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Support strtof64x, wcstof64x aliases.

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This patch adds support for defining strtof64x, strtof64x_l, wcstof64
and wcstof64x_l function aliases when _Float64x is supported.

Tested for x86_64, including in conjunction with _Float64x support
patches, and also tested build for other configurations (in
conjunction with _Float64x support patches) with build-many-glibcs.py
to cover the various different files needing updating to define these
aliases.

	* stdlib/strtold.c [__HAVE_FLOAT64X_LONG_DOUBLE] (strtof64x):
	Define and later undefine as macro.  Define as weak alias if
	[!USE_WIDE_CHAR].
	[__HAVE_FLOAT64X_LONG_DOUBLE] (wcstof64x): Define and later
	undefine as macro.  Define as weak alias if [USE_WIDE_CHAR].
	* sysdeps/ieee754/float128/strtof128.c: Include <bits/floatn.h>.
	[__HAVE_FLOAT64X && !__HAVE_FLOAT64X_LONG_DOUBLE] (strtof64x):
	Define and later undefine as macro.  Define as weak alias if
	[!USE_WIDE_CHAR].
	[__HAVE_FLOAT64X && !__HAVE_FLOAT64X_LONG_DOUBLE] (wcstof64x):
	Define and later undefine as macro.  Define as weak alias if
	[USE_WIDE_CHAR].
	* sysdeps/ieee754/float128/strtof128_l.c
	[__HAVE_FLOAT64X && !__HAVE_FLOAT64X_LONG_DOUBLE] (strtof64x_l):
	Define and later undefine as macro.  Define as weak alias if
	[!USE_WIDE_CHAR].
	[__HAVE_FLOAT64X && !__HAVE_FLOAT64X_LONG_DOUBLE] (wcstof64x_l):
	Define and later undefine as macro.  Define as weak alias if
	[USE_WIDE_CHAR].
	* sysdeps/ieee754/ldbl-128/strtold_l.c
	[__HAVE_FLOAT64X_LONG_DOUBLE] (strtof64x_l): Define and later
	undefine as macro.  Define as weak alias if [!USE_WIDE_CHAR].
	[__HAVE_FLOAT64X_LONG_DOUBLE] (wcstof64x_l): Define and later
	undefine as macro.  Define as weak alias if [USE_WIDE_CHAR].
	* sysdeps/ieee754/ldbl-64-128/strtold_l.c
	[__HAVE_FLOAT64X_LONG_DOUBLE] (strtof64x_l): Define and later
	undefine as macro.  Define as weak alias if [!USE_WIDE_CHAR].
	[__HAVE_FLOAT64X_LONG_DOUBLE] (wcstof64x_l): Define and later
	undefine as macro.  Define as weak alias if [USE_WIDE_CHAR].
	* sysdeps/ieee754/ldbl-96/strtold_l.c
	[__HAVE_FLOAT64X_LONG_DOUBLE] (strtof64x_l): Define and later
	undefine as macro.  Define as weak alias if [!USE_WIDE_CHAR].
	[__HAVE_FLOAT64X_LONG_DOUBLE] (wcstof64x_l): Define and later
	undefine as macro.  Define as weak alias if [USE_WIDE_CHAR].
This commit is contained in:
Joseph Myers
2017-11-24 22:51:53 +00:00
parent ae7207d033
commit 0df4fe3557
7 changed files with 126 additions and 0 deletions
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14
stdlib/strtold.c
View File

@ -27,6 +27,10 @@
# define strtof128 __hide_strtof128
# define wcstof128 __hide_wcstof128
#endif
#if __HAVE_FLOAT64X_LONG_DOUBLE
# define strtof64x __hide_strtof64x
# define wcstof64x __hide_wcstof64x
#endif
#ifdef __LONG_DOUBLE_MATH_OPTIONAL
# include <wchar.h>
@ -78,3 +82,13 @@ weak_alias (NEW (wcstold), wcstof128)
weak_alias (NEW (strtold), strtof128)
# endif
#endif
#if __HAVE_FLOAT64X_LONG_DOUBLE
# undef strtof64x
# undef wcstof64x
# ifdef USE_WIDE_CHAR
weak_alias (NEW (wcstold), wcstof64x)
# else
weak_alias (NEW (strtold), strtof64x)
# endif
#endif