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388 Commits

Author SHA1 Message Date
Dmitry-Me 45e617f50b Fix -Wint-conversion warning 2019-11-27 18:08:10 +03:00
Dmitry-Me 8f72a714d1 Fix -Wint-conversion warning 2019-11-26 18:03:47 +03:00
Armin Müller 130ebe4b85 Typos found by running "codespell" (#2380) 2019-11-19 20:02:24 +01:00
orbitcowboy 2ff18b76ec test std.cfg: Improved tests for strncpy and strrchr . 2019-11-18 13:53:42 +01:00
orbitcowboy d5d2915873 test std.cfg: Improved tests for strncmp and strncat. 2019-11-18 13:43:49 +01:00
orbitcowboy dbbb7f544a test std.cfg: Improved strlen() tests. 2019-11-14 16:45:27 +01:00
orbitcowboy ea92695e54 test std.cfg: Improved sscanf() tests. 2019-11-14 16:38:30 +01:00
orbitcowboy ade54bef3f test std.cfg: Added better tests. 2019-11-14 10:48:23 +01:00
orbitcowboy dd30f37642 std.cfg: Merged 'wcscmp' and 'strcmp' configurations and added better tests. 2019-11-14 08:43:31 +01:00
orbitcowboy 20e2c513b6 test std.cfg: Added better test cases for toupper() and tolower(). 2019-11-14 08:31:00 +01:00
orbitcowboy 09eaa412b1 std.cfg: Improved cfg for 'mbstowcs' 2019-11-13 16:55:17 +01:00
orbitcowboy aa5c42ffc5 test std.cfg: Addressed comments from 177eed122a (comments) 2019-11-13 15:07:57 +01:00
orbitcowboy 177eed122a std.cfg: Added 'indirect' flag for destination argument of 'mbstrtowc' function. 2019-11-13 14:34:02 +01:00
orbitcowboy 02adb60f08 test std.cfg: Added a regression test for std::vsprintf(). The first argument is allowed to be a null pointer. 2019-11-11 09:29:16 +01:00
orbitcowboy c358688c68 Formatted code. There are no functional changes. [ci skip] 2019-11-07 11:29:37 +01:00
KenPatrickLehrmann 1114dc0536 Enhance handling of assertion from googletest (#2331) 
* Enhance handling of assertion from googletest

* Update googletest, and add it to cmake build

* Enhance ASSERT_STR* in googletest.cfg
 2019-11-06 21:38:01 +01:00
orbitcowboy f59a2b491d #9455: Added a test case. 2019-11-05 14:00:50 +01:00
Sebastian 8b2903d5ce openssl.cfg: Add OpenSSL library configuration with tests (#2248) 
* openssl.cfg: Add OpenSSL library configuration with tests

Reference: https://www.openssl.org/docs/man1.1.1/man3/

* openssl.cfg: Add some configurations for EVP functions

Add alloc/dealloc configuration for EVP_CIPHER_CTX_new and
EVP_CIPHER_CTX_free.
Add configuration for encryption functions that are used in example code
which is added to the tests.
 2019-10-31 09:21:08 +01:00
Sebastian 02c0240dcd
Fix #9322: bsd.cfg, gnu.cfg: Fix FP for mmap when argument "fd" is -1 (#2306) 
In contrast to POSIX, GNU and BSD allow or even require the argument
"fd" to be set to -1 if MAP_ANONYMOUS or MAP_ANON is specified.
 2019-10-30 09:39:50 +01:00
Sebastian 8fb794e731
libsigc++.cfg: Add configuration for library libsigc++ (#2291) 
* libsigc++.cfg: Add configuration for library libsigc++

