Commit graph

21 commits

Author SHA1 Message Date
fearlessTobi
63c2e32e20 Port #4182 from Citra: "Prefix all size_t with std::" 2018-09-15 15:21:06 +02:00
Lioncash
6ac955a0b4 hle/service: Default constructors and destructors in the cpp file where applicable
When a destructor isn't defaulted into a cpp file, it can cause the use
of forward declarations to seemingly fail to compile for non-obvious
reasons. It also allows inlining of the construction/destruction logic
all over the place where a constructor or destructor is invoked, which
can lead to code bloat. This isn't so much a worry here, given the
services won't be created and destroyed frequently.

The cause of the above mentioned non-obvious errors can be demonstrated
as follows:

------- Demonstrative example, if you know how the described error happens, skip forwards -------

Assume we have the following in the header, which we'll call "thing.h":

\#include <memory>

// Forward declaration. For example purposes, assume the definition
// of Object is in some header named "object.h"
class Object;

class Thing {
public:
    // assume no constructors or destructors are specified here,
    // or the constructors/destructors are defined as:
    //
    // Thing() = default;
    // ~Thing() = default;
    //

    // ... Some interface member functions would be defined here

private:
    std::shared_ptr<Object> obj;
};

If this header is included in a cpp file, (which we'll call "main.cpp"),
this will result in a compilation error, because even though no
destructor is specified, the destructor will still need to be generated by
the compiler because std::shared_ptr's destructor is *not* trivial (in
other words, it does something other than nothing), as std::shared_ptr's
destructor needs to do two things:

1. Decrement the shared reference count of the object being pointed to,
   and if the reference count decrements to zero,

2. Free the Object instance's memory (aka deallocate the memory it's
   pointing to).

And so the compiler generates the code for the destructor doing this inside main.cpp.

Now, keep in mind, the Object forward declaration is not a complete type. All it
does is tell the compiler "a type named Object exists" and allows us to
use the name in certain situations to avoid a header dependency. So the
compiler needs to generate destruction code for Object, but the compiler
doesn't know *how* to destruct it. A forward declaration doesn't tell
the compiler anything about Object's constructor or destructor. So, the
compiler will issue an error in this case because it's undefined
behavior to try and deallocate (or construct) an incomplete type and
std::shared_ptr and std::unique_ptr make sure this isn't the case
internally.

Now, if we had defaulted the destructor in "thing.cpp", where we also
include "object.h", this would never be an issue, as the destructor
would only have its code generated in one place, and it would be in a
place where the full class definition of Object would be visible to the
compiler.

---------------------- End example ----------------------------

Given these service classes are more than certainly going to change in
the future, this defaults the constructors and destructors into the
relevant cpp files to make the construction and destruction of all of
the services consistent and unlikely to run into cases where forward
declarations are indirectly causing compilation errors. It also has the
plus of avoiding the need to rebuild several services if destruction
logic changes, since it would only be necessary to recompile the single
cpp file.
2018-09-10 23:55:31 -04:00
tech4me
d26a46feed set: Fixed GetAvailableLanguageCodes() to follow the max_entries
Rightnow, in games use GetAvailableLanguageCodes(), there is a WriteBuffer() with size larger than the buffer_size. (Core Critical core\hle\kernel\hle_ipc.cpp:WriteBuffer:296: size (0000000000000088) is greater than buffer_size (0000000000000078))

0x88 = 17(languages) * 8
0x78 = 15(languages) * 8

GetAvailableLanguageCodes() can only support 15 languages.
After firmware 4.0.0 there are 17 supported language instead of 15, to enable this GetAvailableLanguageCodes2() need to be used.
So GetAvailableLanguageCodes() will be caped at 15 languages.
Reference:
http://switchbrew.org/index.php/Settings_services
2018-08-26 00:11:13 -07:00
David
c1d54f4aea Added ability to change username & language code in the settings ui. Added IProfile::Get and SET::GetLanguageCode for libnx tests (#851) 2018-08-03 11:02:55 -04:00
Lioncash
63c605c04a set_sys: Implement SetColorSetId() 2018-07-24 00:48:16 -04:00
Lioncash
e85308cd90 set: Add missing log call in GetAvailableLanguageCodeCount()
Forgot to include this in 22f448b632
2018-07-23 12:37:42 -04:00
Lioncash
22f448b632 set: Implement GetAvailableLanguageCodeCount()
This just returns the size of the language code buffer.
2018-07-23 00:29:40 -04:00
Lioncash
37aeecd29f set: Correct return code size of value in GetAvailableLanguageCodes()
The return code should be 32-bit in size.
2018-07-23 00:29:22 -04:00
Lioncash
ff500a7b68 hle_ipc: Introduce generic WriteBuffer overload for multiple container types
This introduces a slightly more generic variant of WriteBuffer().
Notably, this variant doesn't constrain the arguments to only accepting
std::vector instances. It accepts whatever adheres to the
ContiguousContainer concept in the C++ standard library.

This essentially means, std::array, std::string, and std::vector can be
used directly with this interface. The interface no longer forces you to
solely use containers that dynamically allocate.

To ensure our overloads play nice with one another, we only enable the
container-based WriteBuffer if the argument is not a pointer, otherwise
we fall back to the pointer-based one.
2018-07-19 17:05:12 -04:00
James Rowe
638956aa81 Rename logging macro back to LOG_* 2018-07-02 21:45:47 -04:00
greggameplayer
be1f5dedfb Implement GetAvailableLanguageCodes2 (#575)
* Implement GetAvailableLanguageCodes2

* Revert "Implement GetAvailableLanguageCodes2"

This reverts commit caadd9eea3497ae2a13382aecb8ca29e1c02c5af.

* Implement GetAvailableLanguageCodes2

* Implement GetAvailableLanguageCodes2
2018-06-19 11:29:04 -04:00
bunnei
17b16cf6f6 set: Fix GetAvailableLanguageCodes implementation. 2018-04-29 11:07:06 -04:00
Lioncash
32ece18bb6
set: Move logging macros over to new fmt-compatible ones 2018-04-24 12:01:30 -04:00
Lioncash
ccca5e7c28 service: Use nested namespace specifiers where applicable
Tidies up namespace declarations
2018-04-19 22:20:28 -04:00
Hexagon12
e52a87b98a Various service name fixes - part 2 (rebased) (#322)
* Updated ACC with more service names

* Updated SVC with more service names

* Updated set with more service names

* Updated sockets with more service names

* Updated SPL with more service names

* Updated time with more service names

* Updated vi with more service names
2018-04-17 11:37:43 -04:00
mailwl
28669872d9 Service/Set: add more services 2018-03-03 09:03:49 +03:00
bunnei
516a95721c service: Remove remaining uses of BufferDescriptor*. 2018-02-13 23:54:13 -05:00
bunnei
1d51b25ed1 set: GetAvailableLanguageCodes should not return lang_codes size. 2018-02-04 23:42:43 -05:00
bunnei
c689fe8424 logger: Add SET service logging category. 2018-02-04 22:55:45 -05:00
bunnei
1b1d399e5f hle: Rename RequestBuilder to ResponseBuilder. 2018-01-24 22:24:10 -05:00
goaaats
c457f34eb2 acc, set, applet_oe: stub various functions, add set service (#105)
* Stubs for various acc:u0 funcs needed

* Stub for GetDesiredLanguage in IApplicationFunctions

* Add set service + stubs needed for games

* Fix formatting

* Implement IProfile, IManagerForApplication, return bool in CheckAvailability, style fixes

* Remove IProfile::Get(needs more research), fix IPC response sizes
2018-01-19 15:44:58 -05:00