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authorTulio Magno Quites Machado Filho <tuliom@linux.ibm.com>2018-06-18 21:11:26 -0300
committerPaul E. Murphy <murphyp@linux.vnet.ibm.com>2020-02-20 17:11:06 -0600
commit77ad97356caacfa5a54236791c4f1f68b689e915 (patch)
treec3edb07460e4c7a79c0bc4ad76121c7d98cb2516 /math/math.h
parentb790c8c2ed5d5a51026203ccb3c46a3e95526d6b (diff)
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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.
Diffstat (limited to 'math/math.h')
-rw-r--r--math/math.h18
1 files changed, 13 insertions, 5 deletions
diff --git a/math/math.h b/math/math.h
index fb211bb00b..e13b3f3a29 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