95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
/*
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* Copyright 2009-2019 Max Kellermann <max.kellermann@gmail.com>
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* http://www.musicpd.org
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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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*
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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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*
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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 the
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* 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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* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef NUMBER_PARSER_HXX
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#define NUMBER_PARSER_HXX
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#include <assert.h>
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#include <stdint.h>
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#include <stdlib.h>
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struct StringView;
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static inline unsigned
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ParseUnsigned(const char *p, char **endptr=nullptr, int base=10) noexcept
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{
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assert(p != nullptr);
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return (unsigned)strtoul(p, endptr, base);
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}
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static inline int
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ParseInt(const char *p, char **endptr=nullptr, int base=10) noexcept
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{
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assert(p != nullptr);
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return (int)strtol(p, endptr, base);
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}
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static inline uint64_t
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ParseUint64(const char *p, char **endptr=nullptr, int base=10) noexcept
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{
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assert(p != nullptr);
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return strtoull(p, endptr, base);
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}
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static inline int64_t
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ParseInt64(const char *p, char **endptr=nullptr, int base=10) noexcept
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{
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assert(p != nullptr);
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return strtoll(p, endptr, base);
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}
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int64_t
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ParseInt64(StringView s, const char **endptr_r=nullptr, int base=10) noexcept;
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static inline double
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ParseDouble(const char *p, char **endptr=nullptr) noexcept
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{
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assert(p != nullptr);
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return (double)strtod(p, endptr);
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}
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static inline float
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ParseFloat(const char *p, char **endptr=nullptr) noexcept
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{
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#if defined(__BIONIC__) && __ANDROID_API__ < 21
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/* strtof() requires API level 21 */
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return (float)ParseDouble(p, endptr);
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#else
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return strtof(p, endptr);
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#endif
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}
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#endif
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