1 files changed, 0 insertions, 229 deletions
diff --git a/vendor/rand/src/reseeding.rs b/vendor/rand/src/reseeding.rs
deleted file mode 100644
index 1f24e20..0000000
--- a/vendor/rand/src/reseeding.rs
+++ /dev/null
@@ -1,229 +0,0 @@
-// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-//! A wrapper around another RNG that reseeds it after it
-//! generates a certain number of random bytes.
-
-use core::default::Default;
-
-use {Rng, SeedableRng};
-
-/// How many bytes of entropy the underling RNG is allowed to generate
-/// before it is reseeded
-const DEFAULT_GENERATION_THRESHOLD: u64 = 32 * 1024;
-
-/// A wrapper around any RNG which reseeds the underlying RNG after it
-/// has generated a certain number of random bytes.
-#[derive(Debug)]
-pub struct ReseedingRng<R, Rsdr> {
-    rng: R,
-    generation_threshold: u64,
-    bytes_generated: u64,
-    /// Controls the behaviour when reseeding the RNG.
-    pub reseeder: Rsdr,
-}
-
-impl<R: Rng, Rsdr: Reseeder<R>> ReseedingRng<R, Rsdr> {
-    /// Create a new `ReseedingRng` with the given parameters.
-    ///
-    /// # Arguments
-    ///
-    /// * `rng`: the random number generator to use.
-    /// * `generation_threshold`: the number of bytes of entropy at which to reseed the RNG.
-    /// * `reseeder`: the reseeding object to use.
-    pub fn new(rng: R, generation_threshold: u64, reseeder: Rsdr) -> ReseedingRng<R,Rsdr> {
-        ReseedingRng {
-            rng: rng,
-            generation_threshold: generation_threshold,
-            bytes_generated: 0,
-            reseeder: reseeder
-        }
-    }
-
-    /// Reseed the internal RNG if the number of bytes that have been
-    /// generated exceed the threshold.
-    pub fn reseed_if_necessary(&mut self) {
-        if self.bytes_generated >= self.generation_threshold {
-            self.reseeder.reseed(&mut self.rng);
-            self.bytes_generated = 0;
-        }
-    }
-}
-
-
-impl<R: Rng, Rsdr: Reseeder<R>> Rng for ReseedingRng<R, Rsdr> {
-    fn next_u32(&mut self) -> u32 {
-        self.reseed_if_necessary();
-        self.bytes_generated += 4;
-        self.rng.next_u32()
-    }
-
-    fn next_u64(&mut self) -> u64 {
-        self.reseed_if_necessary();
-        self.bytes_generated += 8;
-        self.rng.next_u64()
-    }
-
-    fn fill_bytes(&mut self, dest: &mut [u8]) {
-        self.reseed_if_necessary();
-        self.bytes_generated += dest.len() as u64;
-        self.rng.fill_bytes(dest)
-    }
-}
-
-impl<S, R: SeedableRng<S>, Rsdr: Reseeder<R> + Default>
-     SeedableRng<(Rsdr, S)> for ReseedingRng<R, Rsdr> {
-    fn reseed(&mut self, (rsdr, seed): (Rsdr, S)) {
-        self.rng.reseed(seed);
-        self.reseeder = rsdr;
-        self.bytes_generated = 0;
-    }
-
-    /// Create a new `ReseedingRng` from the given reseeder and
-    /// seed. This uses a default value for `generation_threshold`.
-    fn from_seed((rsdr, seed): (Rsdr, S)) -> ReseedingRng<R, Rsdr> {
-        ReseedingRng {
-            rng: SeedableRng::from_seed(seed),
-            generation_threshold: DEFAULT_GENERATION_THRESHOLD,
-            bytes_generated: 0,
-            reseeder: rsdr
-        }
-    }
-}
-
-/// Something that can be used to reseed an RNG via `ReseedingRng`.
