mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-26 16:57:58 +00:00
Gavin Wood
76 lines
2.0 KiB
Rust
Executable File
76 lines
2.0 KiB
Rust
Executable File
// Copyright 2017-2019 Parity Technologies (UK) Ltd.
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// This file is part of Substrate.
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// Substrate is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Substrate is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Substrate. If not, see <http://www.gnu.org/licenses/>.
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#[cfg(feature = "nightly")]
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#[doc(hidden)]
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pub extern crate alloc;
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extern "C" {
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fn ext_malloc(size: usize) -> *mut u8;
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fn ext_free(ptr: *mut u8);
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}
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/// Wasm allocator
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pub struct WasmAllocator;
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#[cfg(not(feature = "no_global_allocator"))]
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#[global_allocator]
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static ALLOCATOR: WasmAllocator = WasmAllocator;
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mod __impl {
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use core::alloc::{GlobalAlloc, Layout};
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use super::WasmAllocator;
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unsafe impl GlobalAlloc for WasmAllocator {
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unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
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super::ext_malloc(layout.size()) as *mut u8
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}
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unsafe fn dealloc(&self, ptr: *mut u8, _layout: Layout) {
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super::ext_free(ptr as *mut u8)
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}
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}
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}
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pub use alloc::boxed;
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pub use alloc::rc;
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pub use alloc::vec;
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pub use core::borrow;
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pub use core::cell;
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pub use core::clone;
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pub use core::cmp;
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pub use core::hash;
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pub use core::intrinsics;
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pub use core::iter;
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pub use core::marker;
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pub use core::mem;
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pub use core::num;
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pub use core::ops;
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pub use core::ptr;
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pub use core::slice;
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pub use core::default;
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pub use core::result;
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pub use core::convert;
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// We are trying to avoid certain things here, such as `core::string`
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// (if you need `String` you most probably doing something wrong, since
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// runtime doesn't require anything human readable).
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pub mod collections {
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pub use alloc::collections::btree_map;
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pub use alloc::collections::btree_set;
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}
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