1 use foreign_types::ForeignTypeRef;
2 use libc::{c_char, c_void};
3 use std::convert::AsRef;
4 use std::ffi::CStr;
5 use std::fmt;
6 use std::ops::Deref;
7 use std::str;
8
9 use crate::stack::Stackable;
10
11 foreign_type_and_impl_send_sync! {
12 type CType = c_char;
13 fn drop = free;
14
15 pub struct OpensslString;
16 pub struct OpensslStringRef;
17 }
18
19 impl fmt::Display for OpensslString {
fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result20 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
21 fmt::Display::fmt(&**self, f)
22 }
23 }
24
25 impl fmt::Debug for OpensslString {
fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result26 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
27 fmt::Debug::fmt(&**self, f)
28 }
29 }
30
31 impl Stackable for OpensslString {
32 type StackType = ffi::stack_st_OPENSSL_STRING;
33 }
34
35 impl AsRef<str> for OpensslString {
as_ref(&self) -> &str36 fn as_ref(&self) -> &str {
37 &**self
38 }
39 }
40
41 impl AsRef<[u8]> for OpensslString {
as_ref(&self) -> &[u8]42 fn as_ref(&self) -> &[u8] {
43 self.as_bytes()
44 }
45 }
46
47 impl Deref for OpensslStringRef {
48 type Target = str;
49
deref(&self) -> &str50 fn deref(&self) -> &str {
51 unsafe {
52 let slice = CStr::from_ptr(self.as_ptr()).to_bytes();
53 str::from_utf8_unchecked(slice)
54 }
55 }
56 }
57
58 impl AsRef<str> for OpensslStringRef {
as_ref(&self) -> &str59 fn as_ref(&self) -> &str {
60 &*self
61 }
62 }
63
64 impl AsRef<[u8]> for OpensslStringRef {
as_ref(&self) -> &[u8]65 fn as_ref(&self) -> &[u8] {
66 self.as_bytes()
67 }
68 }
69
70 impl fmt::Display for OpensslStringRef {
fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result71 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
72 fmt::Display::fmt(&**self, f)
73 }
74 }
75
76 impl fmt::Debug for OpensslStringRef {
fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result77 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
78 fmt::Debug::fmt(&**self, f)
79 }
80 }
81
82 #[cfg(not(ossl110))]
free(buf: *mut c_char)83 unsafe fn free(buf: *mut c_char) {
84 ::ffi::CRYPTO_free(buf as *mut c_void);
85 }
86
87 #[cfg(ossl110)]
free(buf: *mut c_char)88 unsafe fn free(buf: *mut c_char) {
89 ffi::CRYPTO_free(
90 buf as *mut c_void,
91 concat!(file!(), "\0").as_ptr() as *const c_char,
92 line!() as ::libc::c_int,
93 );
94 }
95