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This is an example of documentation generated by ZigDoc, an alternative to Zig's built-in Auto Doc feature. See also examples in other modes/formats. The project being documented here (as the example) is the Zig standard library. Private Function

parseVersionQuad

Doc Source

Private Function

std.zig.WindowsSdk.MsvcLibDir.parseVersionQuad

fn parseVersionQuad(version: []const u8) error

Intended to be equivalent to ISetupHelper.ParseVersion Example: 17.4.33205.214 -> 0x0011000481b500d6

Params

version: []const u8

File

zig/WindowsSdk.zig:775

    fn parseVersionQuad(version: []const u8) error{InvalidVersion}!u64 {
        var it = std.mem.splitScalar(u8, version, '.');
        const a = it.first();
        const b = it.next() orelse return error.InvalidVersion;
        const c = it.next() orelse return error.InvalidVersion;
        const d = it.next() orelse return error.InvalidVersion;
        if (it.next()) |_| return error.InvalidVersion;
        var result: u64 = undefined;
        var result_bytes = std.mem.asBytes(&result);

        std.mem.writeInt(
            u16,
            result_bytes[0..2],
            std.fmt.parseUnsigned(u16, d, 10) catch return error.InvalidVersion,
            .little,
        );
        std.mem.writeInt(
            u16,
            result_bytes[2..4],
            std.fmt.parseUnsigned(u16, c, 10) catch return error.InvalidVersion,
            .little,
        );
        std.mem.writeInt(
            u16,
            result_bytes[4..6],
            std.fmt.parseUnsigned(u16, b, 10) catch return error.InvalidVersion,
            .little,
        );
        std.mem.writeInt(
            u16,
            result_bytes[6..8],
            std.fmt.parseUnsigned(u16, a, 10) catch return error.InvalidVersion,
            .little,
        );

        return result;
    }