libnotcurses_sys/
string.rs

1//! `NcString`
2// WIP
3
4// use crate::c_api::libc::{free, strdup};
5
6use core::ffi::c_char;
7
8#[cfg(not(feature = "std"))]
9use alloc::ffi::CString;
10
11#[cfg(feature = "std")]
12use std::ffi::CString;
13
14/// A wrapped [`CString`] accepted by widgets.
15///
16// MAYBE: also for exporting to `*mut c_char`?
17#[derive(Debug)]
18pub struct NcString {
19    cstring: CString,
20    // ptr: *mut c_char,
21    // deallocate: bool,
22}
23impl NcString {
24    ///
25    pub fn new(string: &str) -> Self {
26        // let cstring = CString::new(string).expect("CString::new");
27        // let ptr = unsafe { strdup(cstring.as_ptr()) };
28        // Self { ptr, deallocate: true }
29        Self { cstring: CString::new(string).expect("CString::new") }
30    }
31
32    pub fn as_ptr(&self) -> *const c_char {
33        self.cstring.as_ptr()
34    }
35
36    // MAYBE: fn as_raw(self) ? (transfers ownership)
37
38    // /// Choose whether to dellocate the string on drop or not.
39    // pub fn deallocate(&mut self, deallocate: bool) {
40    //     self.deallocate = deallocate;
41    // }
42
43    //
44    // pub fn as_mut_ptr(&mut self) -> *mut c_char {
45    //     self.cstring.as_mut_ptr()
46    // }
47}
48
49// impl Drop for NcString {
50//     fn drop(&mut self) {
51//         if self.deallocate {
52//             unsafe { free(self.ptr as *mut c_void) };
53//         }
54//     }
55// }