Use odpic-sys and remove binding code to ODPI-C

Cargo.toml

@@ -4,7 +4,6 @@
 name = "oracle"
 version = "0.6.3-dev"
 authors = ["Kubo Takehiro <[email protected]>"]
-build = "build.rs"
 repository = "https://github.com/kubo/rust-oracle"
 license = "UPL-1.0/Apache-2.0"
 keywords = ["oracle", "database"]
@@ -25,6 +24,7 @@ once_cell = "1.19.0"
 paste = "1.0.5"
 chrono = { version = "0.4.20", optional = true, default-features = false, features = ["clock"] }
 oracle_procmacro = { version = "0.1.2", path = "./oracle_procmacro" }
+odpic-sys = "=0.1.0" # ODPI-C 5.4.0
 
 [target.'cfg(windows)'.dependencies]
 rustversion = "1.0"

README.md

@@ -10,9 +10,9 @@ This is an [Oracle database][] driver for [Rust][] based on [ODPI-C][].
 
 See [ChangeLog.md](https://github.com/kubo/rust-oracle/blob/master/ChangeLog.md).
 
-## Build-time Requirements
+## Compile-time Requirements
 
-* C compiler. See `Compile-time Requirements` in [this document](https://github.com/alexcrichton/cc-rs#compile-time-requirements).
+* C compiler. See [`Compile-time Requirements`](https://docs.rs/cc/latest/cc/#compile-time-requirements).
 
 ## Run-time Requirements
 
@@ -259,7 +259,7 @@ Oracle-related crates:
 
 ## License
 
-Rust-oracle and ODPI-C bundled in rust-oracle are under the terms of:
+Rust-oracle is under the terms of:
 
 1. [the Universal Permissive License v 1.0 or at your option, any later version](http://oss.oracle.com/licenses/upl); and/or
 2. [the Apache License v 2.0](http://www.apache.org/licenses/LICENSE-2.0).

src/aq.rs

@@ -100,7 +100,6 @@
 //! # Ok::<(), Error>(())
 //! ```
 
-use crate::binding::*;
 use crate::chkerr;
 use crate::connection::Conn;
 use crate::sql_type::Object;
@@ -116,6 +115,7 @@ use crate::DpiQueue;
 use crate::Error;
 use crate::OdpiStr;
 use crate::Result;
+use odpic_sys::*;
 use std::borrow::ToOwned;
 use std::fmt;
 use std::marker::PhantomData;

src/batch.rs

@@ -30,7 +30,6 @@
 // authors and should not be interpreted as representing official policies, either expressed
 // or implied, of the authors.
 
-use crate::binding::*;
 use crate::chkerr;
 use crate::error::DPI_ERR_BUFFER_SIZE_TOO_SMALL;
 use crate::private;
@@ -48,6 +47,7 @@ use crate::SqlValue;
 #[cfg(doc)]
 use crate::Statement;
 use crate::StatementType;
+use odpic_sys::*;
 use std::convert::TryFrom;
 use std::fmt;
 use std::mem::MaybeUninit;