drakenclimber / libcgroup / 15214291456

coverage: 56.219% (+0.06%) from 56.161%
15214291456

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src: handle NULL options in cgroup_parse_rules_options

We don't want to pass NULL to strtok:
```
[ RUN      ] ParseRulesOptionsTest.RulesOptions_NullOptions
==2006496== Conditional jump or move depends on uninitialised value(s)
==2006496==    at 0x520D156: strtok_r (strtok_r.c:49)
==2006496==    by 0x403FB7E: cgroup_parse_rules_options (api.c:529)
==2006496==    by 0x4005F41: ParseRulesOptionsTest_RulesOptions_NullOptions_Test::TestBody() (002-cgroup_parse_rules_options.cpp:89)
==2006496==    by 0x4ABA45D: ??? (in /usr/lib64/libgtest.so.1.15.2)
==2006496==    by 0x4ABE5AB: ??? (in /usr/lib64/libgtest.so.1.15.2)
==2006496==    by 0x4A9D949: testing::TestInfo::Run() (in /usr/lib64/libgtest.so.1.15.2)
==2006496==    by 0x4ABF18A: ??? (in /usr/lib64/libgtest.so.1.15.2)
==2006496==    by 0x4AB7467: testing::internal::UnitTestImpl::RunAllTests() (in /usr/lib64/libgtest.so.1.15.2)
==2006496==    by 0x4AACC46: testing::UnitTest::Run() (in /usr/lib64/libgtest.so.1.15.2)
==2006496==    by 0x4002345: UnknownInlinedFun (gtest.h:2334)
==2006496==    by 0x4002345: main (gtest.cpp:15)
==2006496==
Error: failed to parse options: (null)
```

Signed-off-by: Sam James <sam@gentoo.org>
Acked-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>

3 of 3 new or added lines in 1 file covered. (100.0%)

6 existing lines in 2 files now uncovered.

5596 of 9954 relevant lines covered (56.22%)

572.02 hits per line

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0.0
/../../../../../usr/include/python3.12/cpython/unicodeobject.h


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