81 lines
1.9 KiB
Rust
81 lines
1.9 KiB
Rust
use ffi;
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use foreign_types::{ForeignType, ForeignTypeRef};
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use libc::{c_char, c_void};
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use std::fmt;
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use std::ffi::CStr;
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use std::ops::Deref;
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use std::str;
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use stack::Stackable;
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foreign_type! {
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type CType = c_char;
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fn drop = free;
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pub struct OpensslString;
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pub struct OpensslStringRef;
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}
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impl OpensslString {
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#[deprecated(note = "use from_ptr", since = "0.9.7")]
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pub unsafe fn from_raw_parts(buf: *mut u8, _: usize) -> OpensslString {
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OpensslString::from_ptr(buf as *mut c_char)
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}
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#[deprecated(note = "use from_ptr", since = "0.9.7")]
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pub unsafe fn from_null_terminated(buf: *mut c_char) -> OpensslString {
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OpensslString::from_ptr(buf)
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}
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}
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impl fmt::Display for OpensslString {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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fmt::Display::fmt(&**self, f)
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}
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}
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impl fmt::Debug for OpensslString {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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fmt::Debug::fmt(&**self, f)
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}
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}
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impl Stackable for OpensslString {
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type StackType = ffi::stack_st_OPENSSL_STRING;
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}
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impl Deref for OpensslStringRef {
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type Target = str;
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fn deref(&self) -> &str {
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unsafe {
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let slice = CStr::from_ptr(self.as_ptr()).to_bytes();
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str::from_utf8_unchecked(slice)
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}
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}
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}
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impl fmt::Display for OpensslStringRef {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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fmt::Display::fmt(&**self, f)
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}
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}
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impl fmt::Debug for OpensslStringRef {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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fmt::Debug::fmt(&**self, f)
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}
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}
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#[cfg(not(ossl110))]
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unsafe fn free(buf: *mut c_char) {
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::ffi::CRYPTO_free(buf as *mut c_void);
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}
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#[cfg(ossl110)]
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unsafe fn free(buf: *mut c_char) {
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::ffi::CRYPTO_free(buf as *mut c_void,
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concat!(file!(), "\0").as_ptr() as *const c_char,
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line!() as ::libc::c_int);
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}
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