File: extern-C-non-FFI-safe-arg-ice-52334.stderr

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, sid, trixie
  • size: 893,396 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (22 lines) | stat: -rw-r--r-- 880 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
warning: `extern` fn uses type `CStr`, which is not FFI-safe
  --> $DIR/extern-C-non-FFI-safe-arg-ice-52334.rs:7:12
   |
LL | type Foo = extern "C" fn(::std::ffi::CStr);
   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
   |
   = help: consider passing a `*const std::ffi::c_char` instead, and use `CStr::as_ptr()`
   = note: `CStr`/`CString` do not have a guaranteed layout
   = note: `#[warn(improper_ctypes_definitions)]` on by default

warning: `extern` block uses type `CStr`, which is not FFI-safe
  --> $DIR/extern-C-non-FFI-safe-arg-ice-52334.rs:10:18
   |
LL |     fn meh(blah: Foo);
   |                  ^^^ not FFI-safe
   |
   = help: consider passing a `*const std::ffi::c_char` instead, and use `CStr::as_ptr()`
   = note: `CStr`/`CString` do not have a guaranteed layout
   = note: `#[warn(improper_ctypes)]` on by default

warning: 2 warnings emitted