Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 739 insertions, 0 deletions

diff --git a/third_party/rust/object/src/read/archive.rs b/third_party/rust/object/src/read/archive.rs
new file mode 100644
index 0000000000..f5aaa9b190
--- /dev/null
+++ b/third_party/rust/object/src/read/archive.rs
@@ -0,0 +1,739 @@
+//! Support for archive files.
+
+use core::convert::TryInto;
+
+use crate::archive;
+use crate::read::{self, Bytes, Error, ReadError, ReadRef};
+
+/// The kind of archive format.
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+#[non_exhaustive]
+pub enum ArchiveKind {
+    /// There are no special files that indicate the archive format.
+    Unknown,
+    /// The GNU (or System V) archive format.
+    Gnu,
+    /// The GNU (or System V) archive format with 64-bit symbol table.
+    Gnu64,
+    /// The BSD archive format.
+    Bsd,
+    /// The BSD archive format with 64-bit symbol table.
+    ///
+    /// This is used for Darwin.
+    Bsd64,
+    /// The Windows COFF archive format.
+    Coff,
+    /// The AIX big archive format.
+    AixBig,
+}
+
+/// The list of members in the archive.
+#[derive(Debug, Clone, Copy)]
+enum Members<'data> {
+    Common {
+        offset: u64,
+        end_offset: u64,
+    },
+    AixBig {
+        index: &'data [archive::AixMemberOffset],
+    },
+}
+
+/// A partially parsed archive file.
+#[derive(Debug, Clone, Copy)]
+pub struct ArchiveFile<'data, R: ReadRef<'data> = &'data [u8]> {
+    data: R,
+    kind: ArchiveKind,
+    members: Members<'data>,
+    symbols: (u64, u64),
+    names: &'data [u8],
+}
+
+impl<'data, R: ReadRef<'data>> ArchiveFile<'data, R> {
+    /// Parse the archive header and special members.
+    pub fn parse(data: R) -> read::Result<Self> {
+        let len = data.len().read_error("Unknown archive length")?;
+        let mut tail = 0;
+        let magic = data
+            .read_bytes(&mut tail, archive::MAGIC.len() as u64)
+            .read_error("Invalid archive size")?;
+
+        if magic == archive::AIX_BIG_MAGIC {
+            return Self::parse_aixbig(data);
+        } else if magic != archive::MAGIC {
+            return Err(Error("Unsupported archive identifier"));
+        }
+
+        let mut members_offset = tail;
+        let members_end_offset = len;
+
+        let mut file = ArchiveFile {
+            data,
+            kind: ArchiveKind::Unknown,
+            members: Members::Common {
+                offset: 0,
+                end_offset: 0,
+            },
+            symbols: (0, 0),
+            names: &[],
+        };
+
+        // The first few members may be special, so parse them.
+        // GNU has:
+        // - "/" or "/SYM64/": symbol table (optional)
+        // - "//": names table (optional)
+        // COFF has:
+        // - "/": first linker member
+        // - "/": second linker member
+        // - "//": names table
+        // BSD has:
+        // - "__.SYMDEF" or "__.SYMDEF SORTED": symbol table (optional)
+        // BSD 64-bit has:
+        // - "__.SYMDEF_64" or "__.SYMDEF_64 SORTED": symbol table (optional)
+        // BSD may use the extended name for the symbol table. This is handled
+        // by `ArchiveMember::parse`.
+        if tail < len {
+            let member = ArchiveMember::parse(data, &mut tail, &[])?;
+            if member.name == b"/" {
+                // GNU symbol table (unless we later determine this is COFF).
+                file.kind = ArchiveKind::Gnu;
+                file.symbols = member.file_range();
+                members_offset = tail;
+
+                if tail < len {
+                    let member = ArchiveMember::parse(data, &mut tail, &[])?;
+                    if member.name == b"/" {
+                        // COFF linker member.
+                        file.kind = ArchiveKind::Coff;
+                        file.symbols = member.file_range();
+                        members_offset = tail;
+
+                        if tail < len {
+                            let member = ArchiveMember::parse(data, &mut tail, &[])?;
+                            if member.name == b"//" {
+                                // COFF names table.
+                                file.names = member.data(data)?;
+                                members_offset = tail;
+                            }
+                        }
+                    } else if member.name == b"//" {
+                        // GNU names table.
+                        file.names = member.data(data)?;
+                        members_offset = tail;
+                    }
+                }
+            } else if member.name == b"/SYM64/" {
+                // GNU 64-bit symbol table.
