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The casts are unnecessary, since memchr(3)'s argument is 'const 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_memchr() to memchr(3) were scripted:
$ find src/ -type f \
| grep '\.[ch]$' \
| xargs sed -i 's/nxt_memchr/memchr/'
Reviewed-by: Andrew Clayton <a.clayton@nginx.com>
Signed-off-by: Alejandro Colomar <alx@nginx.com>
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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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The previous commit added/fixed support for abstract Unix domain sockets
on Linux with a leading '@' or '\0'. To be consistent in all platforms,
treat those prefixes as markers for abstract sockets in all platforms,
and fail if abstract sockets are not supported by the platform.
That will avoid mistakes when copying a config file from a Linux system
and using it in non-Linux, which would surprisingly create a normal socket.
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nxt_sockaddr_ntop() stopped being used in commit (git) 029942f4eb71.
It has been replaced mostly by nxt_sockaddr_text().
commit 029942f4eb7196c2cff0d0e26bc6ff274138f7d8
Author: Igor Sysoev <igor@sysoev.ru>
Date: Wed Feb 22 15:09:59 2017 +0300
I/O operations refactoring.
nxt_job_sockaddr_parse() stopped being used in commit (git) 794248090a74.
commit 794248090a74f31cbfcf24ea8c835df2d4d21073
Author: Igor Sysoev <igor@sysoev.ru>
Date: Wed Mar 4 14:04:08 2020 +0300
Legacy upstream code removed.
Also, remove functions and types used only by those two functions:
nxt_job_sockaddr_unix_parse()
nxt_job_sockaddr_inet6_parse()
nxt_job_sockaddr_inet_parse()
nxt_job_sockaddr_parse_t
nxt_job_resolve()
nxt_job_resolve_t
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The #endif was misplaced by accident during a refactor:
<https://github.com/nginx/unit/commit/029942f4eb7196c2cff0d0e26bc6ff274138f7d8>.
clang(1)'s -Wunreachable-code-break (implied by -Weverything) catches
that, but it is only produced for code compiled without support
for Unix sockets, which is probably the reason it was undetected:
no-one seems to be compiling Unit without Unix sockets support (at
least with clang(1)).
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In src/nxt_sockaddr.c::nxt_job_sockaddr_inet_parse() there is a check
that port > 0 then there is a check that port < 1 || port > 65535, well
we _know_ it can't be less than 1.
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When the textual representation of an IPv6 nxt_sockaddr_t was being
generated, a crash would occur if the address had a full IPv6 form:
f607:7403:1e4b:6c66:33b2:843f:2517:da27
This was caused by a variable that tracks the location of a
collapsed group ("::") that was not set to a sane default. When
the address was generated, a group would be inserted when
it was not necessary, thus causing an overflow.
This closes #481 issue on GitHub.
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This closes #165 issue on GitHub.
Thanks to 洪志道 (Hong Zhi Dao).
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Introducing event engine memory cache and using the cache for
nxt_sockaddr_t structures.
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The cycle has been renamed to the runtime.
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