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#3420 Properly declare all overloads of testing::internal::PrintTo as DLL exports

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This was causing the following linker error on Microsoft Visual C++ when compiling as a DLL:

```
googletest-printers-test.cc.obj : error LNK2019: unresolved external symbol "void __cdecl testing::internal::PrintTo(char16_t const *,class std::basic_ostream<char,struct std::char_traits<char> > *)" (?PrintTo@internal@testing@@YAXPEB_SPEAV?$basic_ostream@DU?$char_traits@D@std@@@std@@@Z) referenced in function "public: static void __cdecl testing::internal::UniversalPrinter<char16_t const *>::Print(char16_t const * const &,class std::basic_ostream<char,struct std::char_traits<char> > *)" (?Print@?$UniversalPrinter@PEB_S@internal@testing@@SAXAEBQEB_SPEAV?$basic_ostream@DU?$char_traits@D@std@@@std@@@Z)
googletest-printers-test.cc.obj : error LNK2019: unresolved external symbol "void __cdecl testing::internal::PrintTo(char32_t const *,class std::basic_ostream<char,struct std::char_traits<char> > *)" (?PrintTo@internal@testing@@YAXPEB_UPEAV?$basic_ostream@DU?$char_traits@D@std@@@std@@@Z) referenced in function "public: static void __cdecl testing::internal::UniversalPrinter<char32_t const *>::Print(char32_t const * const &,class std::basic_ostream<char,struct std::char_traits<char> > *)" (?Print@?$UniversalPrinter@PEB_U@internal@testing@@SAXAEBQEB_UPEAV?$basic_ostream@DU?$char_traits@D@std@@@std@@@Z)
```
This commit is contained in:
Florin Crișan 2021-05-28 11:06:59 +03:00
parent 53495a2a7d
commit e1cc005f4c
1 changed files with 3 additions and 3 deletions
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6
googletest/include/gtest/gtest-printers.h
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@ -501,18 +501,18 @@ inline void PrintTo(unsigned char* s, ::std::ostream* os) {
}
#ifdef __cpp_char8_t
// Overloads for u8 strings.
void PrintTo(const char8_t* s, ::std::ostream* os);
GTEST_API_ void PrintTo(const char8_t* s, ::std::ostream* os);
inline void PrintTo(char8_t* s, ::std::ostream* os) {
PrintTo(ImplicitCast_<const char8_t*>(s), os);
}
#endif
// Overloads for u16 strings.
void PrintTo(const char16_t* s, ::std::ostream* os);
GTEST_API_ void PrintTo(const char16_t* s, ::std::ostream* os);
inline void PrintTo(char16_t* s, ::std::ostream* os) {
PrintTo(ImplicitCast_<const char16_t*>(s), os);
}
// Overloads for u32 strings.
void PrintTo(const char32_t* s, ::std::ostream* os);
GTEST_API_ void PrintTo(const char32_t* s, ::std::ostream* os);
inline void PrintTo(char32_t* s, ::std::ostream* os) {
PrintTo(ImplicitCast_<const char32_t*>(s), os);
}