| // { dg-additional-options "-frust-c-style-string-literals -frust-compat-version=1.90" } |
| // { dg-output "gccrs" } |
| #![feature(no_core, lang_items)] |
| #![no_core] |
| |
| cfg_select! { |
| all( |
| not(windows), |
| not(target_vendor = "apple"), |
| not(target_os = "vita"), |
| any( |
| target_arch = "aarch64", |
| target_arch = "arm", |
| target_arch = "csky", |
| target_arch = "hexagon", |
| target_arch = "msp430", |
| target_arch = "powerpc", |
| target_arch = "powerpc64", |
| target_arch = "riscv32", |
| target_arch = "riscv64", |
| target_arch = "s390x", |
| target_arch = "xtensa", |
| ) |
| ) => { |
| pub type c_char = u8; |
| } |
| _ => { |
| pub type c_char = i8; |
| } |
| } |
| |
| extern "C" { |
| fn printf(s: *const c_char, ...); |
| } |
| |
| #[lang = "CStr"] |
| #[repr(transparent)] |
| pub struct CStr { |
| inner: [c_char] |
| } |
| |
| impl CStr { |
| pub const fn to_ptr(&self) -> *const c_char { |
| &self.inner as *const [c_char] as *const c_char |
| } |
| } |
| |
| fn main() -> i32 { |
| let a = c"gccrs"; |
| unsafe { |
| printf(a.to_ptr()); |
| } |
| 0 |
| } |
