Mercurial > crates > nonstick

comparison src/items.rs @ 51:9d1160b02d2c

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Safety and doc fixes: - Don't panic when given a string with a null character; instead return `PAM_CONV_ERR`. - Improve pattern matching and use ?s where appropriate. - Format etc.
author Paul Fisher <paul@pfish.zone>
date Sat, 03 May 2025 18:41:25 -0400
parents ce47901aab7a
children
comparison
equal deleted inserted replaced
50:171fb1171053 51:9d1160b02d2c
1 use std::ffi::CStr;
2
1 #[repr(u32)] 3 #[repr(u32)]
2 pub enum ItemType { 4 pub enum ItemType {
3 /// The service name 5 /// The service name
4 Service = 1, 6 Service = 1,
5 /// The user name 7 /// The user name
34 type Raw; 36 type Raw;
35 37
36 /// The `ItemType` for this type 38 /// The `ItemType` for this type
37 fn type_id() -> ItemType; 39 fn type_id() -> ItemType;
38 40
39 /// The function to convert from the pointer to the C-representation to this safer wrapper type 41 /// The function to convert from the pointer to the C-representation to this safer wrapper type.
40 /// 42 ///
41 /// # Safety 43 /// # Safety
42 /// 44 ///
43 /// This function can assume the pointer is a valid pointer to a `Self::Raw` instance. 45 /// This function assumes the pointer is a valid pointer to a `Self::Raw` instance.
44 unsafe fn from_raw(raw: *const Self::Raw) -> Self; 46 unsafe fn from_raw(raw: *const Self::Raw) -> Self;
45 47
46 /// The function to convert from this wrapper type to a C-compatible pointer. 48 /// The function to convert from this wrapper type to a C-compatible pointer.
47 fn into_raw(self) -> *const Self::Raw; 49 fn into_raw(self) -> *const Self::Raw;
48 } 50 }
49 51
50 macro_rules! cstr_item { 52 macro_rules! cstr_item {
51 ($name:ident) => { 53 ($name:ident) => {
54 ///A `CStr`-based item from a PAM conversation.
52 #[derive(Debug)] 55 #[derive(Debug)]
53 pub struct $name<'s>(pub &'s std::ffi::CStr); 56 pub struct $name<'s>(pub &'s CStr);
54 57
55 impl<'s> std::ops::Deref for $name<'s> { 58 impl<'s> std::ops::Deref for $name<'s> {
56 type Target = &'s std::ffi::CStr; 59 type Target = &'s CStr;
57 fn deref(&self) -> &Self::Target { 60 fn deref(&self) -> &Self::Target {
58 &self.0 61 &self.0
59 } 62 }
60 } 63 }
61 64