From e2c4454f869b42cfa108c758b6c2dbe23490b74f Mon Sep 17 00:00:00 2001
From: Loup Vaillant <loup@loup-vaillant.fr>
Date: Fri, 31 Jul 2020 23:04:16 +0200
Subject: [PATCH] Fixed compiler warning

Fixes #187

Note: w should remain a signed integer, so w-1 is correctly compared in
the FOR_T loop.
---
 src/monocypher.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/monocypher.c b/src/monocypher.c
index dd488e0..f5f93fc 100644
--- a/src/monocypher.c
+++ b/src/monocypher.c
@@ -1843,7 +1843,7 @@ static int slide_step(slide_ctx *ctx, int width, int i, const u8 scalar[32])
                        | (((lsb & 0xF0) != 0) << 2));
             ctx->next_index  = (i16)(i-(w-1)+s);
             ctx->next_digit  = (i8) (v >> s   );
-            ctx->next_check -= w;
+            ctx->next_check -= (u8) w;
         }
     }
     return i == ctx->next_index ? ctx->next_digit: 0;
-- 
2.47.3