+                file.kind = ArchiveKind::Gnu64;
+                file.symbols = member.file_range();
+                members_offset = tail;
+
+                if tail < len {
+                    let member = ArchiveMember::parse(data, &mut tail, &[])?;
+                    if member.name == b"//" {
+                        // GNU names table.
+                        file.names = member.data(data)?;
+                        members_offset = tail;
+                    }
+                }
+            } else if member.name == b"//" {
+                // GNU names table.
+                file.kind = ArchiveKind::Gnu;
+                file.names = member.data(data)?;
+                members_offset = tail;
+            } else if member.name == b"__.SYMDEF" || member.name == b"__.SYMDEF SORTED" {
+                // BSD symbol table.
+                file.kind = ArchiveKind::Bsd;
+                file.symbols = member.file_range();
+                members_offset = tail;
+            } else if member.name == b"__.SYMDEF_64" || member.name == b"__.SYMDEF_64 SORTED" {
+                // BSD 64-bit symbol table.
+                file.kind = ArchiveKind::Bsd64;
+                file.symbols = member.file_range();
+                members_offset = tail;
+            } else {
+                // TODO: This could still be a BSD file. We leave this as unknown for now.
+            }
+        }
+        file.members = Members::Common {
+            offset: members_offset,
+            end_offset: members_end_offset,
+        };
+        Ok(file)
+    }
+
+    fn parse_aixbig(data: R) -> read::Result<Self> {
+        let mut tail = 0;
+
+        let file_header = data
+            .read::<archive::AixFileHeader>(&mut tail)
+            .read_error("Invalid AIX big archive file header")?;
+        // Caller already validated this.
+        debug_assert_eq!(file_header.magic, archive::AIX_BIG_MAGIC);
+
+        let mut file = ArchiveFile {
+            data,
+            kind: ArchiveKind::AixBig,
+            members: Members::AixBig { index: &[] },
+            symbols: (0, 0),
+            names: &[],
+        };
+
+        // Read the span of symbol table.
+        let symtbl64 = parse_u64_digits(&file_header.gst64off, 10)
+            .read_error("Invalid offset to 64-bit symbol table in AIX big archive")?;
+        if symtbl64 > 0 {
+            // The symbol table is also a file with header.
+            let member = ArchiveMember::parse_aixbig(data, symtbl64)?;
+            file.symbols = member.file_range();
+        } else {
+            let symtbl = parse_u64_digits(&file_header.gstoff, 10)
+                .read_error("Invalid offset to symbol table in AIX big archive")?;
+            if symtbl > 0 {
+                // The symbol table is also a file with header.
+                let member = ArchiveMember::parse_aixbig(data, symtbl)?;
+                file.symbols = member.file_range();
+            }
+        }
+
+        // Big archive member index table lists file entries with offsets and names.
+        // To avoid potential infinite loop (members are double-linked list), the
+        // iterator goes through the index instead of real members.
+        let member_table_offset = parse_u64_digits(&file_header.memoff, 10)
+            .read_error("Invalid offset for member table of AIX big archive")?;
+        if member_table_offset == 0 {
+            // The offset would be zero if archive contains no file.
+            return Ok(file);
+        }
+
+        // The member index table is also a file with header.
+        let member = ArchiveMember::parse_aixbig(data, member_table_offset)?;
+        let mut member_data = Bytes(member.data(data)?);
+
+        // Structure of member index table:
+        // Number of entries (20 bytes)
+        // Offsets of each entry (20*N bytes)
+        // Names string table (the rest of bytes to fill size defined in header)
+        let members_count_bytes = member_data
+            .read_slice::<u8>(20)
+            .read_error("Missing member count in AIX big archive")?;
+        let members_count = parse_u64_digits(members_count_bytes, 10)
+            .and_then(|size| size.try_into().ok())
+            .read_error("Invalid member count in AIX big archive")?;
+        let index = member_data
+            .read_slice::<archive::AixMemberOffset>(members_count)
+            .read_error("Member count overflow in AIX big archive")?;
+        file.members = Members::AixBig { index };
+
+        Ok(file)
+    }
+
+    /// Return the archive format.
+    #[inline]
+    pub fn kind(&self) -> ArchiveKind {
+        self.kind
+    }
+
+    /// Iterate over the members of the archive.
+    ///
+    /// This does not return special members.
