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Merge pull request #4411 from wting/4203_rename_memcpy

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Rename memcpy, memmove, memset
This commit is contained in:
Tim Chevalier 2013-01-13 14:58:24 -08:00
commit 26334b64a2
5 changed files with 29 additions and 29 deletions
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4
src/libcore/io.rs
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@ -530,7 +530,7 @@ impl BytesReader: Reader {
let count = uint::min(len, self.bytes.len() - self.pos);
let view = vec::view(self.bytes, self.pos, self.bytes.len());
vec::bytes::memcpy(bytes, view, count);
vec::bytes::copy_memory(bytes, view, count);
self.pos += count;
@ -1007,7 +1007,7 @@ impl BytesWriter: Writer {
{
let view = vec::mut_view(bytes, self.pos, count);
vec::bytes::memcpy(view, v, v_len);
vec::bytes::copy_memory(view, v, v_len);
}
self.pos += v_len;

12
src/libcore/ptr.rs
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@ -122,7 +122,7 @@ pub pure fn is_not_null<T>(ptr: *const T) -> bool { !is_null(ptr) }
* and destination may not overlap.
*/
#[inline(always)]
pub unsafe fn memcpy<T>(dst: *mut T, src: *const T, count: uint) {
pub unsafe fn copy_memory<T>(dst: *mut T, src: *const T, count: uint) {
let n = count * sys::size_of::<T>();
libc_::memcpy(dst as *mut c_void, src as *c_void, n as size_t);
}
@ -134,13 +134,13 @@ pub unsafe fn memcpy<T>(dst: *mut T, src: *const T, count: uint) {
* and destination may overlap.
*/
#[inline(always)]
pub unsafe fn memmove<T>(dst: *mut T, src: *const T, count: uint) {
pub unsafe fn copy_overlapping_memory<T>(dst: *mut T, src: *const T, count: uint) {
let n = count * sys::size_of::<T>();
libc_::memmove(dst as *mut c_void, src as *c_void, n as size_t);
}
#[inline(always)]
pub unsafe fn memset<T>(dst: *mut T, c: int, count: uint) {
pub unsafe fn set_memory<T>(dst: *mut T, c: int, count: uint) {
let n = count * sys::size_of::<T>();
libc_::memset(dst as *mut c_void, c as libc::c_int, n as size_t);
}
@ -326,13 +326,13 @@ pub fn test() {
let mut v0 = ~[32000u16, 32001u16, 32002u16];
let mut v1 = ~[0u16, 0u16, 0u16];
ptr::memcpy(ptr::mut_offset(vec::raw::to_mut_ptr(v1), 1u),
ptr::copy_memory(ptr::mut_offset(vec::raw::to_mut_ptr(v1), 1u),
ptr::offset(vec::raw::to_ptr(v0), 1u), 1u);
assert (v1[0] == 0u16 && v1[1] == 32001u16 && v1[2] == 0u16);
ptr::memcpy(vec::raw::to_mut_ptr(v1),
ptr::copy_memory(vec::raw::to_mut_ptr(v1),
ptr::offset(vec::raw::to_ptr(v0), 2u), 1u);
assert (v1[0] == 32002u16 && v1[1] == 32001u16 && v1[2] == 0u16);
ptr::memcpy(ptr::mut_offset(vec::raw::to_mut_ptr(v1), 2u),
ptr::copy_memory(ptr::mut_offset(vec::raw::to_mut_ptr(v1), 2u),
vec::raw::to_ptr(v0), 1u);
assert (v1[0] == 32002u16 && v1[1] == 32001u16 && v1[2] == 32000u16);
}

8
src/libcore/str.rs
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@ -169,7 +169,7 @@ pub fn push_str_no_overallocate(lhs: &mut ~str, rhs: &str) {
do as_buf(rhs) |rbuf, _rlen| {
let dst = ptr::offset(lbuf, llen);
let dst = ::cast::transmute_mut_unsafe(dst);
ptr::memcpy(dst, rbuf, rlen);
ptr::copy_memory(dst, rbuf, rlen);
}
}
raw::set_len(lhs, llen + rlen);
@ -186,7 +186,7 @@ pub fn push_str(lhs: &mut ~str, rhs: &str) {
do as_buf(rhs) |rbuf, _rlen| {
let dst = ptr::offset(lbuf, llen);
let dst = ::cast::transmute_mut_unsafe(dst);
ptr::memcpy(dst, rbuf, rlen);
ptr::copy_memory(dst, rbuf, rlen);
}
}
raw::set_len(lhs, llen + rlen);
@ -1967,7 +1967,7 @@ pub mod raw {
pub unsafe fn from_buf_len(buf: *const u8, len: uint) -> ~str {
let mut v: ~[u8] = vec::with_capacity(len + 1);
vec::as_mut_buf(v, |vbuf, _len| {
ptr::memcpy(vbuf, buf as *u8, len)
ptr::copy_memory(vbuf, buf as *u8, len)
});
vec::raw::set_len(&mut v, len);
v.push(0u8);
@ -2024,7 +2024,7 @@ pub mod raw {
do vec::as_imm_buf(v) |vbuf, _vlen| {
let vbuf = ::cast::transmute_mut_unsafe(vbuf);
let src = ptr::offset(sbuf, begin);
ptr::memcpy(vbuf, src, end - begin);
ptr::copy_memory(vbuf, src, end - begin);
}
vec::raw::set_len(&mut v, end - begin);
v.push(0u8);

