Feature test macros overhaul: wctype.h

iswblank was first introduced in C99. Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
2016-08-11 14:16:24 -05:00 · 2016-08-11 14:16:24 -05:00 · 05aca4d94d
parent 86f79af827
commit 05aca4d94d
1 changed files with 2 additions and 0 deletions
--- a/newlib/libc/include/wctype.h
+++ b/newlib/libc/include/wctype.h
@ -25,7 +25,9 @@ typedef int wctrans_t;

 int	_EXFUN(iswalpha, (wint_t));
 int	_EXFUN(iswalnum, (wint_t));
+#if __ISO_C_VISIBLE >= 1999
 int	_EXFUN(iswblank, (wint_t));
+#endif
 int	_EXFUN(iswcntrl, (wint_t));
 int	_EXFUN(iswctype, (wint_t, wctype_t));
 int	_EXFUN(iswdigit, (wint_t));