Sha256: 15bb793e8f9924369ee78ed80e22150c5da40ee74aa4245126b2550a8643b4aa
Contents?: true
Size: 1.35 KB
Versions: 15
Compression:
Stored size: 1.35 KB
Contents
use std::alloc::{alloc, dealloc, Layout};
use std::os::raw::{c_int, c_void};
#[no_mangle]
pub extern "C" fn rust_zstd_wasm_shim_malloc(size: usize) -> *mut c_void {
unsafe {
let layout = Layout::from_size_align_unchecked(size, 1);
alloc(layout).cast()
}
}
#[no_mangle]
pub extern "C" fn rust_zstd_wasm_shim_calloc(
nmemb: usize,
size: usize,
) -> *mut c_void {
unsafe {
let layout = Layout::from_size_align_unchecked(size * nmemb, 1);
alloc(layout).cast()
}
}
#[no_mangle]
pub unsafe extern "C" fn rust_zstd_wasm_shim_free(ptr: *mut c_void) {
// layout is not actually used
let layout = Layout::from_size_align_unchecked(1, 1);
dealloc(ptr.cast(), layout);
}
#[no_mangle]
pub unsafe extern "C" fn rust_zstd_wasm_shim_memcpy(
dest: *mut c_void,
src: *const c_void,
n: usize,
) -> *mut c_void {
std::ptr::copy_nonoverlapping(src as *const u8, dest as *mut u8, n);
dest
}
#[no_mangle]
pub unsafe extern "C" fn rust_zstd_wasm_shim_memmove(
dest: *mut c_void,
src: *const c_void,
n: usize,
) -> *mut c_void {
std::ptr::copy(src as *const u8, dest as *mut u8, n);
dest
}
#[no_mangle]
pub unsafe extern "C" fn rust_zstd_wasm_shim_memset(
dest: *mut c_void,
c: c_int,
n: usize,
) -> *mut c_void {
std::ptr::write_bytes(dest as *mut u8, c as u8, n);
dest
}
Version data entries
15 entries across 15 versions & 1 rubygems