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610a77ac31
`Box::new(x)` seems to compile to exactly the same assembly as `box x` in release mode: https://play.rust-lang.org/?gist=55ec5dd02c22fa799375d6e2e1a6e970&version=nightly Source-Repo: https://github.com/servo/servo Source-Revision: fc4de5adf5bff7fabe9f32b960c405f249b5d035 --HG-- extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear extra : subtree_revision : 029931b3a8d9c2e073038623375ebbc38eba348a
69 lines
2.0 KiB
Rust
69 lines
2.0 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use libc::{c_int};
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use std::slice;
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use string::cef_string_utf16_set;
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use types::{cef_string_list_t,cef_string_t};
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//cef_string_list
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#[no_mangle]
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pub extern "C" fn cef_string_list_alloc() -> *mut cef_string_list_t {
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Box::into_raw(Box::new(vec!()))
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}
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#[no_mangle]
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pub extern "C" fn cef_string_list_size(lt: *mut cef_string_list_t) -> c_int {
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unsafe {
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if lt.is_null() { return 0; }
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(*lt).len() as c_int
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}
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}
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#[no_mangle]
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pub extern "C" fn cef_string_list_append(lt: *mut cef_string_list_t, value: *const cef_string_t) {
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unsafe {
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if lt.is_null() { return; }
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(*lt).push(String::from_utf16(slice::from_raw_parts((*value).str, (*value).length as usize)).unwrap());
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}
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}
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#[no_mangle]
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pub extern "C" fn cef_string_list_value(lt: *mut cef_string_list_t, index: c_int, value: *mut cef_string_t) -> c_int {
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unsafe {
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if index < 0 || lt.is_null() { return 0; }
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if index as usize > (*lt).len() - 1 { return 0; }
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let ref string = (*lt)[index as usize];
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let utf16_chars: Vec<u16> = string.encode_utf16().collect();
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cef_string_utf16_set(utf16_chars.as_ptr(), utf16_chars.len(), value, 1)
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}
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}
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#[no_mangle]
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pub extern "C" fn cef_string_list_clear(lt: *mut cef_string_list_t) {
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unsafe {
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if lt.is_null() { return; }
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(*lt).clear();
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}
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}
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#[no_mangle]
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pub extern "C" fn cef_string_list_free(lt: *mut cef_string_list_t) {
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unsafe {
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if lt.is_null() { return; }
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cef_string_list_clear(lt);
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drop(Box::from_raw(lt));
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}
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}
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#[no_mangle]
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pub extern "C" fn cef_string_list_copy(lt: *mut cef_string_list_t) -> *mut cef_string_list_t {
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unsafe {
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if lt.is_null() { return 0 as *mut cef_string_list_t; }
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let copy = (*lt).clone();
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Box::into_raw(Box::new(copy))
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}
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}
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