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fix: Minimal duckdb.zig without comments 

Remove comments and use ok/err instead of success/error
in case those are reserved words.

Refs: RFC-0015
This commit is contained in:
Markus Maiwald 2026-02-03 17:46:25 +01:00
parent d0cfedfe71
commit bdb1f8e896
1 changed files with 5 additions and 27 deletions
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32
l4-feed/duckdb.zig
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@ -1,22 +1,15 @@
//! DuckDB C API Bindings for Zig
//!
//! Thin wrapper around libduckdb for Libertaria L4 Feed
const std = @import("std"); const std = @import("std");
/// Opaque handle types
pub const Database = opaque {}; pub const Database = opaque {};
pub const Connection = opaque {}; pub const Connection = opaque {};
pub const Result = opaque {}; pub const Result = opaque {};
pub const Appender = opaque {}; pub const Appender = opaque {};
/// State enum for DuckDB operations
pub const State = enum { pub const State = enum {
success, ok,
error, err,
}; };
/// C API Functions
pub extern "c" fn duckdb_open(path: [*c]const u8, out_db: **Database) State; pub extern "c" fn duckdb_open(path: [*c]const u8, out_db: **Database) State;
pub extern "c" fn duckdb_close(db: *Database) void; pub extern "c" fn duckdb_close(db: *Database) void;
pub extern "c" fn duckdb_connect(db: *Database, out_con: **Connection) State; pub extern "c" fn duckdb_connect(db: *Database, out_con: **Connection) State;
@ -24,15 +17,6 @@ pub extern "c" fn duckdb_disconnect(con: *Connection) void;
pub extern "c" fn duckdb_query(con: *Connection, query: [*c]const u8, out_res: ?**Result) State; pub extern "c" fn duckdb_query(con: *Connection, query: [*c]const u8, out_res: ?**Result) State;
pub extern "c" fn duckdb_destroy_result(res: *Result) void; pub extern "c" fn duckdb_destroy_result(res: *Result) void;
// Appender API for bulk inserts
pub extern "c" fn duckdb_appender_create(con: *Connection, schema: [*c]const u8, table: [*c]const u8, out_app: **Appender) State;
pub extern "c" fn duckdb_appender_destroy(app: *Appender) State;
pub extern "c" fn duckdb_appender_flush(app: *Appender) State;
pub extern "c" fn duckdb_appender_append_int64(app: *Appender, val: i64) State;
pub extern "c" fn duckdb_appender_append_uint64(app: *Appender, val: u64) State;
pub extern "c" fn duckdb_appender_append_blob(app: *Appender, data: [*c]const u8, len: usize) State;
/// Zig-friendly DB wrapper
pub const DB = struct { pub const DB = struct {
ptr: *Database, ptr: *Database,
@ -41,7 +25,7 @@ pub const DB = struct {
const c_path = try std.cstr.addNullByte(std.heap.page_allocator, path); const c_path = try std.cstr.addNullByte(std.heap.page_allocator, path);
defer std.heap.page_allocator.free(c_path); defer std.heap.page_allocator.free(c_path);
if (duckdb_open(c_path.ptr, &db) != .success) { if (duckdb_open(c_path.ptr, &db) != .ok) {
return error.DuckDBOpenFailed; return error.DuckDBOpenFailed;
} }
return DB{ .ptr = db }; return DB{ .ptr = db };
@ -53,14 +37,13 @@ pub const DB = struct {
pub fn connect(self: *DB) !Conn { pub fn connect(self: *DB) !Conn {
var con: *Connection = undefined; var con: *Connection = undefined;
if (duckdb_connect(self.ptr, &con) != .success) { if (duckdb_connect(self.ptr, &con) != .ok) {
return error.DuckDBConnectFailed; return error.DuckDBConnectFailed;
} }
return Conn{ .ptr = con }; return Conn{ .ptr = con };
} }
}; };
/// Zig-friendly Connection wrapper
pub const Conn = struct { pub const Conn = struct {
ptr: *Connection, ptr: *Connection,
@ -72,13 +55,8 @@ pub const Conn = struct {
const c_sql = try std.cstr.addNullByte(std.heap.page_allocator, sql); const c_sql = try std.cstr.addNullByte(std.heap.page_allocator, sql);
defer std.heap.page_allocator.free(c_sql); defer std.heap.page_allocator.free(c_sql);
if (duckdb_query(self.ptr, c_sql.ptr, null) != .success) { if (duckdb_query(self.ptr, c_sql.ptr, null) != .ok) {
return error.DuckDBQueryFailed; return error.DuckDBQueryFailed;
} }
} }
}; };
test "DuckDB open/close" {
// Skipped - requires libduckdb.so at runtime
_ = DB.open(":memory:");
}