On Thu, Mar 14, 2024 at 10:34:28AM +0100, Michal Privoznik wrote: > As of commit [1] glibc may overwrite a call to open() with call > to __open_2() (if only two arguments are provided and the code is > compiled with clang). But since we are not mocking the latter our > test suite is broken as tests try to access paths outside of our > repo. > > 1: > https://sourceware.org/git/?p=glibc.git;a=commit;h=86889e22db329abac618c6a41f86c84657a15324 > Signed-off-by: Michal Privoznik <mpriv...@redhat.com> > --- > meson.build | 13 +++++++++++++ > tests/nssmock.c | 26 +++++++++++++++++++++++++ > tests/qemusecuritymock.c | 24 +++++++++++++++++++++++ > tests/vircgroupmock.c | 42 ++++++++++++++++++++++++++++++++++++++++ > tests/virfilewrapper.c | 18 +++++++++++++++++ > tests/virmock.h | 4 ++++ > tests/virpcimock.c | 17 ++++++---------- > tests/virtestmock.c | 20 +++++++++++++++++++ > tests/virusbmock.c | 22 +++++++++++++++++++++ > 9 files changed, 175 insertions(+), 11 deletions(-) > > diff --git a/meson.build b/meson.build > index 9842886bbb..b1b55b0d25 100644 > --- a/meson.build > +++ b/meson.build > @@ -604,6 +604,12 @@ stat_functions = [ > > functions += stat_functions > > +open_functions = [ > + '__open_2', > +] > + > +functions += open_functions > + > foreach function : functions > if cc.has_function(function) > conf.set('WITH_@0@'.format(function.to_upper()), 1) > @@ -618,6 +624,13 @@ foreach function : stat_functions > endforeach > > > +foreach function : open_functions > + if cc.has_header_symbol('fcntl.h', function) > + conf.set('WITH_@0@_DECL'.format(function.to_upper()), 1) > + endif > +endforeach > + > + > # various header checks > > headers = [
[...] > diff --git a/tests/virmock.h b/tests/virmock.h > index 300ba17174..178d0a15f0 100644 > --- a/tests/virmock.h > +++ b/tests/virmock.h > @@ -27,6 +27,10 @@ > > #include "internal.h" > > +#ifndef WITH___OPEN_2_DECL > +int __open_2 (const char *__path, int __oflag); > +#endif Do we really need this bit? Every single use of __open_2 is already guarded by WITH__OPEN_2. Pavel > #define VIR_MOCK_COUNT_ARGS(...) VIR_MOCK_ARG27(__VA_ARGS__, 26, 25, 24, 23, > 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1) > #define VIR_MOCK_ARG27(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, > _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, > ...) _27 > #define VIR_MOCK_ARG_PASTE(a, b, ...) a##b(__VA_ARGS__)
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