+    #[inline]
+    pub fn members(&self) -> ArchiveMemberIterator<'data, R> {
+        ArchiveMemberIterator {
+            data: self.data,
+            members: self.members,
+            names: self.names,
+        }
+    }
+}
+
+/// An iterator over the members of an archive.
+#[derive(Debug)]
+pub struct ArchiveMemberIterator<'data, R: ReadRef<'data> = &'data [u8]> {
+    data: R,
+    members: Members<'data>,
+    names: &'data [u8],
+}
+
+impl<'data, R: ReadRef<'data>> Iterator for ArchiveMemberIterator<'data, R> {
+    type Item = read::Result<ArchiveMember<'data>>;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        match &mut self.members {
+            Members::Common {
+                ref mut offset,
+                ref mut end_offset,
+            } => {
+                if *offset >= *end_offset {
+                    return None;
+                }
+                let member = ArchiveMember::parse(self.data, offset, self.names);
+                if member.is_err() {
+                    *offset = *end_offset;
+                }
+                Some(member)
+            }
+            Members::AixBig { ref mut index } => match **index {
+                [] => None,
+                [ref first, ref rest @ ..] => {
+                    *index = rest;
+                    let member = ArchiveMember::parse_aixbig_index(self.data, first);
+                    if member.is_err() {
+                        *index = &[];
+                    }
+                    Some(member)
+                }
+            },
+        }
+    }
+}
+
+/// An archive member header.
+#[derive(Debug, Clone, Copy)]
+enum MemberHeader<'data> {
+    /// Common header used by many formats.
+    Common(&'data archive::Header),
+    /// AIX big archive header
+    AixBig(&'data archive::AixHeader),
+}
+
+/// A partially parsed archive member.
+#[derive(Debug)]
+pub struct ArchiveMember<'data> {
+    header: MemberHeader<'data>,
+    name: &'data [u8],
+    offset: u64,
+    size: u64,
+}
+
+impl<'data> ArchiveMember<'data> {
+    /// Parse the member header, name, and file data in an archive with the common format.
+    ///
+    /// This reads the extended name (if any) and adjusts the file size.
+    fn parse<R: ReadRef<'data>>(
+        data: R,
+        offset: &mut u64,
+        names: &'data [u8],
+    ) -> read::Result<Self> {
+        let header = data
+            .read::<archive::Header>(offset)
+            .read_error("Invalid archive member header")?;
+        if header.terminator != archive::TERMINATOR {
+            return Err(Error("Invalid archive terminator"));
+        }
+
+        let mut file_offset = *offset;
+        let mut file_size =
+            parse_u64_digits(&header.size, 10).read_error("Invalid archive member size")?;
+        *offset = offset
+            .checked_add(file_size)
+            .read_error("Archive member size is too large")?;
+        // Entries are padded to an even number of bytes.
+        if (file_size & 1) != 0 {
+            *offset = offset.saturating_add(1);
+        }
+
+        let name = if header.name[0] == b'/' && (header.name[1] as char).is_ascii_digit() {
+            // Read file name from the names table.
+            parse_sysv_extended_name(&header.name[1..], names)
+                .read_error("Invalid archive extended name offset")?
+        } else if &header.name[..3] == b"#1/" && (header.name[3] as char).is_ascii_digit() {
+            // Read file name from the start of the file data.
+            parse_bsd_extended_name(&header.name[3..], data, &mut file_offset, &mut file_size)
+                .read_error("Invalid archive extended name length")?
+        } else if header.name[0] == b'/' {
+            let name_len = memchr::memchr(b' ', &header.name).unwrap_or(header.name.len());
+            &header.name[..name_len]
+        } else {
+            let name_len = memchr::memchr(b'/', &header.name)
+                .or_else(|| memchr::memchr(b' ', &header.name))
+                .unwrap_or(header.name.len());
+            &header.name[..name_len]
+        };
+
+        Ok(ArchiveMember {
+            header: MemberHeader::Common(header),
+            name,
+            offset: file_offset,
+            size: file_size,
+        })
+    }
+
+    /// Parse a member index entry in an AIX big archive,
+    /// and then parse the member header, name, and file data.
+    fn parse_aixbig_index<R: ReadRef<'data>>(
+        data: R,
+        index: &archive::AixMemberOffset,
+    ) -> read::Result<Self> {
+        let offset = parse_u64_digits(&index.0, 10)
+            .read_error("Invalid AIX big archive file member offset")?;
+        Self::parse_aixbig(data, offset)
+    }
+
+    /// Parse the member header, name, and file data in an AIX big archive.
