Method search_patterns

crates/memtrack/src/allocators/dynamic.rs:6–41

Build glob patterns for finding this allocator's shared libraries.

(&self)

impl AllocatorKind {
    /// Build glob patterns for finding this allocator's shared libraries.
    fn search_patterns(&self) -> Vec<String> {
        const LIB_DIRS: &[&str] = &[
            // Debian, Ubuntu: multiarch paths
            "/lib/*-linux-gnu",
            "/usr/lib/*-linux-gnu",
            // RHEL, Fedora, CentOS, Arch
            "/lib*",
            "/usr/lib*",
            // Local installs
            "/usr/local/lib*",
        ];

        let (filenames, nix_hints): (&[&str], &[&str]) = match self {
            AllocatorKind::Libc => (&["libc.so.6"], &["glibc"]),
            AllocatorKind::LibCpp => (&["libstdc++.so*"], &["gcc"]),
            AllocatorKind::Jemalloc => (&["libjemalloc.so*"], &["jemalloc"]),
            AllocatorKind::Mimalloc => (&["libmimalloc.so*"], &["mimalloc"]),
            AllocatorKind::Tcmalloc => (&["libtcmalloc*.so*"], &["tcmalloc", "gperftools"]),
        };

        let mut patterns = Vec::new();

        for dir in LIB_DIRS {
            for filename in filenames {
                patterns.push(format!("{dir}/{filename}"));
            }
        }

        for hint in nix_hints {
            for filename in filenames {
                patterns.push(format!("/nix/store/*{hint}*/lib/{filename}"));
            }
        }

        patterns
    }
}

/// Find dynamically linked allocator libraries on the system.