[cfe-dev] [libc++] gets removed from C11

[Howard Hinnant]

Please review the enclosed patch which guards against the removal of gets from <stdio.h> in C11 and addresses:

http://llvm.org/bugs/show_bug.cgi?id=16369

The current patch is known to be correct only on __APPLE__.  I need help from those testing libc++ on other platforms.  Specifically, <__config> now has:

+#ifdef __APPLE__
+#define _LIBCPP_HAS_GETS
+#endif

which causes <cstdio> to expose gets:

+#ifdef _LIBCPP_HAS_GETS
 using ::gets;
+#endif

I need to know what other platforms (and possibly under what circumstances) should define _LIBCPP_HAS_GETS.  Patches to <__config> in reply to this request for a review are welcome.  It would be nice to not break others when checking in the fix for http://llvm.org/bugs/show_bug.cgi?id=16369.

Thanks,
Howard
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