diff options
Diffstat (limited to 'src/doc/trpl/ffi.md')
| -rw-r--r-- | src/doc/trpl/ffi.md | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/doc/trpl/ffi.md b/src/doc/trpl/ffi.md index f2b95f19edc..97e826579fd 100644 --- a/src/doc/trpl/ffi.md +++ b/src/doc/trpl/ffi.md @@ -435,8 +435,8 @@ extern { } fn main() { - let prompt = CString::from_slice(b"[my-awesome-shell] $"); - unsafe { + let prompt = CString::new("[my-awesome-shell] $").unwrap(); + unsafe { rl_prompt = prompt.as_ptr(); println!("{:?}", rl_prompt); @@ -541,6 +541,6 @@ pub extern fn hello_rust() -> *const u8 { The `extern` makes this function adhere to the C calling convention, as discussed above in "[Foreign Calling -Conventions](guide-ffi.html#foreign-calling-conventions)". The `no_mangle` +Conventions](ffi.html#foreign-calling-conventions)". The `no_mangle` attribute turns off Rust's name mangling, so that it is easier to link to. |