd41fa2d..7fd71fe8ea9676e1e5d84e800b6ee43bff878dfa 100644 (file)
--- a/src/meshlink.h
+++ b/src/meshlink.h
@@ -72,6 +72,7 @@ struct meshlink_channel {
  *  @param err      An error code returned by MeshLink.
  *
  *  @return         A pointer to a string containing the description of the error code.
+ *                  This function will always return a valid pointer, even if an invalid error code has been passed.
  */
 extern const char *meshlink_strerror(meshlink_errno_t err);