//https://github.com/dmgk/zig-uuid const std = @import("std"); const crypto = std.crypto; const fmt = std.fmt; const testing = std.testing; pub const Error = error{InvalidUUID}; const UUID = @This(); bytes: [16]u8, pub fn init() UUID { var uuid = UUID{ .bytes = undefined }; crypto.random.bytes(&uuid.bytes); // Version 4 uuid.bytes[6] = (uuid.bytes[6] & 0x0f) | 0x40; // Variant 1 uuid.bytes[8] = (uuid.bytes[8] & 0x3f) | 0x80; return uuid; } // Indices in the UUID string representation for each byte. const encoded_pos = [16]u8{ 0, 2, 4, 6, 9, 11, 14, 16, 19, 21, 24, 26, 28, 30, 32, 34 }; // Hex to nibble mapping. const hex_to_nibble = [256]u8{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, }; pub fn format( self: UUID, comptime layout: []const u8, options: fmt.FormatOptions, writer: anytype, ) !void { _ = options; // currently unused if (layout.len != 0 and layout[0] != 's') @compileError("Unsupported format specifier for UUID type: '" ++ layout ++ "'."); var buf: [36]u8 = undefined; const hex = "0123456789abcdef"; buf[8] = '-'; buf[13] = '-'; buf[18] = '-'; buf[23] = '-'; inline for (encoded_pos) |i, j| { buf[i + 0] = hex[self.bytes[j] >> 4]; buf[i + 1] = hex[self.bytes[j] & 0x0f]; } try fmt.format(writer, "{s}", .{buf}); } pub fn parse(buf: []const u8) Error!UUID { var uuid = UUID{ .bytes = undefined }; if (buf.len != 36 or buf[8] != '-' or buf[13] != '-' or buf[18] != '-' or buf[23] != '-') return Error.InvalidUUID; inline for (encoded_pos) |i, j| { const hi = hex_to_nibble[buf[i + 0]]; const lo = hex_to_nibble[buf[i + 1]]; if (hi == 0xff or lo == 0xff) { return Error.InvalidUUID; } uuid.bytes[j] = hi << 4 | lo; } return uuid; } // Zero UUID pub const zero: UUID = .{ .bytes = .{0} ** 16 }; // Convenience function to return a new v4 UUID. pub fn newV4() UUID { return UUID.init(); } 25519-tests Unnamed repository; edit this file 'description' to name the repository.
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2022-11-30Fix console.log regression with emojiGravatar Jarred Sumner 2-2/+6
2022-11-30Redirect imports to `"readable-stream"` -> `"node:stream"`Gravatar Jarred Sumner 1-1/+4
2022-11-30Accidentally deleted `prompt` as a result of the process.env changesGravatar Jarred Sumner 2-7/+1
2022-11-29:scissors:Gravatar Jarred Sumner 5-626/+7
2022-11-29Remove some dead bindings codeGravatar Jarred Sumner 7-1401/+69
2022-11-29import everything from "bun" where possibleGravatar Jarred Sumner 161-739/+621
2022-11-28Make .toInt64 fasterGravatar Jarred Sumner 1-0/+8
2022-11-28Handle when the process already exited immediatelyGravatar Jarred Sumner 3-38/+47
2022-11-28toHaveProperty and tests (#1558)Gravatar Dylan Conway 8-118/+532
2022-11-28Fix failing spawn() and spawnSync() testsGravatar Jarred Sumner 7-143/+317
2022-11-28Update README.mdGravatar Jarred Sumner 1-1/+26
2022-11-28Update README.mdGravatar Jarred Sumner 1-5/+5
2022-11-28Add small section about profiling bunGravatar Jarred Sumner 1-0/+171
2022-11-28Fix hanging in FIFO streamsGravatar Jarred Sumner 1-1/+2
2022-11-28[internal] Add debug timerGravatar Jarred Sumner 2-2/+33
2022-11-28Ensure we report errors in controller.closeGravatar Jarred Sumner 1-1/+9
2022-11-28Update JSEnvironmentVariableMap.cppGravatar Jarred Sumner 1-1/+1
2022-11-28Allow overriding node:fsGravatar Jarred Sumner 1-0/+9
2022-11-28Add test for processGravatar Jarred Sumner 1-3/+14
2022-11-28Fix process.env and Bun.env object spreadGravatar Jarred Sumner 8-204/+127
2022-11-27Fix `console.log(process.env)`Gravatar Jarred Sumner 2-20/+27