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Support Linux < 3.6
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@ -82,19 +82,19 @@ pub fn realpath(path: &CStr, buf: &mut [u8]) -> isize {
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if let Some(fd) = open_fd!(path, O_PATH | O_CLOEXEC) {
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let mut st1: libc::stat;
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let mut st2: libc::stat;
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let mut skip_check = false;
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unsafe {
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st1 = std::mem::zeroed();
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if libc::fstat(fd.as_raw_fd(), &mut st1) < 0 {
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*errno() = ENOENT;
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return -1;
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// This shall only fail on Linux < 3.6
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skip_check = true;
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}
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}
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let len = fd_path(fd.as_raw_fd(), buf);
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unsafe {
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st2 = std::mem::zeroed();
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if libc::stat(buf.as_ptr().cast(), &mut st2) < 0
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|| st2.st_dev != st1.st_dev
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|| st2.st_ino != st1.st_ino
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|| (!skip_check && (st2.st_dev != st1.st_dev || st2.st_ino != st1.st_ino))
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{
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*errno() = ENOENT;
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return -1;
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