Rollup merge of rust-lang#132359 - mustartt:henry/match-libc-char-type, r=jieyouxu

jieyouxu · web-flow · commit 426f2fbbe2b9 · 2024-10-30T22:22:06.000+08:00
Fix AIX libc call char type from i8 to u8 There was an update to AIX `libc` default char type from `i8 -> u8`, we should reflect that on the call site to satisfy the type checker. https://github.com/rust-lang/libc/blame/81f0cd3d9715e579c92063f78d0d14da85a31dd1/src/unix/aix/mod.rs#L1
diff --git a/compiler/rustc_session/src/filesearch.rs b/compiler/rustc_session/src/filesearch.rs
@@ -84,7 +84,7 @@ fn current_dll_path() -> Result<PathBuf, String> {
         loop {
             if libc::loadquery(
                 libc::L_GETINFO,
-                buffer.as_mut_ptr() as *mut i8,
+                buffer.as_mut_ptr() as *mut u8,
                 (std::mem::size_of::<libc::ld_info>() * buffer.len()) as u32,
             ) >= 0
             {

Original file line number	Diff line number	Diff line change
`@@ -84,7 +84,7 @@ fn current_dll_path() -> Result<PathBuf, String> {`
`84`	`84`	`loop {`
`85`	`85`	`if libc::loadquery(`
`86`	`86`	`libc::L_GETINFO,`
`87`		`- buffer.as_mut_ptr() as *mut i8,`
	`87`	`+ buffer.as_mut_ptr() as *mut u8,`
`88`	`88`	`(std::mem::size_of::<libc::ld_info>() * buffer.len()) as u32,`
`89`	`89`	`) >= 0`
`90`	`90`	`{`