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These should really just be macros to shut up our type system.
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Previously, redisvAppendCommand() would return OOM even with formatting
errors. Now we use OTHER with an error string telling the user the
error was formatting related, not memory related.
This also fixes a potentially worse bug where were would pass error result
of -1 as an actual length to another function taking an unsigned length,
which would result in crash/overallocation/errors. Now for that case,
we just return an error immediately and stop processing the command.
Fixes #177
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[Cleaned up Makefile and header includes. Didn't change crazy
coding style because it's the convention for GLib systems.]
Closes #83
Closes #71
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If realloc fails, the curargv will be NULL.
Closes #253
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Check whether the obuf or reader is empty: if one of the items is empty,
free the redisContext.
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Flags can occur in any order in format string, so we can't assume any order.
In original code, the redisvFormatCommand can process " %#+d" correctly,
but can't process "%+#d".
Closes #257
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External callers may not know about sdsfree, so let's
give them an easy way to know how to free their sds result.
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[Cleaned up:
- name of function: freeRedis... -> redisFree...
- return value of function (free doesn't return anything)
- parameter type for function.
- we don't need to free a char**, the char** is just
for returning from the assignment functoin.]
Closes #250
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Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>
[Instead of checking for "not solaris" we feature detect
for availability of what we want, then remove the system
that advertises compatability but doesn't actually provide it
(given our assumptions about what we're guarding).]
Closes #254
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redisAsyncInitialize() can return NULL, but then we pass
the return value from redisAsyncInitialize() into something
dereferencing the return value, which can cause crashies.
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[This introduces some new API functions.]
* Adds new flag to the connection context indicating SO_REUSEADDR
should be set.
* Adds max number of retries constant for when connect() hits
EADDRNOTAVAIL.
* Adds new function, redisAsyncConnectBindWithReuse(), letting
clients enable this functionality.
[Removed trailing whitespace in new header lines.]
Closes #264
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[It doesn't _actually_ matter, but technically
the order argument is: (number of items, size of items)]
Closes #279
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This:
- Removes misplaced libuv function prototype
- Includes stdlib for free()
Closes #251
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OK, perhaps the second time is a charm. I forgot that I had
hiredis forked from a long time ago, so the initial pull
request was hosed. :)
* Pulled in sdscatfmt() from Redis, and modified it to accept a
size_t (%T) style format specifier.
* Pulled in sdsll2str() and sdsull2str() from Redis (needed by
sdscatfmt).
* Added a new method, redisFormatSdsCommandArgv() which takes
and sds* as the target, rather than char* (and uses sdscatfmt
instead of sprintf for the construction).
I get roughly the following improvement:
Old: 1.044806
New: 0.481620
The benchmark code itself can be found here:
https://gist.github.com/michael-grunder/c92ef31bb632b3d0ad81
Closes #260
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'const' where we can.
Closes #268
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Closes #267
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"sdscatpritf" -> "sdscatprintf"
Example used sdsempty("text") but should say sdsnew("text")
Closes #282
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Closes #285
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If the string is already in the dict, we need to free this.
Original fix by @tt33415366.
Fixes #256
Closes #286
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Closes #293
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Fix getaddrinfo() memory leak
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See antirez/redis#2012 for the leak causing unbounded memory growth.
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Less surprising behaviour in redisFree() and freeReplyObject()
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Test that redisFree() and freeReplyObject() do not crash when NULL is
passed in.
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Make redisFree() and freeReplyObject() less surprising by behaving just
like free(). That is, don't crash when passing in NULL.
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Closes #219.
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Next version of hiredis
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Solaris doesn't define the TCP options we try to set. Let's
ignore those under Solaris.
Closes #207
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The existing way is not compatible with a lot of shells, including most
bash installations, because the echos that generates the configuration
sent to redis-server doesn't expand the escapes. Adding '-e' to the
echo works under bash, but breaks on the Travis CI server.
This is my attempt to find an alternative that works everywhere.
[committer note: it doesn't work under Solaris make, but the Makefile
was already broken under Solaris make. Solaris users must use gmake.]
Closes #224 and Closes #221
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This is a backport of
https://github.com/antirez/redis/commit/d01aad329c259a7276c448cee6696b04dfa6f8c1
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SDS is now broken out of Redis into its own project, so include
the latest version from the SDS repo.
This is a backport of the Redis commit doing the same to the bundled hiredis:
https://github.com/antirez/redis/commit/320fa02b9b48ee1c63d88db6344fc0d328e24853
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This is backported from
https://github.com/antirez/redis/commit/289942b6259670fe3dcfaffdd0135c27f14c61c0
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Closes #206
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Closes #202
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Closes #189
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Closes #186
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These allows for easier integration of hiredis with external
code that wants to manage its fds, say for instance in a pool.
Closes #223
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Some environments require binding to specific source addresses instead
of letting the system determine which IP a connection should originate
from.
Closes #233
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All the assignments to cb are inside conditionals, so it's
vaguely possible it never gets initialized before we try
to read from it with (cb.fn == NULL).
Condition discovered with scan-build.
Closes #229
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redisCheckSocketError should only CheckSocketError and not
close any misbehaving sockets. If CheckSocketError discovers
a problem, the caller will discover the contest is in ERR
and will start destroying the context (which involves
finalizing all callbacks (which may still be using
fd for something, so we should not close fd until all
callbacks have been told we are failing) and eventually
close the fd in redisFree() immediately before the
context is released).
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With all the async connects and disconnects and error handling
going on in hiredis, we need to centralize how we close our fd
and set it so it doesn't get re-closed. Prior to this commit,
sometimes we'd close(fd), run an async error handler, then
call close(fd) again.
To stop multiple closes, we now set fd to -1 after we free it,
but that requires not passing fd as an independent argument to
functions.
This commit moves all fd usage to c->fd. Since the context
has a fd field and all functions receive the context, it makes
more sense to use the fd inside of c instead of passing along fd
as an independent argument.
Also, by only using c->fd, we can set c->fd after we close it to
signify we shouldn't re-close the same fd again.
This does change one semi-public interface function redisCheckSocketError()
to only take (context) instead of (context, fd). A search on github
returned zero occasions of people using redisCheckSocketError()
outside of net.{c,h} in hiredis itself.
Commit inspired by the bug report at:
https://groups.google.com/forum/#!topic/redis-db/mQm46XkIPOY
Thanks go out to Thijs for trying high-frequency reconnects on
a host that isn't there.
Closes #230
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Fix a couple of bugs uncovered by the Clang static analyzer
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redisContextConnectTcp() is now able to use IPv6 addresses if there is
no IPv4 address found resolving the specified hostname.
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This makes possible to use the example with IPv6 addresses and/or with a
different Redis instance than 127.0.0.1:6379.
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The struct timeval argument in redisConnectWithTimeout(),
redisConnectUnixWithTimeout(), redisSetTimeout(),
redisContextSetTimeout(), redisContextConnectTcp()
and redisContextConnectUnix() is never modified and can
therefore be marked as const.
Signed-off-by: Noah Williamsson <noah.williamsson@gmail.com>
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