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* in vdprintf(), no need to use the file locking mecanism when usingsemarie2019-03-031-2/+2
| | | | | | | fflush() as the variable is stack based (no possible concurrent access). call directly __sflush() ok visa@ deraadt@
* Add framework for resolving (pun intended) libc namespace issues, usingguenther2015-08-311-1/+2
| | | | | | | | | | | | wrapper .h files and asm labels to let internal calls resolve directly and not be overridable or use the PLT. Then, apply that framework to most of the functions in stdio.h, string.h, err.h, and wchar.h. Delete the should-have-been-hidden-all-along _v?(err|warn)[cx]? symbols while here. tests clean on i386, amd64, sparc64, powerpc, and mips64 naming feedback from kettenis@ and millert@ ok kettenis@
* Add support for POSIX.1-2008 functions dprintf(3) and vdprintf(3).brad2013-01-301-0/+73
Feedback from millert@ guenther@ OK guenther@ man page bits OK jmc@