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* Fix the return value of fwscanf(3) when encountering an early matchingkevlo2017-12-081-2/+2
| | | | | | failure. This change brings fwscanf(3) back in line with fscanf(3). From FreeBSD; ok deraadt@, millert@
* include float.h for the LDBL_MAX_EXP cpp test in floatio.hjsg2016-10-301-1/+2
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* 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@
* It's still safe to assumed 'signed' existsguenther2014-03-191-3/+3
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* Use iswupper() for wide characters, not isupper(); ok deraadtstsp2013-11-251-3/+2
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* Add missing header needed by iswspace()chl2012-01-181-1/+2
| | | | ok stsp@
* Add wscanf(3) and friends. Based on our scanf(3) implementation, with widestsp2011-10-161-0/+798
character support changes based on code from FreeBSD. ok espie guenther; man page help from schwarze