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use foreign_types::ForeignTypeRef;
use libc::{c_char, c_void};
use std::convert::AsRef;
use std::ffi::CStr;
use std::fmt;
use std::ops::Deref;
use std::str;
use crate::stack::Stackable;
foreign_type_and_impl_send_sync! {
type CType = c_char;
fn drop = free;
pub struct OpensslString;
pub struct OpensslStringRef;
}
impl fmt::Display for OpensslString {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Display::fmt(&**self, f)
}
}
impl fmt::Debug for OpensslString {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Debug::fmt(&**self, f)
}
}
impl Stackable for OpensslString {
type StackType = ffi::stack_st_OPENSSL_STRING;
}
impl AsRef<str> for OpensslString {
fn as_ref(&self) -> &str {
self
}
}
impl AsRef<[u8]> for OpensslString {
fn as_ref(&self) -> &[u8] {
self.as_bytes()
}
}
impl Deref for OpensslStringRef {
type Target = str;
fn deref(&self) -> &str {
unsafe {
let slice = CStr::from_ptr(self.as_ptr()).to_bytes();
str::from_utf8_unchecked(slice)
}
}
}
impl AsRef<str> for OpensslStringRef {
fn as_ref(&self) -> &str {
self
}
}
impl AsRef<[u8]> for OpensslStringRef {
fn as_ref(&self) -> &[u8] {
self.as_bytes()
}
}
impl fmt::Display for OpensslStringRef {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Display::fmt(&**self, f)
}
}
impl fmt::Debug for OpensslStringRef {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Debug::fmt(&**self, f)
}
}
#[inline]
#[cfg(not(boringssl))]
unsafe fn free(buf: *mut c_char) {
ffi::OPENSSL_free(buf as *mut c_void);
}
#[inline]
#[cfg(boringssl)]
unsafe fn free(buf: *mut c_char) {
ffi::CRYPTO_free(
buf as *mut c_void,
concat!(file!(), "\0").as_ptr() as *const c_char,
line!() as ::libc::c_int,
);
}
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