Removed the unsafe nxt_memcmp() wrapper for memcmp(3).

The casts are unnecessary, since memcmp(3)'s arguments are 'void *'.
It might have been necessary in the times of K&R, where 'void *' didn't
ex

Removed the unsafe nxt_memcmp() wrapper for memcmp(3).

The casts are unnecessary, since memcmp(3)'s arguments are 'void *'.
It might have been necessary in the times of K&R, where 'void *' didn't
exist. Nowadays, it's unnecessary, and _very_ unsafe, since casts can
hide all classes of bugs by silencing most compiler warnings.

The changes from nxt_memcmp() to memcmp(3) were scripted:

$ find src/ -type f \
| grep '\.[ch]$' \
| xargs sed -i 's/nxt_memcmp/memcmp/'

Reviewed-by: Andrew Clayton <a.clayton@nginx.com>
Signed-off-by: Alejandro Colomar <alx@nginx.com>

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Constified numerous function parameters.

As was pointed out by the cppcheck[0] static code analysis utility we
can mark numerous function parameters as 'const'. This acts as a hint to
the compiler a

Constified numerous function parameters.

As was pointed out by the cppcheck[0] static code analysis utility we
can mark numerous function parameters as 'const'. This acts as a hint to
the compiler about our intentions and the compiler will tell us when we
deviate from them.

[0]: https://cppcheck.sourceforge.io/

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Custom implementation of Base64 decoding function.

Compared to the previous implementation based on OpenSSL, the new implementation
has these advantages:

1. Strict and reliable detection of invali

Custom implementation of Base64 decoding function.

Compared to the previous implementation based on OpenSSL, the new implementation
has these advantages:

1. Strict and reliable detection of invalid strings, including strings with
less than 4 bytes of garbage at the end;

2. Allows to use Base64 strings without '=' padding.

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Router: decode uri and args.

Configuration: support for rational numbers.

Added nxt_is_complex_uri_encoded()/nxt_encode_complex_uri().

Updated URI escaping table for better conformity with RFC 3986.

Now '>', '<', '"', '^', '\', '}', '|', '{', and '`' are also escaped.

Changed nxt_memcasecmp() interface to avoid casts.

Basic support for serving static files.

Configuration: added ability to access object members with slashes.

Now URI encoding can be used to escape "/" in the request path:

GET /config/listeners/unix:%2Fpath%2Fto%2Fsocket/

Introduced nxt_memcpy_upcase().

Removed '\r' and '\n' artifact macros.

Fixed matching of empty version.

Fixed building with old GCC after the previous change.

Improved applications versions handling.

The new module configuration interface.

Configuration and building example:

./configure
./configure python
./configure php
./configure go
make all

or

./configure
make nginext
./co

The new module configuration interface.

Configuration and building example:

./configure
./configure python
./configure php
./configure go
make all

or

./configure
make nginext
./configure python
make python
./configure php
make php
./configure go
make go

Modules configuration options and building examples:

./configure python --module=python2 --config=python2.7-config
make python2

./configure php --module=php7 --config=php7.0-config
--lib-path=/usr/local/php7.0
make php7

./configure go --go=go1.6 --go-path=${HOME}/go1.6
make go1.6

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Renamed nxt_str_copy() to nxt_str_cstrz().

Applied nxt_pointer_to() and nxt_value_at() where possible.

Using new memory pool implementation.

nxt_str_t changes.

Initial version.