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fs: Use readdir() instead of readdir_r() on Android

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Bionic also guarantees that readdir() is thread-safe enough.
This commit is contained in:
Tavian Barnes 2022-01-14 14:19:09 -05:00
parent bc04a4eac4
commit 3eeb3ca407
1 changed files with 10 additions and 0 deletions
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10
library/std/src/sys/unix/fs.rs
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@ -35,6 +35,7 @@ use libc::dirfd;
#[cfg(any(target_os = "linux", target_os = "emscripten"))]
use libc::fstatat64;
#[cfg(any(
target_os = "android",
target_os = "solaris",
target_os = "fuchsia",
target_os = "redox",
@ -46,6 +47,7 @@ use libc::readdir64;
#[cfg(any(target_os = "emscripten", target_os = "l4re"))]
use libc::readdir64_r;
#[cfg(not(any(
target_os = "android",
target_os = "linux",
target_os = "emscripten",
target_os = "solaris",
@ -211,6 +213,7 @@ struct InnerReadDir {
pub struct ReadDir {
inner: Arc<InnerReadDir>,
#[cfg(not(any(
target_os = "android",
target_os = "linux",
target_os = "solaris",
target_os = "illumos",
@ -232,6 +235,7 @@ pub struct DirEntry {
// readdir() (not readdir_r()), because a) struct dirent may use a flexible
// array to store the name, b) it lives only until the next readdir() call.
#[cfg(any(
target_os = "android",
target_os = "linux",
target_os = "solaris",
target_os = "illumos",
@ -459,6 +463,7 @@ impl Iterator for ReadDir {
type Item = io::Result<DirEntry>;
#[cfg(any(
target_os = "android",
target_os = "linux",
target_os = "solaris",
target_os = "fuchsia",
@ -498,6 +503,7 @@ impl Iterator for ReadDir {
}
#[cfg(not(any(
target_os = "android",
target_os = "linux",
target_os = "solaris",
target_os = "fuchsia",
@ -665,6 +671,7 @@ impl DirEntry {
}
#[cfg(not(any(
target_os = "android",
target_os = "linux",
target_os = "solaris",
target_os = "illumos",
@ -675,6 +682,7 @@ impl DirEntry {
unsafe { CStr::from_ptr(self.entry.d_name.as_ptr()) }
}
#[cfg(any(
target_os = "android",
target_os = "linux",
target_os = "solaris",
target_os = "illumos",
@ -1086,6 +1094,7 @@ pub fn readdir(p: &Path) -> io::Result<ReadDir> {
Ok(ReadDir {
inner: Arc::new(inner),
#[cfg(not(any(
target_os = "android",
target_os = "linux",
target_os = "solaris",
target_os = "illumos",
@ -1622,6 +1631,7 @@ mod remove_dir_impl {
ReadDir {
inner: Arc::new(InnerReadDir { dirp, root: dummy_root }),
#[cfg(not(any(
target_os = "android",
target_os = "linux",
target_os = "solaris",
target_os = "illumos",