err/err.c: add err_clear_last_constant_time.

[openssl.git] / include / internal / constant_time_locl.h

diff --git a/include/internal/constant_time_locl.h b/include/internal/constant_time_locl.h
index 82ff74652ecca58f74c11c6754b52a176cf530b7..cde30f4067ef19c17627fc89a3803db8996b1d5a 100644 (file)
--- a/include/internal/constant_time_locl.h
+++ b/include/internal/constant_time_locl.h
@@ -324,4 +324,10 @@ static ossl_inline void constant_time_lookup(void *out,
     }
 }
 
+/*
+ * Expected usage pattern is to unconditionally set error and then
+ * wipe it if there was no actual error. |clear| is 1 or 0.
+ */
+void err_clear_last_constant_time(int clear);
+
 #endif                          /* HEADER_CONSTANT_TIME_LOCL_H */