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By pulling out the parallel hashing setup from `CodeSignature.zig`, we can now reuse it different places across MachO linker (for now; I can totally see its usefulness beyond MachO, eg. in COFF or ELF too). The parallel hasher is generic over actual hasher such as Sha256 or MD5. The implementation is kept as it was. For UUID calculation, depending on the linking mode: * incremental - since it only supports debug mode, we don't bother with MD5 hashing of the contents, and populate it with random data but only once per a sequence of in-place binary patches * traditional - in debug, we use random string (for speed); in release, we calculate the hash, however we use LLVM/LLD's trick in that we calculate a series of MD5 hashes in parallel and then one an MD5 of MD5 final hash to generate digest.
A general-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
Resources
- Introduction
- Download & Documentation
- Chapter 0 - Getting Started | ZigLearn.org
- Community
- Contributing
- Code of Conduct
- Frequently Asked Questions
- Community Projects
Installation
- download a pre-built binary
- install from a package manager
- build from source
- bootstrap zig for any target
License
The ultimate goal of the Zig project is to serve users. As a first-order effect, this means users of the compiler, helping programmers to write better software. Even more important, however, are the end-users.
Zig is intended to be used to help end-users accomplish their goals. Zig should be used to empower end-users, never to exploit them financially, or to limit their freedom to interact with hardware or software in any way.
However, such problems are best solved with social norms, not with software licenses. Any attempt to complicate the software license of Zig would risk compromising the value Zig provides.
Therefore, Zig is available under the MIT (Expat) License, and comes with a humble request: use it to make software better serve the needs of end-users.
This project redistributes code from other projects, some of which have other licenses besides MIT. Such licenses are generally similar to the MIT license for practical purposes. See the subdirectories and files inside lib/ for more details.