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Support strtof128 etc. aliases.

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This patch adds support for building strtof128, wcstof128, strtof128_l
and wcstof128_l as aliases, in the case of __HAVE_FLOAT128 &&
!__HAVE_DISTINCT_FLOAT128.

Tested with build-many-glibcs.py that installed stripped shared
libraries are unchanged by this patch.  Also tested together with
changes to enable float128 aliases.

	* stdlib/strtold.c: Include <bits/floatn.h>
	[__HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128] (strtof128): Define
	and later undefine as macro.  Define as weak alias if
	[!USE_WIDE_CHAR].
	[__HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128] (wcstof128): Define
	and later undefine as macro.  Define as weak alias if
	[USE_WIDE_CHAR].
	* sysdeps/ieee754/ldbl-128/strtold_l.c [__HAVE_FLOAT128 &&
	!__HAVE_DISTINCT_FLOAT128] (strtof128_l): Define and later
	undefine as macro.  Define as weak alias if [!USE_WIDE_CHAR].
	[__HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128] (wcstof128_l):
	Define and later undefine as macro.  Define as weak alias if
	[USE_WIDE_CHAR].
	* sysdeps/ieee754/ldbl-64-128/strtold_l.c: Include
	<bits/floatn.h>.
	[__HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128] (strtof128_l):
	Define and later undefine as macro.  Define as weak alias if
	[!USE_WIDE_CHAR].
	[__HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128] (wcstof128_l):
	Define and later undefine as macro.  Define as weak alias if
	[USE_WIDE_CHAR].
This commit is contained in:
Joseph Myers 2017-10-16 13:22:11 +00:00
parent ea91c315bc
commit 02010e79ce
4 changed files with 72 additions and 0 deletions
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24
ChangeLog
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@ -1,3 +1,27 @@
2017-10-16 Joseph Myers <joseph@codesourcery.com>
* stdlib/strtold.c: Include <bits/floatn.h>
[__HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128] (strtof128): Define
and later undefine as macro. Define as weak alias if
[!USE_WIDE_CHAR].
[__HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128] (wcstof128): Define
and later undefine as macro. Define as weak alias if
[USE_WIDE_CHAR].
* sysdeps/ieee754/ldbl-128/strtold_l.c [__HAVE_FLOAT128 &&
!__HAVE_DISTINCT_FLOAT128] (strtof128_l): Define and later
undefine as macro. Define as weak alias if [!USE_WIDE_CHAR].
[__HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128] (wcstof128_l):
Define and later undefine as macro. Define as weak alias if
[USE_WIDE_CHAR].
* sysdeps/ieee754/ldbl-64-128/strtold_l.c: Include
<bits/floatn.h>.
[__HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128] (strtof128_l):
Define and later undefine as macro. Define as weak alias if
[!USE_WIDE_CHAR].
[__HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128] (wcstof128_l):
Define and later undefine as macro. Define as weak alias if
[USE_WIDE_CHAR].
2017-10-15 Carlos O'Donell <carlos@redhat.com>
* localedata/collate-test.c (allocate_arrays): Don't use \n in

16
stdlib/strtold.c
View File

@ -20,8 +20,14 @@
/* The actual implementation for all floating point sizes is in strtod.c.
These macros tell it to produce the `float' version, `strtof'. */
#include <bits/floatn.h>
#include <bits/long-double.h>
#if __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128
# define strtof128 __hide_strtof128
# define wcstof128 __hide_wcstof128
#endif
#ifdef __LONG_DOUBLE_MATH_OPTIONAL
# include <wchar.h>
# define NEW(x) NEW1(x)
@ -62,3 +68,13 @@ long_double_symbol (libc, ____new_strtold_internal, __strtold_internal);
libc_hidden_ver (____new_strtold_internal, __strtold_internal)
# endif
#endif
#if __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128
# undef strtof128
# undef wcstof128
# ifdef USE_WIDE_CHAR
weak_alias (NEW (wcstold), wcstof128)
# else
weak_alias (NEW (strtold), strtof128)
# endif
#endif

15
sysdeps/ieee754/ldbl-128/strtold_l.c
View File

@ -34,4 +34,19 @@
#define MPN2FLOAT __mpn_construct_long_double
#define FLOAT_HUGE_VAL HUGE_VALL
#if __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128
# define strtof128_l __hide_strtof128_l
# define wcstof128_l __hide_wcstof128_l
#endif
#include <strtod_l.c>
#if __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128
# undef strtof128_l
# undef wcstof128_l
# ifdef USE_WIDE_CHAR
weak_alias (wcstold_l, wcstof128_l)
# else
weak_alias (strtold_l, strtof128_l)
# endif
#endif

17
sysdeps/ieee754/ldbl-64-128/strtold_l.c
View File

@ -15,6 +15,13 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <bits/floatn.h>
#if __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128
# define strtof128_l __hide_strtof128_l
# define wcstof128_l __hide_wcstof128_l
#endif
#include <math.h>
#include <stdlib.h>
#include <wchar.h>
@ -57,3 +64,13 @@ long_double_symbol (libc, ___new_strtold_l, strtold_l);
long_double_symbol (libc, ____new_strtold_l, __strtold_l);
# endif
#endif
#if __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128
# undef strtof128_l
# undef wcstof128_l
# ifdef USE_WIDE_CHAR
weak_alias (____new_wcstold_l, wcstof128_l)
# else
weak_alias (____new_strtold_l, strtof128_l)
# endif
#endif