Rewrite 'keylength < MIN_KEYLENGTH' to avoid -Wtautological-compare

The warning surfaces under earlier Clnag's and GCC's

1 files changed, 2 insertions, 1 deletions

diff --git a/seckey.h b/seckey.h
index bbf1ea7a..e033c8df 100644
--- a/seckey.h
+++ b/seckey.h
@@ -215,7 +215,8 @@ public:
 	// TODO: Figure out how to make this CRYPTOPP_CONSTEXPR

 	static size_t CRYPTOPP_API StaticGetValidKeyLength(size_t keylength)

 	{

-		if (keylength < (size_t)MIN_KEYLENGTH)

+		// Rewrite 'keylength < MIN_KEYLENGTH' to avoid -Wtautological-compare

+		if ((int)keylength - MIN_KEYLENGTH < 0)

 			return MIN_KEYLENGTH;

 		else if (keylength > (size_t)MAX_KEYLENGTH)

 			return (size_t)MAX_KEYLENGTH;