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16 lines
678 B
TypeScript
16 lines
678 B
TypeScript
/**
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* `sizeof(sun_path)` per OS, including the terminating NUL: 108 on Linux (and
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* Windows AF_UNIX), 104 on macOS/BSD. Compare against byte length, not
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* character count — a non-ASCII path costs more bytes than characters.
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*/
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const SUN_PATH_SIZE: Record<'linux' | 'darwin', number> = { linux: 108, darwin: 104 }
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/** Longest socket path, in UTF-8 bytes, that fits `sun_path` beside its NUL. */
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function unixSocketPathByteLimit(os: 'linux' | 'darwin'): number {
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return SUN_PATH_SIZE[os] - 1
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}
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export function unixSocketPathFits(socketPath: string, os: 'linux' | 'darwin'): boolean {
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return new TextEncoder().encode(socketPath).length <= unixSocketPathByteLimit(os)
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}
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