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libstdc++: Fix ctype changed after newlib update.

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Newlib changed ctype.h recently[1] by moving the short labels from ctype.h intro
the private namespace in ctype_.h.  This broke embedded builds due to them no
longer being found.  Instead they now expose the long names to match glibc.

This patch now uses the short or long names depending on is the short ones are
defined or not.

[1] 3ba1bd0d9d

libstdc++-v3/ChangeLog:

	PR libstdc++/103305
	* config/os/newlib/ctype_base.h (upper, lower, alpha, digit, xdigit,
	space, print, graph, cntrl, punct, alnum, blank): Use short or long
	names depending on if short ones are defined.
This commit is contained in:
Tamar Christina 2021-11-19 08:48:11 +00:00
parent fb15abdc9b
commit 0e510ab534
1 changed files with 18 additions and 1 deletions
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19
libstdc++-v3/config/os/newlib/ctype_base.h
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@ -41,6 +41,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
// NB: Offsets into ctype<char>::_M_table force a particular size
// on the mask type. Because of this, we don't use an enum.
typedef char mask;
#if defined _U && defined _L && defined _N && defined _S
static const mask upper = _U;
static const mask lower = _L;
static const mask alpha = _U | _L;
@ -52,8 +53,24 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
static const mask cntrl = _C;
static const mask punct = _P;
static const mask alnum = _U | _L | _N;
#if __cplusplus >= 201103L
# if __cplusplus >= 201103L
static const mask blank = space;
# endif
#else
static const mask upper = _ISupper;
static const mask lower = _ISlower;
static const mask alpha = _ISupper | _ISlower;
static const mask digit = _ISdigit;
static const mask xdigit = _ISxdigit | _ISdigit;
static const mask space = _ISspace;
static const mask print = _ISpunct | _ISupper | _ISlower | _ISdigit | _ISblank;
static const mask graph = _ISpunct | _ISupper | _ISlower | _ISdigit;
static const mask cntrl = _IScntrl;
static const mask punct = _ISpunct;
static const mask alnum = _ISupper | _ISlower | _ISdigit;
# if __cplusplus >= 201103L
static const mask blank = _ISspace | _ISblank;
# endif
#endif
};