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fix(emscripten) Various warning fixes and cleanups (#266)

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* fix(emscripten) Remove unused imports.

This patch removes unused imports reported by `rustc` as warnings.

* fix(emscripten) Allow unreachable patterns in `_clock_gettime`.

The compiler thinks `CLOCK_MONOTONIC_COARSE` is unreachable, which is
not always the case. Add an attribute to allow unreachable patterns to
remove the warning.

* fix(emscripten) Rename unused variables.

This patch renames various unused variables by appending an underscore
to them.

* fix(emscripten) Declare `table` as immutable.

The `table` variable in `EmscriptenGlobals::new` was declared as
mutable, but it's never mutated.

* fix(emscripten) Remove an unnecessary `unsafe` block.

* fix(emscripten) Remove duplicate definition of `SO_NOSIGPIPE`.

The `SO_NOSIGPIPE` constant is defined in `syscalls/mod.rs` and
`syscalls/unix.rs`. It's never used in the first case. We can safely
remove it in this file, and keep it in `unix.rs`.

* fix(emscripten) `read_string_from_wasm` is used only on Windows.

Mark `read_string_from_wasm` as possible deadcode, since it's used
only on Windows.

* fix(emscripten) Remove `DYNAMICTOP_PTR_DIFF`, `stacktop`, `stack_max`,
`dynamic_base` and `dynamic_ptr`.

Four functions and one constant are used together but never used
inside or outside this file. They are deadcode.

* fix(emscripten) Remove `infinity` and `nan` fields of `EmscriptenGlobalsData`.

Those fields are never used.

* fix(emscripten) Allow non snake case in `emscripten_target.rs`.

Many functions in this file don't follow the snake case style for Rust
function names. The reason is that we want the names to match the
emscripten symbol names; even if a mapping is done in `lib.rs`, it's
easier to get the same names.

* fix(emscripten) Rename `STATIC_TOP` to `static_top`.

This variable is not a constant.
This commit is contained in:
Ivan Enderlin
2019-03-12 22:00:33 +01:00
committed by Mackenzie Clark
parent ef69f6151c
commit 20d1023abe
15 changed files with 177 additions and 210 deletions
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12
lib/emscripten/src/time.rs
View File

@ -75,8 +75,10 @@ pub fn _clock_gettime(ctx: &mut Ctx, clk_id: clockid_t, tp: c_int) -> c_int {
tv_nsec: i32,
}
#[allow(unreachable_patterns)]
let timespec = match clk_id {
CLOCK_REALTIME => time::get_time(),
CLOCK_MONOTONIC | CLOCK_MONOTONIC_COARSE => {
let precise_ns = time::precise_time_ns();
time::Timespec::new(
@ -296,14 +298,14 @@ pub fn _time(ctx: &mut Ctx, time_p: u32) -> i32 {
/// emscripten: _strftime
pub fn _strftime(
_ctx: &mut Ctx,
s_ptr: c_int,
maxsize: u32,
format_ptr: c_int,
tm_ptr: c_int,
_s_ptr: c_int,
_maxsize: u32,
_format_ptr: c_int,
_tm_ptr: c_int,
) -> i32 {
debug!(
"emscripten::_strftime {} {} {} {}",
s_ptr, maxsize, format_ptr, tm_ptr
_s_ptr, _maxsize, _format_ptr, _tm_ptr
);
0
}