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ApiDSL generates the lowercase function declarations for us and puts them in the
right namespace (TOX_, TOXAV_).
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This used to not be an issue, but now that the logger is no longer
global, not all source locations may have access to it.
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- Mingw32 didn't read MSDN, so behaves badly despite lean and mean.
- Avoid alignment issues on windows with packed bitfields in the RTP header.
This change makes the program ill-formed in C99, but I don't know the correct
fix at the moment, and I don't want to keep the Windows build broken for too
long.
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1. This mutation is never observed outside the function.
2. If it were (it's not), it would be undefined behaviour, since the
packet data goes out of scope a few instructions after the callback
returns.
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We didn't need to create the logger before all the validations. There is only
one error path where we need to free the logger.
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- Any non-externally-visible declarations should be `static`.
- Casting away the `const` qualifier from pointers-to-const is
dangerous. All but one instance of this are now correct. The one
instance where we can't keep `const` is one where toxav code actually
writes to a chunk of memory marked as `const`. This code also assumes
4 byte alignment of data packets. I don't know whether that is a valid
assumption, but it's likely unportable, and *not* obviously correct.
- Replaced empty parameter lists with `(void)` to avoid passing
parameters to it. Empty parameter lists are old style declarations for
unknown number and type of arguments.
- Commented out (as `#if DHT_HARDENING` block) the hardening code that
was never executed.
- Minor style fix: don't use `default` in enum-switches unless the number
of enumerators in the default case is very large. In this case, it was
2, so we want to list them both explicitly to be warned about missing
one if we add one in the future.
- Removed the only two function declarations from nTox.h and put them
into nTox.c. They are not used outside and nTox is not a library.
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- Don't cast between object and function pointers.
- Use standard compliant `__VA_ARGS__` in macros.
- Add explicit `__extension__` on unnamed union in struct (it's a GNU
extension).
- Remove ; after function definitions.
- Replace `const T foo = 3;` for integral types `T` with `enum { foo = 3 };`.
Folding integral constants like that as compile time constants is a GNU
extension. Arrays allocated with `foo` as dimension are VLAs on strictly
compliant C99 compilers.
- Replace empty initialiser list `{}` with zero-initialiser-list `{0}`.
The former is a GNU extension meaning the latter.
- Cast `T*` (where `T != void`) to `void *` in format arguments. While any
object pointer can be implicitly converted to and from `void *`, this
conversion does not happen in variadic function calls.
- Replace arithmetic on `void *` with arithmetic on `char *`. The former
is non-compliant.
- Replace non-`int`-derived types (like `uint16_t`, which is
`short`-derived) in bit fields with `int`-derived types. Using any type
other than `int` or `unsigned int` (or any of their aliases) in bit
fields is a GNU extension.
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Messenger is slightly twisty when it comes to sending connection status
callbacks It will very likely need at the very least a partial refactor to
clean it up a bit. Toxcore shouldn't need void *userdata as deep as is
currently does.
(amend 1) Because of the nature of toxcore connection callbacks, I decided to
change this commit from statelessness for connections changes to statelessness
for friend requests. It's simpler this was and doesn't include doing anything
foolish in the time between commits.
group fixup because grayhatter doesn't want to do it
"arguably correct" is not how you write security sensitive code
Clear a compiler warning about types within a function.
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https://msdn.microsoft.com/en-gb/library/windows/desktop/aa365917(v=vs.85).aspx
shows an example use of GetAdaptersInfo that does it this way.
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Ensure that nobody inadvertly modifies the temporary packet data buffer.
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A race condition that happens on machines with heavily used network interfaces
causes tests to fail. Packets sent don't arrive on time. This sleep gives it 100
extra milliseconds. The real fix would be to wait for the event to occur and
then continue, but with a "once-loop" that is tox_iterate, it's not feasible at
this time.
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They don't seem to be a lot less stable than the rest. Either way we regularly
need to restart builds to make timeouts go away.
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http://llvm.org/docs/CodingStandards.html#use-early-exits-and-continue-to-simplify-code
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The former is a non-standard glibc extension. On linux, it is implemented as a
call to sched_yield, so this change does nothing there. On OSX, pthread_yield
doesn't exist, and we already use sched_yield.
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These casts are either completely useless (casting T to T) or implicit (x = y).
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It was an undefined function before.
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The parameter names were taken from function definitions to update the names in
function declarations (prototypes).
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We'll revert this once we move to clang-format.
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It has not been built in a while. We do want to keep this one working (or at
least compiling).
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Also, no longer #include the group code into tox.c. Instead, compile it
separately in tox_group.c. This is a bit less surprising to someone looking
around the code. Having some implementations in a .h file is certainly a bit
surprising to a disciplined C programmer, especially when there is no technical
reason to do it.
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These are now generated by apidsl.
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These functions simply return the constants. They are a stable ABI, so that if
constants change, the ABI of these functions won't. Code solely relying on these
functions will remain compatible with future values of those constants.
The functions are currently not exposed in tox.h, because this is pending a
change in apidsl to generate accessors for "const" values.
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This removes the global logger (which by the way was deleted when the first tox
was killed, so other toxes would then stop logging). Various bits of the code
now carry a logger or pass it around. It's a bit less transparent now, but now
there is no need to have a global logger, and clients can decide what to log and
where.
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OS X and Windows have small thread stacks by default. Allocating audio and video
frames (about 962KB total) on the stack overflows it.
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The condition is a potential use after free, because `connection_kill` before it
will delete the `conn` that is dereferenced.
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Once every new moon, the assoc_test would fail because the key is 0. It
can be anything but 0 to succeed, so I made it 1.
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10x timeouts forces travis to kill our build without offering anything helpful
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uint is not a valid type on Windows. It's also not a valid type in C, but Linux
and OSX define it somewhere. We can't rely on its existence.
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The threading networking functions (on windows: winsock and friends) need to be
linked into the toxnetwork library, not the toxcore library, anymore. On Linux
and OSX, there is no winsock. On OSX, there is no need to link against threading
libraries, and on Linux, toxnetwork can have unresolved symbols when linking, so
this failure wasn't caught before.
Tested by building on the iphydf/windows-x86-qt5 docker image.
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