+    fn parse_aixbig<R: ReadRef<'data>>(data: R, mut offset: u64) -> read::Result<Self> {
+        // The format was described at
+        // https://www.ibm.com/docs/en/aix/7.3?topic=formats-ar-file-format-big
+        let header = data
+            .read::<archive::AixHeader>(&mut offset)
+            .read_error("Invalid AIX big archive member header")?;
+        let name_length = parse_u64_digits(&header.namlen, 10)
+            .read_error("Invalid AIX big archive member name length")?;
+        let name = data
+            .read_bytes(&mut offset, name_length)
+            .read_error("Invalid AIX big archive member name")?;
+
+        // The actual data for a file member begins at the first even-byte boundary beyond the
+        // member header and continues for the number of bytes specified by the ar_size field. The
+        // ar command inserts null bytes for padding where necessary.
+        if offset & 1 != 0 {
+            offset = offset.saturating_add(1);
+        }
+        // Because of the even-byte boundary, we have to read and check terminator after header.
+        let terminator = data
+            .read_bytes(&mut offset, 2)
+            .read_error("Invalid AIX big archive terminator")?;
+        if terminator != archive::TERMINATOR {
+            return Err(Error("Invalid AIX big archive terminator"));
+        }
+
+        let size = parse_u64_digits(&header.size, 10)
+            .read_error("Invalid archive member size in AIX big archive")?;
+        Ok(ArchiveMember {
+            header: MemberHeader::AixBig(header),
+            name,
+            offset,
+            size,
+        })
+    }
+
+    /// Return the raw header that is common to many archive formats.
+    ///
+    /// Returns `None` if this archive does not use the common header format.
+    #[inline]
+    pub fn header(&self) -> Option<&'data archive::Header> {
+        match self.header {
+            MemberHeader::Common(header) => Some(header),
+            _ => None,
+        }
+    }
+
+    /// Return the raw header for AIX big archives.
+    ///
+    /// Returns `None` if this is not an AIX big archive.
+    #[inline]
+    pub fn aix_header(&self) -> Option<&'data archive::AixHeader> {
+        match self.header {
+            MemberHeader::AixBig(header) => Some(header),
+            _ => None,
+        }
+    }
+
+    /// Return the parsed file name.
+    ///
+    /// This may be an extended file name.
+    #[inline]
+    pub fn name(&self) -> &'data [u8] {
+        self.name
+    }
+
+    /// Parse the file modification timestamp from the header.
+    #[inline]
+    pub fn date(&self) -> Option<u64> {
+        match &self.header {
+            MemberHeader::Common(header) => parse_u64_digits(&header.date, 10),
+            MemberHeader::AixBig(header) => parse_u64_digits(&header.date, 10),
+        }
+    }
+
+    /// Parse the user ID from the header.
+    #[inline]
+    pub fn uid(&self) -> Option<u64> {
+        match &self.header {
+            MemberHeader::Common(header) => parse_u64_digits(&header.uid, 10),
+            MemberHeader::AixBig(header) => parse_u64_digits(&header.uid, 10),
+        }
+    }
+
+    /// Parse the group ID from the header.
+    #[inline]
+    pub fn gid(&self) -> Option<u64> {
+        match &self.header {
+            MemberHeader::Common(header) => parse_u64_digits(&header.gid, 10),
+            MemberHeader::AixBig(header) => parse_u64_digits(&header.gid, 10),
+        }
+    }
+
+    /// Parse the file mode from the header.
+    #[inline]
+    pub fn mode(&self) -> Option<u64> {
+        match &self.header {
+            MemberHeader::Common(header) => parse_u64_digits(&header.mode, 8),
+            MemberHeader::AixBig(header) => parse_u64_digits(&header.mode, 8),
+        }
+    }
+
+    /// Return the offset and size of the file data.
+    pub fn file_range(&self) -> (u64, u64) {
+        (self.offset, self.size)
+    }
+
+    /// Return the file data.
+    #[inline]
+    pub fn data<R: ReadRef<'data>>(&self, data: R) -> read::Result<&'data [u8]> {
+        data.read_bytes_at(self.offset, self.size)
+            .read_error("Archive member size is too large")
+    }
+}
+
+// Ignores bytes starting from the first space.
+fn parse_u64_digits(digits: &[u8], radix: u32) -> Option<u64> {
+    if let [b' ', ..] = digits {
+        return None;
+    }
+    let mut result: u64 = 0;
+    for &c in digits {
+        if c == b' ' {
+            return Some(result);
+        } else {
+            let x = (c as char).to_digit(radix)?;
+            result = result
+                .checked_mul(u64::from(radix))?
