From 601bc22ae18838ff56b64c15b365bcf7f93006be Mon Sep 17 00:00:00 2001 From: Robin Krahl Date: Wed, 23 Jan 2019 02:44:20 +0000 Subject: Prefer into() over numeric casting Numeric casting might truncate an integer, while into() is only implemented for numeric types if the cast is possible without truncation. --- CHANGELOG.md | 1 + TODO.md | 1 - src/util.rs | 3 +-- 3 files changed, 2 insertions(+), 3 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 1e962e0..5466620 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -17,6 +17,7 @@ - Remove the `CommandError::Undefined` variant. - Add a private `PhantomData` field to `Pro` and `Storage` to make direct instantiation impossible. +- Prefer using the `Into` trait over numeric casting. # v0.3.4 (2019-01-20) - Fix authentication methods that assumed that `char` is signed. diff --git a/TODO.md b/TODO.md index 8f4e348..0467f1d 100644 --- a/TODO.md +++ b/TODO.md @@ -8,7 +8,6 @@ - Fix timing issues with the `totp_no_pin` and `totp_pin` test cases. - Clear passwords from memory. - Find a nicer syntax for the `write_config` test. -- Check integer conversions. - Consider implementing `Into` for `(Device, CommandError)` - Lock password safe in `PasswordSafe::drop()` (see [nitrokey-storage-firmware issue 65][]). diff --git a/src/util.rs b/src/util.rs index 79b8c34..2542a7b 100644 --- a/src/util.rs +++ b/src/util.rs @@ -59,8 +59,7 @@ pub fn get_command_result(value: c_int) -> Result<(), Error> { } pub fn get_last_result() -> Result<(), Error> { - let value = unsafe { nitrokey_sys::NK_get_last_command_status() } as c_int; - get_command_result(value) + get_command_result(unsafe { nitrokey_sys::NK_get_last_command_status() }.into()) } pub fn get_last_error() -> Error { -- cgit v1.2.3