From d8c80cd277b2f6b3e7955e95d7845f83b89838c6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20Lid=C3=A9n=20Borell?= <samuel@kodafritt.se>
Date: Sat, 15 Feb 2014 22:10:43 +0000
Subject: [PATCH] Fix undefined behaviour in left shift

This is not a problem with a usual compiler configuration, but LLVM/clang
detects it when compiled with:

-fsanitize=undefined-trap -fsanitize-undefined-trap-on-error -ftrapv
---
 plugins/fishlim/fish.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/fishlim/fish.c b/plugins/fishlim/fish.c
index 1d2d1ce7..93420f23 100644
--- a/plugins/fishlim/fish.c
+++ b/plugins/fishlim/fish.c
@@ -136,7 +136,7 @@ char *fish_decrypt(const char *key, size_t keylen, const char *data) {
         for (i = 0; i < 12; i++) {
             d = fish_unbase64[(const unsigned char)*(data++)];
             if (d == IB) goto decrypt_end;
-            binary[word] |= d << bit;
+            binary[word] |= (unsigned long)d << bit;
             bit += 6;
             if (i == 5) {
                 bit = 0;