48 lines
822 B
JavaScript
48 lines
822 B
JavaScript
/**
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* This is all the nasty ffi setup for the bun runtime
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*/
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import { dlopen, ptr, suffix } from 'bun:ffi';
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import { IFFI } from '../common/types.ts';
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const getLib = (name: string) => {
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return dlopen(
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name,
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{
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tcgetattr: {
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args: ['i32', 'pointer'],
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returns: 'i32',
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},
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tcsetattr: {
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args: ['i32', 'i32', 'pointer'],
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returns: 'i32',
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},
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cfmakeraw: {
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args: ['pointer'],
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returns: 'void',
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},
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},
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);
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};
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let cStdLib: any = { symbols: {} };
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try {
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cStdLib = getLib(`libc.${suffix}`);
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} catch {
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try {
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cStdLib = getLib(`libc.${suffix}.6`);
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} catch {
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throw new Error('Could not find c standard library');
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}
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}
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const { tcgetattr, tcsetattr, cfmakeraw } = cStdLib.symbols;
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const BunFFI: IFFI = {
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tcgetattr,
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tcsetattr,
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cfmakeraw,
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getPointer: ptr,
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};
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export default BunFFI;
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