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Run rustfmt on liballoc_jemalloc. #28988

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Oct 14, 2015
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33 changes: 22 additions & 11 deletions src/liballoc_jemalloc/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -43,8 +43,7 @@ use libc::{c_int, c_void, size_t};
extern {
fn je_mallocx(size: size_t, flags: c_int) -> *mut c_void;
fn je_rallocx(ptr: *mut c_void, size: size_t, flags: c_int) -> *mut c_void;
fn je_xallocx(ptr: *mut c_void, size: size_t, extra: size_t,
flags: c_int) -> size_t;
fn je_xallocx(ptr: *mut c_void, size: size_t, extra: size_t, flags: c_int) -> size_t;
fn je_sdallocx(ptr: *mut c_void, size: size_t, flags: c_int);
fn je_nallocx(size: size_t, flags: c_int) -> size_t;
}
Expand All @@ -63,40 +62,52 @@ const MIN_ALIGN: usize = 8;
const MIN_ALIGN: usize = 16;

// MALLOCX_ALIGN(a) macro
fn mallocx_align(a: usize) -> c_int { a.trailing_zeros() as c_int }
fn mallocx_align(a: usize) -> c_int {
a.trailing_zeros() as c_int
}

fn align_to_flags(align: usize) -> c_int {
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I'm sympathetic to single expression if-branches to go one after another, for ternary-operator-like formatting.

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Feel free to submit an issue or a pull request: https://github.com/nrc/rustfmt

if align <= MIN_ALIGN { 0 } else { mallocx_align(align) }
if align <= MIN_ALIGN {
0
} else {
mallocx_align(align)
}
}

#[no_mangle]
pub extern fn __rust_allocate(size: usize, align: usize) -> *mut u8 {
pub extern "C" fn __rust_allocate(size: usize, align: usize) -> *mut u8 {
let flags = align_to_flags(align);
unsafe { je_mallocx(size as size_t, flags) as *mut u8 }
}

#[no_mangle]
pub extern fn __rust_reallocate(ptr: *mut u8, _old_size: usize, size: usize,
align: usize) -> *mut u8 {
pub extern "C" fn __rust_reallocate(ptr: *mut u8,
_old_size: usize,
size: usize,
align: usize)
-> *mut u8 {
let flags = align_to_flags(align);
unsafe { je_rallocx(ptr as *mut c_void, size as size_t, flags) as *mut u8 }
}

#[no_mangle]
pub extern fn __rust_reallocate_inplace(ptr: *mut u8, _old_size: usize,
size: usize, align: usize) -> usize {
pub extern "C" fn __rust_reallocate_inplace(ptr: *mut u8,
_old_size: usize,
size: usize,
align: usize)
-> usize {
let flags = align_to_flags(align);
unsafe { je_xallocx(ptr as *mut c_void, size as size_t, 0, flags) as usize }
}

#[no_mangle]
pub extern fn __rust_deallocate(ptr: *mut u8, old_size: usize, align: usize) {
pub extern "C" fn __rust_deallocate(ptr: *mut u8, old_size: usize, align: usize) {
let flags = align_to_flags(align);
unsafe { je_sdallocx(ptr as *mut c_void, old_size as size_t, flags) }
}

#[no_mangle]
pub extern fn __rust_usable_size(size: usize, align: usize) -> usize {
pub extern "C" fn __rust_usable_size(size: usize, align: usize) -> usize {
let flags = align_to_flags(align);
unsafe { je_nallocx(size as size_t, flags) as usize }
}