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Fix c_char usage on AArch64

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Apparently char is unsigned on AArch64.
This commit is contained in:
Robbert van der Helm 2022-04-12 02:05:34 +02:00
parent 3c69fb72cf
commit 54db43f48d
1 changed files with 3 additions and 1 deletions

4
src/wrapper/util.rs
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@ -31,7 +31,9 @@ pub fn strlcpy(dest: &mut [c_char], src: &str) {
} }
let src_bytes: &[u8] = src.as_bytes(); let src_bytes: &[u8] = src.as_bytes();
let src_bytes_signed: &[i8] = unsafe { &*(src_bytes as *const [u8] as *const [i8]) }; // NOTE: `c_char` is i8 on x86 based archs, and u8 on AArch64. There this line won't do
// anything.
let src_bytes_signed: &[c_char] = unsafe { &*(src_bytes as *const [u8] as *const [c_char]) };
// Make sure there's always room for a null terminator // Make sure there's always room for a null terminator
let copy_len = cmp::min(dest.len() - 1, src.len()); let copy_len = cmp::min(dest.len() - 1, src.len());