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Undefine redirections after long double definition on __LDBL_COMPAT [BZ #23294]

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After defining the long double redirections to double, __MATHDECL_1 has
to be redefined to its previous state in order to avoid redirecting all
subsequent types.
This commit is contained in:
Tulio Magno Quites Machado Filho
2018-06-18 21:11:26 -03:00
committed by Paul E. Murphy
parent b790c8c2ed
commit 77ad97356c
4 changed files with 112 additions and 7 deletions
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18
math/math.h
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@@ -279,8 +279,13 @@ enum
#define __MATHDECLX(type, function,suffix, args, attrib) \
__MATHDECL_1(type, function,suffix, args) __attribute__ (attrib); \
__MATHDECL_1(type, __CONCAT(__,function),suffix, args) __attribute__ (attrib)
#define __MATHDECL_1(type, function,suffix, args) \
#define __MATHDECL_1_IMPL(type, function, suffix, args) \
extern type __MATH_PRECNAME(function,suffix) args __THROW
#define __MATHDECL_1(type, function, suffix, args) \
__MATHDECL_1_IMPL(type, function, suffix, args)
#define __MATHREDIR(type, function, suffix, args, to) \
extern type __REDIRECT_NTH (__MATH_PRECNAME (function, suffix), args, to)
#define _Mdouble_ double
#define __MATH_PRECNAME(name,r) __CONCAT(name,r)
@@ -331,11 +336,8 @@ extern long double __REDIRECT_NTH (nexttowardl,
# endif
# undef __MATHDECL_1
# define __MATHDECL_2(type, function,suffix, args, alias) \
extern type __REDIRECT_NTH(__MATH_PRECNAME(function,suffix), \
args, alias)
# define __MATHDECL_1(type, function,suffix, args) \
__MATHDECL_2(type, function,suffix, args, __CONCAT(function,suffix))
__MATHREDIR(type, function, suffix, args, __CONCAT(function,suffix))
# endif
/* Include the file of declarations again, this time using `long double'
@@ -353,6 +355,11 @@ extern long double __REDIRECT_NTH (nexttowardl,
# undef __MATH_DECLARING_DOUBLE
# undef __MATH_DECLARING_FLOATN
# if defined __LDBL_COMPAT
# undef __MATHDECL_1
# define __MATHDECL_1(type, function, suffix, args) \
__MATHDECL_1_IMPL(type, function, suffix, args)
# endif
# endif /* !(__NO_LONG_DOUBLE_MATH && _LIBC) || __LDBL_COMPAT */
#endif /* Use ISO C99. */
@@ -479,6 +486,7 @@ extern long double __REDIRECT_NTH (nexttowardl,
# undef __MATH_DECLARING_FLOATN
#endif /* __HAVE_DISTINCT_FLOAT128X || (__HAVE_FLOAT128X && !_LIBC). */
#undef __MATHDECL_1_IMPL
#undef __MATHDECL_1
#undef __MATHDECL
#undef __MATHCALL