Fix http: URL in 'configure'

[thirdparty/glibc.git] / stdlib / strtold.c

diff --git a/stdlib/strtold.c b/stdlib/strtold.c
index ec2b49b2794326dbcdeb3f70df372c7dd3d2e244..9c7a00f6ac8280c6f4b8547ae8665209fe9c60e7 100644 (file)
--- a/stdlib/strtold.c
+++ b/stdlib/strtold.c
@@ -1,10 +1,94 @@
+/* Read decimal floating point numbers.
+   This file is part of the GNU C Library.
+   Copyright (C) 1995-2019 Free Software Foundation, Inc.
+   Contributed by Ulrich Drepper <drepper@gnu.org>, 1995.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
 /* The actual implementation for all floating point sizes is in strtod.c.
-   These macros tell it to produce the `long double' version, `strtold'.  */
+   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
+#if __HAVE_FLOAT64X_LONG_DOUBLE
+# define strtof64x __hide_strtof64x
+# define wcstof64x __hide_wcstof64x
+#endif
+
+#ifdef __LONG_DOUBLE_MATH_OPTIONAL
+# include <wchar.h>
+# define NEW(x) NEW1(x)
+# define NEW1(x) __new_##x
+long double ____new_strtold_internal (const char *, char **, int);
+long double __new_strtold (const char *, char **);
+long double ____new_wcstold_internal (const wchar_t *, wchar_t **, int);
+long double __new_wcstold (const wchar_t *, wchar_t **);
+libc_hidden_proto (____new_strtold_internal)
+libc_hidden_proto (____new_wcstold_internal)
+libc_hidden_proto (__new_strtold)
+libc_hidden_proto (__new_wcstold)
+#else
+# define NEW(x) x
+#endif
 
 #define        FLOAT           long double
 #define        FLT             LDBL
-#define        STRTOF          strtold
-#define        MPN2FLOAT       __mpn_construct_long_double
-#define        FLOAT_HUGE_VAL  HUGE_VALl
+#ifdef USE_WIDE_CHAR
+# define STRTOF                NEW (wcstold)
+# define STRTOF_L      __wcstold_l
+#else
+# define STRTOF                NEW (strtold)
+# define STRTOF_L      __strtold_l
+#endif
 
 #include "strtod.c"
+
+#ifdef __LONG_DOUBLE_MATH_OPTIONAL
+# include <math_ldbl_opt.h>
+# ifdef USE_WIDE_CHAR
+long_double_symbol (libc, __new_wcstold, wcstold);
+long_double_symbol (libc, ____new_wcstold_internal, __wcstold_internal);
+libc_hidden_ver (____new_wcstold_internal, __wcstold_internal)
+# else
+long_double_symbol (libc, __new_strtold, strtold);
+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
+
+#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