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| author |  Hugo van der Wijst <hvanderwijst@tesla.com>
| 2019-01-22 15:23:16 -0800 |
|---|---|---|
| committer |  Jorge Aparicio <jorge@japaric.io>
| 2019-02-16 00:23:01 +0100 |
| commit | a654d13eefa846b9dc7fcdc1ccf5af43fc33834e (patch) | |
| tree | ce780231e9857112166fe082e78388f26f27115c /macros/src | |
| parent | 82c533cbf43c56da0960de7b48e7a6d1cc8defd0 (diff) | |
| download | rtic-a654d13eefa846b9dc7fcdc1ccf5af43fc33834e.tar.gz rtic-a654d13eefa846b9dc7fcdc1ccf5af43fc33834e.tar.zst rtic-a654d13eefa846b9dc7fcdc1ccf5af43fc33834e.zip | |
Seed RNG with package name and prepend string to full random name.
Diffstat (limited to 'macros/src')
| -rw-r--r-- | macros/src/codegen.rs | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/macros/src/codegen.rs b/macros/src/codegen.rs index 9eb875c7..9fc0e271 100644 --- a/macros/src/codegen.rs +++ b/macros/src/codegen.rs @@ -1998,7 +1998,12 @@ struct IdentGenerator { impl IdentGenerator { fn new() -> IdentGenerator { - IdentGenerator { rng: rand::rngs::SmallRng::seed_from_u64(0) } + let crate_name = env!("CARGO_PKG_NAME"); + let seed = [0u8; 16]; + for (i, b) in crate_name.bytes().enumerate() { + seed[i%seed.len()].wrapping_add(b); + } + IdentGenerator { rng: rand::rngs::SmallRng::from_seed(seed) } } fn mk_ident(&mut self, name: Option<&str>) -> Ident { @@ -2007,8 +2012,9 @@ impl IdentGenerator { n = 4; format!("{}_", name) } else { + let crate_name = env!("CARGO_PKG_NAME").replace("-", "_").to_lowercase(); n = 16; - String::new() + format!("{}__internal__", crate_name) }; for i in 0..n { |