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68 lines
2.0 KiB
68 lines
2.0 KiB
use bindgen::callbacks::IntKind;
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use bindgen::callbacks::ParseCallbacks;
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use std::env;
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use std::path::PathBuf;
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#[derive(Debug)]
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struct Callbacks;
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impl ParseCallbacks for Callbacks {
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fn int_macro(&self, name: &str, _value: i64) -> Option<IntKind> {
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match name {
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"MDB_SUCCESS"
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| "MDB_KEYEXIST"
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| "MDB_NOTFOUND"
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| "MDB_PAGE_NOTFOUND"
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| "MDB_CORRUPTED"
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| "MDB_PANIC"
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| "MDB_VERSION_MISMATCH"
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| "MDB_INVALID"
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| "MDB_MAP_FULL"
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| "MDB_DBS_FULL"
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| "MDB_READERS_FULL"
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| "MDB_TLS_FULL"
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| "MDB_TXN_FULL"
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| "MDB_CURSOR_FULL"
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| "MDB_PAGE_FULL"
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| "MDB_MAP_RESIZED"
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| "MDB_INCOMPATIBLE"
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| "MDB_BAD_RSLOT"
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| "MDB_BAD_TXN"
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| "MDB_BAD_VALSIZE"
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| "MDB_BAD_DBI"
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| "MDB_LAST_ERRCODE" => Some(IntKind::Int),
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_ => Some(IntKind::UInt),
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}
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}
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}
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pub fn generate() {
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let mut lmdb = PathBuf::from(&env::var("CARGO_MANIFEST_DIR").unwrap());
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lmdb.push("lmdb");
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lmdb.push("libraries");
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lmdb.push("liblmdb");
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let mut out_path = PathBuf::from(&env::var("CARGO_MANIFEST_DIR").unwrap());
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out_path.push("src");
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let bindings = bindgen::Builder::default()
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.header(lmdb.join("lmdb.h").to_string_lossy())
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.whitelist_var("^(MDB|mdb)_.*")
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.whitelist_type("^(MDB|mdb)_.*")
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.whitelist_function("^(MDB|mdb)_.*")
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.size_t_is_usize(true)
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.ctypes_prefix("::libc")
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.blacklist_item("mode_t")
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.blacklist_item("filehandle_t")
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.blacklist_item("^__.*")
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.parse_callbacks(Box::new(Callbacks {}))
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.layout_tests(false)
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.prepend_enum_name(false)
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.rustfmt_bindings(true)
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.generate()
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.expect("Unable to generate bindings");
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bindings
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.write_to_file(out_path.join("bindings.rs"))
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.expect("Couldn't write bindings!");
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}
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