lib: uni_utf8_get_valid_data() - Add ATTR_WARN_UNUSED_RESULT

Ignoring the return value most likely leads to buggy code, so make sure it's
checked.

diff --git a/src/lib/unichar.h b/src/lib/unichar.h
index f263b6fa81b0d9ec52405b9d966fea1de3ece98c..bdeaeffa0de60777dfe383945f9b4ed8207285cc 100644 (file)
--- a/src/lib/unichar.h
+++ b/src/lib/unichar.h
@@ -109,7 +109,7 @@ int uni_utf8_to_decomposed_titlecase(const void *input, size_t size,
    buf. If input contains invalid UTF-8 characters, replace them with unicode
    replacement character (0xfffd), write the output to buf and return FALSE. */
 bool uni_utf8_get_valid_data(const unsigned char *input, size_t size,
-                            buffer_t *buf);
+                            buffer_t *buf) ATTR_WARN_UNUSED_RESULT;
 /* Returns TRUE if string is valid UTF-8 input. */
 bool uni_utf8_str_is_valid(const char *str);
 /* Returns TRUE if data contains only valid UTF-8 input. */