build error

[kouzhudong]

Input C/C++ Header

// Insert your minimal C or C++ header here.

Bindgen Invocation

    // Configure and generate bindings.
    let bindings = bindgen::builder()
        .header("../inc/libnet.h")
        //.clang_arg("-x").clang_arg("c++")
        .generate()
        .expect("Couldn't write bindings!");

    // Write the generated bindings to an output file.
    bindings
        .write_to_file("../inc/libnet.rs")
        .expect("Couldn't write bindings!");

or

$ bindgen input.h --whatever --flags

Actual Results

  thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: FromBytesWithNulError { kind: InteriorNul(17) }', C:\Users\Administrator\.cargo\registry\src\index.crates.io-6f17d22bba15001f\bindgen-0.66.1\codegen\mod.rs:717:71
  stack backtrace:
     0:     0x7ff723483482 - std::backtrace_rs::backtrace::dbghelp::trace
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\std\src\..\..\backtrace\src\backtrace\dbghelp.rs:98
     1:     0x7ff723483482 - std::backtrace_rs::backtrace::trace_unsynchronized
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\std\src\..\..\backtrace\src\backtrace\mod.rs:66
     2:     0x7ff723483482 - std::sys_common::backtrace::_print_fmt
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\std\src\sys_common\backtrace.rs:65
     3:     0x7ff723483482 - std::sys_common::backtrace::_print::impl$0::fmt
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\std\src\sys_common\backtrace.rs:44
     4:     0x7ff7234a426b - core::fmt::write
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\core\src\fmt\mod.rs:1254
     5:     0x7ff72347e27a - std::io::Write::write_fmt<std::sys::windows::stdio::Stderr>
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\std\src\io\mod.rs:1698
     6:     0x7ff7234831cb - std::sys_common::backtrace::_print
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\std\src\sys_common\backtrace.rs:47
     7:     0x7ff7234831cb - std::sys_common::backtrace::print
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\std\src\sys_common\backtrace.rs:34
     8:     0x7ff723485d9a - std::panicking::default_hook::closure$1
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\std\src\panicking.rs:269
     9:     0x7ff723485a00 - std::panicking::default_hook
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\std\src\panicking.rs:288
    10:     0x7ff723486476 - std::panicking::rust_panic_with_hook
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\std\src\panicking.rs:691
    11:     0x7ff72348636e - std::panicking::begin_panic_handler::closure$0
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\std\src\panicking.rs:582
    12:     0x7ff723484129 - std::sys_common::backtrace::__rust_end_short_backtrace<std::panicking::begin_panic_handler::closure_env$0,never$>
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\std\src\sys_common\backtrace.rs:150
    13:     0x7ff723486080 - std::panicking::begin_panic_handler
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\std\src\panicking.rs:578
    14:     0x7ff7234bb715 - core::panicking::panic_fmt
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\core\src\panicking.rs:67
    15:     0x7ff7234bbd36 - core::result::unwrap_failed
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\core\src\result.rs:1687
    16:     0x7ff722ff745d - core::result::Result<T,E>::unwrap::h22228f8087ff7b38
    17:     0x7ff722ffb53d - <bindgen::ir::var::Var as bindgen::codegen::CodeGenerator>::codegen::h5ca489b903d3163d
    18:     0x7ff72307622b - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::hcf8d4644130648ec
    19:     0x7ff723076c11 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::h856210ddd994646e
    20:     0x7ff72307644a - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::h856210ddd994646e
    21:     0x7ff7230761da - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::hcf8d4644130648ec
    22:     0x7ff723080e43 - bindgen::codegen::codegen::{{closure}}::h512e75f104283f43
    23:     0x7ff722fdbd21 - bindgen::ir::context::BindgenContext::gen::h060281cb6c7a3198
    24:     0x7ff723080171 - bindgen::codegen::codegen::h532a35ba1ae06e93
    25:     0x7ff722fea69f - bindgen::deprecated_target_diagnostic::he3809a5d14026bcc
    26:     0x7ff722fe865f - bindgen::Builder::generate::h0222105c071d16cb
    27:     0x7ff722f81b76 - <() as std::process::Termination>::report::h9faf526287b92224
    28:     0x7ff722f824c6 - core::ops::function::FnOnce::call_once::h09a7cff216d73ba5
    29:     0x7ff722f826d9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h8fe0d4a625b4aba0
    30:     0x7ff722f8241c - std::rt::lang_start::{{closure}}::h33bfb89f549285b3
    31:     0x7ff72347966e - core::ops::function::impls::impl$2::call_once
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\core\src\ops\function.rs:287
    32:     0x7ff72347966e - std::panicking::try::do_call
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\std\src\panicking.rs:485
    33:     0x7ff72347966e - std::panicking::try
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\std\src\panicking.rs:449
    34:     0x7ff72347966e - std::panic::catch_unwind
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\std\src\panic.rs:140
    35:     0x7ff72347966e - std::rt::lang_start_internal::closure$2
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\std\src\rt.rs:148
    36:     0x7ff72347966e - std::panicking::try::do_call
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\std\src\panicking.rs:485
    37:     0x7ff72347966e - std::panicking::try
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\std\src\panicking.rs:449
    38:     0x7ff72347966e - std::panic::catch_unwind
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\std\src\panic.rs:140
    39:     0x7ff72347966e - std::rt::lang_start_internal
                                 at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library\std\src\rt.rs:148
    40:     0x7ff722f823f7 - std::rt::lang_start::he210ef9f35c4e739
    41:     0x7ff722f81c39 - main
    42:     0x7ff7234ab050 - invoke_main
                                 at D:\a\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:78
    43:     0x7ff7234ab050 - __scrt_common_main_seh
                                 at D:\a\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288
    44:     0x7ffedced7614 - BaseThreadInitThunk
    45:     0x7ffedd0a26a1 - RtlUserThreadStart

and/or

// Insert the (incorrect/buggy) generated bindings here

and/or

Insert compilation errors generated when compiling the bindings with rustc here

Expected Results

[pvdrz]

cc @reitermarkus

I think this happens because the string already had a null byte and bindgen unconditionally adds another one at the end.

[XVilka]

@kouzhudong try downgrading bindgen version to 0.65 - it helped me with a very similar issue: #2566

[kouzhudong]

same at #2566

0.65.1 is ok
0.66.1 is no ok