+                .checked_add(u64::from(x))?;
+        }
+    }
+    Some(result)
+}
+
+fn parse_sysv_extended_name<'data>(digits: &[u8], names: &'data [u8]) -> Result<&'data [u8], ()> {
+    let offset = parse_u64_digits(digits, 10).ok_or(())?;
+    let offset = offset.try_into().map_err(|_| ())?;
+    let name_data = names.get(offset..).ok_or(())?;
+    let name = match memchr::memchr2(b'/', b'\0', name_data) {
+        Some(len) => &name_data[..len],
+        None => name_data,
+    };
+    Ok(name)
+}
+
+/// Modifies `data` to start after the extended name.
+fn parse_bsd_extended_name<'data, R: ReadRef<'data>>(
+    digits: &[u8],
+    data: R,
+    offset: &mut u64,
+    size: &mut u64,
+) -> Result<&'data [u8], ()> {
+    let len = parse_u64_digits(digits, 10).ok_or(())?;
+    *size = size.checked_sub(len).ok_or(())?;
+    let name_data = data.read_bytes(offset, len)?;
+    let name = match memchr::memchr(b'\0', name_data) {
+        Some(len) => &name_data[..len],
+        None => name_data,
+    };
+    Ok(name)
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn kind() {
+        let data = b"!<arch>\n";
+        let archive = ArchiveFile::parse(&data[..]).unwrap();
+        assert_eq!(archive.kind(), ArchiveKind::Unknown);
+
+        let data = b"\
+            !<arch>\n\
+            /                                               4         `\n\
+            0000";
+        let archive = ArchiveFile::parse(&data[..]).unwrap();
+        assert_eq!(archive.kind(), ArchiveKind::Gnu);
+
+        let data = b"\
+            !<arch>\n\
+            //                                              4         `\n\
+            0000";
+        let archive = ArchiveFile::parse(&data[..]).unwrap();
+        assert_eq!(archive.kind(), ArchiveKind::Gnu);
+
+        let data = b"\
+            !<arch>\n\
+            /                                               4         `\n\
+            0000\
+            //                                              4         `\n\
+            0000";
+        let archive = ArchiveFile::parse(&data[..]).unwrap();
+        assert_eq!(archive.kind(), ArchiveKind::Gnu);
+
+        let data = b"\
+            !<arch>\n\
+            /SYM64/                                         4         `\n\
+            0000";
+        let archive = ArchiveFile::parse(&data[..]).unwrap();
+        assert_eq!(archive.kind(), ArchiveKind::Gnu64);
+
+        let data = b"\
+            !<arch>\n\
+            /SYM64/                                         4         `\n\
+            0000\
+            //                                              4         `\n\
+            0000";
+        let archive = ArchiveFile::parse(&data[..]).unwrap();
+        assert_eq!(archive.kind(), ArchiveKind::Gnu64);
+
+        let data = b"\
+            !<arch>\n\
+            __.SYMDEF                                       4         `\n\
+            0000";
+        let archive = ArchiveFile::parse(&data[..]).unwrap();
+        assert_eq!(archive.kind(), ArchiveKind::Bsd);
+
+        let data = b"\
+            !<arch>\n\
+            #1/9                                            13        `\n\
+            __.SYMDEF0000";
+        let archive = ArchiveFile::parse(&data[..]).unwrap();
+        assert_eq!(archive.kind(), ArchiveKind::Bsd);
+
+        let data = b"\
+            !<arch>\n\
+            #1/16                                           20        `\n\
+            __.SYMDEF SORTED0000";
+        let archive = ArchiveFile::parse(&data[..]).unwrap();
+        assert_eq!(archive.kind(), ArchiveKind::Bsd);
+
+        let data = b"\
+            !<arch>\n\
+            __.SYMDEF_64                                    4         `\n\
+            0000";
+        let archive = ArchiveFile::parse(&data[..]).unwrap();
+        assert_eq!(archive.kind(), ArchiveKind::Bsd64);
+
+        let data = b"\
+            !<arch>\n\
+            #1/12                                           16        `\n\
+            __.SYMDEF_640000";
+        let archive = ArchiveFile::parse(&data[..]).unwrap();
+        assert_eq!(archive.kind(), ArchiveKind::Bsd64);
+
+        let data = b"\
+            !<arch>\n\
+            #1/19                                           23        `\n\
+            __.SYMDEF_64 SORTED0000";
+        let archive = ArchiveFile::parse(&data[..]).unwrap();
+        assert_eq!(archive.kind(), ArchiveKind::Bsd64);
+
+        let data = b"\
+            !<arch>\n\
+            /                                               4         `\n\
+            0000\
