ct_lt_mpi_uint: cast the return value explicitely

yanesca · yanesca · commit 67ce647ff078 · 2019-11-04T10:39:20.000Z
The return value is always either one or zero and therefore there is no
risk of losing precision. Some compilers can't deduce this and complain.
diff --git a/library/bignum.c b/library/bignum.c
@@ -1180,7 +1180,7 @@ static unsigned ct_lt_mpi_uint( const mbedtls_mpi_uint x,
 
     ret = ret >> ( biL - 1 );
 
-    return ret;
+    return (unsigned) ret;
 }
 
 /*

Original file line number	Diff line number	Diff line change
`@@ -1180,7 +1180,7 @@ static unsigned ct_lt_mpi_uint( const mbedtls_mpi_uint x,`
`1180`	`1180`
`1181`	`1181`	`ret = ret >> ( biL - 1 );`
`1182`	`1182`
`1183`		`- return ret;`
	`1183`	`+ return (unsigned) ret;`
`1184`	`1184`	`}`
`1185`	`1185`
`1186`	`1186`	`/*`