Reference: https://libsigcplusplus.github.io/libsigcplusplus/

* Make code compatible with libsigc++-2.0 instead of 3.0

Since Version 3.0 C++14 is required which is not (fully) supported in
some older GCC versions.
 2019-10-26 17:37:14 +02:00
orbitcowboy 24d6794ba6 windows.cfg: Added support for more interfaces. 2019-10-21 10:09:20 +02:00
versat 6cf0aed737 test/cfg/runtests.sh: Remove verbose output (meant for debugging) 2019-10-21 08:53:21 +02:00
versat 094caf31ac std.cfg: Remove redundant configurations for vector::(push|pop)_back() 
Add tests in std.cpp to verify that a configuration for the functions
exists.
 2019-10-18 12:40:10 +02:00
Sebastian 8eea046e5b
std.cfg: Add support for std::fill_n() (#2273) 
Reference: https://en.cppreference.com/w/cpp/algorithm/fill_n
 2019-10-18 12:24:57 +02:00
Sebastian 478625c802
kde.cfg: Add KDE configuration and tests (#2278) 
Reference: https://kde.org
 2019-10-17 21:29:32 +02:00
orbitcowboy 7c48874793 #9347: Added a robustness test for scanf 2019-10-17 17:50:26 +02:00
Sebastian e3fe559f0d
windows.cfg: Add support for `__alignof()` (#2271) 
Reference:
https://docs.microsoft.com/en-us/cpp/cpp/alignof-operator?view=vs-2019
 2019-10-15 16:02:28 +02:00
Sebastian 60de5e12dd gnu.cfg: Add configuration for __alignof__() (#2268) 
Reference: https://gcc.gnu.org/onlinedocs/gcc-6.2.0/gcc/Alignment.html
 2019-10-14 20:59:38 +02:00
Sebastian 0527b80174
gnu.cfg: Add support for __glibc_likely() and __glibc_unlikely() (#2267) 
Reference:
https://sourceware.org/glibc/wiki/Style_and_Conventions#Branch_Prediction
 2019-10-14 12:16:28 +02:00
Sebastian e24008544e
test/cfg/std.c: Add nullPointer tests for vsnprintf() (#2262) 
Related tickets:
https://trac.cppcheck.net/ticket/9408
https://trac.cppcheck.net/ticket/9410
 2019-10-11 20:00:10 +02:00
versat 77c711d129 gnu.cfg: Add configuration and test for __builtin_assume_aligned() 2019-10-10 10:23:21 +02:00
Sebastian 4d305d5c54
googletest.cfg: Fix #9397 (syntaxError when macro is unknown) (#2255) 
Also add test in googletest.cpp
 2019-10-09 19:53:58 +02:00
versat 93e9e12aa1 gtk.cfg: Add some missing g_str*() functions found by daca@home 2019-10-08 10:01:38 +02:00
Daniel Marjamäki a09fe763d9 Try to make Travis happy 2019-09-28 20:43:55 +02:00
Sebastian 0fadae78d3 boost.cfg: Add configuration and tests for boost::bind() (#2206) 2019-09-25 12:49:05 +02:00
Sebastian 5615da4547
std.cfg: Add configuration and tests for std::bind() (#2207) 
TODO:
Somehow Cppcheck fails to print an ignoredReturnValue message when the
return value is not used (see ticket 
https://trac.cppcheck.net/ticket/9369 )
 2019-09-24 12:16:13 +02:00
versat 7277fe5a2b gnu.cfg: Add support for macro __extension__ 
The macro does nothing except preventing from warnings when compiling
with "pedantic" or other options.
 2019-09-19 12:27:21 +02:00
Sebastian 8207fb7b14
cairo.cfg: Add library configuration/tests/... for cairo library (#2176) 
Reference: https://www.cairographics.org/
 2019-09-19 08:48:04 +02:00
versat 076c604de8 python.cfg: Improve Python C API configuration 
Add configurations for types, macros, alloc/dealloc and functions.
 2019-09-18 15:09:13 +02:00
versat d08539fe17 windows.cfg: Fix PostMessage() configuration 
First argument is optional (allowed to be NULL). See also the annotation
"_In_opt_".
Reference:
https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-postmessagea
 2019-09-18 09:22:57 +02:00
Sebastian 5bf6bd1f5e
windows.cfg: Enhance/fix Windows configuration (#2177) 
Add/fix some missing/incorrect function configurations found by
analyzing TortoiseGit project.
Add some macros.
 2019-09-18 08:41:37 +02:00
Sebastian fbbaea3cd9
qt.cfg: Add some missing macro definitions (#2175) 
Found by daca@home
 2019-09-16 15:58:35 +02:00
Paul Fultz II ba037837c9 Track lifetime across multiple returns 
This will now warn when doing something like this:

```cpp
template <class T, class K, class V>
const V& get_default(const T& t, const K& k, const V& v) {
    auto it = t.find(k);
    if (it == t.end()) return v;
    return it->second;
}
const int& bar(const std::unordered_map<int, int>& m, int k) {
    auto x = 0;
    return get_default(m, k, x);
}
```

The lifetime warning is considered inconclusive in this case.

I also updated valueflow to no tinject inconclusive values unless `--inconclusive` flag is passed. This creates some false negatives because library functions are not configured to not modify their input parameters, and there are some checks that do not check if the value is inconclusive or not.
 2019-09-11 19:25:09 +02:00
orbitcowboy da29a1f56b gnu/bsd.cfg: Cleanup redundant configuration for timercmp() and add more tests. 2019-09-10 11:51:47 +02:00
versat 7737a448cf Fix #9345 FP wrongPrintfScanfArgNum for vasprintf 
Configuration "<formatstr/>" for function is wrong, for the argument it
is fine.
 2019-09-09 15:02:55 +02:00
orbitcowboy aed5e17867 #9323, #9331: Moved configuration and tests to gnu and bsd. 2019-09-08 19:17:15 +02:00
orbitcowboy 12c851d9a8 posix.cfg: Fixed #9323, #9331 by adding timercmp() configuration. 2019-09-07 10:42:09 +02:00
Sebastian 4531b31a4a
Test for issue 9334: FP resourceLeak for dlopen/dlclose with library posix (#2151) 
Add test to avoid further FP for valid code.
Tests for true positives are already present.
https://trac.cppcheck.net/ticket/9334
 2019-09-06 16:37:51 +02:00
Sebastian 32dad3f44a
posix.cfg: Fix vsyslog() configuration (#2150) 
Add tests to make sure no false positives are reported.
Found the issue via daca@home
 2019-09-06 10:16:11 +02:00
Daniel Marjamäki 068b0ef648 Make Travis happy 2019-09-04 13:38:19 +02:00