+            /                                               4         `\n\
+            0000\
+            //                                              4         `\n\
+            0000";
+        let archive = ArchiveFile::parse(&data[..]).unwrap();
+        assert_eq!(archive.kind(), ArchiveKind::Coff);
+
+        let data = b"\
+            <bigaf>\n\
+            0                   0                   \
+            0                   0                   \
+            0                   128                 \
+            6                   0                   \
+            0                   \0\0\0\0\0\0\0\0\0\0\0\0\
+            \0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\
+            \0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\
+            \0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
+        let archive = ArchiveFile::parse(&data[..]).unwrap();
+        assert_eq!(archive.kind(), ArchiveKind::AixBig);
+    }
+
+    #[test]
+    fn gnu_names() {
+        let data = b"\
+            !<arch>\n\
+            //                                              18        `\n\
+            0123456789abcdef/\n\
+            s p a c e/      0           0     0     644     4         `\n\
+            0000\
+            0123456789abcde/0           0     0     644     3         `\n\
+            odd\n\
+            /0              0           0     0     644     4         `\n\
+            even";
+        let data = &data[..];
+        let archive = ArchiveFile::parse(data).unwrap();
+        assert_eq!(archive.kind(), ArchiveKind::Gnu);
+        let mut members = archive.members();
+
+        let member = members.next().unwrap().unwrap();
+        assert_eq!(member.name(), b"s p a c e");
+        assert_eq!(member.data(data).unwrap(), &b"0000"[..]);
+
+        let member = members.next().unwrap().unwrap();
+        assert_eq!(member.name(), b"0123456789abcde");
+        assert_eq!(member.data(data).unwrap(), &b"odd"[..]);
+
+        let member = members.next().unwrap().unwrap();
+        assert_eq!(member.name(), b"0123456789abcdef");
+        assert_eq!(member.data(data).unwrap(), &b"even"[..]);
+
+        assert!(members.next().is_none());
+    }
+
+    #[test]
+    fn bsd_names() {
+        let data = b"\
+            !<arch>\n\
+            0123456789abcde 0           0     0     644     3         `\n\
+            odd\n\
+            #1/16           0           0     0     644     20        `\n\
+            0123456789abcdefeven";
+        let data = &data[..];
+        let archive = ArchiveFile::parse(data).unwrap();
+        assert_eq!(archive.kind(), ArchiveKind::Unknown);
+        let mut members = archive.members();
+
+        let member = members.next().unwrap().unwrap();
+        assert_eq!(member.name(), b"0123456789abcde");
+        assert_eq!(member.data(data).unwrap(), &b"odd"[..]);
+
+        let member = members.next().unwrap().unwrap();
+        assert_eq!(member.name(), b"0123456789abcdef");
+        assert_eq!(member.data(data).unwrap(), &b"even"[..]);
+
+        assert!(members.next().is_none());
+    }
+
+    #[test]
+    fn aix_names() {
+        let data = b"\
+            <bigaf>\n\
+            396                 0                   0                   \
+            128                 262                 0                   \
+            4                   262                 0                   \
+            1662610370  223         1           644         16  \
+            0123456789abcdef`\nord\n\
+            4                   396                 128                 \
+            1662610374  223         1           644         16  \
+            fedcba9876543210`\nrev\n\
+            94                  0                   262                 \
+            0           0           0           0           0   \
+            `\n2                   128                 \
+            262                 0123456789abcdef\0fedcba9876543210\0";
+        let data = &data[..];
+        let archive = ArchiveFile::parse(data).unwrap();
+        assert_eq!(archive.kind(), ArchiveKind::AixBig);
+        let mut members = archive.members();
+
+        let member = members.next().unwrap().unwrap();
+        assert_eq!(member.name(), b"0123456789abcdef");
+        assert_eq!(member.data(data).unwrap(), &b"ord\n"[..]);
+
+        let member = members.next().unwrap().unwrap();
+        assert_eq!(member.name(), b"fedcba9876543210");
+        assert_eq!(member.data(data).unwrap(), &b"rev\n"[..]);
+
+        assert!(members.next().is_none());
+    }
+}