Alas, this means we can't use sprintf() anymore. Ugh.

This is safer for signal handlers.

This is useful especially in signal handlers where malloc() is potentially unsafe.

fix const-correctness on AnyPointer equality checks

Log unknown Transfer-Encoding values in kj-http

Printf debugging at its finest.

Allow .cmd/.bat files as compiler plugins on Windows.

Fixes #487
Fixes #695

Fix handling of disconnect during WebSocket::pumpTo().

Before this change, if *either* the `from` or the `to` end of the pump threw a DISCONNECTED exception, we'd then try to call `to.disconnect()`. But if the exception had been thrown from `to` in the first place, then this would throw again, this time complaining about a previous write not having completed. But the whole point was always to propagate errors from the *receiving* end to the sending end. An error on the sending end should just propagate up the stack.

Add GzipAsyncOutputStream::Decompress and ::flush

Move generic gzip output operations to private helper for easier sharing of capabilities between GzipOutputStream and GzipAsyncOutputStream.

 - Makes it possible to decompress data granularly via push-based API.
 - Adds ability to flush output at an arbitrary point.
 - Removes manual `ended` check as zlib checks it for us.

Contents of kj-gzip are guarded by KJ_HAS_ZLIB, but the library itself should be still added unconditionally to non-CAPNP_LITE build for tests to link properly.

Add limit to readAllBytes()/readAllText()

Reading an unbounded amount of data from a stream is a potential DoS vector. To manage this risk, readAllText() and readAllBytes() now accept a `limit` parameter. For source backwards-compatibility, this limit defaults to kj::maxValue.

Fix a typo

s/starp/strap/

Fix chunked body gather-write test.

The braced array literals seem to be constructed as temporaries. The test passes in debug builds, but in optimized builds, the arrays have been overwritten by the time they are used.

Chunked body fixes in kj-http

The gather-write and tryPumpFrom() member functions weren't encoding their chunk sizes in hex, and the gather-write case had an off-by-n error building the body data pieces.

Allow hash signs in path and query components in kj::Url request contexts

Occasionally servers processing HTTP requests will see URLs in the wild which have unescaped hash signs in path and query components. This change allows kj::Url to parse such URLs in the Url::HTTP_REQUEST and Url::HTTP_PROXY_REQUEST contexts.

Add sychronous gzip stream implementations.

I was shocked to find that there was no good way to represent a multi-line literal currently. This implements C-style literals, where multiple consecutive string literals are concatenated.

Similar methods already exist on AsyncInputStream.

Really actually fix HttpServer::drain().

It turns out I was testing it wrong, and it still doesn't work. :(

Fix regressions in HTTP drain.

Rewrite JSON decoding