Use ffi::c_char to fix arm64

Author: LegNeato

crates/ptx_compiler/src/lib.rs

@@ -1,6 +1,7 @@
 //! Raw and High level bindings to the CUDA NVPTX compiler used to compile PTX to
 //! cubin files.
 
+use std::ffi::c_char;
 use std::mem::MaybeUninit;
 
 use cust_raw::nvptx_compiler_sys;
@@ -101,8 +102,11 @@ impl CompilerFailure {
  .to_result()?;
  let size = size.assume_init();
  let mut vec = Vec::with_capacity(size);
- nvptx_compiler_sys::nvPTXCompilerGetErrorLog(self.handle, vec.as_mut_ptr() as *mut i8)
- .to_result()?;
+ nvptx_compiler_sys::nvPTXCompilerGetErrorLog(
+ self.handle,
+ vec.as_mut_ptr() as *mut c_char,
+ )
+ .to_result()?;
  vec.set_len(size);
  Ok(String::from_utf8_lossy(&vec).to_string())
  }
@@ -134,8 +138,11 @@ impl CompiledProgram {
  .to_result()?;
  let size = size.assume_init();
  let mut vec = Vec::with_capacity(size);
- nvptx_compiler_sys::nvPTXCompilerGetInfoLog(self.handle, vec.as_mut_ptr() as *mut i8)
- .to_result()?;
+ nvptx_compiler_sys::nvPTXCompilerGetInfoLog(
+ self.handle,
+ vec.as_mut_ptr() as *mut c_char,
+ )
+ .to_result()?;
  vec.set_len(size);
  Ok(String::from_utf8_lossy(&vec).to_string())
  }