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https://github.com/pezkuwichain/pezkuwi-subxt.git
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Gav
47 lines
1.1 KiB
Rust
47 lines
1.1 KiB
Rust
#![warn(missing_docs)]
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#![cfg_attr(feature = "strict", deny(warnings))]
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#![no_std]
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//! libc externs crate
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extern "C" {
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fn ext_memcpy(dest: *mut u8, src: *const u8, n: usize) -> *mut u8;
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fn ext_memmove(dest: *mut u8, src: *const u8, n: usize) -> *mut u8;
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fn ext_memset(dest: *mut u8, c: i32, n: usize) -> *mut u8;
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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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// Declaring these function here prevents Emscripten from including it's own verisons
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// into final binary.
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/// memcpy extern
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#[no_mangle]
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pub unsafe extern "C" fn memcpy(dest: *mut u8, src: *const u8, n: usize) -> *mut u8 {
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ext_memcpy(dest, src, n)
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}
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/// memmove extern
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#[no_mangle]
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pub unsafe extern "C" fn memmove(dest: *mut u8, src: *const u8, n: usize) -> *mut u8 {
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ext_memmove(dest, src, n)
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}
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/// memset extern
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#[no_mangle]
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pub unsafe extern "C" fn memset(dest: *mut u8, c: i32, n: usize) -> *mut u8 {
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ext_memset(dest, c, n)
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}
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/// malloc extern
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#[no_mangle]
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pub unsafe extern "C" fn malloc(size: usize) -> *mut u8 {
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ext_malloc(size)
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}
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/// free extern
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#[no_mangle]
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pub unsafe extern "C" fn free(ptr: *mut u8) {
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ext_free(ptr);
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}
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