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[libc] Fix warning on 'extern "C" int main' in test suite #102973

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Merged
merged 1 commit into from
Aug 12, 2024
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[libc] Fix warning on 'extern "C" int main' in test suite #102973

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10 changes: 9 additions & 1 deletion libc/test/UnitTest/LibcTestMain.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,15 @@ TestOptions parseOptions(int argc, char **argv) {

} // anonymous namespace

extern "C" int main(int argc, char **argv, char **envp) {
// The C++ standard forbids declaring the main function with a linkage specifier
// outisde of 'freestanding' mode, only define the linkage for hermetic tests.
#if __STDC_HOSTED__
#define TEST_MAIN int main
#else
#define TEST_MAIN extern "C" int main
#endif

TEST_MAIN(int argc, char **argv, char **envp) {
LIBC_NAMESPACE::testing::argc = argc;
LIBC_NAMESPACE::testing::argv = argv;
LIBC_NAMESPACE::testing::envp = envp;
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