-///
-/// # Example
-///
-/// ```rust
-/// use rand::{Rng, SeedableRng, StdRng};
-/// use rand::reseeding::{Reseeder, ReseedingRng};
-///
-/// struct TickTockReseeder { tick: bool }
-/// impl Reseeder<StdRng> for TickTockReseeder {
-///     fn reseed(&mut self, rng: &mut StdRng) {
-///         let val = if self.tick {0} else {1};
-///         rng.reseed(&[val]);
-///         self.tick = !self.tick;
-///     }
-/// }
-/// fn main() {
-///     let rsdr = TickTockReseeder { tick: true };
-///
-///     let inner = StdRng::new().unwrap();
-///     let mut rng = ReseedingRng::new(inner, 10, rsdr);
-///
-///     // this will repeat, because it gets reseeded very regularly.
-///     let s: String = rng.gen_ascii_chars().take(100).collect();
-///     println!("{}", s);
-/// }
-///
-/// ```
-pub trait Reseeder<R> {
-    /// Reseed the given RNG.
-    fn reseed(&mut self, rng: &mut R);
-}
-
-/// Reseed an RNG using a `Default` instance. This reseeds by
-/// replacing the RNG with the result of a `Default::default` call.
-#[derive(Clone, Copy, Debug)]
-pub struct ReseedWithDefault;
-
-impl<R: Rng + Default> Reseeder<R> for ReseedWithDefault {
-    fn reseed(&mut self, rng: &mut R) {
-        *rng = Default::default();
-    }
-}
-impl Default for ReseedWithDefault {
-    fn default() -> ReseedWithDefault { ReseedWithDefault }
-}
-
-#[cfg(test)]
-mod test {
-    use std::default::Default;
-    use std::iter::repeat;
-    use super::{ReseedingRng, ReseedWithDefault};
-    use {SeedableRng, Rng};
-
-    struct Counter {
-        i: u32
-    }
-
-    impl Rng for Counter {
-        fn next_u32(&mut self) -> u32 {
-            self.i += 1;
-            // very random
-            self.i - 1
-        }
-    }
-    impl Default for Counter {
-        fn default() -> Counter {
-            Counter { i: 0 }
-        }
-    }
-    impl SeedableRng<u32> for Counter {
-        fn reseed(&mut self, seed: u32) {
-            self.i = seed;
-        }
-        fn from_seed(seed: u32) -> Counter {
-            Counter { i: seed }
-        }
-    }
-    type MyRng = ReseedingRng<Counter, ReseedWithDefault>;
-
-    #[test]
-    fn test_reseeding() {
-        let mut rs = ReseedingRng::new(Counter {i:0}, 400, ReseedWithDefault);
-
-        let mut i = 0;
-        for _ in 0..1000 {
-            assert_eq!(rs.next_u32(), i % 100);
-            i += 1;
-        }
-    }
-
-    #[test]
-    fn test_rng_seeded() {
-        let mut ra: MyRng = SeedableRng::from_seed((ReseedWithDefault, 2));
-        let mut rb: MyRng = SeedableRng::from_seed((ReseedWithDefault, 2));
-        assert!(::test::iter_eq(ra.gen_ascii_chars().take(100),
-                                rb.gen_ascii_chars().take(100)));
-    }
-
-    #[test]
-    fn test_rng_reseed() {
-        let mut r: MyRng = SeedableRng::from_seed((ReseedWithDefault, 3));
-        let string1: String = r.gen_ascii_chars().take(100).collect();
-
-        r.reseed((ReseedWithDefault, 3));
-
-        let string2: String = r.gen_ascii_chars().take(100).collect();
-        assert_eq!(string1, string2);
-    }
-
-    const FILL_BYTES_V_LEN: usize = 13579;
-    #[test]
-    fn test_rng_fill_bytes() {
-        let mut v = repeat(0u8).take(FILL_BYTES_V_LEN).collect::<Vec<_>>();
-        ::test::rng().fill_bytes(&mut v);
-
-        // Sanity test: if we've gotten here, `fill_bytes` has not infinitely
-        // recursed.
-        assert_eq!(v.len(), FILL_BYTES_V_LEN);
-
-        // To test that `fill_bytes` actually did something, check that the
-        // average of `v` is not 0.
-        let mut sum = 0.0;
-        for &x in v.iter() {
-            sum += x as f64;
-        }
-        assert!(sum / v.len() as f64 != 0.0);
-    }
-}