mirror of
https://github.com/trapexit/mergerfs.git
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127 lines
2.4 KiB
C++
127 lines
2.4 KiB
C++
/*
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ISC License
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Copyright (c) 2019, Antonio SJ Musumeci <trapexit@spawn.link>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "ef.hpp"
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#include "errno.hpp"
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#include <cstdint>
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#include <string>
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#include <stdlib.h>
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namespace str
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{
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int
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from(const std::string &value_,
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bool *bool_)
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{
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if((value_ == "true") ||
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(value_ == "1") ||
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(value_ == "on") ||
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(value_ == "yes"))
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*bool_ = true;
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ef((value_ == "false") ||
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(value_ == "0") ||
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(value_ == "off") ||
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(value_ == "no"))
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*bool_ = false;
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else
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return -EINVAL;
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return 0;
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}
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int
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from(const std::string &value_,
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int *int_)
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{
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int tmp;
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char *endptr;
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errno = 0;
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tmp = ::strtol(value_.c_str(),&endptr,10);
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if(errno != 0)
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return -EINVAL;
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if(endptr == value_.c_str())
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return -EINVAL;
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*int_ = tmp;
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return 0;
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}
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int
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from(const std::string &value_,
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uint64_t *uint64_)
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{
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char *endptr;
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uint64_t tmp;
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tmp = ::strtoll(value_.c_str(),&endptr,10);
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switch(*endptr)
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{
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case 'k':
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case 'K':
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tmp *= 1024ULL;
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break;
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case 'm':
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case 'M':
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tmp *= (1024ULL * 1024ULL);
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break;
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case 'g':
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case 'G':
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tmp *= (1024ULL * 1024ULL * 1024ULL);
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break;
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case 't':
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case 'T':
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tmp *= (1024ULL * 1024ULL * 1024ULL * 1024ULL);
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break;
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case '\0':
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break;
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default:
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return -EINVAL;
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}
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*uint64_ = tmp;
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return 0;
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}
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int
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from(const std::string &value_,
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std::string *str_)
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{
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*str_ = value_;
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return 0;
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}
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int
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from(const std::string &value_,
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const std::string *key_)
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{
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return -EINVAL;
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}
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}
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