From 77ad97356caacfa5a54236791c4f1f68b689e915 Mon Sep 17 00:00:00 2001 From: Tulio Magno Quites Machado Filho Date: Mon, 18 Jun 2018 21:11:26 -0300 Subject: Undefine redirections after long double definition on __LDBL_COMPAT [BZ #23294] 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. --- math/complex.h | 10 +++++++++- math/math.h | 18 +++++++++++++----- 2 files changed, 22 insertions(+), 6 deletions(-) (limited to 'math') diff --git a/math/complex.h b/math/complex.h index d63005b..42f3fd7 100644 --- a/math/complex.h +++ b/math/complex.h @@ -98,8 +98,10 @@ __BEGIN_DECLS #define __MATHDECL(type, function, args) \ __MATHDECL_1(type, function, args); \ __MATHDECL_1(type, __CONCAT(__,function), args) -#define __MATHDECL_1(type, function, args) \ +#define __MATHDECL_1_IMPL(type, function, args) \ extern type __MATH_PRECNAME(function) args __THROW +#define __MATHDECL_1(type, function, args) \ + __MATHDECL_1_IMPL(type, function, args) #define _Mdouble_ double #define __MATH_PRECNAME(name) name @@ -127,6 +129,11 @@ __BEGIN_DECLS # define _Mdouble_ long double # define __MATH_PRECNAME(name) name##l # include +# if defined __LDBL_COMPAT +# undef __MATHDECL_1 +# define __MATHDECL_1(type, function, args) \ + __MATHDECL_1_IMPL(type, function, args) +# endif #endif #undef _Mdouble_ #undef __MATH_PRECNAME @@ -215,6 +222,7 @@ __BEGIN_DECLS # undef _Mdouble_complex_ #endif +#undef __MATHDECL_1_IMPL #undef __MATHDECL_1 #undef __MATHDECL #undef __MATHCALL diff --git a/math/math.h b/math/math.h index fb211bb..e13b3f3 100644 --- a/math/math.h +++ b/math/math.h @@ -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 -- cgit v1.1