Struct FfiString 

#[repr(C)]
pub struct FfiString {
    pub data: *mut u8,
    pub len: usize,
}

FFI-safe UTF-8 string.

data points to a heap-allocated byte array of len bytes. The bytes are valid UTF-8 but are not necessarily null-terminated beyond len; always use len to determine the string length.

Fields

data: *mut u8

len: usize

Implementations

impl FfiString

pub fn null() -> Self

Returns an empty FfiString (null data pointer, len=0).

pub fn new(s: &str) -> Self

Allocate and copy a UTF-8 string.

pub unsafe fn as_str(&self) -> &str

Convert to a &str.

Safety

self.data must be valid for self.len bytes of valid UTF-8.

pub unsafe fn dealloc(self)

Deallocate the string’s buffer.

Safety

Must only be called once.

Trait Implementations

impl Send for FfiString

impl Sync for FfiString