diff options
| -rw-r--r-- | library/std/src/sys/pal/unix/os.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/library/std/src/sys/pal/unix/os.rs b/library/std/src/sys/pal/unix/os.rs index 9750c32eed5..d26a1bdef74 100644 --- a/library/std/src/sys/pal/unix/os.rs +++ b/library/std/src/sys/pal/unix/os.rs @@ -706,7 +706,7 @@ pub fn page_size() -> usize { // https://pubs.opengroup.org/onlinepubs/9699919799/functions/confstr.html #[cfg(target_vendor = "apple")] fn confstr(key: c_int, size_hint: Option<usize>) -> io::Result<OsString> { - let mut buf: Vec<u8> = Vec::new(); + let mut buf: Vec<u8> = Vec::with_capacity(0); let mut bytes_needed_including_nul = size_hint .unwrap_or_else(|| { // Treat "None" as "do an extra call to get the length". In theory |