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60 lines
1.4 KiB
60 lines
1.4 KiB
/*
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Copyright (c) 2016, 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 <stdint.h>
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#include <stdlib.h>
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#include <string>
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namespace num
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{
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int
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to_uint64_t(const std::string &str,
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uint64_t &value)
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{
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char *endptr;
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uint64_t tmp;
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tmp = strtoll(str.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 *= 1024;
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break;
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case 'm':
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case 'M':
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tmp *= (1024 * 1024);
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break;
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case 'g':
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case 'G':
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tmp *= (1024 * 1024 * 1024);
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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 -1;
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}
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value = tmp;
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return 0;
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}
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}
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