32
src/libcore/vec.rs
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@ -471,7 +471,7 @@ pub fn shift<T>(v: &mut ~[T]) -> T unsafe {
// We still should have room to work where what last element was
assert capacity(v) >= ln;
// Pretend like we have the original length so we can use
// the vector memcpy to overwrite the hole we just made
// the vector copy_memory to overwrite the hole we just made
raw::set_len(v, ln);
// Memcopy the head element (the one we want) to the location we just
@ -479,12 +479,12 @@ pub fn shift<T>(v: &mut ~[T]) -> T unsafe {
// positions
let first_slice = view(*v, 0, 1);
let last_slice = mut_view(*v, next_ln, ln);
raw::memcpy(last_slice, first_slice, 1);
raw::copy_memory(last_slice, first_slice, 1);
// Memcopy everything to the left one element
let init_slice = mut_view(*v, 0, next_ln);
let tail_slice = view(*v, 1, ln);
raw::memcpy(init_slice, tail_slice, next_ln);
raw::copy_memory(init_slice, tail_slice, next_ln);
// Set the new length. Now the vector is back to normal
raw::set_len(v, next_ln);
@ -2075,7 +2075,7 @@ pub mod raw {
pub unsafe fn from_buf_raw<T>(ptr: *T, elts: uint) -> ~[T] {
let mut dst = with_capacity(elts);
set_len(&mut dst, elts);
as_mut_buf(dst, |p_dst, _len_dst| ptr::memcpy(p_dst, ptr, elts));
as_mut_buf(dst, |p_dst, _len_dst| ptr::copy_memory(p_dst, ptr, elts));
dst
}
@ -2085,13 +2085,13 @@ pub mod raw {
* Copies `count` bytes from `src` to `dst`. The source and destination
* may overlap.
*/
pub unsafe fn memcpy<T>(dst: &[mut T], src: &[const T], count: uint) {
pub unsafe fn copy_memory<T>(dst: &[mut T], src: &[const T], count: uint) {
assert dst.len() >= count;
assert src.len() >= count;
do as_mut_buf(dst) |p_dst, _len_dst| {
do as_const_buf(src) |p_src, _len_src| {
ptr::memcpy(p_dst, p_src, count)
ptr::copy_memory(p_dst, p_src, count)
}
}
}
@ -2102,13 +2102,13 @@ pub mod raw {
* Copies `count` bytes from `src` to `dst`. The source and destination
* may overlap.
*/
pub unsafe fn memmove<T>(dst: &[mut T], src: &[const T], count: uint) {
pub unsafe fn copy_overlapping_memory<T>(dst: &[mut T], src: &[const T], count: uint) {
assert dst.len() >= count;
assert src.len() >= count;
do as_mut_buf(dst) |p_dst, _len_dst| {
do as_const_buf(src) |p_src, _len_src| {
ptr::memmove(p_dst, p_src, count)
ptr::copy_overlapping_memory(p_dst, p_src, count)
}
}
}
@ -2167,9 +2167,9 @@ pub mod bytes {
* Copies `count` bytes from `src` to `dst`. The source and destination
* may not overlap.
*/
pub fn memcpy(dst: &[mut u8], src: &[const u8], count: uint) {
// Bound checks are done at vec::raw::memcpy.
unsafe { vec::raw::memcpy(dst, src, count) }
pub fn copy_memory(dst: &[mut u8], src: &[const u8], count: uint) {
// Bound checks are done at vec::raw::copy_memory.
unsafe { vec::raw::copy_memory(dst, src, count) }
}
/**
@ -2178,9 +2178,9 @@ pub mod bytes {
* Copies `count` bytes from `src` to `dst`. The source and destination
* may overlap.
*/
pub fn memmove(dst: &[mut u8], src: &[const u8], count: uint) {
// Bound checks are done at vec::raw::memmove.
unsafe { vec::raw::memmove(dst, src, count) }
pub fn copy_overlapping_memory(dst: &[mut u8], src: &[const u8], count: uint) {
// Bound checks are done at vec::raw::copy_overlapping_memory.
unsafe { vec::raw::copy_overlapping_memory(dst, src, count) }
}
}
@ -3896,10 +3896,10 @@ mod tests {
#[test]
#[should_fail]
#[ignore(cfg(windows))]
fn test_memcpy_oob() unsafe {
fn test_copy_memory_oob() unsafe {
let a = [mut 1, 2, 3, 4];
let b = [1, 2, 3, 4, 5];
raw::memcpy(a, b, 5);
raw::copy_memory(a, b, 5);
}
}

2
src/libstd/net_tcp.rs
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@ -827,7 +827,7 @@ impl TcpSocketBuf: io::Reader {
let mut data = ~[];
self.data.buf <-> data;
vec::bytes::memcpy(buf, vec::view(data, 0, data.len()), count);
vec::bytes::copy_memory(buf, vec::view(data, 0, data.len()), count);
self.data.buf.push_all(vec::view(data, count, data.len()));