88134649ee
Bug: https://github.com/android/ndk/issues/415 Test: libc++'s std/strings/string.conversions/stof.pass.cpp Change-Id: I2c6bab9e31fb1c916be991f72b04735b5df279c2
110 lines
3.1 KiB
C
110 lines
3.1 KiB
C
/*
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* Copyright (C) 2015 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#pragma once
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#include <sys/cdefs.h>
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#if __ANDROID_API__ < 19
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__BEGIN_DECLS
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static __inline int abs(int __n) { return (__n < 0) ? -__n : __n; }
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static __inline long labs(long __n) { return (__n < 0L) ? -__n : __n; }
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static __inline long long llabs(long long __n) {
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return (__n < 0LL) ? -__n : __n;
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}
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__END_DECLS
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#endif
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#if __ANDROID_API__ < 21
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#include <errno.h>
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#include <float.h>
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#include <stdlib.h>
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__BEGIN_DECLS
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static __inline float strtof(const char* nptr, char** endptr) {
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// N.B. Double-rounding makes this function incorrect for some inputs.
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double d = strtod(nptr, endptr);
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if (__builtin_isfinite(d) && __builtin_fabs(d) > FLT_MAX) {
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errno = ERANGE;
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return __builtin_copysign(__builtin_huge_valf(), d);
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}
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return __BIONIC_CAST(static_cast, float, d);
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}
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static __inline double atof(const char *nptr) { return (strtod(nptr, NULL)); }
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static __inline int rand(void) { return (int)lrand48(); }
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static __inline void srand(unsigned int __s) { srand48(__s); }
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static __inline long random(void) { return lrand48(); }
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static __inline void srandom(unsigned int __s) { srand48(__s); }
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static __inline int grantpt(int __fd __attribute((unused))) {
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return 0; /* devpts does this all for us! */
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}
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__END_DECLS
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#endif
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#if __ANDROID_API__ < 26
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#include <stdlib.h>
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#include <xlocale.h>
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__BEGIN_DECLS
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static __inline double strtod_l(const char* __s, char** __end_ptr, locale_t __l) {
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return strtod(__s, __end_ptr);
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}
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static __inline float strtof_l(const char* __s, char** __end_ptr, locale_t __l) {
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return strtof(__s, __end_ptr);
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}
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static __inline long strtol_l(const char* __s, char** __end_ptr, int __base, locale_t __l) {
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return strtol(__s, __end_ptr, __base);
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}
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__END_DECLS
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#endif
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