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comparison libpam-sys/src/structs.rs @ 119:476a22db8639

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Add PtrPtrVec to make it easy to pass pointer-to-pointers to PAM.
author Paul Fisher <paul@pfish.zone>
date Mon, 30 Jun 2025 01:40:28 -0400
parents 39760dfc9b3b
children 2b255c92417b
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118:39760dfc9b3b 119:476a22db8639
42 /// 42 ///
43 /// For important details about the format of `messages`, 43 /// For important details about the format of `messages`,
44 /// see the [`helpers`](crate::helpers) module. 44 /// see the [`helpers`](crate::helpers) module.
45 pub type ConversationCallback = unsafe extern "C" fn( 45 pub type ConversationCallback = unsafe extern "C" fn(
46 num_msg: c_int, 46 num_msg: c_int,
47 // This is a *const *const because accessing memory from a reference
48 // outside its bounds is undefined behavior, and *messages is an array
49 // in X/SSO PAM impls.
47 messages: *const *const Message, 50 messages: *const *const Message,
51 // This is a &mut *mut because the caller sets the pointer in `responses`
52 // but does not mess around outside its memory space.
48 responses: &mut *mut Response, 53 responses: &mut *mut Response,
49 appdata: *const AppData, 54 appdata: *const AppData,
50 ) -> c_int; 55 ) -> c_int;
51 56
52 /// Used by PAM to communicate between the module and the application. 57 /// Used by PAM to communicate between the module and the application.