#ffi #linked_list

c_linked_list

Utilities for handling NULL-terminated C linked lists

4 releases (stable)

1.1.1 Jun 21, 2018
1.1.0 Feb 9, 2016
1.0.0 Feb 9, 2016
0.1.0 Jan 13, 2016

#27 in FFI

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Used in 50 crates (2 directly)

MIT OR BSD-3-Clause

14KB
275 lines

c_linked_list

This is a Rust library for handling NULL-terminated C linked lists. You can use this library to take a linked list provided by a C library and wrap it as a Rust type.

Documentation


lib.rs:

This crate provides utilities for working with NULL-terminated linked lists provided by C code. Suppose you call a foreign function which returns either NULL or a pointer to a node of the following C type.

struct LinkedListNode {
    int value;
    struct LinkedListNode *next;
};

You can use this library to wrap the C linked list in a rust type, allowing operations such as iteration to be performed on it.

let some_c_linked_list = foreign_function_which_returns_c_linked_list();
let rust_linked_list = unsafe { CLinkedListMut::from_ptr(some_c_linked_list, |n| n.next) };
for (i, node) in rust_linked_list.iter().enumerate() {
    println!("some_c_linked_list[{}] == {}", i, node.value);
}

No runtime deps